Academic literature on the topic 'Multimineral method'

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Journal articles on the topic "Multimineral method"

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Cheng, Liwei, Manika Prasad, Reinaldo J. Michelena, et al. "Using rock-physics models to validate rock composition from multimineral log analysis." GEOPHYSICS 87, no. 2 (2022): MR49—MR62. http://dx.doi.org/10.1190/geo2020-0918.1.

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Multimineral log analysis is a quantitative formation evaluation tool for geologic and petrophysical reservoir characterization. Rock composition can be estimated by solving equations that relate log measurements to the petrophysical endpoints of minerals and fluids. Due to errors in log data and uncertainties in petrophysical endpoints of constituents, we have used effective medium models from rock physics as additional independent information to validate or constrain the results. We examine the Voigt-Reuss (VR) bound model, self-consistent approximation (SCA), and differential effective medi
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Feng, Zhou, Xin-Tong Li, Hong-Liang Wu, Shou-Ji Xia, and Ying-Ming Liu. "Multimineral optimization processing method based on elemental capture spectroscopy logging." Applied Geophysics 11, no. 1 (2014): 41–49. http://dx.doi.org/10.1007/s11770-014-0419-3.

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Li, Xuejiao, Wensheng Wang, Zhiqing Zhu, and Kunkun Zheng. "Investigation on Durability Behaviour and Optimization of Concrete with Triple-Admixtures Subjected to Freeze-Thaw Cycles in Salt Solution." Advances in Materials Science and Engineering 2021 (February 9, 2021): 1–16. http://dx.doi.org/10.1155/2021/5572011.

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In the seasonal frozen area of northeast China, cement concrete is usually in a working environment of cold climate and chlorine erosion coupling effect. In general, with a reasonable addition of air entraining agent (AEA) and multimineral admixtures such as fly ash, blast furnace slag, and silica fume, the durability of cement concrete under the effects of freeze-thaw and salt solution can be significantly improved in cold regions. However, due to several more compositions of cement concrete with multiple mineral admixtures, it would take excessive trial mixtures to select the desired mixture
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Chen, Pei, Renata Atkinson, and Wayne R. Wolf. "Single-Laboratory Validation of a High-Performance Liquid Chromatographic-Diode Array Detector-Fluorescence Detector/Mass Spectrometric Method for Simultaneous Determination of Water-Soluble Vitamins in Multivitamin Dietary Tablets." Journal of AOAC INTERNATIONAL 92, no. 2 (2009): 680–88. http://dx.doi.org/10.1093/jaoac/92.2.680.

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Abstract The purpose of this study was to develop a single-laboratory validated (SLV) method using high-performance liquid chromatography with different detectors diode array detector (DAD); fluorescence detector (FLD); and mass spectrometry (MS) for determination of 7 B-complex vitamins (B1-thiamin, B2-riboflavin, B3-nicotinamide, B6-pyridoxine, B9-folic acid, pantothenic acid, and biotin) and vitamin C in multivitamin/multimineral dietary supplements. The method involves the use of a reversed-phase octadecylsilyl column (4 m, 250 2.0 mm id) and a gradient mobile phase profile. Gradient eluti
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Saroji, Sudarmaji, Wandia Mellani Trihapsari, and Muhammad Destrayuda Trisna. "Implementation of Deterministic and Multimineral Method in Petrophysical Analysis for Identifying Low Resistivity Reservoir in Tesla Field, Air Benakat Formation, South Sumatera Basin." Aceh International Journal of Science and Technology 13, no. 3 (2025): 180–92. https://doi.org/10.13170/aijst.13.3.36698.

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The Tesla field is located in the South Sumatra Basin, where there is the Air Benakat Formation, with the constituent rocks being dominated by alternating sandstone and claystone so that it is a shaly sand environment with the potential to become a low-resistivity hydrocarbon reservoir. Hydrocarbon reservoirs generally have a resistivity log value of more than 10 Ωm; when a hydrocarbon reservoir has a low-resistivity value between 0.5 - 5 Ωm, it is referred to as a low-resistivity hydrocarbon reservoir. Initially, deterministic analysis was carried out to calculate the petrophysical parameters
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Felice, Valeria, Denise O’Gorman, Nora O’Brien, and Niall Hyland. "Bioaccessibility and Bioavailability of a Marine-Derived Multimineral, Aquamin-Magnesium." Nutrients 10, no. 7 (2018): 912. http://dx.doi.org/10.3390/nu10070912.

