Bibliografias temáticas / Cased hole

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Literatura científica selecionada sobre o tema "Cased hole"

Autor: Grafiati

Publicado: 12 de outubro de 2024

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Artigos de revistas sobre o assunto "Cased hole"

Mari, Jean Luc, e Pierre Gaudiani. "Geophysics on an experimental site". E3S Web of Conferences 342 (2022): 03001. http://dx.doi.org/10.1051/e3sconf/202234203001.

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APEC (Association Pédagogique et Expérimentale du Cher) has developed an experimental site, situated in the Cher region (France), both for the training of students and for professionals. The site is also used for experimental studies in near surface geophysics. The training in geophysics concerns the acquisition and processing of surface seismic data in 2D or 3D. On the site, two boreholes have been drilled for logging experiments, such as Vertical Seismic Profile (VSP), Full Waveform Acoustic logging (FWAL). During the drilling, some parameters such as rate of penetration (ROP) and Torque have been continuously recorded. The completion of the two boreholes is different to evaluate the behaviour of logging tools with the change of completion (open hole, steel cased hole, slotted PVC cased hole). After a short review of seismic experiments done on the site, the paper is focused on logging data and shows how the completion can modify the answer of the logging tools (acoustic and electrical tools). In acoustic logging, the comparison of acoustic data recorded in slotted PVC cased hole and in open hole shows that the prediction of shear formation velocity from Stoneley waves can be done in open hole. In case of a completion with slotted PVC, the joints of PVC casing disturb the resistivity measurements. A specific procedure has been developed to filter the casing disturbances.

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Tang, X. M., D. Patterson e M. Hinds. "Evaluating Hydraulic Fracturing in Cased Holes With Cross-Dipole Acoustic Technology". SPE Reservoir Evaluation & Engineering 4, n.º 04 (1 de agosto de 2001): 281–88. http://dx.doi.org/10.2118/72500-pa.

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Summary A cross-dipole technology was used to evaluate a carbonate formation in southeastern New Mexico to determine fracture trends in a waterflooded environment. The measurements were first made in open hole, then in cased hole before and after fracture stimulation. The cross-dipole data were processed to find the amount of shear-wave anisotropy and the associated azimuth. The results demonstrate that stimulated fractures create a substantial anisotropy and a well-defined azimuth behind casing. More important, by evaluating the anisotropy magnitude and azimuth from the cased-hole data, we can determine the fracture extent along the borehole and its azimuth in the formation. The fracture extent is also consistent with that from a radioactive tracer measurement. The results of this study suggest that cross-dipole acoustic logging is an effective technology for cased-hole fracture stimulation evaluation. Introduction Hydraulic fracture stimulation in cased boreholes can be effectively performed by pressurizing perforations through casing. But evaluating the stimulation result presents a formidable task. The presence of casing makes it difficult to evaluate and detect the vertical extent and azimuth of the stimulated fractures. This paper presents a solution to this problem using cross-dipole acoustic logging technology. Natural or stimulated fractures parallel to and intersecting a borehole create azimuthal shear-wave anisotropy around the borehole. The amount of anisotropy gives an indication of fracture intensity, and the associated fast-shear polarization azimuth gives the strike of open fractures. For open holes, this fracture-induced anisotropy can be effectively measured with cross-dipole acoustic logging.1 Application of this technology to cased holes has been hindered by two factors. The first is the concern of the effect of casing and cement on the cross-dipole measurement, and the second is the lack of an effective device to measure the tool's orientation inside casing. We performed numerical modeling to show that a cross-dipole tool can measure shear-wave anisotropy through casing and cement provided that they are well bonded with the formation. A gyroscope device allows for measuring azimuth in cased wells. With these foundations, we can apply cross-dipole technology to cased-hole analysis. A well in southeastern New Mexico was chosen to evaluate the cross-dipole technology for cased-hole applications. This well was drilled into a carbonate formation at a depth of approximately 6,800 ft. Petrophysical analysis was performed on this well to obtain the geological formations inherent in the area. This example is located in the northwest edge of the Central basin platform and is bordered to the west by the Delaware basin, to the east by the Midland basin, and near the northwestern shelf and the Captain Reef trend. These basins are parts of what make up the Permian Basin. The goal of this test was to determine the fracture trend in this waterflooded field. First, openhole logging in the well was performed to locate the zones of interest and to determine the amount of anisotropy that existed before casing the well. The openhole logging found two intervals of interest near the bottom of the well. These intervals are 6,650 to 6,770 ft and 6,168 to 6,370 ft, respectively. After the borehole was cased, the same logging measurements were repeated for comparison purposes. The intervals of interest were then completed in two separate stages. The first stage included only the interval of 6,650 to 6,770 ft. It was hydraulically fractured and tagged with three radioactive isotopes: scandium (Sc-46), iridium (Ir-92), and antimony (Sb-124). The scandium was pumped with fluid into the perforations during the fracture stimulation. The fracture was subsequently sand-tagged with iridium (I-92) and antimony (Sb-124), both being solid proppant. As shown by the tracer analysis results (see Figs. 6 and 7 later in this paper), the bulk of the fracture was placed from 6,646 to 6,710 ft; the fracture grew down 20 ft below the bottom perforation and up to 6,545 ft, with a gradually reduced migration up to 6,450 ft. The second completion stage was for the interval of 6,168 to 6,370 ft, which was fractured without any radioactive isotopes. The radioactive tracers can be detected with a cased-hole spectral gamma ray device so that the various stages of the hydraulic fracture can be monitored for their vertical migration away from the perforations. Along with the post-stimulation spectral gamma ray measurement, the cross-dipole acoustic logging was repeated. The results of this logging, together with those of the openhole and prestimulation cased-hole logging runs, were analyzed to determine the vertical extent and azimuth of the stimulated fractures. In the following, we demonstrate the theoretical modeling results for cross-dipole logging through casing, and we present the measurement results for openhole and pre- and post-stimulation cased-hole logging runs. Finally, we interpret the results and provide the conclusions of this study. Cross-Dipole Measurement Through Casing A dipole acoustic tool performs a directional measurement by inducing and receiving flexural (or bending) waves along the borehole. A cross-dipole tool consists of two sets of dipole transmitter-receiver systems facing 90° apart (Fig. 1). The cross-dipole tool measures azimuthal shear-wave anisotropy around a borehole. This anisotropy has two orthogonal polarization directions, referred to as the fast-shear and slow-shear wave polarization directions, respectively. The magnitude of the anisotropy is measured by the fast and slow shear-wave velocity (or slowness) difference. During cross-dipole logging in an anisotropic formation, the borehole flexural wave motion induced by a source transmitter splits into fast and slow waves. These two waves are received by in-line and cross-line receiver arrays on the tool. For the in-line receivers, the maximum receiving sensitivity is in the source vibration direction, while for the cross-line receivers, this sensitivity direction is perpendicular to the source direction. The tool acquires a four-component array data set (two in-line and two cross-line). These data are processed with an array waveform inversion method.2 This method computes the fast and slow dipole-shear waves from the four-component data and matches the fast and slow waves across the array to determine the magnitude and azimuth of the anisotropy simultaneously.

