Relevant bibliographies by topics / Diamond drilling

Academic literature on the topic 'Diamond drilling'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Diamond drilling"

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RATOV, B. T., B. V. FEDOROV, A. M. ISONKIN, S. T. ZAKENOV, and B. R. BORASH. "MODERN DESIGNS OF DIAMOND DRILLING TOOLS FOR WELL DRILLING." Neft i Gaz, no. 2 (April 15, 2022): 92–102. http://dx.doi.org/10.37878/2708-0080/2022-2.08.

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The article presents the results of research on the creation of drill bits with high durability and sufficient productivity when drilling hard rocks. Four areas of research have been identified to solve this problem: the crown must be multilayer, the profile of the diamond-bearing layers must represent annular conical protrusions and cavities; diamond layers should be separated by diamond-free layers of lower hardness and experience uniform specific pressure during operation; the design of the bit should take into account the peculiarities of the rock destruction mechanism under the action of diamond grains; the manufacturing technology of the crown matrix must be perfect. Only defect-free diamonds obtained by sorting with special methods are involved in the creation of the matrix; Adding CrB2 or VN nanopowders to the composition of the charge makes it possible to improve the quality of the matrix structure, all tribiological and operational properties, and due to the preliminary metallization of high-strength synthetic diamonds, a transition zone “diamond-coating-matrix material” is created, which will significantly increase the wear resistance of diamond rock cutting tools. The mentioned problems have been partially solved: a multilayer impregnated bit with a ridged profile of diamond-bearing layers and a uniform specific pressure on the latter during drilling has been created and put into production, laboratory studies have been carried out to improve the quality of composite materials with positive results, further research is being carried out in all other areas.
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Gao, Chao, Jun Tang Yuan, Hao Jin, and Zhong Quan Song. "Wear Characteristics of Impregnated Diamond Bit in Drilling Armor Ceramic." Advanced Materials Research 179-180 (January 2011): 1150–55. http://dx.doi.org/10.4028/www.scientific.net/amr.179-180.1150.

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This paper describes the wear characteristics of impregnated diamond bits when drilling in Al2O3 armor ceramic. With different bits being developed, drilling experiments and scanning electron microscope (SEM) examinations were conducted, and the results show that diamond wear types consist of complete crystal shape, micro fragmentation, whole fragmentation, wearing flat and falling off of diamond; abrasive wear, impact abrasion and erosion exist in the wear of diamond and bond; diamond grain size and concentration have their optimal value under fixed machining conditions; diamonds of high quality could increase bit drilling efficiency and serving life; the bit whose abrasion rate of bond matches that of diamonds presents the best comprehensive properties.
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Tsysar, Maksym, Sergey Ivakhnenko, Anatoliy Zakora, Galina Ilnitska, Oleg Zanevsky, and Eugenia Zakora. "Dependence of static strength of large single crystals of synthetic diamond type and Ib octahedral habit after heat treatment on their size." Mechanics and Advanced Technologies 5, no. 2 (November 9, 2021): 177–82. http://dx.doi.org/10.20535/2521-1943.2021.5.2.233077.

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This article focuses on the problem of using large single crystals of type Ib synthetic diamond in single crystal and drilling tools. According to the literature review for the use of large diamonds in drilling equipment relevant conditions. The is shown possible negative effects of the temperature load on the diamond single crystal. The is presented developed technique for estimating the static strength of large diamond single crystals. It has been shown that microcrystals in the form of octahedra and cubes are formed as a result of heat treatment on the surface of synthetic diamond single crystals. The results of studies of the strength of large single crystals of synthetic diamonds of millimeter size are shown. In contrast to the classical approach, when IIb crystals are used for the production of drilling equipment, we present Ib crystals because they are closer to natural diamond in terms of physical and mechanical properties. The static strength criterion was used to assess the strength. It has been shown that crystals with a size of 1000 ... 1100 μm have a higher value of static strength than crystals with a size of 1200 μm and larger.
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Tsysar, Maksym, Anatolii Zakora, Anton Babak, Serhiy Ivakhnenko, Oleg Zanevskii, Halyna Ilnitska, and Ievgeniia Zakora. "DEPENDENCE FOR SYNTHETIC DIAMOND LARGE CRYSTALS TYPE Ib OF OCTAHEDRAL HABITUS ON THEIR SIZE AFTER CHEMICAL-THERMAL PROCESSING OF STATIC STRENGTH." Technical Sciences and Technologies, no. 4(26) (2021): 43–49. http://dx.doi.org/10.25140/2411-5363-2021-4(26)-43-49.

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The use of large single crystals of diamond, grown by HP-HT with the latest technologies in drilling tools, can improve the productivity of the drilling process, increase the penetration rate, reduce wear of the main matrix, and provide a safe working environment when drilling solid rocks.For an informed choice or design of the working part of the drilling equipment, an analysis of the functional purpose is important.The main role here is played by the factor of complexity of geodetic conditions: the angle of drilling, fracture toughness and class of rocks, their changes with the depth of drilling.Analysis of studies and publications on functional analysis showed that diamonds should not only have high hardness and static strength, they should have a high value of thermal strength and chemical resistance, which will allow them to be used with sufficient efficiency when developing wells in difficult geological conditions. However, the main indicator of the suitability of such single crystals is still strength. It has been experimentally proven that the main type of diamond wear during drilling is partial or complete chipping of the protruding part of the crystals. Thus,the bits are equipped with harder diamonds, they will allow to process harder rocks without chips, reduce wear of the matrix itself, provide higher drilling speeds alongwith a decrease in energy consumption and consumption of consumables, for example, drilling mud.The purpose of the article is to analyze the effect of chemical-thermal exposure, as an integral part of the technological process of manufacturing drill bits, on the tensile strength of synthetic diamonds of octahedral habit type Ib obtained by HP-HT technology.Based on the data obtained experimentally, the work shows the suitability of synthetic diamonds as part of a functional cutting tool for drilling and geological exploration. The optimal size of crystals was determined, at which a sufficient level of strength is provided. The falling dependence of the strength on the edge length of the investigated diamond single crystals is graphically demonstrated.For the first time, the paper presents a study of the effect of chemical-thermal treatment as part of the technological process of manufacturing a drilling tool on the strength of non-magnetic single crystals of synthetic diamond type Ib. The presented materials can be used for a reasonable choice or design of drill bits impregnated with largesingle crystals for drilling and geological exploration.
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Han, Xiaoming, Qiangqiang Zhang, Shifeng Wang, Jialiang Li, and Detuo Chen. "Influence of polycrystalline diamond compact bit geometric parameters on drilling performance during gas drainage borehole in soft coal seam." Advances in Mechanical Engineering 10, no. 1 (January 2018): 168781401775066. http://dx.doi.org/10.1177/1687814017750667.

