摘要
鄂尔多斯盆地东部奥陶系风化壳海相碳酸盐岩,在漫长的地史时期,受地应力作用,发生了一系列构造断裂现象,形成了有利于天然气运聚的储渗条件。这类储渗条件,以断裂及裂缝为先导,以风化壳岩溶孔洞为储集体,构成了孔、洞、缝网络系统。根据岩芯观察,该网络系统的裂缝,类型多样、产状各异。在储层中起到了沟通孔洞、改善储集性能和提高产能的作用。
eastem ordos basin of ordovician Wcathefing Marine carbonate, during the longperiod of study, role by grounds stress had a series of structural faults phenomenon, formed to transPort gas reservoir permeabukuty cinditions together.The-permeabilityofreservoir Conditions to fracture and fracture as the forever, take the weathathales forrservoir, constiute the hole, hole, seam network system According to the core observation, the network system for cracks form in various types,different in the reservoir has improved communication hole, reservoir property and increase production capacutyrole
出处
《科技风》
2012年第11期58-58,共1页
关键词
鄂尔多斯东部
风化壳储层
裂缝
eerdUositheeastem
weatherir
the cracksand ground stress distribution
