Results 31 to 40 of about 17,726 (239)

Fault tree analysis and prevention strategies for gas explosion in underground coal mines of Pakistan [PDF]

, 1971
Purpose. Gas explosion in the underground coal mines of Pakistan is the main source of coal miners’ mortalities. The purpose of this article is to analyze the main causes of gas explosion in the underground coal mines of Pakistan. Methods.
Shahani, N.M., Sajid, M.J., Zheng, X, Jiskani, I.M., Brohi, M.A., Ali, M, Ullah, B, Qureshi, A.R.   +7 more
core   +1 more source

Drainage system research and application of deep coalbed methane gas reservoirs in Daning-Jixian block

Meitan xuebao
Compared to Medium-shallow coalbed methane, deep coalbed methane exhibits significant differences in occurrence state, production mechanism, lifting technology, etc.As an important part of coalbed methane development, drainage directly impact the gas ...
Ming CHEN, Dameng WANG, Lizhu YU, Junyi SUN, Xin FENG, Kang ZHANG, Xianfeng GU, Liwei WANG, Zesong YIN, Huan ZHANG   +9 more
doaj   +1 more source

A discussion on CBM development strategies in China: A case study of PetroChina Coalbed Methane Co., Ltd.

Natural Gas Industry B, 2019
In recent years, the growth rate of coalbed methane (CBM) industry in China has slowed down. In order to promote its development, it is in urgent need to do the researches focusing on enhancing domestic CBM industry.
Shengming Wen, Ke Zhou, Qian Lu
doaj   +1 more source

Independent Expert Scientific Panel – Report on Unconventional Oil and Gas [PDF]

, 2014
No abstract ...
Curran, J., Gatliff, R., Haszeldine, R.S., Masters, C., Shipton, Zoe, Sorbie, K., Stuart, F., Waldron, S., Younger, P.L.   +8 more
core   +1 more source

Increasing Sorption Isotherms Accuracy: Weibull Modelling and Linear Regression [PDF]

, 2015
http://sherpa.ac.uk/romeo/search.php?issn=0144-5987Relying on an adequate mathematical approach, two different mathematical procedures can be applied to the huge database produced during gas sorption isotherm experiments in order to obtain accurate data ...
Dinis, Maria Alzira Pimenta, Lemos de Sousa, M. J., Rodrigues, Cristina   +2 more
core   +1 more source

Fracturing interference behavior and mechanism of deep coalbed methane horizontal wells in the Daning-Jixian Block

Meitan kexue jishu
In order to accurately understand the effects of fracturing interference on deep CBM horizontal wells, 18 groups of fracturing interference events and their effects on 18 disturbed wells and 13 interfering wells in Daning-Jixian block were systematically
Haiyan CHAO, Ze LI, Huaibin ZHEN, Lele GUO, Hui ZHANG   +4 more
doaj   +1 more source

Analysis of factors affecting the productivity of coalbed methane wells in Houxia Basin, Xinjiang

Meikuang Anquan
The coalbed methane production of single-well varies widely and low in Houxia Basin, Xinjiang, indicating complexity control factors on the coalbed methane productivity. The statistical analysis, linear regression method and grey correlation mathematical
Peng LI, Xiaojun LI, Zhimin TU, Yanqian CHE, Xinlong CHANG, Teng LI   +5 more
doaj   +1 more source

Analysis of recovery rate for underground coal gasification based on strength and permeability

Meitan xuebao, 2023
The medium and deep underground coal gasification (UCG) is a new technology of coal utilization, and there is still lack of criterions to evaluate recovery rate.
Pengcheng HAO, Chuangye WANG, Meng LIU, Wangkun CAO, Xiang LI, Shuxia YUAN, Song WU, Wenjiao QI   +7 more
doaj   +1 more source

Design and Application of Fluid Pump Drainage Gas Recovery Technology in Dongsheng Gas Field

Shiyou jixie
To effectively address the bottleneck problems of high injection pressure and high energy consumption of hydraulic jet pump technology， it is urgent to improve and optimize the drainage gas recovery technology of high water-production gas wells.
Zhou Ruili, Luo Yi, Qiao Qianyu, Wu Weiran, Yang Feishan, Zhao Rundong, Xue Zhaoyang   +6 more
doaj   +1 more source

Hydrogeological condition patterns of Kuznetsk Basin coalbed methane fields for estimating hydrodynamic calculations [PDF]

, 2016
The paper describes the natural regional conditions and key formation factors of groundwater dynamics. Characteristic hydrogeological structure elements for Kuznetsk Basin coal were identified providing parameter-oriented hydrodynamic calculations and ...
Bogdanova, Anna Gennadievna, Gridasov, Alexander, Kuzevanov, Konstantin Ivanovich   +2 more
core   +1 more source