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Author : Dennis Arun Alexis
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (862 download)
Download or read book Evaluation of Fluid Transport Properties of Coal Bed Methane Reservoirs written by Dennis Arun Alexis and published by . This book was released on 2013 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Susan Weniger
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (14 download)
Download or read book Coal Reservoir Characteristics and Fluid Transport Properties for Coalbed Methane (CBM) Evaluation written by Susan Weniger and published by . This book was released on 2016* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Pramod Thakur
Publisher : Gulf Professional Publishing
ISBN 13 : 0128030968
Total Pages : 226 pages
Book Rating : 4.1/5 (28 download)
Download or read book Advanced Reservoir and Production Engineering for Coal Bed Methane written by Pramod Thakur and published by Gulf Professional Publishing. This book was released on 2016-10-05 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Reservoir and Production Engineering for Coal Bed Methane presents the reader with design systems that will maximize production from worldwide coal bed methane reservoirs. Authored by an expert in the field with more than 40 years of' experience, the author starts with much needed introductory basics on gas content and diffusion of gas in coal, crucial for anyone in the mining and natural gas industries. Going a step further, chapters on hydrofracking, horizontal drilling technology, and production strategies address the challenges of dewatering, low production rates, and high development costs. This book systematically addresses all three zones of production levels, shallow coal, medium depth coal, and deep coal with coverage on gas extraction and production from a depth of 500 feet to upwards of 10,000 feet, strategies which cannot be found in any other reference book. In addition, valuable content on deep coal seams with content on enhanced recovery, a discussion on CO2 flooding, infra-red heating and even in-situ combustion of degassed coal, giving engineers a greater understanding on how today's shale activities can aid in enhancing production of coal bed for future natural gas production. - Delivers how to recover and degas deeper coal seams while lowering development costs - Addresses both sorption process and irreducible fraction of gas in coal, with examples based on the author's 40 plus years of direct experience - Explains how the same techniques used for production from deep shale activity can produce gas from deep coal seems with the help of enhanced recovery, leading to increased gas production
Author : Ashish Sharma
Publisher :
ISBN 13 : 9781681173764
Total Pages : 0 pages
Book Rating : 4.1/5 (737 download)
Download or read book Fundamentals of Coalbed Methane written by Ashish Sharma and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: We will discuss various aspect of technology for the evaluation and development of coalbed methane (CBM) reservoirs. This article discusses the gas storage and flow mechanism in CBM reservoirs, their differences with conventional gas reservoirs, and their impact on production behavior. In addition, the impact of mechanical properties of coal on CBM reservoirs is discussed. Coalbed methane (CBM) or coal-bed methane is a form of natural gas extracted from coal beds. In recent decades it has become an important source of energy in United States, Canada, Australia, and other countries. The term refers to methane adsorbed into the solid matrix of the coal. It is called 'sweet gas' because of its lack of hydrogen sulfide. The presence of this gas is well known from its occurrence in underground coal mining, where it presents a serious safety risk. Coalbed methane is distinct from a typical sandstone or other conventional gas reservoir, as the methane is stored within the coal by a process called adsorption. The methane is in a near-liquid state, lining the inside of pores within the coal (called the matrix). The open fractures in the coal (called the cleats) can also contain free gas or can be saturated with water.
