A Five-Step Bullheading Killing Well Control Method for Fractured Formations without a Safety Pressure Window
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摘要: 采用常规压井方法处理无安全压力窗口裂缝性地层气侵时存在一压即漏、漏完仍喷的问题，为解决该问题，基于安全控制井筒压力并重建安全压力窗口的指导思想，提出了五步压回法压井方法。介绍了五步压回法压井的基本原理和挤压转向、平稳压回、逐步刹车、吊灌稳压和堵漏承压5个步骤，给出了压井液排量、漏失压差、井口套压和安全压力窗口等关键参数的计算方法。五步压回法压井方法自2006年开始在塔里木油田推广应用以来，控制了1 138井次溢流和38次井控险情，大大提高了压井成功率。研究结果表明，五步压回法压井方法能有效控制井筒压力，实现喷漏同存裂缝性地层的安全钻进。Abstract: While using conventional killing well control methods to deal with the gas kick in fractured formations without a safety pressure window,rapid lost circulation and blowout may occur again.Based on the guideline for the safe control of wellbore pressure and establishment of safe pressure window,a five-step bullheading killing well control method was proposed to handle the gas kick in fractured formations without a safety pressure window,including squeezing diversion,stable bullheading,stepwise halting,pressure stabilizing with hoisted filling,and leakage plugging under pressure.The new approach presented the calculation methods for the key parameters,such as flow rate of killing fluid,leakage pressure difference,casing pressure and safety pressure window etc.The five-step bullheading killing well control method has been applied in Tarim Oilfield since 2006,and handled overflow for 1 138 times and 38 times of well control risks,improving the success rate of well killing significantly.The research results showed that the five-step bullheading killing well control method could effectively control the wellbore pressure and realize the safe drilling in the fractured formation with the coexistence of blowout and lost circulation.
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[1] 刘浪.裂缝性油藏渗吸开采数值模拟研究[D].成都:西南石油大学,2006. LIU Lang.Numerical investigation of imbibition exploitation in fractured reservoirs[D].Chengdu:Southwest Petroleum University,2006. [2] 李雪.裂缝性油气藏储层综合表征体系综述[J].中国科技论文,2015(15):1861-1870. LI Xue.A review on comprehensive characteristics of fractured reservoirs[J].China Science Paper,2015 (15):1861-1870.
[3] 何博逾.裂缝性储层堵漏压井井控技术研究[D].成都:西南石油大学,2014. HE Boyu.Study on well control technology of fractured reservoirs for plugging and killing wells[D].Chengdu:Southwest Petroleum University,2014. [4] 徐进,胡大梁,任茂,等.川西深井井下复杂情况及故障预防与处理[J].石油钻探技术,2010,38(4):22-25. XU Jin,HU Daliang,REN Mao,et al.Prevention and treatment of complicated downhole conditions and accidents of deep wells in Western Sichuan[J].Petroleum Drilling Techniques,2010,38(4):22-25.
[5] 于洋,刘晓民,黄河淳,等.欠平衡钻井技术在碳酸盐岩超深水平井TP127H井中的应用[J].石油钻采工艺,2014,36(1):29-32. YU Yang,LIU Xiaomin,HUANG Hechun,et al.Application of underbalanced drilling technology in ultra-deep horizontal well(TP127H Well)of carbonate reservoirs[J].Oil Drilling & Production Technology,2014,36(1):29-32.
[6] 袁波,刘刚,王果,等.高压气井压井方法的机理及优选[J].中国海洋平台,2007,22(6):43-45. YUAN Bo,LIU Gang,WANG Guo,et al.The optimization theory about the well killing methods for HP gas wells[J].China Offshore Platform,2007,22(6):43-45.