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Z. A., Alfageh. "Exploration of Hidden Hydrocarbons in Old Wells Magid Field - Sirte Basin, Libya". International Journal for Research in Applied Science and Engineering Technology 9, n.º 9 (30 de setembro de 2021): 1189–92. http://dx.doi.org/10.22214/ijraset.2021.38143.

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Abstract: It is increasingly important to improve field productivity in today's competitive market. One way to achieve this, is to add new wells which are expensive and time consuming. The other alternative is to identify bypassed hydrocarbons, track changes in saturations and detect movement of reservoir fluid contacts from existing well bores already in place. It is considerably more cost effective and often more environmentally friendly to explore for those hidden hydrocarbons in old wells rather than drill new wells. As the field matures, there is a need to reevaluate the formation in older reservoirs and to focus the development strategy and approach on bypassed oil pockets and depletion levels in producing intervals. The ability to acquire essential logging data behind casing adds a new dimension to cased hole formation evaluation for locating and evaluating potential hydrocarbon zones in a mature field as in Magid field. A basic petrophysical evaluation was performed incorporating the data recorded behind casing by applying {Cased Hole Formation Resistivity Logging (CHFRL)} in each of these wells. Based on the analysis of cased hole formation evaluation results. The un-depleted intervals were commercially exploited adding reserve to the asset. Keywards: Hydrocarbon zones, Majid Field, Sirte Basin, Libya, CHFRL

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Carpenter, Chris. "Cased-Hole Solution Assesses Tight Reservoirs". Journal of Petroleum Technology 72, n.º 08 (1 de agosto de 2020): 55–56. http://dx.doi.org/10.2118/0820-0055-jpt.

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Jiang, Can, Xue-Lian Chen, Yuan-Da Su e Xiao-Ming Tang. "Cased borehole acoustic-wave propagation with varying bonding conditions: Theoretical and experimental modeling". GEOPHYSICS 84, n.º 4 (1 de julho de 2019): D161—D169. http://dx.doi.org/10.1190/geo2018-0798.1.

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Acoustic measurements in cased boreholes are important for cement-bond evaluation behind the casing. In conjunction with a recently developed acoustic-wave theory using slip-boundary modeling, we carried out an experimental study for different cement-bond conditions. Four different cased-hole models were constructed, where the interface between the casing and the cement, and that between the cement and the formation, are decoupled or partially bonded to simulate the different cement bond conditions. An acoustic system is placed in the borehole to measure extensional casing waves along the borehole. By extracting the attenuation and velocity of casing waves from the experimental data, the bonding conditions were analyzed and compared with the theoretical modeling. The results indicate that, compared with the free-pipe situation, the casing waves are attenuated when there is some degree of bonding (good or poor) between the casing and the formation. However, when the poor bonding occurs at the cement-formation interface, the casing wave indicates significant velocity reduction and dispersion, the degree of the velocity change varying with the bonding condition. This wave phenomenon is predicted by the slip-boundary modeling. By adjusting the slip-boundary parameters in the modeling, the experimental results can be quantitatively modeled. These results are also confirmed by cased-hole acoustic logging data examples. The theoretical model can therefore be used to interpret cased-borehole acoustic-wave measurements.

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Jambunathan, Venkataraman, FNU Suparman, Zhipeng Liu, Weijun Guo e Daniel Dorffer. "Cased-hole interpretation workflow for determining residual oil saturation for mature fields". Interpretation 3, n.º 1 (1 de fevereiro de 2015): SA135—SA142. http://dx.doi.org/10.1190/int-2014-0046.1.

