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Coalbed methane

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Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, April 5–7, 2005
Paper Number: SPE-93160-MS
... Proposal Sequestration of CO2 in deep unmined coal seams is currently under development for improved recovery of coalbed methane (ICBM) as well as permanent storage of CO2. Recent studies have shown that CO2 displaces methane by adsorbing more readily onto the coal matrix compared to other...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19229-MS
... Abstract In order to solve the problems of poor adaptability of reservoir stimulation technology and low gas production of single well in high-rank coalbed methane (CBM) reservoir, a new concept of "methane-leading" reservoir stimulation technology and the corresponding technology method system...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 19–22, 2010
Paper Number: SPE-141129-STU
... Abstract Methane production from coalbed methane (CBM) fields started as a method for keeping coal mining safe from explosions. Major CBM fields are located in San Juan, Powder River, Forest City, Black Worrier and Illinois. Majority of the US natural gas production comes from coalbed methane...
Proceedings Papers

Paper presented at the SPE Unconventional Gas Recovery Symposium, May 16–18, 1982
Paper Number: SPE-10804-MS
... of coalbed methane in a particular basin. particular basin Introduction Ever since the methane which is trapped in coalbeds has been recognized as a natural gas resource, considerable effort has gone into delineation studies. For the most part, and especially in the western coalbeds of the United States...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205903-MS
... the prediction results by GRU and improve the accuracy. Finally, the combined neural-network outputs the production prediction ( X t+1 ) at the time step t+1 . Figure 1 Schematic of a GRU-MLP combined neural network Neural Network Architecture Optimization Abstract Abstract Coalbed methane...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1843
... ABSTRACT: Coalbed methane (CBM) is one of the important unconventional gas resources in the worldwide. However, we are still facing the challenge of low gas production rate for a single well. Here, we proposed a new completion method: horizontal cavity completion achieved by abrasive water jet...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21451-MS
... Abstract The Coalbed Methane in Australia Surat Basin is main gas source for LNG project in east coast of Australia [ 1 ] . Traditionally, Coalbed Methane are drilled by vertical wells. But there are big intensively farmed land coverage in the Surat Basin, the multiple wells on single...
Proceedings Papers

Paper presented at the SPE/IADC Managed Pressure Drilling and Underbalanced Operations Conference and Exhibition, October 29–30, 2020
Paper Number: SPE-200515-MS
... Abstract Horizontal drilling in the Fruitland Formation, a Coalbed Methane (CBM) play located in the San Juan Basin (SJB), found across the states of Colorado and New Mexico can present a number of drilling and production challenges. Examples of these challenges include wellbore instability...
Journal Articles
SPE Res Eval & Eng 23 (01): 177–186.
Paper Number: SPE-195672-PA
Published: 17 February 2020
...Huihuang Fang; Shuxun Sang; Shiqi Liu Summary Pores and fractures are important components in coal that provide storage space and migration channels for coalbed methane (CBM). To study the importance of pores and fractures to CBM, a combined technique of focused‐ion‐beam scanning electron...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-19664-MS
... Many operators are developing coalbed methane (CBM) reservoirs from Ordos basin on a regular basis, and fracturing is one of the key measures to increase production from this unconventional resource. Despite the long history and large volume for CBM fracturing stages in the past...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Asia Pacific Unconventional Resources Technology Conference, November 18–19, 2019
Paper Number: URTEC-198274-MS
... Reserve and formation evaluation are the basis to the development of coalbed methane (CBM) reservoirs. To date, material balance methods and productivity analysis methods are mainly used to estimate the reserve and permeability, respectively. However, there are lack of methods for determining...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29877-MS
... of contributing to the successful development of coalbed methane (CBM) reservoirs, which is an indispensable member of the family of unconventional gas reservoirs, a novel production prediction model is proposed for fractured vertical CBM wells. The main difference of the research compared with previous excellent...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-92-MS
... Abstract To investigate the feasibility and advantages of microwave heating method in the development of coalbed methane (CBM), three different microwave heating parameters that were heating time, output power and water content were applied. Firstly, the temperature of coal samples under...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-453-MS
... Compressive Strength, UCS). Second, a training data set, built via a commercial geomechanics software, is invoked to translate apparent UCS into mud weight. The practicality and reliability of this approach is validated with a case study utilizing a dataset from the Fruitland Coalbed Methane (CBM) in the San...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2159
... ABSTRACT: China possesses vast potential in coalbed methane (CBM) resources, yet more than half of the CBM bearing formations are heavily crushed into large amounts of cataclastic or pulverized coal, which usually means low strength, developed coal cleats and natural fractures. Field...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1710
... ABSTRACT: Coalbed methane (CBM) is an important global energy resource. However, caused by its low permeability, reservoir stimulation methods must be taken. Cyclic liquid nitrogen (LN 2 ) fracturing is an innovative fracturing technique to induce fracture networks by means of cyclic thermal...
Proceedings Papers

Paper presented at the SPE Oil and Gas India Conference and Exhibition, April 9–11, 2019
Paper Number: SPE-194569-MS
... research contents regarding coalbed methane (CBM), i.e., one of the unconventional gas reservoirs, are currently heat and essential topics. Without any doubt, precise determination of coal permeability will dramatically contribute to the development efficiency of CBM reservoirs. It should be noted...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19203-MS
... Lei Qun , Li Jingming , Zhao Qingbo , Theory and Practice of Coalbed Methane Exploration and Development , Petroleum Industry Press , 2007 , 21 – 25 Shan Xuejun , Zhang Shicheng , Li Anqi . Analysis on the Rules of Induced Fracture Propagation in CBM...
Journal Articles
Journal: SPE Journal
SPE J. 24 (02): 681–697.
Paper Number: SPE-194021-PA
Published: 08 November 2018
...Zheng Sun; Juntai Shi; Keliu Wu; Tao Zhang; Dong Feng; Xiangfang Li Summary Low-permeability coalbed-methane (CBM) reservoirs possess unique pressure-propagation behavior, which can be classified further as the expansion characteristics of the drainage area and the desorption area [i.e...
Proceedings Papers

Paper presented at the SPE Annual Caspian Technical Conference and Exhibition, October 31–November 2, 2018
Paper Number: SPE-192552-MS
... Abstract Logging wells drilled in coalbed methane reservoirs (CBM) is a common practice in the industry. As a rule of thumb, the logging suite comprised of standard methods is run to identify coal layers for subsequent degasification. However, given the increased popularity of the commercial...

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