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Development trend of marine shale gas reservoir evaluation and a suitable comprehensive evaluation system

Natural Gas Industry B, 2020
At present, shale gas exploration and development in China is faced with some problems, such as the imperfect evaluation system of reservoir effectiveness and the limitations of reservoir evaluation system on efficient development of shale gas.
Yuqiang Jiang, Yonghong Fu, Jun Xie, Dazhong Dong, Keming Zhou, Xiaoyan Cheng, Lin Qi, Haijie Zhang, Chao Chen, Tinghu Ma, Yifan Gu   +10 more
doaj   +3 more sources

Genesis analysis and effective development of normal pressure shale gas reservoir: A case of Wufeng-Longmaxi shale gas reservoir in southeast margin of Sichuan Basin [PDF]

Youqicang pingjia yu kaifa, 2023
There are two types of shale gas reservoirs in the Wufeng-Longmaxi shale formation of southeast margin of Sichuan Basin: normal pressure shale gas reservoir in Wulong residual syncline and abnormal over-pressure shale gas reservoir in Fuling anticline ...
XUE Gang, XIONG Wei, ZHANG Peixian
doaj   +2 more sources

Iteratively Coupled Flow and Geomechanics in Fractured Poroelastic Reservoirs: A Phase Field Fracture Model

Geofluids, 2021
Fluid-solid coupling in fractured reservoirs plays a critical role for optimizing and managing in energy and geophysical engineering. Computational difficulties associated with sharp fracture models motivate phase field fracture modeling.
Jinzhou Zhao, Qing Yin, John McLennan, Yongming Li, Yu Peng, Xiyu Chen, Cheng Chang, Weiyang Xie, Zhongyi Zhu   +8 more
doaj   +1 more source

Borehole wall tensile caving instability in the horizontal well of deep brittle shale

Science Progress, 2021
Introduction: With the increasing drilling depth of shale formation, downhole collapse is a frequent occurrence, which often manifests as borehole wall caving.
Yu Fan, Shuai Cui, Houbin Liu, Pengcheng Wu, Xudong Wang, Chengxu Zhong, Yingfeng Meng   +6 more
doaj   +1 more source

Study on Postfrac Softening Mechanism of Deep Marine Shale Reservoir in South Sichuan Basin

Geofluids, 2023
Shale softening is an important factor affecting fracturing effect. Through the Brinell hardness measurement of deep marine shale reservoir in South Sichuan Basin, the softening mechanism of shale after fracturing is explored.
Zhou Xiaojin, Duan Yonggang, He XiaoPing, Zeng Bo, Song Yi   +4 more
doaj   +1 more source

A Novel Experimental Study on Conductivity Evaluation of Intersected Fractures

Energies, 2022
Massive hydraulic fracturing (MHF) is currently the most effective technology used to create fracture networks with sufficient conductivity and maximize the stimulated reservoir volume (SRV) in tight oil and gas reservoirs.
Haitao Wang, Chen Chen, Yiming Yao, Jingrui Zhao, Qijun Zeng, Cong Lu   +5 more
doaj   +1 more source

New Insight into Enhancing Organic-Rich Shale Gas Recovery: Shut-in Performance Increased through Oxidative Fluids

Energies, 2023
Oxidizing stimulation of organic-rich shale reservoirs, as a supplement of hydraulic fracturing, was proposed to enhance shale gas recovery. Previous publications revealed that the interaction between organic-rich shale and oxidative fluids causes the ...
Qiuyang Cheng, Lijun You, Na Jia, Yili Kang, Cheng Chang, Weiyang Xie   +5 more
doaj   +1 more source

An optimization model for conductivity of hydraulic fracture networks in the Longmaxi shale, Sichuan basin, Southwest China

Energy Geoscience, 2020
Shale gas is an important unconventional resource. The economic recovery of shale gas is only possible when a fracture network with sufficient conductivity is created by hydraulic fracturing, that, if effectively propped, connects fracturing fractures ...
Zhihong Zhao, Kaidi Wu, Yu Fan, Jianchun Guo, Bo Zeng, Wenhan Yue   +5 more
doaj   +1 more source

Reservoir characteristics and pore fluid evaluation of Shan 23 Submember transitional shale, eastern Ordos Basin, China: Insights from NMR experiments

Frontiers in Earth Science, 2023
The Lower Permian Shanxi Formation in the Eastern Ordos Basin is a set of transitional shale, and it is also a key target for shale gas exploration in China.
Guangyin Cai, Guangyin Cai, Guangyin Cai, Yifan Gu, Yifan Gu, Yifan Gu, Xianyue Xiong, Xingtao Li, Xiongwei Sun, Jia Ni, Yuqiang Jiang, Yuqiang Jiang, Yuqiang Jiang, Yonghong Fu, Yonghong Fu, Yonghong Fu, Fang Ou   +16 more
doaj   +1 more source

Investigation on Nonuniform Extension of Hydraulic Fracture in Shale Gas Formation

Geofluids, 2021
Hydraulic fracturing with multiple clusters has been a significant way to improve fracture complexity and achieve high utilization of shale formation. This technology has been widely applied in the main shale area of North America.
Zhiheng Zhao, Youcheng Zheng, Yili Kang, Bo Zeng, Yi Song   +4 more
doaj   +1 more source