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Polycrystalline diamond compact bit is the main rock-breaking tool of gas drainage borehole. In order to investigate the influence of geometric parameters of polycrystalline diamond bit on its drilling performance, the integrated force model of polycrystalline diamond bit pressed into rock was established. The stress analysis results show that the tooth rake angle, pressing depth, and horizontal tangential displacement are the main factors to influence the normal load and the axial load of polycrystalline diamond bit. There is an optimal tooth rake angle value of polycrystalline diamond bit cutter when it is used in the soft coal seam. The drilling experiment system was built to verify the drilling performance of drill bits with different geometric structure and different tooth rake angle through drilling the soft coal wall. The experiment results show that the drilling torque and feeding resistance of polycrystalline diamond bit are higher than that of the wing bit at the beginning of drilling the soft coal wall. With the increase in the drilling depth, the feeding resistance of wing bit will increase to exceed that of the polycrystalline diamond bit. So the polycrystalline diamond bits should be selected to drill the gas drainage borehole in soft coal seam. The polycrystalline diamond bit with bigger tooth rake angle cannot cut and break the coal rock effectively, which will reduce the drilling efficiency and the feeding speed. When the tooth rake angle is smaller, polycrystalline diamond bit cannot cut in coal wall effectively, which will increase the feeding resistance. So the polycrystalline diamond bit with tooth rake angle of 15°–20° is suitable for the gas drainage borehole in soft coal seam. With the increase in the rotary speed of polycrystalline diamond bit, the cutting thickness of coal rock decreases and the horizontal tangential displacement increases. When the rotary speed of polycrystalline diamond bit is 290 r/min, the mean drilling torque and mean feeding resistance of polycrystalline diamond bit reach the minimum. Therefore, in order to reach the optimum drilling performance, the working parameters of low drilling pressure and high rotary speed are usually selected during the actual gas drainage borehole in soft coal seam.
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Wang, Chuanliu. "Bionic design and test of polycrystalline diamond compact bit for hard rock drilling in coal mine." Advances in Mechanical Engineering 12, no. 5 (May 2020): 168781402092318. http://dx.doi.org/10.1177/1687814020923180.

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For hard rock drilling in coal mine, the drilling efficiency and service life of polycrystalline diamond compact bit are very low. To overcome these shortcomings, the bionic technology is applied to the design and processing of polycrystalline diamond compact bit. The bit body and polycrystalline diamond compact cutter are designed as bionic structures, and the test of the bionic polycrystalline diamond compact bit is carried out. Test results show that, when drilling in fine sandstone with hardness greater than 9, the performance of the bionic polycrystalline diamond compact bit is significantly improved. Comparing with the Φ113-mm concave polycrystalline diamond compact bit, the service life and drilling efficiency of the A-type bionic polycrystalline diamond compact bit increase by 54% and 230%, respectively, the service life and drilling efficiency of the B-type bionic polycrystalline diamond compact bit increase by 345% and 204%, respectively, which show that the bionic design of polycrystalline diamond compact bit can provide a new research idea for hard rock drilling in coal mine. Also the test results indicate that, when processing the bionic polycrystalline diamond compact cutter, the linear cutting process will cause thermal damage to the diamond layer of polycrystalline diamond compact cutter, while the cold grinding process shows higher comprehensive performance, therefore the one-time synthesis of bionic polycrystalline diamond compact cutter is the future research direction.
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Xiao, Bing, Hong Jun Xu, Hong Hua Su, Yu Can Fu, and Jiu Hua Xu. "Machining Performance on Multi-Layer Brazed Diamond Tools." Key Engineering Materials 416 (September 2009): 598–602. http://dx.doi.org/10.4028/www.scientific.net/kem.416.598.

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An attempt has been made to investigate the new generational manufacturing technology for multi-layer diamond tools by brazing. A kind of new multi-layer brazed diamond core drills with random grains distribution was made by mixing diamond particles with brazing alloy powders. And a preliminary machining performance experiment was carried out through drilling granite. The testing results show the typical topography of the multi-layer brazed diamond core drills after drilling granite, just like that of multi-layer sintered ones, is that diamond grits drag long tails. Different from multi-layer sintered diamond core drills, no grit pull-outs can be seen during the whole drilling process because of chemical metallurgical effect between diamond grit and brazing alloy, the same as monolayer brazed diamond core drills. The main drawback to this kind of multi-layer brazed diamond tools is each individual particle is not subjected to the same drilling force throughout the drilling operation because of random grain distribution. This leads to premature fracture of the leading particles. Similarly, because large gaps between particles exist, the bond is being exposed to the workpiece, which leads to erosion of the bond. The overall performance is lower tool lives and slower drilling speeds. Therefore, ideally, diamond particles should be evenly distributed throughout the bond, which means they are all subject to the same drilling forces and the multi-layer brazed diamond tool is operated at its optimum efficiency.
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Yang, Jun De, Zhong Ping Luo, Fan Lu, and Yuan Wang. "Research on Embedding Strength of Diamond." Key Engineering Materials 480-481 (June 2011): 560–67. http://dx.doi.org/10.4028/www.scientific.net/kem.480-481.560.

