筛管外水泥环挤压酸洗管柱研制与应用
|
摘要
在筛管完井注水泥过程中,封隔器破损或卡封部位井径扩大,水泥浆会漏入筛管段将油层封固。为了打开油层重新建立油气生产通道,基于自主研制的水泥环挤压装置,形成了水泥环挤压酸洗管柱。水泥环挤压装置两端的封隔总成能够密封挤压装置与筛管之间的环空,然后利用节流传压总成传递的高压破碎筛管外的水泥环,而管柱底部的密封插管可打开人工井底的洗井阀并建立反循环洗井通道,将筛管外的水泥碎渣反洗至地面,恢复近井地带的渗透率。水泥环挤压酸洗管柱在胜利油田5口井进行了现场试验,成功率100%,试挤作业施工后,被封固的筛管段与地层连通性恢复正常。水泥环挤压酸洗管柱的成功研制,为解决筛管顶部注水泥完井后筛管段漏入水泥的问题提供了一种新的处理方法。
In the process of cementing in screen pipe during or after well completion,cement slurry may leak into the screen pipe section and cause damage to the formation due to packer failure or wellbore enlargement at the packer setting position.In order to reopen the oil zone and rebuild access for oil and gas production,the cement sheath squeezing with an acid washing string were developed on the basis of the independently-developed cement sheath squeezing device.The packer assembly at both ends of the cement sheath squeezing device can seal the annulus between the extrusion device and the screen pipe.Then,the cement sheath outside the screen pipe is crushed due to high pressure from throttling and pressure-transmitting assembly.The seal tube at the bottom of the string can open the washing valve at the bottom of the artificial hole and thus build a back-cycling well washing access.In this way,the crushed cement sheath can be backwashed out to the ground and formation permeability near the wellbore can be recovered.The cement sheath squeezing and acid washing string have been tested in five wells in the Shengli Oilfield,with 100% success.After the execution of squeezing,the communication between the plugged screen pipe section and the formation was regained.The successful development of the string provided a new method to solve the problem of cement leaking into the formation in the screen pipe section after well completion of cementing at the top of the screen pipe.
In the process of cementing in screen pipe during or after well completion,cement slurry may leak into the screen pipe section and cause damage to the formation due to packer failure or wellbore enlargement at the packer setting position.In order to reopen the oil zone and rebuild access for oil and gas production,the cement sheath squeezing with an acid washing string were developed on the basis of the independently-developed cement sheath squeezing device.The packer assembly at both ends of the cement sheath squeezing device can seal the annulus between the extrusion device and the screen pipe.Then,the cement sheath outside the screen pipe is crushed due to high pressure from throttling and pressure-transmitting assembly.The seal tube at the bottom of the string can open the washing valve at the bottom of the artificial hole and thus build a back-cycling well washing access.In this way,the crushed cement sheath can be backwashed out to the ground and formation permeability near the wellbore can be recovered.The cement sheath squeezing and acid washing string have been tested in five wells in the Shengli Oilfield,with 100% success.After the execution of squeezing,the communication between the plugged screen pipe section and the formation was regained.The successful development of the string provided a new method to solve the problem of cement leaking into the formation in the screen pipe section after well completion of cementing at the top of the screen pipe.
引文
[1] 冯德杰,李国锋,赵勇.Ф139.7mm筛管顶部注水泥免钻塞固井完井技术[J].石油钻探技术,2014,42(5):131-134.FENG Dejie,LI Guofeng,ZHAO Yong. Ф139.7mm plug-drilling-free well cementing completion technology[J].Petroleum Drilling Techniques,2014,42(5):131-134.
[2] 彭汉修,田启忠,李海涛.侧钻水平井完井技术研究与应用[J].石油天然气学报,2011,33(2):135-137.PENG Hanxiu,TIAN Qizhong,LI Haitao.Application of sidetracked horizontal well completion techniques[J].Journal of Oil and Gas Technology,2011,33(2):135-137.
[3] 田启忠,彭汉修,刘建新,等.免钻塞分级注水泥完井管柱[J].石油机械,2011,39(11):44-46.TIAN Qizhong,PENG Hanxiu,LIU Jianxin,et al.The plugdrilling-free staged cementing completion string[J].China Petroleum Machinery,2011,39(11):44-46.
[4] 聂翠平,李相方,刘贵喜,等.一种新型免钻塞分级注水泥接箍的研制与应用[J].钻采工艺,2012,35(3):57-59.NIE Cuiping,LI Xiangfang,LIU Guixi,et al.Development and application of a new undrilled dop stage cementing tool[J].Drilling &Production Technology,2012,35(3):57-59.
