Jian Guo et al 2009 J. Geophys. Eng. 6 426 doi:10.1088/1742-2132/6/4/010
Jian Guo1,2,4, Yan Sun1, Liangshu Shu1, Wenbin Zhu1, Deliang Liu3, Feng Wang1 and Benliang Li1
Show affiliationsRock samples were collected and selected from the sedimentary covering strata from Cambrian to Jurassic in eastern Sichuan, China, which belongs to the Upper Yangtze plate. Physicomechanical parameters were measured systematically. Based on parametric texture characteristics and observation data of geology, five regional layer-slip systems are derived. The five layer-slip systems correspond to five reservoir–cover systems, as the incompetent beds correspond to cover beds and the competent beds to reservoir beds. In comparison with the Middle and Lower Yangtze plates, the physicomechanical parameters, lithologic composition and structural characteristics are basically similar to the Upper Yangtze plate. This comparison offers some insight into the oil and gas reservoir–cover systems in the region.
91.60.-x Physical properties of rocks and minerals
91.65.Ti Sedimentary petrology
91.55.Ln Kinematics of crustal and mantle deformation
91.55.Nc Local crustal structure; regional crustal structure
Issue 4 (December 2009)
Received 10 September 2009, accepted for publication 5 October 2009
Published 6 November 2009
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