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It is stated that Diamond saw blades requires high embedding strength of the diamond, while diamond drill bits do not. It is necessary to improve the embedding strength of diamond in diamond saw blades, rather than in the diamond drilling bits. It is recommended to count the number of diamond particles on the matrix surface and get the embedding strength of diamond by calculation. Another recommendation is to use the compound powder of cobalt and tungsten carbide for pelletizing in order to improve the embedding strength of diamond and lower the cost of matrix. There are people studying how to raise embedding strength of diamond, for both diamond saw blades and diamond drilling bit. However, the requirements for embedding strength of diamond saw blades and diamond drilling bit are different. The following parts include the analysis for this problem.
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Tang, Qiongqiong, Wei Guo, Ke Gao, Rongfeng Gao, Yan Zhao, Yang Sun, and Yu Zhou. "Design and test of a self-adaptive bionic polycrystalline diamond compact bit inspired by cat claw." Advances in Mechanical Engineering 10, no. 11 (November 2018): 168781401881024. http://dx.doi.org/10.1177/1687814018810249.

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Cats protract claws while hunting or pawing on the ground and retract to muscles when relaxing. Inspired by this behavior, and in order to solve the problem of short service life and low comprehensive drilling efficiency of polycrystalline diamond compact bits which results from its poor adaptability to soft-hard interbedded strata, a self-adaptive bionic polycrystalline diamond compact bit was designed, which can use the elastic element to adjust its back-rake angle according to the formation hardness to improve the adaptability of polycrystalline diamond compact bits. Theoretical analysis and drilling test results show that the self-adaptive bionic polycrystalline diamond compact bit has a strong adaptability to soft-hard interbedded rock strata. When drilling in soft rock, the back-rake angle is small and the rate of penetration is high; when drilling in hard rock, the angle becomes larger to reduce the abnormal damage of cutters. Thus, it can improve the integrated drilling efficiency and service life of polycrystalline diamond compact bits. In the whole drilling test, the average penetration rate of the self-adaptive bionic polycrystalline diamond compact bit increases by 10%–13% over conventional polycrystalline diamond compact bits with the same dimension and material.
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Chen, Shun Tong, Zong Han Jiang, Yi Ying Wu, and Hong Ye Yang. "Development of a Reverse Micro EDM-Drilling for Holing Diamond-Tool." Advanced Materials Research 126-128 (August 2010): 802–7. http://dx.doi.org/10.4028/www.scientific.net/amr.126-128.802.

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This study presents the development of a drilling technique for an innovative tabletop drilling machine that combines micro-EDM with drilling to fabricate micro-holes in diamond-tool. The mechanisms designs of double V-shaped bearings and double spindles which provide a precision clamping and vertical alignment for diamond-tool and micro-tube are devised to enable to machine a co-centric micro-hole for micro-tool. A diamond-tool, made with copper-based sintered alloy, is drilled by using the developed technique of co-centric micro-hole EDM-drilling into a hollow shaft which can create equilibrium of drilling forces, prevent a drilling squeezing to be occurred and enable to offer a temporary storing space for drilling chips. Relative experiments including the determinations of drilling ratio and discharge capacitance are carried out via this established machine. Experimental results show that excellent geometric and dimensional accuracy of micro-holes on the diamond-tool can be achieved.
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Dissertations / Theses on the topic "Diamond drilling"

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Miller, Duncan Edmund. "Rock Drilling with impregnated diamond microbits." Thesis, University of Cape Town, 1986. http://hdl.handle.net/11427/4962.

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A fully instrumented laboratory drilling rig was designed and used to drill a variety of rock types with impregnated diamond microbits. The rocks, selected to represent a wide range of properties, were characterised by optical petrography and by the measurement of uniaxial compressive strength and relative abrasion resistance. A computer controlled electronic data logging system was used to record the power consumption, the rotational velocity, the bit thrust, the torque and the penetration rate. Tests were conducted under set thrust and under set rate of advance conditions to determine the effect of varying the bit pressure, rotational velocity, diamond mesh size and concentration, and rock type on the dependent drilling variables of diamond wear, bit wear, rock fracture, torque, power consumption, penetration rate and reactive load. The drilling efficiency was monitored by calculating the specific energy of drilling from the power consumption corrected for the power losses in the machine and from the generated torque, the latter being more sensitive. The diamond wear on a used bit was evaluated under the optical microscope by classifying each exposed stone into one of ten wear categories. The rock fracture was evaluated by scanning electron microscopy of the drilled surfaces, and by particle size distribution analysis of the drilling detritus. On the basis of the results a performance model for impregnated diamond bit drilling was formulated in which a critical stress threshold per actively drilling diamond must be exceeded for steady drilling to take place with any specific combination of bit and rock type. The optimum drilling thrust at which the specific energy is at a minimum and the penetration rate at a maximum for a given rock and bit configuration, occurs marginally above the thrust required for all the exposed diamonds to be in contact with the rock. The effective bit pressure and the rock type characteristics are crucial determinants for diamond wear type development and hence for the drilling performance within the operating range. The transition from suboptimal to optimal drilling conditions has been described in terms of the characteristic diamond wear, the specific energy, and the coefficient of friction between the bit and the rock. The mechanism of diamond wear and rock fracture are discussed with reference to the results of the optical and (ii)) scanning electron microscopy of worn diamonds and the rock detritus. It is concluded that a variety of rock properties affects the drilling performance, sometimes unpredictably and that the realistic drilling of any specific rock is necessary to determine its resistance to drilling. The necessary approach is demonstrated in detail for a single rock type, norite, for which it is shown the transition takes place at a pressure of approximately 400 MPa per actively drilling stone irrespective of the diamond size or concentration. A discussion of rock drillability testing demonstrates that experimental drilling with microbits has a valid role in the realistic evaluation of drillability and in the study of the complex fracture and wear mechanisms that must be understood for the application and rational design of appropriate bits.
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Ambrose, D. "Diamond core bit performance analysis." Thesis, University of Nottingham, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.378761.

