Results 1 to 10 of about 21,666 (206)
Natural Gas Industry B, 2021 With the rapid development of shale gas exploration and development in China, casing deformation in shale gas horizontal wells happens frequently, which directly impacts the development efficiency and benefits of shale gas.
Ping Zhang +10 more
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Casing deformation mechanisms of horizontal wells in seismically active zones: a comprehensive analysis [PDF]
Scientific ReportsThe Sichuan basin’s shale gas fields demonstrate elevated seismic activity, which poses a significant challenge in the development of shale gas. Besides, casing deformation emerges as a prominent concern, leading to substantial disruptions in shale gas ...
Hu Meng +7 more
doaj +2 more sources
Energies, 2022 Casing deformation is a common but serious problem experienced during hydraulic fracturing operations in shale reservoirs. The Multi-Finger Imaging Tool is used to measure the casing deformation where the casing inner diameter is the only parameter used ...
Kongyang Wang +5 more
doaj +3 more sources
Petroleum Exploration and Development, 2023 Based on structural distribution and fault characteristics of the Luzhou block, southern Sichuan Basin, as well as microseismic, well logging and in-situ stress data, the casing deformation behaviors of deep shale gas wells are summarized, and the casing
Lingling HAN +7 more
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Investigating the causes of casing deformation induced by faults and natural fractures in shale gas platform wells. [PDF]
PLoS ONEDuring the development of deep shale gas in Luzhou, southern Sichuan, faults and natural fractures caused extensive casing shear deformation, including those that happen during hydraulic fracturing and those that occur prior to fracturing. To investigate
Juncheng Zhang +6 more
doaj +2 more sources
Research on the mechanism of fault sliding casing damage under the effect of water immersion deterioration of rock mass [PDF]
Scientific ReportsHydraulic fracturing-induced casing deformation has garnered significant attention, yet the effects of water immersion-induced rock deterioration remain underexplored.
Yaosheng Zhang +4 more
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Hydraulic fracturing induced casing shear deformation and a prediction model of casing deformation
Petroleum Exploration and Development, 2021 To study the casing deformation (CD) in shale gas well fracturing caused by natural fracture slip, a fracture face stress model is built based on stress analysis, and a CD prediction model is established based on complex function to analyze factors affecting wellbore shear stress and CD.
Qianli Lu, Jianchun Guo
exaly +3 more sources
Numerical investigation on the penetration process of steel casings in riprap environment of estuarine mudflats [PDF]
Scientific ReportsThe widespread distribution of riprap in estuarine mudflats has brought significant challenges to the penetration construction of steel casings. To reveal the effects of casing length, diameter and wall thickness on the stress and deformation, as well as
Weishun Zhao +13 more
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Natural Gas Industry B, 2017 Casing deformation occurs during the development of Changning–Weiyuan national shale gas demonstration Area in the Sichuan Basin. In view of this, the correlation between the casing deformation and the geological characteristics as well as hydraulic ...
Zhaowei Chen, Lin Shi, Degui Xiang
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Simulation on wellbore integrity at casing shoe during fracturing for shale gas wells [PDF]
ITM Web of Conferences, 2022 Wellbore integrity is significant to maintain and improve the production performances of shale wells. In Duvernay Canada, casing deformation near the top of Ireton with a few natural faults and cracks is severe during multi-fracturing.
Guo Xueli +5 more
doaj +1 more source