Jiang Zhenghua, Tong Shengbao, Ding Jinhe. Key Technologies Adopted for Shale Gas Horizontal Well Pengye HF-1[J]. Petroleum Drilling Techniques, 2012, 40(4): 28-31. DOI: 10.3969/j.issn.1001-0890.2012.04.006
Citation: Jiang Zhenghua, Tong Shengbao, Ding Jinhe. Key Technologies Adopted for Shale Gas Horizontal Well Pengye HF-1[J]. Petroleum Drilling Techniques, 2012, 40(4): 28-31. DOI: 10.3969/j.issn.1001-0890.2012.04.006

Key Technologies Adopted for Shale Gas Horizontal Well Pengye HF-1

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  • Received Date: February 10, 2012
  • Revised Date: June 21, 2012
  • Horizontal well is the most effective means for shale gas production,but problems such as difficult well trajectory control,great friction drag and torque,low ROP,poor well bore stability and poor cementing quality exist in shale gas horizontal well.During the drilling of Pengye HF-1 Well,some advanced technologies such as rotary steering system,OBM,special cementing had been used,BHA and drilling bit had been optimized,as a result,the drilling cycle had been reduced by 13 days.This paper analyzed the well trajectory control,well bore quality,friction drag,and cementing quality of this well.According to the analysis,the average ROP was 6.28 m/h,the dogleg was below 6°/30 m,small friction drag was kept between 150~250 kN,demonstrating good drilling results.The technical application showed that rotary steering system and OBM were the keys for successful operation of shale gas horizontal wells.Both of the technologies play an exemplary and referential role in the operation of other domestic shale gas horizontal wells.
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