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Guzeloglu, Levent. "Database Development For Diamond Core Drilling Bit Selection Using Field." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12606986/index.pdf.

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Drilling bit optimization is one the key concepts in drilling engineering.It is considered as one f the economical factors in an overall well budget.Computers are strictly used as decision-making systems in the optimization calculations.Formation parameters are easily processed according to drilling bit selection criteria by the help of computer programs.Although computer program is an interface by which user makes computer some jobs,database is another important part of this necessary decision-making systems.Data is stored and can be modified in the database.Also necessary calculations can be accomplished by database so that results of these calculations and data can be reached by the computer programs.In this study,a database,holding field data is designed and a computer program calculating necessary parameters and related excel file holding output are prepared.Although mostly lowest costper foot is preferred and there isn'
t an absolute method for choosing optimum bit,this design can be helpful in selection period.
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Mostofi, Masood. "Drilling response of impregnated diamond bits: modelling and experimental investigations." Thesis, Curtin University, 2014. http://hdl.handle.net/20.500.11937/1297.

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The research aims to develop bit/rock interaction models for Impregnated Diamond (ID) bits. An experimental approach is used to study the dominant cutting and wear processes governing the bit/rock interface. The developed models are used to investigate the effects of the bit and rock properties as well as operating conditions on the drilling response. Furthermore, a field case study is performed, at which the drilling data is analysed using the framework of the model.
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Ersoy, A. "Performance analysis of polycrystalline diamond compact (PDC) core bits in rocks." Thesis, University of Nottingham, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309552.

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Chan, Hing Hao. "A Method to Derive Rock Strength from the Drilling Response of Impregnated Diamond Bit." Thesis, Curtin University, 2022. http://hdl.handle.net/20.500.11937/88824.

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This research investigates the effect of rock strength on force responses associated with impregnated diamond drilling. The investigation involved coring activities ran on a well-engineered laboratory-scale drilling rig, drilling a collective amount of rock samples using industry graded bit. The experimentation came upon a particular rock-related parameter under the framework of a drilling model that demonstrates a robust linear relationship with rock strength. The investigation leads to estimate uniaxial compressive strength from drilling data.
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Aborass, Marwa A. EL-Mehde. "Effect of diamond-like carbon coating on implant drill wear during implant site preparation." University of the Western Cape, 2017. http://hdl.handle.net/11394/6306.

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Magister Chirurgiae Dentium
Dental implants are artificial fixtures that are surgically inserted into the jaws to replace missing teeth. The success of dental implant treatment is dependent on achieving successful osseointegration (Branemark et al. 2001). Drills used for implant site preparation are made of different materials such as stainless steel (SS), zirconia and ceramic. Most of them do not have sufficient cutting efficiency and wear resistance (Oliveira et al. 2012). Recently diamond-like carbon coating (DLC) has been added as a drill coating to increase the cutting efficiency, increase wear resistance and drill hardness (Batista Mends et al. 2014).
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Ellis, Cameron B. "Tribopairs in Wellbore Drilling: A Study of PCD Tilting Pad Bearings in an Electric Submersible Pump." BYU ScholarsArchive, 2017. https://scholarsarchive.byu.edu/etd/7233.

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A polycrystalline diamond was tested as a bearing material for a tilting pad thrust bearing to be used in an electric submersible pump, which elevates process fluids from the bottom of well bores. The goal of this study was to compare the PCD to a current best of technology, which is stainless steel with an engineering polymer.This study found that PCD can handle larger loads than current technology but is limited in size due to diamond sintering and manufacturing constraints. The maximum size is Ø75mm.
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Супрун, М. В. "Підвищення роботоздатності алмазних бурових коронок в твердих породах." Thesis, Івано-Франківський національний технічний університет нафти і газу, 2016. http://elar.nung.edu.ua/handle/123456789/4864.