Author : Pramod Thakur
Publisher : Elsevier
ISBN 13 : 0128165421
Total Pages : 462 pages
Book Rating : 4.1/5 (281 download)
Download or read book Coal Bed Methane written by Pramod Thakur and published by Elsevier. This book was released on 2020-04-06 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coal Bed Methane: Theories and Applications, Second Edition, captures the full lifecycle of a coal bed methane well and offers petroleum geologists and engineers a single source for a broad range of coal bed methane (CBM) applications. The vast coal resources in the United States continue to produce tremendous amounts of natural gas, contributing to a diverse range of energy assets. This book addresses crucial technical topics, including exploration and evaluation of coal bed reservoirs, hydraulic fracturing of CBM wells, coal seam degasification, and production engineering and processing, among others. The book also covers legal issues and permitting, along with an economic analysis of CBM projects. This new edition includes information on new and established research and applications, making it relevant for field geologists and engineers, as well as students. - Edited by a team of coal bed methane experts from industry, academia and government with more than 100 years of combined experience in the field - Contains more than 150 figures, photographs and illustrations to aid in the understanding of fundamental concepts - Presents the full scope of improvements in U.S. energy independence, coal mine safety and greenhouse gas emissions
Author : Pramod Thakur
Publisher : Elsevier
ISBN 13 : 0128010894
Total Pages : 435 pages
Book Rating : 4.1/5 (28 download)
Download or read book Coal Bed Methane written by Pramod Thakur and published by Elsevier. This book was released on 2014-06-14 with total page 435 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coal Bed Methane: From Prospect to Pipeline is the proceedings of the 25th anniversary of the North American Coal Bed Methane Forum. It provides the latest advancements in the production of coal bed methane covering a variety of topics, from exploration to gas processing, for commercial utilization. Additionally, it presents the origin of gas in coal, reservoir engineering, control of methane in coal mines, production techniques, water management, and gas processing. The vast coal resources in the United States continue to produce tremendous amounts of natural gas, contributing to a diverse range energy assets. Following a rapid advancement and subsequent plateau in technological developments, this book captures the full life cycle of a well and offers petroleum geologists and engineers a single source of a broad range of coal bed methane applications. This book addresses crucial technical topics, including exploration and evaluation of coal bed reservoirs; hydraulic fracturing of CBM wells; coal seam degasification; and production engineering and processing, among others. It also covers legal issues, permitting, and economic analysis of CBM projects. - Edited by a team of coal bed methane experts from industry, academia and government who have more than 75 years of combined experience in the field - Authored by well-recognized members of the gas and coal industry, universities, US government departments, such as the Department of Energy and the National Institute of Occupational Safety and Health (NIOSH) - More than 200 figures, photographs, and illustrations aid in the understanding of the fundamental concepts - Presents the full scope of improvements in US energy independence, coal mine safety, and greenhouse gas emissions
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309162939
Total Pages : 239 pages
Book Rating : 4.3/5 (91 download)
Download or read book Management and Effects of Coalbed Methane Produced Water in the Western United States written by National Research Council and published by National Academies Press. This book was released on 2010-10-15 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: In some coalbeds, naturally occurring water pressure holds methane-the main component of natural gas-fixed to coal surfaces and within the coal. In a coalbed methane (CBM) well, pumping water from the coalbeds lowers this pressure, facilitating the release of methane from the coal for extraction and use as an energy source. Water pumped from coalbeds during this process-CBM 'produced water'-is managed through some combination of treatment, disposal, storage, or use, subject to compliance with federal and state regulations. CBM produced water management can be challenging for regulatory agencies, CBM well operators, water treatment companies, policy makers, landowners, and the public because of differences in the quality and quantity of produced water; available infrastructure; costs to treat, store, and transport produced water; and states' legal consideration of water and produced water. Some states consider produced water as waste, whereas others consider it a beneficial byproduct of methane production. Thus, although current technologies allow CBM produced water to be treated to any desired water quality, the majority of CBM produced water is presently being disposed of at least cost rather than put to beneficial use. This book specifically examines the Powder River, San Juan, Raton, Piceance, and Uinta CBM basins in the states of Montana, Wyoming, Colorado, New Mexico, and Utah. The conclusions and recommendations identify gaps in data and information, potential beneficial uses of CBM produced water and associated costs, and challenges in the existing regulatory framework.
