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储集层裂隙检测在美国,近来水平钻井的兴趣主要集中于诸如巴肯(Bakken)页岩和奥斯汀白垩等垂直裂隙发育的远景区带。上白垩统尼奥布拉拉组地质年代与奥斯汀白垩相当,在丹佛盆地和落基山脉的其它地区已成为近期水平钻井的侯选层。
Reservoir Fissure Testing In the United States, recent horizontal drilling has focused primarily on the prospect of vertical fissures such as Bakken shale and Austin chalk. The Neoprara Formation of the Upper Cretaceous is geologically equivalent to the Austin Chalk and has become a candidate for recent horizontal drilling in the Denver Basin and other parts of the Rocky Mountains.