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Дисертація присвячена питанням підвищення роботоздатності алмазних бурових коронок з комбінованою матрицею при бурінні геологорозвідувальних свердловин у твердих породах за допомогою нового надтвердого матеріалу - гібридайт. Проведений аналіз літературних джерел показав, що найбільш ефективним інструментом для буріння твердих гірських порід на даний час є інструмент з комбінованою матрицею, оснащеною як синтетичними монокристалами алмазу так і полікристалічними матеріалами водночас. Охарактеризовано існуючі надтверді матеріали, які використовуються при оснащенні бурових коронок з комбінованою матрицею. Уперше створена математична модель процесу еволюції робочого профілю та з використанням розрахунку контактного тиску на поверхні алмазної коронки з комбінованою матрицею в процесі буріння геологорозвідувальних свердловин. Проведено в лабораторних умовах, за допомогою розроблених та удосконалених методик, порівняльні дослідження з взаємодії породоруйнівних вставок з гірською породою, та їх вплив на характер руйнування твердих гірських порід, а також досліджено вплив схеми оснащення робочого торця бурової коронки поро-доруйнівними вставками з гібридайту на роботоздатність алмазної бурової коронки з комбінованою матрицею. Вперше встановлено, що при руйнуванні твердих гірських порід вставками з гібридайту очевидний характер руйнування породи, притаманний сколюванню. Розроблені та передані до впровадження підприємству ДП «Центрукргеологія» для буріння геологорозвідувальних свердловин у твердих породах, комбіновані бурові коронки типу БТ-22, які оснащені синтетичними алмазами та породоруй-нівними вставками з гібридайту й мають високу механічну швидкість буріння і підвищену проходку в порівнянні із серійними коронками.
Диссертация посвящена вопросам повышения работоспособности алмазных буровых коронок с комбинированной матрицей при бурении геологоразведочных скважин в твердых породах с помощью нового сверхтвердого материала - гибридайт. Проведенный анализ литературных источников показал, что наиболее эффективным инструментом для бурения твердых горных пород в настоящее время является инструмент с комбинированной матрицей, оснащенной как синтетическими монокристаллами алмаза, так и поликристаллическими материалами одновременно. Обзор существующих сверхтвердых материалов, которые используются при оснащении буровых коронок с комбинированной матрицей, показал, что наиболее перспективным поликристаллическим сверхтвердым материалом является гибридайт. Разработана методика испытаний породоразрушающих вставок на износостойкость при разрушении различных горных пород, и усовершенствована методика изучения шероховатости поверхности забоя, сформированного при алмазном бурении, с помощью аналого-цифрового преобразователя и специально разработанной программы расчета параметров микропрофиля поверхности. Предложен новый подход к оценке распределения контактного давления по рабочей поверхности буровой коронки, основанный на численном анализе модельной контактной краевой задачи механики деформируемого твердого тела и учитывающий не только кинематику процесса бурения, но и специфику контактного взаимодействия инструмента с породой. С помощью численного моделирования рассчитаны значения интенсивности износа рабочей поверхности буровой коронки, достаточно близкие к наблюдаемым на практике результатам, что является убедительным аргументом в пользу адекватности предложенной математической модели и надежности представленных числовых данных. Проведена оценка износостойкости буровой коронки с армирующими породоразрушающего вставками, исследовано влияние их расположения на рабочий поверхности коронки. Получено уравнение для определения эффективного коэффициента износа рабочей поверхности коронки в зависимости от способа его армирования породоразрушающими вставками. Впервые предложена математическая модель эволюции рабочего профиля буровой коронки, которую можно использовать для оптимизации конструкции комбинированной матрицы, включая выбор профиля, оснащенность и применение породоразрушающих вставок с разной износостойкостью. Проведены в лабораторных условиях сравнительные исследования по взаимодействию породоразрушающих вставок с горными породами, и их влияние на характер разрушения твердых горных пород, а также исследовано влияние схемы оснащения рабочего торца буровой коронки породоразрушающими вставками из гибридайта на износостойкость и механическую скорость бурения. Впервые установлено, что использование породоразрушающих вставок из гибридайта в комбинированной матрице буровой коронки приводит к повышению износостойкости инструмента и увеличению механической скорости в процессе бурения твердых горных пород. Также было установлено, что в процессе работы вставок из гибридайта наблюдается эффект «самозатачивания», вследствие чего при бурении геологоразведочных скважин такой вставкой очевиден характер разрушения породы, присущий скалыванию, а именно с отделением от массива более крупных частиц шлама. Приведены результаты исследования влияния схемы оснащения рабочего торца вставками гибридайта на эффективность бурения твердых горных пород импрегни-рованными коронками. Установлено, что оснащение калибрующей части импрегни-рованной коронки вставками гибридайта способствует устранению ее аномального износа, а также приводит к повышению эффективности и механической скорости бурения крепких горных пород. Разработаны и переданы к внедрению на предприятии ГП «Центрукргеология» для бурения геологоразведочных скважин в твердых породах комбинированные буровые коронки типа БТ-22, которые оснащены синтетическими алмазами и породоразрушающими вставками из гибридайта и имеют повышенную работоспособность в сравнении с серийными коронками типа БС-06.
Thesis is devoted to improve efficiency of diamond drilling bits with a combined matrix while drilling exploration wells in hard rock with the help of the new superhard material - gibridayt. The analysis of the literature has shown that the most effective tool for drilling hard rock is now a tool with a combined matrix, equipped with both a synthetic diamond single crystal and polycrystalline materials at the same time. We characterize the existing superhard materials, which are used for equipping the drill bits with a combined matrix. For the first time a mathematical model of the process of evolution of the working surface of the combined drilling bit with using the calculation of contact pressure on the surface of the combined drilling bit has been created, which is based on the numerical analysis of the model of contact boundary value problem of solid and provides account for not only the kinematics of the drilling process, but also particularities of the contact interaction tool with rock. The comparative studies, having been conducted in lab environment, on the interaction of rock-breaking inserts with subsurface rocks, and their influence on the character of destruction of solid rocks, and also the influence of the circuit equipping the working end of the drilling bit of rock-breaking inserts gibridayt on resistance to abrasion and ROP has been explored. It has also been found out that the inserts from gibridayt an effect of «self-sharpening» is being observed during the operation, as a result of drilling exploration wells by using such insert the character of rock destruction is obvious, in particular the separation of larger solid particles of the slurry. Combined drilling bits such as BT-22 which are equipped with synthetic diamonds and rock-breaking inserts from gibridayt and have increasing efficiency comparing with serial bits has been developed and transferred for implementation at the enterprise «Centrukrgeologiya».
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10

Мартинюк, Д. М. "Вдосконалення породоруйнівних інструментів різальної дії для буріння похило-скерованих і горизонтальних свердловин." Thesis, Івано-Франківський національний технічний університет нафти і газу, 2007. http://elar.nung.edu.ua/handle/123456789/4194.

