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Drilling Optimization Design of Shale Gas Horizontal Well in South Block of Pingqiao

LONG Zhi-ping;WANG Yan-qi;ZHOU Yu-cang;HE Qing;LIU Guang-qing;Petroleum Engineering Technology Research Institution of East China Company of Sinopec Corp;Huadong Petroleum Technician College;  
Nanchuan Pingqiao shale gas block is another productivity construction block after Fuling shale gas field of Sinopec in southeastern Sichuan basin. On the basis of analyzing the characteristics of the well deployment and geological conditions of this block,the leakage prevention and plugging technology,ROP increasing method,horizontal section drilling construction technology and some other problems in this shale gas block are summarized. Through the further study and optimization of platform deployment,wellbore structure,borehole trajectory,"wells factory" drilling model,drill bit selection,drilling fluid system,cementing technology and so on,an optimization design scheme of shale gas horizontal well drilling for the south block of Pingqiao is formed to realize the efficient development of shale gas productivity construction in south block of Pingqiao.
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