Author : Oluwabiyi Michael Olaniran
Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (66 download)
Download or read book Evaluation of Coalbed Methane Resource Potential Using Limited Data written by Oluwabiyi Michael Olaniran and published by . This book was released on 2005 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This study presents the results of the evaluation of the Coalbed Methane (CBM) resource potential of the Cook Inlet Basin using a computer-aided well log analysis of the subsurface data. Coal seams were identified from the well logs. Formation and reservoir fluid properties including porosity, water saturation and net pay thickness of the coal seams were determined. The analysis revealed discontinuous coal seams interspaced largely by mudstone, silt, and sandstone formations within the depth of investigation. The CBM resource (Original Gas In Place) and recoverable reserves were estimated on per acre-foot basis. Monte Carlo simulation was run to refine the estimated CBM reserves and to allow for variations in the measured petrophysical input parameters used in the resource evaluation"--Leaf iii.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309154324
Total Pages : 238 pages
Book Rating : 4.3/5 (91 download)
Download or read book Management and Effects of Coalbed Methane Produced Water in the Western United States written by National Research Council and published by National Academies Press. This book was released on 2010-11-15 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: In some coalbeds, naturally occurring water pressure holds methane-the main component of natural gas-fixed to coal surfaces and within the coal. In a coalbed methane (CBM) well, pumping water from the coalbeds lowers this pressure, facilitating the release of methane from the coal for extraction and use as an energy source. Water pumped from coalbeds during this process-CBM 'produced water'-is managed through some combination of treatment, disposal, storage, or use, subject to compliance with federal and state regulations. CBM produced water management can be challenging for regulatory agencies, CBM well operators, water treatment companies, policy makers, landowners, and the public because of differences in the quality and quantity of produced water; available infrastructure; costs to treat, store, and transport produced water; and states' legal consideration of water and produced water. Some states consider produced water as waste, whereas others consider it a beneficial byproduct of methane production. Thus, although current technologies allow CBM produced water to be treated to any desired water quality, the majority of CBM produced water is presently being disposed of at least cost rather than put to beneficial use. This book specifically examines the Powder River, San Juan, Raton, Piceance, and Uinta CBM basins in the states of Montana, Wyoming, Colorado, New Mexico, and Utah. The conclusions and recommendations identify gaps in data and information, potential beneficial uses of CBM produced water and associated costs, and challenges in the existing regulatory framework.
Author : Caineng Zou
Publisher : Elsevier
ISBN 13 : 0128122358
Total Pages : 508 pages
Book Rating : 4.1/5 (281 download)
Download or read book Unconventional Petroleum Geology written by Caineng Zou and published by Elsevier. This book was released on 2017-03-10 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unconventional Petroleum Geology, Second Edition presents the latest research results of global conventional and unconventional petroleum exploration and production. The first part covers the basics of unconventional petroleum geology, its introduction, concept of unconventional petroleum geology, unconventional oil and gas reservoirs, and the origin and distribution of unconventional oil and gas. The second part is focused on unconventional petroleum development technologies, including a series of technologies on resource assessment, lab analysis, geophysical interpretation, and drilling and completion. The third and final section features case studies of unconventional hydrocarbon resources, including tight oil and gas, shale oil and gas, coal bed methane, heavy oil, gas hydrates, and oil and gas in volcanic and metamorphic rocks. - Provides an up-to-date, systematic, and comprehensive overview of all unconventional hydrocarbons - Reorganizes and updates more than half of the first edition content, including four new chapters - Includes a glossary on unconventional petroleum types, including tight-sandstone oil and gas, coal-bed gas, shale gas, oil and gas in fissure-cave-type carbonate rocks, in volcanic reservoirs, and in metamorphic rocks, heavy crude oil and natural bitumen, and gas hydrates - Presents new theories, new methods, new technologies, and new management methods, helping to meet the demands of technology development and production requirements in unconventional plays
Author : R. A. Koenig
Publisher :
ISBN 13 :
Total Pages : 114 pages
Book Rating : 4.:/5 (29 download)
Download or read book Application of Hydrology to Evaluation of Coalbed Methane Reservoirs written by R. A. Koenig and published by . This book was released on 1989* with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: The overall goal of this research was to determine methods for characterizing coalbed methane reservoirs paying special attention to the unique properties of coal seams. Secondary objectives were to identify the most dominant parameters controlling production of water and gas from coal seams and to select or develop efficient, low-cost techniques to evaluate the dominant parameters. A final objective was to incorporate the proven methods in personal computer software for simple, reliable application.