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Abstract:
Дисертацію присвячено розробці породоруйнівних інструментів різальної дії, оснащених полікристалічними алмазними різцями, для буріння вибійними двигунами похило-скерованих та горизонтальних свердловин. Основні положення дисертації опубліковані 13 наукових працях. В результаті аналітичних і промислових досліджень визначено, що для покращення техніко-економічних показників будівництва похило-скерованих та горизонтальних нафтогазових свердловин з використанням вибійних двигунів, необхідне створення породоруйнівних інструментів різальної дії пониженої енергоємності буріння. На основі теоретичних і експериментальних досліджень бурових доліт різальної дії встановлені залежності енергетичних параметрів їх роботи від форми профілю та кількості лопатей, які дозволяють запропонувати найбільш раціональні конструкції робочої частини породоруйнівних інструментів для заданих умов буріння похило-скерованих та горизонтальних свердловин. Розроблено математичну модель і експериментально визначено емпіричні коефіцієнти для розрахунків прогнозних енергетичних параметрів роботи породоруйнівних інструментів різальної дії з різними формами робочої частини. Успішно випробувано й впроваджено при будівництві вибійними двигунами похило-скерованих та горизонтальних свердловин дві конструкції бурових доліт і чотири конструкції бурильних головок з запропонованим для заданих умов буріння найменш енергоємним профілем різальної частини.
Диссертация посвящена разработке породоразрушающих инструментов режущего действия, оснащенных поликристаллическими алмазными резцами, для бурения забойными двигателями наклонно-направленных и горизонтальных скважин. Основные положения диссертации опубликованы в 13 научных работах. В результате аналитических и промысловых исследований определено, что для улучшения технико-экономических показателей строительства наклонно-направленных и горизонтальных скважин с использованием забойных двигателей, необходимо создание породоразрушающих инструментов режущего действия пониженной энергоемкости бурения. Не смотря на то, что технико-экономические показатели работы породоразрушающих инструментов, оснащенных ПАР, превышают показатели шарошечных конструкций, сфера применения долот режущего действия в направленном бурении ограничена из-за осложнений, которые возникают при их использовании с забойными двигателями и попытках оперативного управления траекторией скважины. Связаны они с повышенным рабочим крутящим моментом, который резко изменяется в широком диапазоне даже при незначительных колебаниях осевой нагрузки при бурении чередующихся по прочности горных пород. Это приводит к проворачиванию забойного двигателя, или его остановке, что делает невозможным текущее управление траекторией бурения и существенным образом снижает технико-экономические показатели проходки. Поэтому, на момент постановки данных исследований, в направленном бурении традиционными технико-технологическими средствами большинство работ, которые связаны с набором угла, исправлениями траектории скважины, проведением наклонных и горизонтальных стволов, осуществляются с использованием шарошечных долот. Теоретически исследовано конструкции режущей части долота с пониженной энергоемкостью разрушения горных пород. Разработаны технические средства и методика проведения экспериментов. Проведены экспериментальные стендовые исследования долот с разными формами лопастей: плоской, обратно-конусной, эллиптической и круглоступенчатой. Определение показателей работы долот с исследуемыми профилями режущей части проводили в два этапа: на первом использовали в качестве забоя мрамор «коелга», на втором -цементные блоки. При проведении экспериментов осуществляли ступенчатое изменение параметров режима бурения, величины которых составляли: осевая нагрузка - 15; 20; 25; 30 кН; угловая скорость вращения долота - 1; 2; 3; 4 с-1. На основе теоретических и экспериментальных исследований буровых долот режущего действия установлены зависимости энергетических параметров их работы от формы профиля и количества лопастей, которые позволили предложить наиболее рациональные конструкции рабочей части породоразрушающих инструментов для заданных условий бурения наклоннонаправленных и горизонтальных скважин. Предложено круглоступенчатую форму профиля режущей части долота, в которой с целью уменьшения энергоемкости работы расстояние от оси вращения инструмента до точек соединения криволинейных сегментов меньше их наибольших радиусов. Соответствующая конструкция долота защищена авторским свидетельством на изобретение №1783108, а ее эффективность подтверждена экспериментальными и промысловыми исследованиями. Экспериментальными исследованиями установлено, что изменение количества лопастей незначительно влияет на энергоемкость работы породоразрушающих инструментов режущего действия. Следовательно, для бурения горных пород разной твердости целесообразно разрабатывать долота с числом лопастей, которое определяется фактором необходимой износостойкости. Разработана математическая модель и экспериментально определены эмпирические коэффициенты для расчетов прогнозных энергетических параметров работы породоразрушающих инструментов режущего действия с различными формами рабочей части. Предложена форма рабочей поверхности бурового долота, в которой для уменьшения энергоемкости бурения режущая часть выполнена в виде криволинейных сегментов, которые у соседних лопастей расположены на разных расстояниях от торца, и обратных клиньев с вершинами на оси вращения инструмента. Указанная форма долота защищена патентами Украины №3846 и Российской Федерации №42571. Изготовление опытных образцов и партий породоразрушающих инструментов с пониженной энергоемкостью бурения (четырех конструкций буровых долот и пяти - бурильных головок) организованно и осуществлено на Экспериментальном заводе Института сверхтвердых материалов им. В.М. Бакуля НАН Украины. Промысловые испытания и внедрение разработанных породоразрушающих инструментов осуществляли на нефтегазовых месторождениях ОАО «Укрнефть» и ОАО «Татнефть». Успешно испытано и внедрено при строительстве наклонно-направленных и горизонтальных скважин две конструкции буровых долот и четыре конструкции бурильных головок с предложенной для заданных условий бурения наименее энергоемкой формой режущей части.
The dissertation is devoted to development of PDC (polyciystalline diamond compact) bits for drilling of directional and horizontal wells. There are 13 scientific works, which contain main results of researches. Analytical researches and field tests indicate a necessity of PDC bit designs for overall economics improvement of drilling directional and horizontal wells with a downhole motor application. Development of the fixed cutter bit designs with low energy consumption is necessary. On the basis of theoretical and experimental researches are found the relations between drilling energy parameters and fixed cutter bit designs (profile and quantity of blades). That helps to design PDC bits for drilling directional and horizontal wells pursuant to given conditions. The mathematical model for energy parameter calculations of a PDC bit activity is improved. Experimentally trial-and-error factors for different form of PDC bits are determined. Two PDC bit designs and four core bit designs with low energy consumption at drilling by downhole motors of directional and horizontal wells were successfully tested and introduced.
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Books on the topic "Diamond drilling"

1

Heinz, W. F. Diamond drilling handbook. 2nd ed. Kyalami: Heinz, 1989.