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Formation evaluation for mature oil fields remains a challenge for operators. Rock-petrophysical properties present large uncertainties following years of production. Formation evaluation becomes even more challenging when there is a lack of open-hole logging data as is typically the case. Logging programs for cased-hole formation evaluation are limited by the size of the well completion. In addition, a metallic casing often prevents the effective use of electric measurements. However, pulsed-neutron tools (PNTs) are a viable option for mature fields. We developed a brief review of PNT theory. The high-energy neutrons output at a high count rate fit the need of cased-hole applications. Application of pulsed-neutron technology for mature fields and a case history from west Texas, in which pulsed neutron technology was used to determine remaining oil saturation are discussed. We documented the best practice for data acquisition and the processing workflow. Having a good collaboration between operator and service provider helps to better understand the logging objectives and in job planning, which is important for the success of the logging operation.

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Gaurina-Međimurec, Nediljka, e Pavao Mesarić. "Application of Solid Expandable Tubulars in the Petroleum Industry". Rudarsko-geološko-naftni zbornik 37, n.º 1 (2022): 163–80. http://dx.doi.org/10.17794/rgn.2022.1.14.

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The development of solid expandable tubular (SET) technology and products (open hole liner, open hole clad, cased hole liner, liner hanger, internal casing patch, etc.) has enabled operators to plan well design in a new way and solve various problems that arise during drilling and exploitation on land and offshore. By including an expandable open hole liner, monobore open hole liner or monobore openhole clad in well design, it is possible to achieve a slim hole design and/or resolve unwanted situations that occur during the drilling of problem zones with minimal hole size reduction and reach hydrocarbon reserves which cannot be achieved economically by conventional technology. By installing an expandable cased hole liner or internal casing patch in production wells to cover the intervals of a corroded casing or to close old perforations, it is possible to extend the life cycle of a production well and increase the final hydrocarbon recovery and speed up the return on investment. The aim of this paper is to systematically review the relevant literature and give an overview of solid expandable tubular technology and its applications in the petroleum industry, as well as the cementing technology of open hole expandable liners. The available data for 21 case studies of SET application in onshore and offshore wells were analyzed in detail. Based on an extensive review of the literature and analyzed data, it can be concluded that SET technology is being successfully applied worldwide and that expandable liners with a diameter of 114.3 mm to 339.72 mm are being run in wells to ever greater depths (up to 5166 m) and in ever more extreme downhole conditions.

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Chinwe Ozowe, Oludayo Olatoye Sofoluwe, Ayemere Ukato e Dazok Donald Jambol. "A comprehensive review of cased hole sand control optimization techniques: Theoretical and practical perspectives". Magna Scientia Advanced Research and Reviews 12, n.º 1 (30 de maio de 2024): 164–77. http://dx.doi.org/10.30574/msarr.2024.11.1.0079.

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Cased hole sand control is a critical aspect of oil and gas well management, ensuring efficient production by mitigating sand production issues. This review presents a comprehensive review of cased hole sand control optimization techniques, offering theoretical insights and practical perspectives to enhance well productivity and longevity. The review encompasses various aspects, including the challenges of sand production, the importance of sand control, and the evolution of sand control techniques. Sand production in oil and gas wells can lead to equipment damage, wellbore instability, and reduced production efficiency. Effective sand control is thus essential to maintain well integrity and maximize hydrocarbon recovery. This review explores the fundamental principles of sand control, highlighting the key parameters influencing sand production, such as reservoir properties, fluid properties, and wellbore geometry. The review discusses traditional sand control methods, such as gravel packing and standalone screens, along with emerging technologies like expandable sand screens and autonomous inflow control devices. It evaluates the advantages and limitations of each technique, considering factors such as installation complexity, cost-effectiveness, and long-term reliability. Furthermore, the review delves into advanced sand control optimization strategies, including the use of modeling and simulation tools to predict sand production and optimize sand control design. It discusses the integration of data analytics and machine learning techniques for real-time monitoring and decision-making, enhancing sand control effectiveness and reducing operational risks. Practical case studies and field applications are presented to illustrate the implementation of sand control optimization techniques in real-world scenarios. These case studies highlight the challenges faced, the solutions implemented, and the outcomes achieved, providing valuable insights for industry practitioners and researchers. In conclusion, this review provides a comprehensive overview of cased hole sand control optimization techniques, emphasizing the importance of integrating theoretical knowledge with practical considerations to enhance sand control efficiency and maximize well productivity. his review paper will systematically analyze existing methodologies and the latest advancements in cased hole sand control treatments. It explores theoretical frameworks, compares practical outcomes, and discusses the implications of optimized frac geometries for reservoir performance enhancement across varied geological settings.

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Jacobson, Larry A., e Chu-Chiu Fu. "Computer Simulation of Cased-Hole Density Logging". SPE Formation Evaluation 5, n.º 04 (1 de dezembro de 1990): 465–68. http://dx.doi.org/10.2118/19613-pa.

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JPT staff, _. "Cased-Hole Completions Without Perforating Eliminate Risks". Journal of Petroleum Technology 57, n.º 02 (1 de fevereiro de 2005): 24–25. http://dx.doi.org/10.2118/0205-0024-jpt.

