Results 51 to 60 of about 2,300,291 (174)

Study on Fluid Pressure in Tubing, Dynamic Stress in Reservoir, and Fracture Propagation Morphology During Variable‐Rate Hydraulic Fracturing

Energy Science &Engineering, EarlyView.
Variable‐rate hydraulic fracturing can induce unsteady flow in the tubing, thereby generating fluctuating fluid pressure near the bottom‐hole reservoir. Dynamic stress is generated in the reservoir under the action of fluctuating fluid pressure and propagates as stress waves.
Zhu Ge, Wang Chaojing, Li Weicheng
wiley   +1 more source

Investigation into the microscopic mechanism underlying formation damage induced by the reinjection of oil-bearing wastewater

Frontiers in Earth Science
The reinjection of treated oilfield water into formations stands as one of the commonly employed methods in oilfield water injection development. However, certain treated waters contain a substantial number of suspended oil droplets, which can lead to ...
Chao Tang, Chao Tang, Chao Tang, Ke Du, Ke Du, Ke Du, Gongshuai Guan, Gongshuai Guan, Gongshuai Guan, Xiangfu Gai, Xiangfu Gai, Xiangfu Gai, Guo Li, Guo Li, Guo Li, Qingsong Li, Qingsong Li, Qingsong Li, Lichao Wang, Lichao Wang, Lichao Wang, Hongguang Guo, Hongguang Guo, Hongguang Guo, Wenping Sun, Wenping Sun, Wenping Sun, Chao Gao, Chao Gao, Chao Gao, Weiwei Xu, Weiwei Xu, Weiwei Xu, Zhuoyuan Lu, Junwei Su, Dengke Liu   +35 more
doaj   +1 more source

A Comparison of Screening Methods for Assessing Legacy Wells Within CO2 Storage Licences: Application to Offshore Norway

Greenhouse Gases: Science and Technology, EarlyView.
ABSTRACT Legacy wells represent a critical consideration for offshore CO2 storage projects, as they may provide potential pathways for fluid or gas migration if poorly constructed, undocumented or inadequately abandoned. Systematically assessing large numbers of legacy wells remains challenging due to heterogeneous data availability and the diversity ...
Benjamin Emmel, Ole‐Andre Roli, Maxence Vergne, Guilhem Hauguel, Bastien Dupuy   +4 more
wiley   +1 more source

Post-fracturing numerical simulation of shale gas reservoir based on complex flow mechanisms

, 2020
In shale gas reservoirs with natural fractures, the artificial fractures and natural fractures communicate with each other after fracturing. The traditional dual media model can not accurately reflect the impact of natural fractures on well production ...
CHEN Zuhua, MA Bo, WANG Wei, REN Jianhua, YAO Jun, MEI Junwei, LI Yang   +6 more
core   +1 more source

Fluid–Solid Coupling Simulation and Field Flow Response of Separate-Layer Fracturing in Vertically Heterogeneous Thick Shale: Insights from the Qiongzhusi Formation

Fluids
The Qiongzhusi Formation, a thick and vertically heterogeneous marine shale sequence in southern China, presents substantial obstacles to efficient hydraulic stimulation when conventional horizontal-well staged fracturing is applied, owing to marked ...
Li Ma, Yi Song, Jianfa Wu, Cheng Shen, Junfeng Li, Jianchun Guo   +5 more
doaj   +1 more source

Seismic Sequence Stratigraphy Applied to Reservoir Recognition and Evolution on Marine Carbonatic Ramp—Macaé Group (Albian to Cenomanian) of Campos Basin

Geological Journal, EarlyView.
A classic oil producing interval of the Campos Basin—Macaé Group is revisited through seismic stratigraphic analysis, providing a stratigraphic framework, characteristic depositional and relative time positioning for several complex structural settings.
Renata Alvarenga, Juliano Kuchle, Francyne Amarante, Garibaldi Armelenti, Claiton Marlon dos Santos Scherer, Luiz Fernando De Ros, Bruno de Souza Silva, Igor Marzano, Márcia Karam, Candy Shirley Rosa Contreras, João Claudio Conceição, José Luis Drummond Alves, Luiz Landau   +12 more
wiley   +1 more source

Experimental Analysis of Shale Cuttings Migration in Horizontal Wells

Applied Sciences
The extraction of shale gas via horizontal drilling presents considerable challenges, primarily due to the accumulation of cuttings within the annular space, resulting in increased friction, torque, and potential drilling complications.
Qiang Fang, Mingyu Ma, Dong Xiao, Ming Wang, Xiaoqi Ning   +4 more
doaj   +1 more source

Introducing a ramped pyrolysis/oxidation‐14CO2 analysis system operated with mobile molecular sieve traps

Limnology and Oceanography: Methods, EarlyView.
Abstract A novel instrument for the thermal degradation of sedimentary organic matter was set up at the Alfred Wegener Institute (AWI) in Bremerhaven, Germany, with the aim of enabling Ramped Pyrolysis/Oxidation‐14C analysis as direct CO2 gas measurement.
Laura Kattein, Malte Höhn, Hendrik Grotheer, Torben Gentz, Gesine Mollenhauer   +4 more
wiley   +1 more source

Suggestions on the development strategy of shale gas in China [PDF]

, 2016
From the aspects of shale gas resource condition, main exploration and development progress, important breakthrough in key technologies and equipment, this paper systematically summarized and analyzed current situation of shale gas development in China ...
Dong, Dazhong, Guan, Quanzhong, Huang, Shipeng, Liu, Dexun, Zhang, Chenchen, Junwei Zheng, Wang, Shufang, Qiu, Zhen, Dexun Liu, Dai, Jinxing, Jianming Gong, Yuman Wang, Jinxing Dai, Shufang Wang, Zheng, Junwei, Shipeng Huang, Wang, Yuman, Chenchen Zhang, Gong, Jianming, Huang, Jinliang, Xinjing Li, Jinliang Huang, Li, Xinjing, Quanzhong Guan, Dazhong Dong, Caineng Zou, Zhen Qiu, Zou, Caineng   +27 more
core   +1 more source

Application of log evaluation technology in Weirong Deep Shale Gas Field

Youqicang pingjia yu kaifa, 2021
The lithology, physical property, gas bearing property and other characteristics of shale gas reservoir are obviously different from those of conventional oil and gas reservoir, so the traditional conventional logging technology and the method of log ...
Zhong Wenjun, Xiong Liang, Li Hong, Dong Xiaoxia, Zhou Jing   +4 more
doaj