Author : Ann G. Kim
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.3/5 (91 download)
Download or read book Estimating Methane Content of Bituminous Coalbeds from Adsorption Data written by Ann G. Kim and published by . This book was released on 1977 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Faruk Civan
Publisher : Elsevier
ISBN 13 : 0080471439
Total Pages : 1135 pages
Book Rating : 4.0/5 (84 download)
Download or read book Reservoir Formation Damage written by Faruk Civan and published by Elsevier. This book was released on 2011-08-30 with total page 1135 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reservoir Formation Damage, Second edition is a comprehensive treatise of the theory and modeling of common formation damage problems and is an important guide for research and development, laboratory testing for diagnosis and effective treatment, and tailor-fit- design of optimal strategies for mitigation of reservoir formation damage. The new edition includes field case histories and simulated scenarios demonstrating the consequences of formation damage in petroleum reservoirsFaruk Civan, Ph.D., is an Alumni Chair Professor in the Mewbourne School of Petroleum and Geological Engineering at the University of Oklahoma in Norman. Dr. Civan has received numerous honors and awards, including five distinguished lectureship awards and the 2003 SPE Distinguished Achievement Award for Petroleum Engineering Faculty. - Petroleum engineers and managers get critical material on evaluation, prevention, and remediation of formation damage which can save or cost millions in profits from a mechanistic point of view - State-of-the-Art knowledge and valuable insights into the nature of processes and operational practices causing formation damage - Provides new strategies designed to minimize the impact of and avoid formation damage in petroleum reservoirs with the newest drilling, monitoring, and detection techniques
Author : United States. Congress. Senate. Committee on Energy and Natural Resources
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (327 download)
Download or read book Coalbed Methane Gas written by United States. Congress. Senate. Committee on Energy and Natural Resources and published by . This book was released on 1998 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ruimin Feng
Publisher :
ISBN 13 :
Total Pages : 218 pages
Book Rating : 4.:/5 (13 download)
Download or read book Laboratory-scale Investigation of Permeability and Flow Modeling for Highly Stressed Coalbed Methane Reserovirs Using Pulse Decay Method written by Ruimin Feng and published by . This book was released on 2017 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: The steady flow method (SFM), most commonly used for permeability measurement in the laboratory, is not applicable for tight rocks, higher rank coals and coals under highly stressed condition because of the difficulty in measuring steady-state gas flowrates resulting from the tight rock structure of. However, accurate estimation of permeability of highly stressed coals is pivotal in coalbed methane (CBM) operations in order to precisely and effectively model and project long-term gas production. A fast and accurate permeability measurement technique is, therefore, required to investigate gas flow behavior of CBM reservoirs. The pulse-decay method (PDM) of permeability measurement is believed to be better suited for low-permeability rocks. In this study, application of the currently used pulse-decay laboratory permeability measurement techniques for highly stressed coals were evaluated. Considering the limitations of these techniques in permeability measurement of unconventional gas reservoirs, such as coal and gas shales, the conventional PDM was optimized by adjusting the experimental apparatus and procedures. Furthermore, the applicability of an optimized PDM was verified numerically and experimentally. This dissertation is composed of five chapters. To complete the research objectives as discussed above, it is necessary to have a profound understanding of the basic theories, such as, gas storage mechanism, gas migration, and permeability evolution during gas depletion in coalbed reservoirs. In Chapter 1, a brief discussion regarding the basic knowledge of reservoir properties and transport mechanisms is presented. The chapter also provides the appropriate background and rationale for the theoretical and experimental work conducted in this study. Chapter 2 presents the transient pressure-decay technique in permeability measurement of highly stressed coals and verifies the validity of Brace et al.'s solution (1968) by comparing it with Dicker and Smits's solution (1988) and Cui et al.'s solution. The differences between these three solutions are discussed in detail. Based on the established permeability trends from these different solutions, a persuasive suggestion is presented for selection of the best alternative when testing coal permeability. Furthermore, permeability is regarded as a coupled parameter, resulting from the combined effects of mechanical compression and "matrix shrinkage" caused by desorption of gas. To isolate the role of gas desorption from the coupled result, a series of experiments were carried out under constant effective stress condition and a stress-dependent permeability trend was established. Chapter 3 proposes an optimized experimental design in order to improve the accuracy of the calculated permeability for sorptive rocks. In order to verify the optimized design theoretically, a modified mathematical model is presented and describes the one-dimensional fluid flow in porous media by a partial differential equation. The numerical solutions of the model are presented graphically to evaluate the fluid flow behavior in porous media. Finally, the validity of Brace et al.'s solution when testing sorptive rocks, without the need of consideration on the compressive storage and sorption effect, is elucidated. Chapter 4 demonstrates the efficiency and applicability of the optimized PDM through its direct application to experimental work designed to establish the permeability trend under best replicated in situ conditions. In this chapter, CO2 was used as the test fluid to profile and characterize the pulse decay plots due to its higher affinity towards coal than methane, and then establish the stress-dependent-permeability trend for highly-stressed CBM reservoirs. In this chapter, Brace et al.'s solution was also verified by comparing the laboratory data and computer simulated results obtained from the optimized mathematical model proposed in Chapter 3. The experimental work demonstrates that the optimized technique can be used for permeability tests of sorptive rocks without the need to carry out additional experimental work required to measure rock porosities and sorption isotherms. Finally, a summary and future research perspectives are presented in Chapter 5.