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Mais fontes

Teses / dissertações sobre o assunto "Cased hole"

Olumide, Babajide Adelekan. "Characterization of the Germania Spraberry unit from analog studies and cased-hole neutron log data". Thesis, Texas A&M University, 2004. http://hdl.handle.net/1969.1/2795.

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The need for characterization of the Germania unit has emerged as a first step in the review, understanding and enhancement of the production practices applicable within the unit and the trend area in general. Petrophysical characterization of the Germania Spraberry units requires a unique approach for a number of reasons ?? limited core data, lack of modern log data and absence of directed studies within the unit. In the absence of the afore mentioned resources, an approach that will rely heavily on previous petrophysical work carried out in the neighboring ET O??Daniel unit (6.2 miles away), and normalization of the old log data prior to conventional interpretation techniques will be used. A log-based rock model has been able to guide successfully the prediction of pay and non-pay intervals within the ET O??Daniel unit, and will be useful if found applicable within the Germania unit. A novel multiple regression technique utilizing non-parametric transformations to achieve better correlations in predicting a dependent variable (permeability) from multiple independent variables (rock type, shale volume and porosity) will also be investigated in this study. A log data base includes digitized formats of gamma ray, cased hole neutron, limited resistivity and neutron/density/sonic porosity logs over a considerable wide area.

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Varignier, Geoffrey. "Construction de fonctions de sensibilité spatiales et prédictions rapides de diagraphies nucléaires en environnement de puits tubés". Electronic Thesis or Diss., Université Grenoble Alpes, 2024. http://www.theses.fr/2024GRALY026.

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Dans les puits pétroliers, de nombreux outils fonctionnant sur différents principes physiques sont couramment utilisés pour l’acquisition de données. Cette thèse se concentre sur les sondes de diagraphies nucléaires actives, faisant intervenir une source neutronique ou gamma. Elles sont utilisées dans l'industrie pétrolière pour caractériser la géologie des puits et ont été initialement développées pour réaliser des mesures quantitatives en conditions puits ouvert où la sonde est en contact direct avec la formation rocheuse. Une fois le puits pétrolier foré, un tube en acier est installé puis cimenté, les sondes ne sont alors plus en contact avec la formation rocheuse et les mesures sont considérées comme qualitatives en raison de la complexité de la géométrie et de l'atténuation du signal.Avec la raréfaction des ressources en hydrocarbures, le nombre de projets d’explorations diminue chaque année. Les compagnies pétrolières ont de plus en plus de puits dont il faut maintenir les capacités de production et d’autres en fin de vie qu’il faut abandonner, ce qui passe systématiquement par des mesures. La quantité de diagraphies en configuration puits tubé tend donc fortement à augmenter et il devient nécessaire d’améliorer leur interprétation.La problématique industrielle est de pouvoir caractériser de manière quantitative, dans un domaine à forte hétérogénéité radiale, l’ensemble de tous les éléments du puits (e.g. les fluides, le tubage, le ciment) et pas uniquement les paramètres du réservoir rocheux. L’approche développée dans la thèse se base sur le concept des fonctions de sensibilité des sondes diagraphiques nucléaires, qui représentent la dépendance en 3D de la mesure aux éléments du modèle et sont obtenues par simulation Monte-Carlo. Du fait du nombre important de variables, une inversion multiphysique prenant en compte l’ensemble des mesures des différentes sondes nucléaires (de porosité par diffusion neutronique, de densité par diffusion gamma, de lithologie par activation neutron-gamma) est indispensable.La première étape de la thèse a permis de comparer les codes Monte-Carlo de transport de particules GEANT4 et MCNP pour des applications de Géosciences. Les résultats montrent un très bon accord pour la physique gamma-gamma, un bon accord pour la physique neutron-neutron mais des écarts significatifs pour la physique neutron-gamma pour laquelle MCNP semble plus pertinent.La deuxième étape de la thèse a permis de valider expérimentalement les simulations Monte Carlo et de concevoir une méthode de calcul des fonctions de sensibilité numériques spécifique au domaine des puits tubés. La validation se traduit par une comparaison entre les fonctions de sensibilité expérimentales mesurées en centre d’étalonnage et les fonctions de sensibilité numériques calculées avec deux méthodes différentes, l’une basée sur des importances spatiales estimées par MCNP, l’autre sur les lieux d’interaction obtenus avec GEANT4. Les résultats montrent un bon accord expérimental entre les profils de sensibilité radial et axial mesurés et calculés, ce qui valide le concept de fonction de sensibilité avec une préférence pour la méthode des lieux d’interaction qui présente un contraste radial plus importante entre les différents constituants du puits.La troisième étape de la thèse a consisté à faire l’interprétation géologique d’une zone réservoir d’un puits tubé avec les fonctions de sensibilité. Les diagraphies neutron-gamma et de porosité prédites grâce aux fonctions de sensibilité sont comparées à celles mesurées en puits. Un modèle de terrain optimal est obtenu par itération, montrant une bonne capacité des algorithmes de prédiction à reproduire quantitativement en configuration puits tubé ce type de diagraphies à condition de choisir un étalonnage pertinent
In petroleum wells, many tools operating on different physical principles are commonly used for data acquisition. This thesis focuses on actives nuclear logging probes involving a neutron or a gamma source. They are used in the oil industry to characterize the well geology and have been initially developed to realize quantitative measurements in open hole conditions where the probe is directly in contact with the rock formation. Once the petroleum well is drilled, a steel casing is installed and cemented, the probes are then no longer in contact with the rock formation and the measurements are considered qualitative due to the complexity of the geometry and the signal attenuation.With the hydrocarbon resources rarefaction, the number of explorations projects decease each year. Petroleum companies have more and more mature wells whose production capacities must be maintained and others at the end of their life which must be abandoned. Those phases require systematically logging measurements. The quantity of logs in cased-hole configuration tends to increase a lot and it becomes necessary to improve their interpretation.The industrial problematic is to characterize quantitatively, in a filed with strong radial heterogeneity, all the components the well (e.g. the fluids, the casing, the cement) and not just the rock reservoir parameters. The approach developed in the thesis is based on the concept of sensitivity function of nuclear logging probes, which represents the 3D dependency of the measurement to the model elements and are obtained by Monte-Carlo simulation. Due to the large number of unknowns, a multiphysical inversion considering the all the measurements of the different nuclear probes (porosity by neutron diffusion, density by gamma diffusion, lithology by neutron-gamma activation) is essential.The first part of the thesis allowed to compare the Monte-Carlo particles transport codes GEANT4 and MCNP for Geosciences applications. Results show a very good agreement for the gamma-gamma physics and a good agreement for the neutron-neutron physics but significant discrepancies for the neutron-gamma physics where MCNP seems to be more relevant.The second part of the thesis allowed to experimental validate Monte-Carlo simulations and to design a sensitivity function computation method specific for the cased-hole configuration. The validation is a comparison between the experimental sensitivity functions measured in calibration center and the numerical sensitivity functions computed using two different methods, the first one based on spatial importances estimated with MCNP and the second one based on interaction locations obtained with GEANT4. The results show good experimental agreement between the measured and calculated radial and axial sensitivity profiles, which validates the concept of sensitivity function with a preference for the interaction locations method which presents greater radial contrast between the different components of the well.The third part of the thesis consisted of making the geological interpretation of a reservoir zone of a cased hole well with sensitivity functions. The neutron-gamma and porosity logs predicted using the sensitivity functions are compared to the measured logs. An optimal earth model is obtained by iteration, showing a good capacity of the fast forward modeling algorithums to quantitatively reproduce the logs in cased-hole configuration providing that a relevant calibration is apply

