Results 11 to 20 of about 162 (141)

Numerical Simulation of Choke Size Optimization in a Shale Gas Well

Geofluids, 2022
To optimize the flowback system of shale gas horizontal wells after fracturing and to maximize the production capacity of gas wells, pipe flow and flowback models of shale gas multistage fractured horizontal wells were established based on the actual ...
Jianfa Wu, Xuefeng Yang, Yunting Di, Peiyun Li, Jian Zhang, Deliang Zhang   +5 more
doaj   +2 more sources

Test and analysis on the permeability of induced fractures in shale reservoirs

Natural Gas Industry B, 2018
In order to improve the effectiveness of shale gas stimulated reservoir volume (SRV), it is necessary to evaluate and study the permeability of different types of induced fractures in shale and its influential factors.
Congbin Yin
doaj   +2 more sources

Study on rock mechanics characteristics and fracture conductivity of shale reservoirs in Chang 7 member of Ordos Basin

Youqicang pingjia yu kaifa
Shale oil, as an unconventional oil and gas resource, has become a global hotspot for energy extraction. However, shale oil reservoirs are characterized by low porosity and low permeability, making it difficult for traditional extraction technologies to ...
LIU ZHICHAO, LAI FENGPENG, DOU LIANGBIN, ZHANG LINLIN   +3 more
doaj   +2 more sources

Influence of water-rock interaction on stress sensitivity of organic-rich shales: A case study from Longmaxi formation in the southeast area of Chongqing

Youqicang pingjia yu kaifa, 2019
The production of shale gas is a complex and multiscale process that spans a variety of scales and goes through a variety of mass transfer mode. The stress sensitivity of each path has an important influence on the mass transfer of shale gas.
KANG Yili, BAI Jiajia, LI Xiangchen, CHEN Mingjun, YOU Lijun, LI Xinlei, LI Qing, FANG Dazhi   +7 more
doaj   +2 more sources

Influence of Proppant Size on the Proppant Embedment Depth

ACS Omega, 2022
Hydraulic fracturing is a well stimulation technique involving the fracturing of bedrock formations by a pressurized liquid, in which proppants are added to keep the fracture open after the fracturing operation. The scale discrepancy between the rock specimen and the proppant may bring deviations in the analysis of proppant embedment depth if the fluid-
Xiang Ding, Tianyu Wang, Mengyun Dong, Na Chen   +3 more
openaire   +2 more sources

Numerical Modeling of Proppant Embedment in Viscoelastic Formations with the Fractional Maxwell Model [PDF]

ACS Omega, 2021
Hydraulic fracturing is often used to exploit unconventional hydrocarbons, and proppants are usually added during hydraulic fracturing to keep the fractures induced open. Nevertheless, time-dependent proppant embedment has often been neglected in previous studies.
Xiang Ding, Fan Zhang, Na Chen, Yan Zhang   +3 more
openaire   +3 more sources

Theoretical Analysis of Proppant Embedment and Fracture Conductivity in Fractured Reservoir [PDF]

IOP Conference Series: Earth and Environmental Science, 2021
Abstract Proppant embedment mainly accounts for diminishing fracture aperture and conductivity. The conductivity decrease could greatly restrict fluid flow, thereby affecting the well performance. In this paper, new mathematical models are derived to calculate the proppant embedment and fracture conductivity after hydraulic fracturing ...
Youyu Wan, Tengfei Hou, Changkun Cheng, Hai Lin, Xiangtong Yang, Shiduo Liu, Tingsong Xiong, Yang Zhang, Yu Ye, Xinyuan Feng   +9 more
openaire   +1 more source

Preliminary Studies on the Proppant Embedment in Baltic Basin Shale Rock [PDF]

Rock Mechanics and Rock Engineering, 2021
AbstractProppant embedment is a serious issue that reduces fracture width and conductivity. The paper presents the results of experiments on embedment phenomena on a shale rock from the region of the Baltic Basin, which is regarded as an unconventional gas deposit.
Mateusz Masłowski, Małgorzata Labus
openaire   +1 more source

Influence of proppant embedment on fracture conductivity

IOP Conference Series: Earth and Environmental Science, 2020
Abstract Using the national invention patent equipment, the proppant embedment experiment was carried out on the formation coal seam. The effects of proppant embedment on the conductivity of cracks under different proppant types, different proppant particle sizes, different sanding concentrations and different closing pressures were ...
Kui Zhang, Yunwei Kang, Xiaodong He, Zixi Guo, Gang Tian   +4 more
openaire   +1 more source

Experimental Evaluation on the Conductivity of Branch Fracture with Low Sand Laying Concentration and Its Influencing Factors in Shale Oil Reservoirs

Lithosphere, 2021
The productivity of shale oil reservoirs is mainly determined by the hydraulic fractured reservoir volume. The branch fractures with low sand laying concentration are the main channels connecting the shale matrix and the main fractures.
Yong Meng, Zenglin Wang, Liaoyuan Zhang, Chuan He, Ronghua Wen, Liang Zhang   +5 more
doaj   +1 more source