|本期目录/Table of Contents|

[1]王汉卿,胡大梁,黄河淳,等.川西气田雷口坡组气藏超深大斜度井钻井关键技术[J].断块油气田,2020,27(04):513-516.[doi:10.6056/dkyqt202004022]
 WANG Hanqing,HU Daliang,HUANG Hechun,et al.The key drilling technology of ultra-deep highly deviated well in Leikoupo gas reservior, western Sichuan Basin[J].Fault-Block Oil and Gas Field,2020,27(04):513-516.[doi:10.6056/dkyqt202004022]
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川西气田雷口坡组气藏超深大斜度井钻井关键技术(PDF)
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《断块油气田》[ISSN:1005-8907/CN:41-1219/TE]

卷:
27
期数:
2020年04
页码:
513-516
栏目:
默认栏目
出版日期:
2020-07-25

文章信息/Info

Title:
The key drilling technology of ultra-deep highly deviated well in Leikoupo gas reservior, western Sichuan Basin
作者:
王汉卿1胡大梁2黄河淳2刘伟3郑义3田明刚4
1.中国石化西南石油工程公司重庆钻井分公司,重庆 400042;2.中国石化西南油气分公司石油工程技术研究院,四川 德阳 618000; 3.中国石化西南油气分公司,四川 成都 610041;4.中国石化西南石油工程公司临盘钻井分公司,山东 临沂 251507
Author(s):
WANG Hanqing1 HU Daliang2 HUANG Hechun2 LIU Wei3 ZHENG Yi3 TIAN Minggang4
1.Chongqing Drilling Branch of Southwest Oilfield Service Company, SINOPEC, Chongqing 400042, China; 2.Petroleum Engineering Technology Institute of Southwest Oil & Gas Company, SINOPEC, Deyang 618000, China; 3.Southwest Oil & Gas Company, SINOPEC, Chengdu 610041, China; 4.Linpan Drilling Branch of Southwest Oilfield Service Company, SINOPEC, Linyi 251507, China
关键词:
超深大斜度井三开制钻井技术雷口坡组川西气田
Keywords:
ultra-deep highly deviated well three spud system drilling technology Leikoupo Formation western Sichuan Basin
分类号:
-
DOI:
10.6056/dkyqt202004022
文献标志码:
A
摘要:
针对川西气田雷口坡组气藏钻井面临的地层压力体系复杂、上部地层易发生井斜超标、须家河组—小塘子组可钻性差、雷口坡组地层破碎等技术难题,根据地层三压力剖面和井壁稳定性特征,优化必封点设置,形成三开制井身结构设计方案;根据预弯曲动力学原理优化易斜地层钻具组合设计,基于地层可钻性特征开展钻头个性化设计和高效钻头优选,优化形成破碎地层滑动导向轨迹控制技术。将上述技术集成应用于PZ3 ̄5D井,该井完钻井深7 339 m,平均机械钻速4.28 m/h,钻井周期238.4 d。现场应用表明,超深大斜度井钻井关键技术能够有效保障钻井安全,实现提速提效,为后续大斜度开发井的实施提供技术支撑。
Abstract:
The Leikoupo reservoir in western Sichuan Basin has several drilling difficulties such as complex formation pressures, extra well deviation in upper strata, poor drill ability of Xujiahe-Xiaotangzi strata, and broken strata of Leikoupo etc. Based on the three-pressure profiles and wellbore stability characteristics, the setting positions were optimized to propose the three spud casing program design. The bottom hole assembly were designed by pre-bending dynamics theory to keep borehole vertical, and high efficiency drill bits were designed and selected based on rock drillability. The researchers developed the downhole motor slide-steering trajectory control technology for directional well section. Those techniques were applied to well PZ3-5D which has the total depth of 7339m, average penetration rate of 4.28m/h and drilling operation time of 238.4d. The field application shows that the key drilling technology of ultra-deep highly deviated well can effectively ensure drilling safety, improve penetration rate, and provide important technical supports for subsequent highly deviated wells.

参考文献/References:

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备注/Memo

备注/Memo:
更新日期/Last Update: 2020-07-24