东海侧钻超深大位移井钻井关键技术
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摘要
为延长东海某油气田的经济寿命,依托其现有的设施,选择已有井槽侧钻一口大位移井,以开发该油气田西南部的中山亭构造的储层。通过优化套管打捞技术,成功完成大尺寸长距离套管打捞作业,为后续侧钻超深大位移井创造了条件。通过优化油基钻井液体系、摩阻扭矩控制、井眼净化、当量循环密度(ECD)控制和下套管固井等钻井关键技术,顺利完成了东海首口超深大位移井钻井作业。
To prolong the economic life of an oil and gas field in the East China Sea,it was considered to drill an extended reach well through existing well,relying on the existing facilities.In this way,we could develop the reservoir of the mid-mountain pavilion in the southwest of the oil and gas field.By optimizing the casing fishing technology,successful completion of large-size long-distance casing fishing operation was successfully implemented,which laid the foundation of the subsequent lateral drilling of the ultra-deep extended reach well.With the further optimization of technologies including oil-based drilling fluid system,friction and torque control,hole cleaning,equivalent circulation density(ECD)control,and casing cementing,the drilling operation of the first ultra-deep extended reach well in the East China Sea was successfully completed.
To prolong the economic life of an oil and gas field in the East China Sea,it was considered to drill an extended reach well through existing well,relying on the existing facilities.In this way,we could develop the reservoir of the mid-mountain pavilion in the southwest of the oil and gas field.By optimizing the casing fishing technology,successful completion of large-size long-distance casing fishing operation was successfully implemented,which laid the foundation of the subsequent lateral drilling of the ultra-deep extended reach well.With the further optimization of technologies including oil-based drilling fluid system,friction and torque control,hole cleaning,equivalent circulation density(ECD)control,and casing cementing,the drilling operation of the first ultra-deep extended reach well in the East China Sea was successfully completed.
引文
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[11]李凡,王晓鹏,张海,等.渤海D油田WHPA平台大位移水平井钻修机钻井作业实践[J].中国海上油气,2012,24(2):50.Li Fan,Wang Xiao-peng,Zhang Hai,et al.Drilling and workover practice of large displacement horizontal well in WHPA platform of D oilfield in Bohai[J].China Offshore Oil and Gas,2012,24(2):50.
[2]林广辉.中国最大跨垂比延伸水平井流花11-1-32ERW井钻井工艺[J].中国海上油气(工程),2003,15(6):29.Lin Guang-hui.The drilling technology for horizontal and extended reach well Liuhua 11-1-32 with maximum ratio of reach to TVD in China[J].China Offshore Oil and Gas(Engineering),2003,15(6):29.
[3]高德利,覃成锦,李文勇.南海西江大位移井摩阻和扭矩数值分析研究[J].石油钻采工艺,2003,25(5):8.Gao De-li,Qin Cheng-jin,Li Wen-yong.Research on numerical analysis of drag and torque for Xijiang extended reach wells in South-China Sea[J].Oil Drilling&Production Technology,2003,25(5):8.
[4]袁则名,和鹏飞.基于多底井的油田滚动评价和开发一体化技术[J].石油化工应用,2017,36(2):64.Yuan Ze-ming,He Peng-fei.The technology of multiple bottom well for exploration and development[J].Petrochemical Industry Application,2017,36(2):64.
[5]邢希金.东海某气田大位移井钻井液技术室内研究[J].石油天然气学报,2013,35(12):112.Xing Xi-jin.Laboratory research on drilling fluid for extended reach well drilling in the East China Sea[J].Journal of Oil and Gas Technology,2013,35(12):112.
[6]魏宏安,张武辇,唐海雄.超大水垂比大位移井钻井技术[J].石油钻采工艺,2005,27(1):1.Wei Hong-an,Zhang Wu-nian,Tang Hai-xiong.Drilling technology of extended reach well with ultra-high horizontal displacement to vertical depth ratio[J].Oil Drilling&Production Technology,2005,27(1):1.
[7]袁则名,和鹏飞.复杂断块油田钻井废弃物回注方案优选与工程实践[J].海洋工程装备与技术,2017,4(1):7.Yuan Ze-ming,He Peng-fei.Drill cuttings reinjection in complex fault block oilfield:layer selection scheme optimization and engineering practice[J].Ocean Engineering Equipment and Technology,2017,4(1):7.
[8]姜伟.大位移井钻井技术在渤海油田中的应用[D].成都:西南石油学院,2002.Jiang Wei.Application of extended reach well drilling technology in Bohai Oilfield[D].Chengdu:Southwest Petroleum Institute,2002.
[9]和鹏飞,侯冠中,朱培,等.海上Φ914.4mm井槽弃井再利用实现单筒双井技术[J].探矿工程(岩土钻掘工程),2016,43(3):45.He Peng-fei,Hou Guan-zhong,Zhu Pei,et al.Twinhole-inmonobore technology complete on abandoned 914.4mm offshore well slot[J].Exploration Engineering(Rock&Soil Drilling and Tunneling),2016,43(3):45.
[10]秦永和,付胜利,高德利.大位移井摩阻扭矩力学分析新模型[J].天然气工业,2006,26(11):77.Qin Yong-he,Fu Sheng-li,Gao De-li.A new model for mechanical analysis of friction and torque in extended reach well[J].Natural Gas Industry,2006,26(11):77.
[11]李凡,王晓鹏,张海,等.渤海D油田WHPA平台大位移水平井钻修机钻井作业实践[J].中国海上油气,2012,24(2):50.Li Fan,Wang Xiao-peng,Zhang Hai,et al.Drilling and workover practice of large displacement horizontal well in WHPA platform of D oilfield in Bohai[J].China Offshore Oil and Gas,2012,24(2):50.