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Poon, Sun-mei Rebecca, e 潘新媚. "Students' perception towards home-school collaboration". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B31961265.

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Owolabi, Elizabeth Aina. "Home Economics programs in Oyo state secondary schools". Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/28194.

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The purpose of this study was to identify the curricula emphases of home economics in Oyo state secondary schools, and to analyze the relationship between subject matter emphasis and selected aspects about teaching and the teacher. Sixty-two home economics teachers in Oyo state, Nigeria, responded to a mailed survey asking them to indicate the degree of emphasis given to 50 topics in five subject matter areas of home economics: Human Development and the Family, Home Management and Family Economics, Foods and Nutrition, Textiles and Clothing, and Housing. The most taught subject matter area was Foods and Nutrition followed by Home Management and Family Economics, Textiles and Clothing, Human Development and the Family, and Housing. A similar rank order was observed for subject matter competence and for preference for teaching subject matter. Scores on the topics within each subject matter area, however, indicated that all of these topics and the subject matter areas were moderately emphasized in the curriculum. The philosophical views of home economics as homemaking education; home economics as household management and home economics as cooking and sewing exist concurrently. Multiple regression analysis was used to examine the relationship between the above five subject matter areas and selected aspects about teaching and the teacher. The results of the multiple regression analysis indicated no significant relationship. Some of the problems facing home economics as a subject in the secondary schools were lack of laboratory space, equipment, finance, and shortage of home economics teachers. Collaborative curriculum development and local co-operative responses may offer the means to overcome the shortage of resources for programs in specific locales. Further research in the form of case studies of successful home economics programs could be informative in understanding better the necessary components which should be fostered in strengthening home economics programs.
Education, Faculty of
Curriculum and Pedagogy (EDCP), Department of
Graduate

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Mahunga, P. "Determinants of home based care services provision for the people living with HIV/AIDS: A case study of Hope ('Tumaini') Home Based Care Programme in Tanzania". Master's thesis, University of Cape Town, 2012. http://hdl.handle.net/11427/10689.

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Includes abstract.
Includes bibliographical references.
The higher increase in the number of HIV/AIDS patients in the country has necessitated the expansion of Home Based Care (HBC) programmes and has called for the need to strengthen the HBC services in Tanzania. Since scaling up of HBC services is fundamental and the resources dedicated into HBC programs are supposed to be utilized efficiently, the factors hindering the provision of HBC services should be known and resolved. A cross sectional study was applied in studying the factors that influence the provision of HBC services and a quantitative method of data collection and analysis was used. A sample of 8 civil society organisations out of 23 carrying out HBC activities under 'Hope' HBC program were selected, representing organizations from rural and peri urban areas.

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Misola, Jane. "The Development and Testing of the Life Sustaining Treatment Attitude Questionnaire (LSTAQ)". Diss., University of Hawaii at Manoa, 2010. http://hdl.handle.net/10125/22061.