[5] 田启忠,郝金克,张建,等.分级注水泥技术的改进与应用[J].石油机械,2012,40(2):72-74.TIAN Qizhong,HAO Jinke,ZHANG Jian,et al.Classification of cementing technology improvement and application[J].China Petroleum Machinery,2012,40(2):72-74.
[6] 陈永地,崔军,宋本岭,等.自通径分级注水泥器研究及应用[J].石油钻探技术,2001,29(5):57-58.CHEN Yongdi,CUI Jun,SONG Benling,et al.The study and applications of self drifting stage-cementing unit[J].Petroleum Drilling Techniques,2001,29(5):57-58.
[7] 綦耀升.悬挂内衬管、注水泥封固的套损井修复方法[J].石油机械,2011,39(9):62-63,67.QI Yaosheng.The method to repair the cemented casing damage well with hanging inner sleeve[J].China Petroleum Machinery,2011,39(9):62-63,67.
[8] 伊西锋,高斯,田启忠.筛管完井水平井酸洗管柱改进与应用[J].石油钻采工艺,2012,34(4):31-32.YI Xifeng,GAO Si,TIAN Qizhong.Improvement and application of acid-cleaning strings in screen completion horizontal wells[J].Oil Drilling &Production Technology,2012,34(4):31-32.
[9] 孙骞,田启忠,吕玮,等.水平井管内分段压裂技术的研究与应用[J].石油机械,2012,40(5):92-96.SUN Qian,TIAN Qizhong,LYU Wei,et al.Research and application of the horizontal multistage fracture technology[J].China Petroleum Machinery,2012,40(5):92-96.
[10] 田启忠,伊伟锴,张建,等.水平井选择性筛管完井技术研究[J].石油天然气学报,2014,36(3):77-81.TIAN Qizhong,YI Weikai,ZHANG Jian,et al.Selective screen completion technology used in horizontal well[J].Journal of Oil and Gas Technology,2014,36(3):77-81.
[11] 张建,吕玮,田启忠,等.水平井裸眼防砂失效因素分析及解决措施[J].石油机械,2014,42(1):121-124.ZHANG Jian,LYU Wei,TIAN Qizhong,et al.Failure analysis of horizontal open hole sand control and handling measures[J].China Petroleum Machinery,2014,42(1):121-124.
[12] 姜瑞忠,蒋廷学,汪永利.水力压裂技术的近期发展及展望[J].石油钻采工艺,2004,26(4):52-57.JIANG Ruizhong,JIANG Tingxue,WANG Yongli.Present development and prospecting of hydraulic fracturing technology[J].Oil Drilling &Production Technology,2004,26(4):52-57.
[13] 陈作,王振铎,郑伟,等.水力喷砂分段压裂优化设计与施工[J].石油钻采工艺,2010,32(3):72-75.CHEN Zuo,WANG Zhenduo,ZHENG Wei,et al.Hydraulic sand blasting segregated fracturing optimization and operation technology[J].Oil Drilling &Production Technology,2010,32(3):72-75.
[14] 佟德水.辽河边台潜山双分支鱼骨水平井钻完井技术[J].钻采工艺,2015,38(6):18-20.TONG Deshui.Drilling and completion technique of fish bone branch dual-lateral well in Bian-Tai buried hill of Liaohe Field[J].Drilling &Production Technology,2015,38(6):18-20.
[15] 罗全民,袁光喜,吕瑞典,等.水平井防砂完井一体化技术配套研究[J].钻采工艺,2015,38(6):43-45.LUO Quanmin,YUAN Guangxi,LYU Ruidian,et al.Horizontal well sand control and well completion integration technology research[J].Drilling &Production Technology,2015,38(6):43-45.
[16] 付继彤.水平井高压水射流泡沫酸洗工艺应用[J].油气地质与采收率,2015,22(5):123-126.FU Jitong.Application of foamed acid washing technology by high pressure water jet in horizontal well[J].Petroleum Geology and Recovery Efficiency,2015,22(5):123-126.
[2] 彭汉修,田启忠,李海涛.侧钻水平井完井技术研究与应用[J].石油天然气学报,2011,33(2):135-137.PENG Hanxiu,TIAN Qizhong,LI Haitao.Application of sidetracked horizontal well completion techniques[J].Journal of Oil and Gas Technology,2011,33(2):135-137.