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Lane, Alfred C. Diamond drilling at Point Mamainse, province of Ontario. Ottawa: Govt. Print. Bureau, 1997.

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Sundae, Laxman S. Investigation of optimum thrust, cutting speed, and water pressure for tungsten carbide and polycrystalline diamond compact roof- bolt drill bits. [Washington, D.C.?]: U.S. Dept. of the Interior, Bureau of Mines, 1995.

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Prime, G. A diamond drilling program near the Amherst Market, investigating bedrock aggregate potential in the northwestern Cobequid Highlands, Nova Scotia. Halifax, N.S: Nova Scotia, Dept. of Natural Resources, 1994.

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Anyone for diamonds?: Memoirs of an American oil man in the Amazon Basin. Madera, Calif: Reflections Press, 1988.

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Heinz, W. F. Diamond Drilling Handbook. Routledge, 1992.

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Diamond drilling handbook. Beijing, China: Geological Publishing House, 1992.

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Diamond Drilling For Gold And Other Minerals. Merchant Books, 2007.

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Fulton, Joseph Edward. Dam Right!: Fred Lynch, Oscar Kendall & The Lynch Brothers Diamond Drilling Company. Originario Prouctions, 2014.

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Ltd, ICON Group. DIAMOND OFFSHORE DRILLING, INC.: Labor Productivity Benchmarks and International Gap Analysis (Labor Productivity Series). 2nd ed. Icon Group International, 2000.

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Book chapters on the topic "Diamond drilling"

1

Marjoribanks, Roger. "Diamond Drilling." In Geological Methods in Mineral Exploration and Mining, 99–136. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-74375-0_7.

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Müller, Christine H., Hendrik Dohme, Dennis Malcherczyk, Dirk Biermann, and Wolfgang Tillmann. "Detecting Diamond Breakouts of Diamond Impregnated Tools for Core Drilling of Concrete by Force Measurements." In Artificial Intelligence, Big Data and Data Science in Statistics, 283–300. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-07155-3_12.

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Karpat, Y., N. Camuşcu, A. Kılıç, F. Sonat, B. Değer, and O. Bahtiyar. "Drilling Carbon Fiber Reinforced Plastics with Diamond Coated Carbide Cutting Tools." In Proceedings of the 36th International MATADOR Conference, 205–8. London: Springer London, 2010. http://dx.doi.org/10.1007/978-1-84996-432-6_47.

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Huang, Hui, Chong Fa Huang, and Xi Peng Xu. "Force Characteristics in Drilling of Engineering Ceramic with a Brazed Diamond Tool." In Advances in Grinding and Abrasive Technology XIV, 153–57. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-459-6.153.

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Malevich, Nadja, Christine H. Müller, Michael Kansteiner, Dirk Biermann, Manuel Ferreira, and Wolfgang Tillmann. "Statistical Analysis of the Lifetime of Diamond-Impregnated Tools for Core Drilling of Concrete." In Studies in Classification, Data Analysis, and Knowledge Organization, 233–49. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-25147-5_15.

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"diamond drilling." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 372. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_41776.

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"blasthole diamond drilling." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 133. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_21864.

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"shothole diamond drilling." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 1224. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_193263.

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"diamond blasthole drilling." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 371. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_41762.

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"diamond core drilling." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 372. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_41767.

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Conference papers on the topic "Diamond drilling"

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Allamon, J. P. B., T. McKown, D. Hill, B. A. Brooks, B. B. Bayoud, and W. J. Winters. "Diamond Bit Handling and Operation." In SPE/IADC Drilling Conference. Society of Petroleum Engineers, 1987. http://dx.doi.org/10.2118/16144-ms.

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Jackson, R., J. McKinney, T. Rogers, and L. Smith. "New Technology Improves Natural Diamond Bit Performance." In SPE/IADC Drilling Conference. Society of Petroleum Engineers, 1991. http://dx.doi.org/10.2118/21932-ms.

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Jackson, Mark J., Waqar Ahmed, Robert Woodwards, and Htet Sein. "Wear of Dental Cutting Tools Coated With Nanocrystalline Diamond Coatings." In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-63922.

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Dental cutting tools have traditionally been made using resin-bonded diamonds that have a tendency to breakdown during drilling operations with the consequent loss of diamonds and resin binder into the patient’s mouth. Recent developments in chemical vapor deposition have made it possible to create binderless diamond cutting tools that are useful for machining and drilling enamel, dentine, amalgam, and cast alloys used for crowns and bridges. The paper compares newly developed tools with conventional tools that are used for orthodontic and maxillofacial operations. The reduction in wear using coated diamond tools is significant.
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Chou, Kevin, Raymond Thompson, Feng Qin, Dustin Nolen, and Chao Miao. "Nanostructured Diamond Coatings for Dry Drilling." In ASME/STLE 2009 International Joint Tribology Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/ijtc2009-15072.

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In this study, nanostructured diamond (NSD) films were grown, by microwave plasma assisted chemical vapor deposition (MP-CVD) technology, on WC-Co drills for performance enhancement in dry drilling of A390 alloys. Surface cobalt was removed by a well-controlled precision etching process. H2/CH4 gas mixture with a small amount of N2 was applied to produce NSD films. Moreover, slight hone was applied to the cutting edges prior to the NSD deposition to relieve residual stresses generated by thermal mismatch in depositions. The results show feasibility of dry drilling of A390 alloys by NSD coated drills, substantially outperforming carbide drills.
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Migulin, V. V., Victor G. Ralchenko, and Y. J. Baik. "Oxygen-assisted laser cutting and drilling of CVD diamond." In Lasers in Synthesis, Characterization, and Processing of Diamond, edited by Vitali I. Konov and Victor G. Ralchenko. SPIE, 1998. http://dx.doi.org/10.1117/12.328205.

