The shale slip, cement failure and micro annulus caused by hydraulic fracturing in shale gas
well may generate local loads which have significant effects on the stress status and yield of …

Volume fracturing technique has effectively helped develop unconventional oil and gas
reservoirs in recent years. At the same time, new problems of casing deformation failure …

Casing failure in shale gas horizontal wells hinders the efficient development of shale gas.
The sustained casing pressure is the main failure mechanism, while the current analytic …

针对四川盆地长宁—威远国家级页岩气示范区开发过程中出现的套管变形问题,
提出了地质工程一体化防控技术. 在流体通道—断层激活模型的基础上, 结合断层滑动力学条件 …

Horizontal shale gas well fracturing is mostly carried out by pumping bridge plugs. In the
case of casing deformation, the bridge plug can not be pumped down to the designated …

针对致密油气藏体积压裂改造过程中的套管损坏问题, 根据弹塑性力学, 接触力学理论,
结合体积压裂改造施工实际情况, 建立全三维尺寸的套管-水泥环-地层耦合有限元分析模型 …

With regard to the casing deformation in shale gas development wells in Changning-
Weiyuan national demonstration area in Sichuan Basin, an integrated prevention and …

Casing deformation is a severe problem in shale gas well development. The field data show
that multiple deformations usually occur in the same casing well, and the distance is close …

Casing deformation frequently occurs in shale gas wells during hydraulic fracturing. While
the failure mechanism of casing ovality deformation is unclear due to the interweaving and …

During hydraulic fracturing, there has been little research on casing tensile stress
distribution from the tilting area to the horizontal area in the whole string. In order to study the …