煤层气L型水平井电潜螺杆泵应用技术研究
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摘要
近年来,常规"抽油机+管式泵"、地面驱动螺杆泵等有杆排采工艺无法满足L型水平井的排水降压需求。本文结合ESPCP型电潜螺杆泵系统(一种无杆排采工艺)在沁水煤层气田L型水平井中的应用实例,详细阐述了该型电潜螺杆泵系统在L型水平井中的系统选型及防串气、防煤粉等现场应用技术;且经生产跟踪,目前ESPCP型电潜螺杆泵在煤层气L型水平井的综合性能及应用技术完全满足排水降压阶段的连续稳定排采,对其它类型排采工艺在L型水平井中的应用具有较高的借鉴意义。
In recent years,the conventional sucker rod drainage technologies, such as pumping unit and tubular pump, and surface driven screw pump, could not satisfies the drainage and pressure reduction requirements of L-type horizontal wells. Combining with the application of ESPCP electric submersible screw pump system(a non-rod drainage technology) in L-type horizontal wells of Qinshui CBM field, this paper elaborates in detail the system selection of ESPCP electric submersible screw pump system in L-type horizontal wells, as well as the field application technologies such as anti-gas and anti-coal pulverization. Through production tracking, the current comprehensive performance and application of ESPCP electric submersible screw pump in CBM L-type horizontal wells fully satisfies the continuous and stable drainage during the drainage and pressure reduction stage. It is of great significance for the reference of the other drainage and production technologies applied in L-type horizontal wells.
In recent years,the conventional sucker rod drainage technologies, such as pumping unit and tubular pump, and surface driven screw pump, could not satisfies the drainage and pressure reduction requirements of L-type horizontal wells. Combining with the application of ESPCP electric submersible screw pump system(a non-rod drainage technology) in L-type horizontal wells of Qinshui CBM field, this paper elaborates in detail the system selection of ESPCP electric submersible screw pump system in L-type horizontal wells, as well as the field application technologies such as anti-gas and anti-coal pulverization. Through production tracking, the current comprehensive performance and application of ESPCP electric submersible screw pump in CBM L-type horizontal wells fully satisfies the continuous and stable drainage during the drainage and pressure reduction stage. It is of great significance for the reference of the other drainage and production technologies applied in L-type horizontal wells.
引文
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[3] 张建国,苗耀,李梦溪,等.沁水盆地煤层气水平井产能影响因素分析[J].石油地质,2010,10(2):49-54.
[4] 王振彪.水平井地质优化设计[J].石油勘探与开发,2002,29(6):78-80.[2]、黎铖,姜维寨,张君子,等.煤层气L型水平井录井综合导向技术应用研究[J].中国煤层气,2016,(2):19-22.
[5] 张福强,易铭.提高煤层气水平井煤层钻遇率的关键技术[J].中国煤炭地质,2012,24(9):61-65.
[6] 张绍雄,张媛.煤层气水平井煤层判识技术的研究与应用[J].石油工业技术监督,2011,27(10):1-4.
[7] 孙佃金,孙蕾.地质导向技术在煤层气水平井施工中的应用[J].煤田地质与勘探,2015,(2):106-108.
[8] 王兴武.薄油层水平井轨迹控制技术[J].钻采工艺,2010,33(6):127-129
[9] 梅永贵,郭简,苏雷,等.无杆泵排采技术在沁水煤层气田的应用[J].煤炭科学技术,2016,44(5):64-67.
[10] 宋丽平.煤层气井排水釆气工艺技术研究[D].青岛:中国石油大学,2011.
[11] 刘新福.煤层气排水采气设备的选型研究[D].东营:中国石油大学(华东),2009.
[12] 肖亚儒.水力射流泵排液技术在辽河油田的应用[J].油气井测试,2007,16(4):56-58.
[13] 吴鹏.煤层气单井筒大斜度水平井螺杆泵举升工艺优化[J].油气开采,2017,12(12):53、73.
[14] 宋海青.电潜螺杆泵在海上稠油油田的应用.内蒙古石油化工,2010;36(2):24-25.
[15] 陈希,等.电潜螺杆泵在Kulin油田水平井中的应用.国外油田工程,2009;25(3):45-47.
[16] 刘雷,刘卫红,马广明,等.电潜螺杆泵采油系统及其现场应用.石油钻采工艺,2003:25 (增刊):30-32.