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Bunting, Jeremy, and John Bunting. "Advances in Drilling with PCD (Polycrystalline Diamond)." In AeroTech. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2020. http://dx.doi.org/10.4271/2020-01-0035.

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Stoddard, J. "Thermally Stable Synthetic Diamond Drill Bit Proves Effective in Gulf Coast." In SPE/IADC Drilling Conference. Society of Petroleum Engineers, 1985. http://dx.doi.org/10.2118/13463-ms.

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Beaton, Tim, and Keith Johnson. "New Technology in Diamond Drill Bits Improves Performance in Variable Formations." In IADC/SPE Drilling Conference. Society of Petroleum Engineers, 2000. http://dx.doi.org/10.2118/59113-ms.

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Zhan, Guodong David, Bodong Li, Timothy Eric Moellendick, Duanwei He, and Jianhui Xu. "New Catalyst-Free Polycrystalline Diamond with Industry-Record Wear Resistance." In SPE Middle East Oil & Gas Show and Conference. SPE, 2021. http://dx.doi.org/10.2118/204855-ms.

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Abstract PDC drill bits are the primary drilling tools for oil and gas in most of formations. In a PDC drill bit, PDC cutters are key cutting components to engage with these formations. However, there is often a big challenge for today's PDC drill bits when drilling very hard and abrasive formation. The main weakness in the PDC cutter is due to the unavoidable use of metallic catalyst which is used to bond the diamond grains in the PDC cutters. The thermal expansion of the metallic catalysts resulting from high frictional heat at the cutter/rock interface during drilling operation is higher than that of diamond grains, causing the thermal stress between the metallic catalyst and diamond grain which can break the PDC cutter. Therefore, development of catalyst-free PDC cutters would be a game-changing technology for drill bit by delivering significant increase in performance, durability, and drilling economics. In this study, an innovative ultra-high pressure and ultra-high temperature technology was developed with ultra-high pressures up to 35 GPa, much higher than current PDC cutter technology. We report a new type of catalyst-free PDC cutting material, synthesized under one of conditions using ultra-high pressure of 16 GPa. The new material breaks all single-crystal-diamond indenters in Vickers hardness testing which sets a new world record as the hardest diamond material as of today. Also, the material shows the highest thermal stability in the family of diamonds in air at 1,200°C, which is about 600 °C higher than current PDC cutters. As a consequence of these superior properties, this new material exhibited industry-recorded wear resistance, which is four times of that of current PDC cutters. All of these achievements demonstrated a breakthrough in PDC cutter technology development and presented a feasibility for the goal of "One-Run-To-TD" game-changing drilling technology.
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Keshavan, M. K., M. A. Siracki, and M. E. Russell. "Diamond-Enhanced Insert: New Compositions and Shapes for Drilling Soft-to-Hard Formations." In SPE/IADC Drilling Conference. Society of Petroleum Engineers, 1993. http://dx.doi.org/10.2118/25737-ms.

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Reports on the topic "Diamond drilling"

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Robert Radtke. NEW HIGH STRENGTH AND FASTER DRILLING TSP DIAMOND CUTTERS. Office of Scientific and Technical Information (OSTI), January 2006. http://dx.doi.org/10.2172/894521.

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Robert Lee Cardenas. Protected Polycrystalline Diamond Compact Bits For Hard Rock Drilling. Office of Scientific and Technical Information (OSTI), October 2000. http://dx.doi.org/10.2172/821705.

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Arnis Judzis, Homer Robertson, and Alan Black. Smaller Footprint Drilling System for Deep and Hard Rock Environments; Feasibility of Ultra-High-Speed Diamond Drilling. Office of Scientific and Technical Information (OSTI), June 2006. http://dx.doi.org/10.2172/896991.

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Arnis Judzis, Alan Black, and Homer Robertson. Smaller Footprint Drilling System for Deep and Hard Rock Environments; Feasibility of Ultra-High-Speed Diamond Drilling. Office of Scientific and Technical Information (OSTI), March 2006. http://dx.doi.org/10.2172/879175.

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Alan Black and Arnis Judzis. SMALLER FOOTPRINT DRILLING SYSTEM FOR DEEP AND HARD ROCK ENVIRONMENTS; FEASIBILITY OF ULTRA-HIGH SPEED DIAMOND DRILLING. Office of Scientific and Technical Information (OSTI), October 2004. http://dx.doi.org/10.2172/835941.

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Alan Black and Arnis Judzis. SMALLER FOOTPRINT DRILLING SYSTEM FOR DEEP AND HARD ROCK ENVIRONMENTS; FEASIBILITY OF ULTRA-HIGH SPEED DIAMOND DRILLING. Office of Scientific and Technical Information (OSTI), October 2004. http://dx.doi.org/10.2172/839170.

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Glowka, D. A., and D. M. Schafer. Program plan for the development of advanced synthetic-diamond drill bits for hard-rock drilling. Office of Scientific and Technical Information (OSTI), September 1993. http://dx.doi.org/10.2172/10104670.

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David S. Pixton. Development and Testing of a Jet Assisted Polycrystalline Diamond Drilling Bit. Phase II Development Efforts. Office of Scientific and Technical Information (OSTI), September 1999. http://dx.doi.org/10.2172/755976.

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TerraTek. An Industry/DOE Program to Develop and Benchmark Advanced Diamond Product Drill Bits and HP/HT Drilling Fluids to Significantly Improve Rates of Penetration. Office of Scientific and Technical Information (OSTI), June 2007. http://dx.doi.org/10.2172/939089.

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Alan Black and Arnis Judzis. Optimization of Deep Drilling Performance - Development and Benchmark Testing of Advanced Diamond Product Drill Bits & HP/HT Fluids to Significantly Improve Rates of Penetration. Office of Scientific and Technical Information (OSTI), September 2005. http://dx.doi.org/10.2172/895493.

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