Author :
Publisher :
ISBN 13 :
Total Pages : 516 pages
Book Rating : 4.F/5 ( download)
Download or read book SPE Reservoir Evaluation & Engineering written by and published by . This book was released on 2009 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Long Fan
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (113 download)
Download or read book Fluid Transport Behaviors of Intact Coal and Coal Measure Rocks written by Long Fan and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Coal gas extraction consists of coalbed methane (CBM) recovery from surface drilling boreholes and coal mine methane (CMM) extraction via both surface and subsurface ventholes in conjunction with mining operations. The permeability of a certain fluid in coal reservoirs and its stress response corresponding to dynamic pressure are critical for both effective gas drainage from coal and CBM extractions. For both CMM and CBM applications, the dimensions of fluid flow pathways can range from tens of centimeters to several micrometers, even nanometers. The transport behaviors of fluids in multiscale flow pathways are expected to be dramatically different. Permeability evolution and fluid transportation behaviors in multiscale flow pathways are dominant factors in achieving the successful gas extraction in coal reservoirs. This dissertation focuses on the transport behaviors in multiscale pathways and their applications in CBM and CMM production. For CMM application, a conceptual model of broken rock mass compaction was proposed in this study, based on elastic theory, by simplifying the compression process and assuming the connection between broken rocks is a similar cubic mass without a large void space. Compacted rock mass permeability evolution was modeled based on the cubic law of porosity and permeability. The predicted permeability evolution by a coupled model is similar with reported experimental results. Compared to intact rock mass, we found that the stress-strain curve of compacted rock mass takes a longer stress-strain path to reach the linearity due to void space compaction resulting from friction slipping and re-arrangement of the grains. In addition, the permeability variation under the overburden cyclic loading-unloading process was experimentally investigated in the lab. An average permeability damage concept with a complete loading-unloading cycle was introduced to quantify the effects of maximum stress, loading path, holding time period, and gas type on permeability evolution. It was demonstrated that the permeability hysteresis occurred during the cyclic loading-unloading, and that the average permeability damage was subject to the loading-unloading paths. The average permeability damage for the coal specimen was more sensitive to maximum loading stress and the loading-unloading path compared to gas injection pore pressure and the holding period. For CBM production, the sorption induced swelling/shrinkage effect was numerically simulated based on a gas-solid coupling model incorporated with swelling effect to evaluate the horizontal stress relaxation under uniaxial strain conditions during depletion. Unlike the elastic strain, the sorption-induced strain showed a non-linear behavior with continuous sorbing gas injections, and these two types of strains were engaged in a competitive process of volumetric change for the coal. It was found that the simulated results of volumetric change under the hydrostatic condition well agreed with experimental data. To better understand frictional sliding behavior and permeability evolution in well-cleated coal, sliding friction measurements were conducted using artificially generated coal fractures. Various fluids (helium, carbon dioxide, water, and moisturized methane) were injected into coal to investigate the dynamic characteristics of friction coefficients and permeability evolution during faulting. Unlike the traditional view of stress-based fault reactivation, our results demonstrated that the initial sliding reactivation stress on the coal was not only pressure dependent but also fluid-type dependent.
