Results 11 to 20 of about 3,670 (71)

Progress and prospect of CNOOC's oil and gas well drilling and completion technologies

Natural Gas Industry B, 2022
Offshore oil and gas production has become an important growth pole to ensure national energy security. However, China's offshore oil and gas production is lack of key core technologies and weak in tool and equipment foundation and can hardly support the
Zhong Li, Renjun Xie, Yi Wu, Junliang Yuan   +3 more
doaj   +1 more source

Popularization and application of the capillary foam deliquification technology in horizontal wells with low pressures and low liquid flow rates: A case study on middle–shallow gas reservoirs in the Western Sichuan depression

Natural Gas Industry B, 2019
The application effect of the foam deliquification technology in horizontal wells is poor because the foaming agent fails to reach the target location.
Tong Liu, Xingfu Zhou, Hailong Chen, Guangliang Lu, Zhejun Zhao, Dayong Liu, Yang Du   +6 more
doaj   +1 more source

Integrity tests of cement sheath for shale gas wells under strong alternating thermal loads

Natural Gas Industry B, 2020
During large-scale hydraulic fracturing in shale gas horizontal wells, a cement sheath easily loses its integrity due to the fluctuation and continuous change of wellbore temperature and pressure and the cyclic loading and unloading, which will threaten ...
Yuanhua Lin, Kuanhai Deng, Hao Yi, Dezhi Zeng, Liang Tang, Qi Wei   +5 more
doaj   +1 more source

Is the implementation of energy savings and EROI increasing policy really effective in Russian gas companies? The case of JSC “Gazprom”

Natural Gas Industry B, 2019
Natural gas resources production in Russia is profitable, both economically and in terms of the energy produced. In 2017, the Gazprom Return on Energy Investment (further- EROI) for the production, transportation, and processing was 79:1 that is a high ...
Steblyanskaya Alina, Zhen Wang, Denisov Artem, Rybachuk Maxim, Razmanova Svetlana   +4 more
doaj   +1 more source

New progress in wastewater treatment technology for standard-reaching discharge in sour gas fields

Natural Gas Industry B, 2018
Gas field water is generally characterized by complex contaminant components and high salinity. Its proper treatment has always been the great concern in the field of environmental protection of oil & gas fields.
Jie Yang, Qigui Xiang
doaj   +1 more source

Diagenetic differences of the Zhenzhuchong Member of Ziliujing Formation in the Jiulongshan–Jiange area, Sichuan Basin

Natural Gas Industry B, 2015
The rocks of the Zhenzhuchong Member of the Ziliujing Formation, Jiulongshan–Jiange area in the Sichuan Basin, were analyzed by petrography, XRD, and SEM techniques to investigate their diagenetic history and properties, such as authigenic mineral types,
Mingcai Hou, Wenkai Wang, Hualing Ma, Ting Wang, Benjian Zhang   +4 more
doaj   +1 more source

Relationship between gas reservoir distribution and structural system of upper Triassic Xujiahe Fm in the Sichuan Basin

Natural Gas Industry B, 2019
The gas reservoir of Upper Triassic Xujiahe Fm in the Sichuan Basin is characterized by “accumulation in the early stage, entrapment in the middle stage and activation in the late stage”.
Shu Liu, Xingguo Ren, Shengxian Yao, Ziping Liu, Meng Ning, Xin Wang, Xiaohui Huang   +6 more
doaj   +1 more source

Characteristics of Dengying Fm sedimentary sequence in the central–western Sichuan Basin and their controlling effect on gas accumulation

Natural Gas Industry B, 2016
A large gas reservoir in the Sinian Dengying Fm was recently discovered in Anyue area, central Sichuan Basin. In order to promote the oil and gas exploration in this area, it is of great significance to sustainably deepen the analysis on its high-quality
Long Wen, Yueming Yang, Chuanqiang You, Xihua Zhang, Hanlin Peng, Wenzhi Wang, Bing Luo, Wenjun Luo   +7 more
doaj   +1 more source

Evaluation of the heat extraction performance of an abandoned well pattern in multilayer commingled production oil reservoirs

Natural Gas Industry B, 2022
Oilfield geothermal energy is one important part of geothermal resources, and it can be developed and used for power generation and heating. The geothermal reserves and production of multi-layer sandstone oil reservoirs account for 50% of the total ...
Xianzhi Song, Fuqiang Xu, Jiayan Ji, Yu Shi   +3 more
doaj   +1 more source

Technical advances in well type and drilling & completion for high-efficient development of coalbed methane in China

Natural Gas Industry B, 2022
Compared with the United States, Australia, Canada, and other countries, China's coalbed methane reservoir is featured by low formation pressure, low permeability, low gas saturation, and strong heterogeneity, which not only increases the difficulty of ...
Deli Gao, Yansen Bi, Bao'an Xian
doaj   +1 more source