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Introduction: Magnesium is an essential mineral involved in a range of key biochemical pathways. Several magnesium supplements are present on the market and their degree of bioavailability differs depending on the form of magnesium salt used. Aquamin-Mg is a natural source of magnesium, containing 72 additional trace minerals derived from the clean waters off the Irish coast. However, the in vitro bioaccessibility and bioavailability of Aquamin-Mg in comparison with other supplement sources of magnesium has yet to be tested. Method: Aquamin-Mg, magnesium chloride (MgCl2) and magnesium oxide (M
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Clarke, D. L., and A. P. Clare. "AN INTEGRATED PETROPHYSICAL WORKFLOW TO GENERATING FLUID SUBSTITUTED LOGS FOR AVO CHARACTERISATION—GIPSY AND NORTH GIPSY FIELDS CASE STUDY, NORTH WEST SHELF, AUSTRALIA." APPEA Journal 42, no. 1 (2002): 477. http://dx.doi.org/10.1071/aj01026.

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As part of a multi-well field study an integrated petrophysical workflow was developed to include the generation of fluid substituted logs for AVO characterisation.The workflow relied upon the construction of a multimineral model that best approximated the actual mineral content of the reservoir. Any limitations or assumptions were noted and taken into account when creating the multi-mineral model. Other petrophysical results were derived from the same model to validate its consistency such as intrinsic permeability, porosity, water saturation, etc. Iteration between the model and the results
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Nicolás-López, Rubén, Oscar C. Valdiviezo-Mijangos, Jaime Meléndez-Martínez, and Valeriy M. Levin. "A multimineral Rock Physics Template built from the Perfectly Disordered Method for shale lithology interpretation." Journal of Petroleum Science and Engineering 176 (May 2019): 532–36. http://dx.doi.org/10.1016/j.petrol.2019.01.095.

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Liu, Mingxin, Yongfei Yang, Fugui Liu, et al. "Thermal disturbance anisotropy and structural stability in deep multimineral granular systems: A discrete element method study." Geothermics 132 (November 2025): 103439. https://doi.org/10.1016/j.geothermics.2025.103439.

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Burke, Lauri A., Justin E. Birdwell, and Stanley T. Paxton. "Multimineral petrophysics of thermally immature Eagle Ford Group and Cretaceous mudstones, U.S. Geological Survey Gulf Coast 1 research wellbore in central Texas." Interpretation 10, no. 1 (2021): T151—T165. http://dx.doi.org/10.1190/int-2021-0094.1.

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Traditional petrophysical methods to evaluate organic richness and mineralogy using gamma-ray and resistivity log responses are not diagnostic in source rocks. We have developed a deterministic, nonproprietary method to quantify formation variability in total organic carbon (TOC) and three key mudrock mineralogical components of nonhydrocarbon-bearing source rock strata of the Eagle Ford Group by developing a set of log-derived multimineral models calibrated with Fourier transform infrared spectroscopy core data from the research borehole U.S. Geological Survey Gulf Coast 1 West Woodway. We de
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Dissertations / Theses on the topic "Multimineral method"

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LIANG, WENDONG. "Petrology and multimineral fingerprinting of modern sand derived from the Himalayan orogen." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2020. http://hdl.handle.net/10281/271022.

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L’oggetto di questa tesi è stato lo studio della mineralogia dei sedimenti fluviali ed eolici attuali generati dall’erosione della catena Himalayana, con lo scopo di definire con precisione le segnature composizionali dei diversi domini tettono-stratigrafici dell’orogene. All’approccio basato sulla identificazione e quantificazione delle associazioni di minerali pesanti (densità > 2.90 g/cm3), sono stati affiancate diverse tecniche analitiche complementari, che comprendono la petrografia e la geochimica del sedimento totale, lo studio di dettaglio al microscopio elettronico a scansione e allo
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Conference papers on the topic "Multimineral method"

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Wang, S. S., L. Z. Xiao, A. Z. Yue, and X. Li. "Multimineral non-linear inversion method using geochemical logging data based on Tikhonov regularization." In 79th EAGE Conference and Exhibition 2017. EAGE Publications BV, 2017. http://dx.doi.org/10.3997/2214-4609.201701048.

