库车山前高压气井钢丝投捞式试井技术
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摘要
塔里木油田库车山前储层具有埋藏深、温度高、压力高的特点,在高温高压气井钢丝作业施工中出现仪器落井、缆绳腐蚀拉断等事故,导致储层温度、压力资料录取困难。为此,在引进配套高温高压压力计、JDC投捞工具等主要井下工具基础上,研发动态流动密封防喷管,优选井下压力计投捞方式,优化加重杆、震击器等配套工具及作业工序,形成了高压气井钢丝投捞式温压资料录取技术。该技术在库车山前推广应用达36井次,其中井口压力最高达89 MPa,仪器下深达7 189m,CO2分压最高3.06 MPa,仪器下井最长达52 d,施工成功率100%,资料录取成功率100%。该技术降低了井控高风险作业时间、提高了特低渗储层压力恢复资料质量,已成为库车山前储层动态监测的有利手段。
The reservoir in front of Kuqa foreland in Tarim Oilfield is characterized by deep burial,high temperature and high pressure.During the process of steel wire construction in gas wells with high temperature and high pressure,there are accidents such as instrument falling in the well and cable corrosion and breaking. As a result,the reservoir temperature and pressure data are difficult to obtain.In order to solve this problem,on the basis of the introduction of major downhole tools such as high temperature and pressure gauges,JDC fishing tools,etc.,this paper have developed dynamic flow sealed blowout preventers,optimized downhole pressure gauges for fishing methods,as well as supporting tools such as weighting rods and jars. Based on that,a temperature and pressure data collection technology was formed. The technology has been promoted and applied for 36 wells in Kuqa foreland. In which,the largest wellhead pressure is 89 MPa,the maximum depth of the instrument is 7 189 m,the highest partial pressure of CO_2 is 3. 06 MPa and the longest time of the instrument in well is 52 d. Its construction success rate and data collection success rate is 100%. This technology not only reduces the high-risk operation time of well control but also improves the quality of pressure recovery data in reservoir with the ultra-low permeability,which has become an advantageous means for the dynamic monitoring of reservoirs in Kuqa foreland reservoir.
The reservoir in front of Kuqa foreland in Tarim Oilfield is characterized by deep burial,high temperature and high pressure.During the process of steel wire construction in gas wells with high temperature and high pressure,there are accidents such as instrument falling in the well and cable corrosion and breaking. As a result,the reservoir temperature and pressure data are difficult to obtain.In order to solve this problem,on the basis of the introduction of major downhole tools such as high temperature and pressure gauges,JDC fishing tools,etc.,this paper have developed dynamic flow sealed blowout preventers,optimized downhole pressure gauges for fishing methods,as well as supporting tools such as weighting rods and jars. Based on that,a temperature and pressure data collection technology was formed. The technology has been promoted and applied for 36 wells in Kuqa foreland. In which,the largest wellhead pressure is 89 MPa,the maximum depth of the instrument is 7 189 m,the highest partial pressure of CO_2 is 3. 06 MPa and the longest time of the instrument in well is 52 d. Its construction success rate and data collection success rate is 100%. This technology not only reduces the high-risk operation time of well control but also improves the quality of pressure recovery data in reservoir with the ultra-low permeability,which has become an advantageous means for the dynamic monitoring of reservoirs in Kuqa foreland reservoir.
引文
[1]郑如森,高文祥,邹国庆,等.塔里木油田超高压高产气井压井方法初探[J].油气井测试,2017,26(6):62-64.ZHENG Rusen,GAO Wenxiang,ZOU Guoqing et al.A preliminary discussion on killing well of super high pressure and high production in Tarim oilfield[J].Well Testing,2017,26(6):62-64.
[2]刘洪涛,黎丽丽,吴军,等.库车山前高温高压气井测试管柱优化配置与应用[J].钻采工艺,2016,39(5):42-45.LIU Hongtao,LI Lili,WU Jun et al.Optimum configuration and application of well testing string for ultra-deep HTHP gas wells in Kuqa,Tarim[J].Drilling&Production Technology,2016,39(5):42-45.
[3]田东江,牛新年,郜国喜,等.库车山前大北地区裂缝性气藏储层改造评价研究[J].油气井测试,2012,21(5):21-23.TIAN Dongjiang,NIU Xinnian,GAO Guoxi et al.Reservoir stimulation evaluation of Dabei fractured sandstone gas reservoirs of Kuqa Foreland[J].Well Testing,2012,21(5):21-23.
[4]熊钰,滕鹏,牛新年,等.塔里木油田缝洞型油藏试井解释新模型研究[J].油气井测试,2017,26(3):1-4.XIONG Yu,TENG Peng,NIU Xinnian et al.Research on new well testing interpretation model for fracture cavity type reservoir in the Tarim oilfield[J].Well Testing,2017,26(3):1-4.
