双闭合应力 dual closure stress
In addition, because of prevention ofthe migration of fines, it can keeD the fractures retain a gnd permeability for a long time under higher closure stress.
另外，使用该类支撑剂还可防止细粉的运移，因此在较高的闭合应力下也能使裂缝保持较好的长期渗透率。 目前美国许多油田已大量使用这类支撑剂以代替砂及陶粒。
参考来源 - 新型树脂涂层支撑剂·2,447,543篇论文数据，部分数据来源于NoteExpress
闭合应力测量的错误会对净压估计，以及随后的断裂几何形状的估计造成严重的错误。
An error in closure stress measurement can lead to a significant error in the estimation of the net pressure and, consequently, the fracture geometry.
较高的疲劳性能与裂纹尖端闭合应力、断口表面粗糙度以及裂纹扩展路径弯折程度有关。
The high fatigue properties were found to be related with higher crack closure stress, rough fracture surface and tortuousity of crack path.
酸液在裂缝壁面上进一步刻蚀形成较深的沟槽，即使在高的闭合应力条件下，酸蚀裂缝也能保持较高的导流能力，从而改善酸压效果。
Moreover, the acid will further etch the fracture face and create deeper channels which leads to high fracture conductivity and better treatment effect even under high closure stress.
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