岩溶空隙系统虽然在形成后又被充填，但为埋藏溶解孔隙的发育提供了条件。
Although karst pore system was packed again after forming, it provides conditions for the development of burial corrasion pores.
低孔、低渗是该储层的特点，原因是岩溶作用强度不够和埋藏较深。
Reservoir rocks are characterized with low porosity and permeability, due to weak karstification and deep burial.
摘要 ： 塔河油田奥陶系古岩溶洞穴埋藏深度之大在世界范围内罕见，但对其为何没有垮塌殆尽的原因却知之甚少。
Abstract : The buried depth of karst paleo-caves in Tahe oilfield, Tarim basin is deeper than others throughout the world. But little is known about the reason why it did not collapse.
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