[5]周鹏遥,程远方,杨向同,等.全通径裸眼封隔器水平井分段改造工艺在塔里木油田的应用[J].油气井测试,2016,25(2):57-60.ZHOU Pengyao,CHENG Yuanfang,YANG Xiangtong et al.Application of segmented transformation technology with full bore open-hole packer to horizontal well in the Tarim oilfield[J].Well Testing,2016,25(2):57-60.
[6]刘振辉,李文涛,蔡高贤,等.井下压力计脱挂器的开发应用[J].油气井测试,2002,11(4):68-70.LIU Zhenhui,LI Wentao,CAI Gaoxian et al.Development and application of downhole pressure gauge hanger[J].Well Testing,2002,11(4):68-70.
[7]唐雪清.确定试井钢丝使用寿命的方法[J].油气井测试,2003,12(6):50.TANG Xueqing.Method of determining the service life of well-testing steel wire[J].Well Testing,2003,12(6):50.
[8]张文生.DPT在塔河油田稠油井中的应用[J].油气井测试,2003,12(3):52-53.ZHANG Wensheng.The application of DPT in viscous crude wells of Tahe oilfield[J].Well Testing,2003,12(3):52-53.
[9]宋红伟.抗震DPT测压技术在塔河油田稠油油藏的应用[J].石油钻探技术,2004,32(4):71-73.SONG Hongwei.DPT pressure measurement technology against shock applied in dense oil reservoir of Tahe oilfield[J].Petroleum Drilling Technologies,2004,32(4):71-73.
[10]张云.投捞器在高含硫井试井中的应用[J].油气井测试,2009,18(3):45-46.ZHANG Yun.Well testing for sour wells with high-sulfur content[J].Well Testing,2009,18(3):45-46.
[11]鲁斌昌,孙剑波,秦川.新型电子投捞式DPT试井技术在超深高压高含H2S井的改进和应用[J].油气井测试,2013,22(6):49-50.LU Binchang,SUN Jianbo,QIN Chuan.Improvement of new type of electronic cast fishing DPT test technology in ultra deep well and high containing H2S and its application[J].Well Testing,2013,22(6):49-50.
[12]胡勇,周生福,王博伟,等.一种深井DPT投捞工艺在塔河油田的改进及应用[J].油气井测试,2016,25(3):71-72.HU Yong,ZHOU Shengfu,WANG Bowei et al.Improvement and application of a kind of deep well DPT shot out process in Tahe oilfield[J].Well Testing,2016,25(3):71-72.
[13]王世勋,王建良,胡彦坤.电子脱挂器投捞试井技术在吉林探区的研究及现场应用[J].油气井测试,2006,25(1):61-63.WANG Shixun,WANG Jianliang,HU Yankun.Research of electronic hanging off for well testing technique in Jilin exploration area and its field application[J].Well Testing,2006,25(1):61-63.
[14]何博,潘登,赵益秋.新型钢丝投捞井下电子压力计技术[J].钻采工艺,2015,38(4):74-76.HE Bo,PAN Deng,ZHAO Yiqiu.A new type of slickline running and pulling downhole electronic pressure gauges technology[J].Drilling&Production Technology,2015,38(4):74-76.
[15]中国石油天然气集团公司.油气井常规钢丝作业技术规范[S].北京:石油工业出版社,2015.China National Petroleum Corporation.The technical specification of conventional slickline operation[S].Beijing:Petroleum Industry Press,2015.
[16]叶荣,蒋鸿杰.一种全新的井下压力计脱挂工具[J].油气井测试,2002,11(2):68-69.YE Rong,JIANG Hongjie.A novel doffed and hung tool in the well bottom[J].Well Testing,2002,11(2):68-69.
[17]刘振辉,李文涛,蔡高贤,等.井下压力计脱挂器的开发应用[J].油气井测试,2002,11(4):66-68.LIU Zhenhui,LI Wentao,CAI Gaoxian et al.Development and application of the tripping-connecting device of pressure gauges[J].Well Testing,2002,11(4):66-68.
[2]刘洪涛,黎丽丽,吴军,等.库车山前高温高压气井测试管柱优化配置与应用[J].钻采工艺,2016,39(5):42-45.LIU Hongtao,LI Lili,WU Jun et al.Optimum configuration and application of well testing string for ultra-deep HTHP gas wells in Kuqa,Tarim[J].Drilling&Production Technology,2016,39(5):42-45.