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Purpose: To develop and test the validity and reliability of the Life Sustaining Treatment Attitude Questionnaire (LSTAQ), a survey instrument to elicit family member decision-maker attitudes toward life sustaining treatments for the critically ill at end of life. Background: Attitudes toward life sustaining treatments (LST) have been shown to influence decision-making at end of life (EOL). A reliable and valid tool to elicit attitudes specifically from family member decision-makers may help healthcare professionals facilitate decision-making during serious illness at end of life. Methods: A 33-item LSTAQ instrument was tested in 170 adults. Construct validity was evaluated by exploratory factor analysis. Correlations established convergent and discriminant validity. Reliability testing for internal consistency was assessed by Cronbach's alpha and corrected split half reliability coefficients. All procedures were done with Statistical Package for Social Sciences (SPSS version 18) software (SPSS Inc., Chicago, 111). Results: A 30-item final LSTAQ tool was derived from this study. Principal components factor analysis extracted six factors explaining 62.7% of variance. Correlations with a similar tool supported convergence (r = .72, ? <.01). Discriminant validity was confirmed by the absence of significant correlation with the dissimilar tool. LSTAQ internal consistency was good (Cronbach's alpha = .92). A preliminary exploration of differences in LSTAQ scores by ethnicity revealed a sampling size and distribution that was not optimally responsive to detection of ethnic differences. Conclusion: The LSTAQ is a reliable and valid tool to elicit LST attitudes specifically from family member decision-makers. The knowledge gained may help healthcare professionals promote interventions that facilitate family decision-making on life support for the ill relative at end of life. This might help reduce decision difficulties that cause preventable discomfort, unnecessary treatment and prolonged suffering for the terminally ill patient, as well as avoidable distress among family members involved in decisions for the sick relative.

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Barter, Paul Alexander. "Changes to Malay village home gardens in the Kinta district of West Malaysia". Title page, contents and abstract only, 1991. http://web4.library.adelaide.edu.au/theses/09ENV/09envb283.pdf.

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Van, Alstyne Audrey May. "Computers in the home curriculum project : an atttitude and gender study". Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/31215.

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Computers are a valuable tool for education. Studies have proven that the computer can assist in the development of a positive self-concept and a positive attitude toward school. Computers can increase student-teacher interaction and achievement by individualizing the learning process. The research clearly documents the dominance of males in the computer field. Home economics educators have the ability to assist individuals and families in using this tool to their best advantage. This research study included 224 students at Sir Charles Tupper School in Vancouver, B.C. The students were thirteen or fourteen years of age and in grade nine or ten. The study was conducted between September 1989 and February 1990. The purpose of this study was to determine if the integration of computers into home economics can encourage attitude changes and promote equitable computer use between male and female students. This study will test the assertion of previous research that indicates females are less interested in computers and less likely to use computers than males. Can females do as well as males and males as well as females when given the opportunity to study personally relevant material under the supervision of a female role model? Of the 224 students in the study, 185 were in the control group and 39 were in the treatment group. The treatment involved participation in the new course, Computers in the Home. This course studies the impact of computers on family life, and explores personal and home computer applications. The survey was designed to assess student attitudes toward the computer and how they may have changed as a result of the course. Student responses to the survey were analyzed using SPSS-X and Chi-Square analyses were performed to determine any significant differences. During the period of study, the enrollment patterns in both Computer Science and Computers in the Home refute the majority of research in that more females than males were enrolled in these computer classes. It was expected and postulated that students enrolled in Computers in the Home would have been exposed to a different experience than those not enrolled. Unfortunately, there was no significant difference between the attitudes of the students enrolled in the course and students not enrolled in Computers in the Home. Although empirical observation throughout the study period lead the researcher to believe there were differences, statistical analysis of the survey responses did not support this observation. Males overtly displayed their enjoyment—they were more adventurous, aggressive and curious. Female students were quieter and tended to be more covert toward this machine. Since no difference in attitude was found, this research study has shown that females are as interested and use computers as often as male students at Sir Charles Tupper School. Although females react differently toward computers, the general trend appears to be moving toward more equitable computer experiences for all.
Education, Faculty of
Curriculum and Pedagogy (EDCP), Department of
Graduate

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Arslanian, Varant Nerces. "Leaving home, staying home : a case study of an American Zen monastery". Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=98535.

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The subject of this thesis is an American Zen monastery in New York, Zen Mountain Monastery (ZMM). The study is approached through a survey of methodologies: (1) through the scholarship on American culture and religion, (2) through the sociology of the study of religious institutions and communities and (3) through a comparison with East Asian Zen monasticism. The study reveals that ZMM's monasticism: (1) is part of a systematization of Zen in America that has made Zen into a mainstream option in American society, (2) has created group practices and commitment mechanisms that put ZMM in a better position than American lay Zen centers to challenge the individualist trends of American society and spirituality and (3) is based on a conception of the self more in line with the individualism of American society than the asceticism of East Asian Zen monasticism.

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Yuh, Yoonkyung. "Adequacy of preparation for retirement : mean and pessimistic case projections". Connect to resource, 1998. http://rave.ohiolink.edu/etdc/view.cgi?acc%5Fnum=osu1261322824.

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Livros sobre o assunto "Cased hole"

Bateman, Richard M. Cased-Hole Log Analysis and Reservoir Performance Monitoring. New York, NY: Springer New York, 2015. http://dx.doi.org/10.1007/978-1-4939-2068-6.

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Bateman, Richard M. Cased-Hole Log Analysis and Reservoir Performance Monitoring. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-017-0977-4.