[3] 田启忠,彭汉修,刘建新,等.免钻塞分级注水泥完井管柱[J].石油机械,2011,39(11):44-46.TIAN Qizhong,PENG Hanxiu,LIU Jianxin,et al.The plugdrilling-free staged cementing completion string[J].China Petroleum Machinery,2011,39(11):44-46.
[4] 聂翠平,李相方,刘贵喜,等.一种新型免钻塞分级注水泥接箍的研制与应用[J].钻采工艺,2012,35(3):57-59.NIE Cuiping,LI Xiangfang,LIU Guixi,et al.Development and application of a new undrilled dop stage cementing tool[J].Drilling &Production Technology,2012,35(3):57-59.
[5] 田启忠,郝金克,张建,等.分级注水泥技术的改进与应用[J].石油机械,2012,40(2):72-74.TIAN Qizhong,HAO Jinke,ZHANG Jian,et al.Classification of cementing technology improvement and application[J].China Petroleum Machinery,2012,40(2):72-74.
[6] 陈永地,崔军,宋本岭,等.自通径分级注水泥器研究及应用[J].石油钻探技术,2001,29(5):57-58.CHEN Yongdi,CUI Jun,SONG Benling,et al.The study and applications of self drifting stage-cementing unit[J].Petroleum Drilling Techniques,2001,29(5):57-58.
[7] 綦耀升.悬挂内衬管、注水泥封固的套损井修复方法[J].石油机械,2011,39(9):62-63,67.QI Yaosheng.The method to repair the cemented casing damage well with hanging inner sleeve[J].China Petroleum Machinery,2011,39(9):62-63,67.
[8] 伊西锋,高斯,田启忠.筛管完井水平井酸洗管柱改进与应用[J].石油钻采工艺,2012,34(4):31-32.YI Xifeng,GAO Si,TIAN Qizhong.Improvement and application of acid-cleaning strings in screen completion horizontal wells[J].Oil Drilling &Production Technology,2012,34(4):31-32.
[9] 孙骞,田启忠,吕玮,等.水平井管内分段压裂技术的研究与应用[J].石油机械,2012,40(5):92-96.SUN Qian,TIAN Qizhong,LYU Wei,et al.Research and application of the horizontal multistage fracture technology[J].China Petroleum Machinery,2012,40(5):92-96.
[10] 田启忠,伊伟锴,张建,等.水平井选择性筛管完井技术研究[J].石油天然气学报,2014,36(3):77-81.TIAN Qizhong,YI Weikai,ZHANG Jian,et al.Selective screen completion technology used in horizontal well[J].Journal of Oil and Gas Technology,2014,36(3):77-81.
[11] 张建,吕玮,田启忠,等.水平井裸眼防砂失效因素分析及解决措施[J].石油机械,2014,42(1):121-124.ZHANG Jian,LYU Wei,TIAN Qizhong,et al.Failure analysis of horizontal open hole sand control and handling measures[J].China Petroleum Machinery,2014,42(1):121-124.
[12] 姜瑞忠,蒋廷学,汪永利.水力压裂技术的近期发展及展望[J].石油钻采工艺,2004,26(4):52-57.JIANG Ruizhong,JIANG Tingxue,WANG Yongli.Present development and prospecting of hydraulic fracturing technology[J].Oil Drilling &Production Technology,2004,26(4):52-57.
[13] 陈作,王振铎,郑伟,等.水力喷砂分段压裂优化设计与施工[J].石油钻采工艺,2010,32(3):72-75.CHEN Zuo,WANG Zhenduo,ZHENG Wei,et al.Hydraulic sand blasting segregated fracturing optimization and operation technology[J].Oil Drilling &Production Technology,2010,32(3):72-75.
[14] 佟德水.辽河边台潜山双分支鱼骨水平井钻完井技术[J].钻采工艺,2015,38(6):18-20.TONG Deshui.Drilling and completion technique of fish bone branch dual-lateral well in Bian-Tai buried hill of Liaohe Field[J].Drilling &Production Technology,2015,38(6):18-20.
[15] 罗全民,袁光喜,吕瑞典,等.水平井防砂完井一体化技术配套研究[J].钻采工艺,2015,38(6):43-45.LUO Quanmin,YUAN Guangxi,LYU Ruidian,et al.Horizontal well sand control and well completion integration technology research[J].Drilling &Production Technology,2015,38(6):43-45.
[16] 付继彤.水平井高压水射流泡沫酸洗工艺应用[J].油气地质与采收率,2015,22(5):123-126.FU Jitong.Application of foamed acid washing technology by high pressure water jet in horizontal well[J].Petroleum Geology and Recovery Efficiency,2015,22(5):123-126.