[3]田东江,牛新年,郜国喜,等.库车山前大北地区裂缝性气藏储层改造评价研究[J].油气井测试,2012,21(5):21-23.TIAN Dongjiang,NIU Xinnian,GAO Guoxi et al.Reservoir stimulation evaluation of Dabei fractured sandstone gas reservoirs of Kuqa Foreland[J].Well Testing,2012,21(5):21-23.
[4]熊钰,滕鹏,牛新年,等.塔里木油田缝洞型油藏试井解释新模型研究[J].油气井测试,2017,26(3):1-4.XIONG Yu,TENG Peng,NIU Xinnian et al.Research on new well testing interpretation model for fracture cavity type reservoir in the Tarim oilfield[J].Well Testing,2017,26(3):1-4.
[5]周鹏遥,程远方,杨向同,等.全通径裸眼封隔器水平井分段改造工艺在塔里木油田的应用[J].油气井测试,2016,25(2):57-60.ZHOU Pengyao,CHENG Yuanfang,YANG Xiangtong et al.Application of segmented transformation technology with full bore open-hole packer to horizontal well in the Tarim oilfield[J].Well Testing,2016,25(2):57-60.
[6]刘振辉,李文涛,蔡高贤,等.井下压力计脱挂器的开发应用[J].油气井测试,2002,11(4):68-70.LIU Zhenhui,LI Wentao,CAI Gaoxian et al.Development and application of downhole pressure gauge hanger[J].Well Testing,2002,11(4):68-70.
[7]唐雪清.确定试井钢丝使用寿命的方法[J].油气井测试,2003,12(6):50.TANG Xueqing.Method of determining the service life of well-testing steel wire[J].Well Testing,2003,12(6):50.
[8]张文生.DPT在塔河油田稠油井中的应用[J].油气井测试,2003,12(3):52-53.ZHANG Wensheng.The application of DPT in viscous crude wells of Tahe oilfield[J].Well Testing,2003,12(3):52-53.
[9]宋红伟.抗震DPT测压技术在塔河油田稠油油藏的应用[J].石油钻探技术,2004,32(4):71-73.SONG Hongwei.DPT pressure measurement technology against shock applied in dense oil reservoir of Tahe oilfield[J].Petroleum Drilling Technologies,2004,32(4):71-73.
[10]张云.投捞器在高含硫井试井中的应用[J].油气井测试,2009,18(3):45-46.ZHANG Yun.Well testing for sour wells with high-sulfur content[J].Well Testing,2009,18(3):45-46.
[11]鲁斌昌,孙剑波,秦川.新型电子投捞式DPT试井技术在超深高压高含H2S井的改进和应用[J].油气井测试,2013,22(6):49-50.LU Binchang,SUN Jianbo,QIN Chuan.Improvement of new type of electronic cast fishing DPT test technology in ultra deep well and high containing H2S and its application[J].Well Testing,2013,22(6):49-50.
[12]胡勇,周生福,王博伟,等.一种深井DPT投捞工艺在塔河油田的改进及应用[J].油气井测试,2016,25(3):71-72.HU Yong,ZHOU Shengfu,WANG Bowei et al.Improvement and application of a kind of deep well DPT shot out process in Tahe oilfield[J].Well Testing,2016,25(3):71-72.
[13]王世勋,王建良,胡彦坤.电子脱挂器投捞试井技术在吉林探区的研究及现场应用[J].油气井测试,2006,25(1):61-63.WANG Shixun,WANG Jianliang,HU Yankun.Research of electronic hanging off for well testing technique in Jilin exploration area and its field application[J].Well Testing,2006,25(1):61-63.
[14]何博,潘登,赵益秋.新型钢丝投捞井下电子压力计技术[J].钻采工艺,2015,38(4):74-76.HE Bo,PAN Deng,ZHAO Yiqiu.A new type of slickline running and pulling downhole electronic pressure gauges technology[J].Drilling&Production Technology,2015,38(4):74-76.
[15]中国石油天然气集团公司.油气井常规钢丝作业技术规范[S].北京:石油工业出版社,2015.China National Petroleum Corporation.The technical specification of conventional slickline operation[S].Beijing:Petroleum Industry Press,2015.
[16]叶荣,蒋鸿杰.一种全新的井下压力计脱挂工具[J].油气井测试,2002,11(2):68-69.YE Rong,JIANG Hongjie.A novel doffed and hung tool in the well bottom[J].Well Testing,2002,11(2):68-69.
[17]刘振辉,李文涛,蔡高贤,等.井下压力计脱挂器的开发应用[J].油气井测试,2002,11(4):66-68.LIU Zhenhui,LI Wentao,CAI Gaoxian et al.Development and application of the tripping-connecting device of pressure gauges[J].Well Testing,2002,11(4):66-68.