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European Court of Human Rights. Holm case (44/1992/389/467): Judgment. Strasbourg: Council of Europe, 1993.

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Rick, Kunkle. Puget sound telecommuting demonstration: Case studies. Olympia, Wa: Washington State Energy Office, 1992.

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Remmelink, Jan. Remmelink concludeert: Advocaat-Generaal bij de Hoge Raad der Nederlanden 1968-1988, Procureur-Generaal bij de Hoge Raad der Nederlanden 1988-1992. Zwolle: W.E.J. Tjeenk Willink, 1992.

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Eells, Mary Ann Walsh. Case studies in home health: Problem families, problem agencies. Baltimore: Williams & Wilkins, 1989.

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Neal-Boylan, Leslie. Clinical case studies in home health care. Chichester, West Sussex: Wiley-Blackwell, 2011.

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Raad, Netherlands Hoge, ed. Bopz-jurisprudentie: Alle in de NJ gepubliceerde uitspraken van de Hoge Raad, 1994-1997. Deventer: Kluwer, 1998.

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Giordano, Leigh. Case management/facility management. Springfield, Ill: Illinois Dept. of Public Aid, 1986.

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Orr, Tamra. After homeschool: Fifteen homeschoolers out in the real world. Los Angeles, Calif: Parent's Guide Press, 2003.

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Capítulos de livros sobre o assunto "Cased hole"

Bateman, Richard M. "Cased-Hole Logging Environment". In Cased-Hole Log Analysis and Reservoir Performance Monitoring, 25–29. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-017-0977-4_2.

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Bateman, Richard M. "Cased-Hole Logging Environment". In Cased-Hole Log Analysis and Reservoir Performance Monitoring, 9–15. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-2068-6_2.

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Bateman, Richard M. "Introduction". In Cased-Hole Log Analysis and Reservoir Performance Monitoring, 1–23. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-017-0977-4_1.

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Bateman, Richard M. "Interpretation". In Cased-Hole Log Analysis and Reservoir Performance Monitoring, 137–46. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-017-0977-4_10.

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Bateman, Richard M. "The Gamma Ray Log". In Cased-Hole Log Analysis and Reservoir Performance Monitoring, 147–72. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-017-0977-4_11.

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Bateman, Richard M. "Pulsed Neutron Logging". In Cased-Hole Log Analysis and Reservoir Performance Monitoring, 173–221. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-017-0977-4_12.

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Bateman, Richard M. "Cement Bond Logging". In Cased-Hole Log Analysis and Reservoir Performance Monitoring, 223–57. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-017-0977-4_13.

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Bateman, Richard M. "Casing Inspection". In Cased-Hole Log Analysis and Reservoir Performance Monitoring, 259–81. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-017-0977-4_14.

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Bateman, Richard M. "Erratum to: Pulsed Neutron Logging". In Cased-Hole Log Analysis and Reservoir Performance Monitoring, 321–22. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-017-0977-4_15.

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Bateman, Richard M. "Reservoir Fluid Properties". In Cased-Hole Log Analysis and Reservoir Performance Monitoring, 31–64. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-017-0977-4_3.

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Trabalhos de conferências sobre o assunto "Cased hole"

Smolen, J. J. "Cased‐hole logging: A perspective". In SEG Technical Program Expanded Abstracts 1986. Society of Exploration Geophysicists, 1986. http://dx.doi.org/10.1190/1.1892973.

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Cundiff, David W. "Open/Cased Hole Inflatable Whipstock Anchor". In SPE Production and Operations Symposium. Society of Petroleum Engineers, 2001. http://dx.doi.org/10.2118/67261-ms.

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Gyllensten, Asbjorn, e Austin Boyd. "Cased Hole Formation Resistivity Tool Trial". In SPE Middle East Oil Show. Society of Petroleum Engineers, 2001. http://dx.doi.org/10.2118/68081-ms.

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Gottschling, John Carl. "Openhole vs. Cased-Hole Hydraulic Fracturing". In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2005. http://dx.doi.org/10.2118/97172-ms.

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Hupp, Douglas, Wayne James Campaign e Lara Dean Bennett. "Case Study: Cased-Hole Density Application, North Slope, Alaska". In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2005. http://dx.doi.org/10.2118/95406-ms.

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Barajas, Jose Sanchez, Antonio Hernandez Patino, Eduardo Rodriguez Garcia, Harold Mesa, Juan Torne, Calvin Kessler, Georgios Varsamis e Joakim Blanch. "Case History - Cased Hole Dipole Sonic Applications in Mexico". In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2004. http://dx.doi.org/10.2118/90703-ms.

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Hupp, Douglas, Gordon Kidd, Jeff Harris e Matt Frankforter. "Cased Hole Formation Resistivity Applications in Alaska". In SPE Western Regional/AAPG Pacific Section Joint Meeting. Society of Petroleum Engineers, 2002. http://dx.doi.org/10.2118/76715-ms.

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Bichara, Francis, Alladoum Nandogongar, Gerard Nadjiadjim, Pebah Sobdibe, Beramadji Aliena e Delbert Drive. "Staged Multizone Cased Hole Frac Pack Completion". In Abu Dhabi International Petroleum Exhibition & Conference. Society of Petroleum Engineers, 2016. http://dx.doi.org/10.2118/182863-ms.

