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昭通YSH1-1页岩气水平井钻井完井技术
引用本文:王金磊,黑国兴,赵洪学.昭通YSH1-1页岩气水平井钻井完井技术[J].石油钻探技术,2012,40(4):23-27.
作者姓名:王金磊  黑国兴  赵洪学
作者单位:1.中国石油哈萨克斯坦公司PK项目钻井部,阿拉木图 050010;
摘    要:为加快中国石油昭通页岩气示范区页岩气水平井钻井技术探索,根据该区块第一口水平井(评价井)——YSH1-1井的实钻情况,基于常规水平井安全优快钻井完井技术研究,通过优选钻头、细化防漏堵漏方案、试验应用高密度油基钻井液、优化固井工艺等措施,有效解决了地层研磨性和冲击性强、恶性井漏频发、泥页岩井壁垮塌严重、固井质量难以保证等技术难点。YSH1-1井的实钻效果表明,上述各技术措施切实可行,可在该区块推广应用,并提出了昭通页岩气示范区未来页岩气钻井完井技术的研究重点,对国内页岩气钻井施工有一定的借鉴意义。 

关 键 词:页岩气    水平井    堵漏    油基钻井液    固井    YSH1-1井
收稿时间:2012-02-27

Drilling & Completion Techniques Used in Shale Gas Horizontal Well YSH1-1 in Zhaotong Block
Wang Jinlei , Hei Guoxing , Zhao Hongxue.Drilling & Completion Techniques Used in Shale Gas Horizontal Well YSH1-1 in Zhaotong Block[J].Petroleum Drilling Techniques,2012,40(4):23-27.
Authors:Wang Jinlei  Hei Guoxing  Zhao Hongxue
Affiliation:1.Drilling Department,CNPC Kazakhstan Company(PK),Almaty,050010,Kazakhstan;2.GWDC No.1 Drilling Company,CNPC,Panjin,Liaoning,124010,China
Abstract:To speed up the exploration for drilling techniques of shale gas horizontal well in Zhaotong block,this paper takes Well YSH1-1 as an example to introduce those successful technical measures and construction experiences in bit optimization,drilling fluid leak protection and bridging,exceptional cementation process and high density OBM to crack down technical difficulties such as formation abrasiveness and strong impact,frequent vicious mud loss,serious borehole collapse and cement quality.The success in pilot drilling in Well YSH1-1 suggests that those adopted technical measures are practicable,which can be promoted in this block.In addition,the paper also proposes further research focus in shale gas well drilling in Zhaotong Block.It would provide a guideline in technical improvement in shale gas well drilling in China.
Keywords:shale gas  horizontal well  circulation loss control  oil base drilling fluid  well cementing  Well YSH1-1
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