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Sapiie, B. "Fault Seal Analysis Application in Carbonate Rock Sequences: Issues and Solution." In Indonesian Petroleum Association - 46th Annual Convention & Exhibition 2022. Indonesian Petroleum Association, 2022. http://dx.doi.org/10.29118/ipa22-g-303.

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Fault seal analysis (FSA) is a crucial component of hydrocarbon exploration, production, and reservoir management. However, most FSA workflow and theories are developed for normal fault systems that commonly apply to siliciclastic rock. In the case of the carbonate rock, a simple algorithm of FSA using shale gouge ratio (SGR) analysis may generate some errors in sealing and leaking faults. The FSA method is primarily controlled by shale volume distributions rather than by throw, as demonstrated by sealing faults behavior with small throws. This result suggested that good quality sand reservoir
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Vasić, Goran. "Microelements and sports performance." In Antropološki i teoantropološki pogled na fizičke aktivnosti (11). Univerzitet u Prištini-Kosovska Mitrovica - Fakultet za sport i fizičko vaspitanje u Leposaviću, Leposavić, 2025. https://doi.org/10.5937/atavpa25001v.

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Athletes who take care of their health and want to be successful in sports take various vitamin and multimineral supplements, but most of them don't pay attention to traces of microelements found in human body. Studies state that 72 of them are needed in order for human to function properly. While only 8 microelements can be found in soil, and therefore in food, all of the 72 can be found in some type of seafood. Those who don't consume enough food of this kind can get their necessary doses of trace elements from multimineral supplements. The effects of microelements on the human body are grea
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Mellal, Ilyas, Mohamed Lamine Malki, Abdeldjalil Latrach, Ouafi Ameur-Zaimeche, and Omar Bakelli. "Multiscale Formation Evaluation and Rock Types Identification in the Middle Bakken Formation." In 2023 SPWLA 64th Annual Symposium. Society of Petrophysicists and Well Log Analysts, 2023. http://dx.doi.org/10.30632/spwla-2023-0012.

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Multiple challenges are associated when characterizing complex reservoirs using well logs. The Middle Bakken Member (MBM), as a tight and multimineral reservoir with a low-resistivity pay, presents several petrophysical challenges. The objective of the paper is to characterize the MBM rock properties from pore to log scale using thin sections, routine and special core analysis, conventional and advanced well logs, and machine-learning algorithms. For a detailed understanding of the MBM rock properties, we used a complex petrophysical workflow by integrating quad-combo logs along with advanced
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Issayev, Duman, Francisco Correa Mora, Assem Bibolova, et al. "Fast-Track Verification Methods for Optimizing the Strategy and Scope of a Static Model Rebuild." In SPE Caspian Technical Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/217512-ms.

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Abstract Oil field production forecasts rely heavily on an accurate characterization of the subsurface. Static geological models are computer-based three-dimensional representations of the subsurface that approximate the reservoir properties and are the basis for dynamic simulation and subsequent field development decisions. With the advent of new data acquisition technologies, the prompt availability of additional information can potentially impact the validity and reliability of existing geological models. This case study introduces accelerated verification methods to evaluate the scope of a
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Lee, Hyungjoo, Alexander Mitkus, Andrew Pare, et al. "A New Workflow for Estimating Reservoir Properties With Gradient Boosting Modeland Joint Inversion Using MWD Measurements." In 2023 SPWLA 64th Annual Symposium. Society of Petrophysicists and Well Log Analysts, 2023. http://dx.doi.org/10.30632/spwla-2023-0044.

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Triple-combo logs are important measurements for estimating geological, petrophysical, and geomechanical properties. Unfortunately, wireline and advanced LWD logs are typically dropped from the formation evaluation plan for unconventional wells due to economic constraints or borehole instability risks. Available measurements are typically measurement-while-drilling (MWD) natural gamma ray (GR) logs, along with surface measurements such as weight on bit (WOB), rate of penetration (ROP), torque, revolutions per minute (RPM), and differential pressure. The development of a robust and rapid model
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