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Kitazawa, Mitsuko, e Henri-Pierre Valero. "Processing of pseudo-Rayleigh waves in cased hole". In Proceedings of the 10th SEGJ International Symposium. Society of Exploration Geophysicists of Japan, 2011. http://dx.doi.org/10.1190/segj102011-001.34.

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Valero, Henri‐Pierre, Oliver Skelton e Carlos Mauricio Almeida. "Processing of monopole sonic waveforms through cased hole". In SEG Technical Program Expanded Abstracts 2003. Society of Exploration Geophysicists, 2003. http://dx.doi.org/10.1190/1.1817899.

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Relatórios de organizações sobre o assunto "Cased hole"

Voskamp, A., Z. Lingxia, D. R. Murray, K. Torii, H. Yamamoto, S. Noguchi, K. Yamamoto e S. R. Dallimore. Identifying a gas hydrate production zone using a cased-hole borehole acoustic-reflection survey, Aurora/JOGMEC/NRCan Mallik 2L-38 gas hydrate production research well. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2012. http://dx.doi.org/10.4095/292090.

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Noguchi, S., T. Fujii, T. Takayama, D. R. Murray, K. Fujii, K. Yamamoto e S R Dallimore. Dissociation behaviour of gas hydrate through out a production test, based on cased-hole log data, of the Aurora/JOGMEC/NRCan Mallik 2L-38 gas hydrate production research well. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2012. http://dx.doi.org/10.4095/292092.

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Anderson, B., I. Dubourg, T. S. Collett e R. E. Lewis. Modelling the response of the Cased Hole Formation Resistivity tool in order to determine the depth of gas hydrate dissociation during the thermal test in the JAPEX/JNOC/GSC et al. Mallik 5L-38 gas hydrate production research well. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2005. http://dx.doi.org/10.4095/221041.

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Baechler, Michael C., Chrissi A. Antonopoulos, Maureen Sevigny e Marye G. Hefty. A Business Case for Home Performance Contracting. Office of Scientific and Technical Information (OSTI), outubro de 2012. http://dx.doi.org/10.2172/1067965.

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Dentz, Jordan, e Kunal Alaigh. Zero Energy Ready Home Multifamily Case Study Analysis. Office of Scientific and Technical Information (OSTI), fevereiro de 2016. http://dx.doi.org/10.2172/1238326.

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Dentz, Jordan, e Kunal Alaigh. Zero Energy Ready Home Multifamily Case Study Analysis. Office of Scientific and Technical Information (OSTI), fevereiro de 2016. http://dx.doi.org/10.2172/1239737.

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Walshire, Lucas, Joseph Dunbar e Benjamin Breland. Stability analysis of Old River Low Sill Structure. Engineer Research and Development Center (U.S.), setembro de 2022. http://dx.doi.org/10.21079/11681/45349.

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An updated stability analysis was performed on the Old River Low Sill Structure due to a change in the operating conditions from historic river sedimentation. Sedimentation of the Mississippi River channel since the 1973 spring flood has caused higher river stages at lower discharges. Numerical methods used included nonlinear analysis of pile group stability, seepage analyses, and limit equilibrium methods. The structure’s foundation was compromised during the 1973 flood, and emergency repairs were conducted to prevent scouring and undermining of the foundation by the flood scour. Rehabilitation included the reconstruction of a failed wing wall on the left abutment, rock and riprap fill in the forebay channel, and emergency grouting to fill the scour hole beneath the structure. An operating restriction was emplaced to limit the differential head across the structure due to flood damage. Taking these conditions into account, results from an updated analysis showed that full headwater uplift caused increased tension in the piles, while the increased body load caused increased compressive loads in the piles. Review of piezometric monitoring and the seepage analyses showed that full headwater uplift is unlikely, indicating the foundation grouting adequately sealed the scour hole beneath the structure. Analysis results exhibited lower magnitude compression and tension loads in the piles with design load cases compared to previous analyses. Recommendations from these analyses indicate that increased monitoring and additional investigation may support increasing the differential head limitation.

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Hirst, Russell, James Baker, Rhea Molato-Gayares e Albert Park. How to Stop Automotive Battery Recycling from Poisoning Our Children. Asian Development Bank, novembro de 2023. http://dx.doi.org/10.22617/brf230487.

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This brief calls for better safety standards on how automotive batteries are recycled in Asia’s developing countries to reduce harmful lead pollution and its associated health impacts. With developing Asia home to over 400 million children with potentially harmful blood lead levels, it explains how the open-air recycling of used lead-acid batteries (ULAB) contaminates air, soil, and water. Using Viet Nam and the United Kingdom as comparative case studies, the brief demonstrates why countries in the region should educate workers on ULAB recycling risks and look to remediate contaminated sites. It also emphasizes the need to hold manufacturers responsible for the entire life cycle of batteries, including the recycling process.

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Pacific Northwest National Laboratory. HIA 2016 DOE Zero Energy Ready Home Case Study: Thrive Home Builders, Row Homes at RidgeGate, Denver, CO. Office of Scientific and Technical Information (OSTI), setembro de 2016. http://dx.doi.org/10.2172/1329111.

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Baechler, Michael C., C. A. Antonopoulos, M. Sevigny, T. L. Gilbride e M. G. Hefty. Building America Energy Renovations. A Business Case for Home Performance Contracting. Office of Scientific and Technical Information (OSTI), outubro de 2012. http://dx.doi.org/10.2172/1219818.

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