[7] 王志远,孙宝江.深水司钻压井法安全压力余量及循环流量计算[J].中国石油大学学报(自然科学版),2008,32(3):71-74. WANG Zhiyuan,SUN Baojiang.Calculation of safety pressure margins and circulation rate of well killing by deep water driller's method[J].Journal of China University of Petroleum(Edition of Natural Sciences),2008,32(3):71-74. [8] 舒刚,孟英峰,李皋,等.重力置换式漏喷同存机理研究[J].石油钻探技术,2011,39(1):6-11. SHU Gang,MENG Yingfeng,LI Gao,et al.Mechanism of mud loss and well kick due to gravity displacement[J].Petroleum Drilling Techniques,2011,39(1):6-11.
[9] 常晓绪.用复合钻井液工艺处理漏喷同层复杂情况[J].石油钻探技术,1995,23(3):20. CHANG Xiaoxu.Processing of loss and blowout problems with complex drilling fluid technology[J].Petroleum Drilling Techniques,1995 ,23(3):20.
[10] 孙晓峰,闫铁,王克林,等.压回法压井技术适用性研究[J].科技导报,2013,31(36):36-40. SUN Xiaofeng,YAN Tie,WANG Kelin,et al.Applicability of bullheading killing technology[J].Science & Technology Review,2013,31(36):36-40.
[11] 刘书杰,任美鹏,李相方,等.海上油田压回法压井参数变化规律及设计方法[J].中国海上油气,2016,28(5):71-77. LIU Shujie,REN Meipeng,LI Xiangfang,et al.Parameter-changing pattern and design method of bullheading killing method in offshore oilfield[J].China Offshore Oil and Gas,2016,28(5):71-77.
[12] SUN B,GUO Y,WANG Z,et al.Experimental study on the drag coefficient of single bubbles rising in static non-Newtonian fluids in wellbore[J].Journal of Natural Gas Science & Engineering,2015,26:867-872.
[13] SHOHAM O.Mechanistic modeling of gas-liquid two-phase flow in pipes[M].Richardson:Society of Petroleum Engineers,2005.
[14] HARMATHY T Z.Velocity of large drops and bubbles in media of infinite or restricted extent[J].AIChE Journal,1960,6(2):281-288.
[15] BARNEA D,SHEMER L.Rise velocity of large bubbles in stagnant liquid in non-circular ducts[J].International Journal of Multiphase Flow,1986,12(6):1025-1027.
[16] 石林,蒋宏伟,郭庆丰.易漏地层的漏失压力分析[J].石油钻采工艺,2010,32(3):40-44. SHI Lin,JIANG Hongwei,GUO Qingfeng.Analysis on the leakage pressure of thief formation[J].Oil Drilling & Production Technology,2010,32(3):40-44.
[17] 朱亮,张春阳,楼一珊,等.两种漏失压力计算模型的比较分析[J].天然气工业,2008,28(12):60-61. ZHU Liang,ZHANG Chunyang,LOU Yishan,et al.Comparative analysis between the mechanics-based and statistics-based calculation models for leakage pressure[J].Natural Gas Industry,2008,28(12):60-61.
[18] 李大奇,康毅力,刘修善,等.裂缝性地层钻井液漏失动力学模型研究进展[J].石油钻探技术,2013,41(4):42-47. LI Daqi,KANG Yili,LIU Xiushan,et al.Progress in drilling fluid loss dynamics model for fractured formations[J].Petroleum Drilling Techniques,2013,41(4):42-47.
[19] 金衍,陈勉,刘晓明,等.塔中奥陶系碳酸盐岩地层漏失压力统计分析[J].石油钻采工艺,2007,29(5):82-84. JIN Yan,CHEN Mian,LIU Xiaoming,et al.Statistic analysis of leakage pressure of Ordovician carbonate formation in Middle Tarim Basin[J].Oil Drilling & Production Technology,2007,29(5):82-84.
[20] 孙宝江,王志远,公培斌,等.深水井控的七组分多相流动模型[J].石油学报,2011,32(6):1042-1049. SUN Baojiang,WANG Zhiyuan,GONG Peibin,et al.Application of a seven-component multiphase flow model to deepwater well control[J].Acta Petrolei Sinica,2011,32(6):1042-1049.
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