双空心抽油杆螺杆泵热采试油技术
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摘要
高稠、高黏、高含蜡的稠油井逐年增加,对现有的螺杆泵热采试油系统提出了更高的要求,急需对螺杆泵进行优化来满足稠油井试油的施工需求。双空心抽油杆螺杆泵试油系统使用双空心电磁水循环加热系统对井底稠油进行恒温加热,使用37 kW变频直驱驱动头进行井口驱动,使用Viton氟橡胶制作泵筒内衬和转子。该系统在华北、冀东、内蒙等多个地域成功实施了20余口稠油井的热采试油,其中留XX井原油黏度最高达到35 615 mPa·s(50℃条件下),取得了真实、准确的液性、产量资料。该设备提高了螺杆泵加热效率和举升能力,能够快速、准确的求取地层产出液的液性和产量,解决了国内低产稠油井排液测试的难题。
The number of heavy oil wells with high-viscosity and high-wax-containing is increasing year by year,which puts higher requirements on the existing screw pump thermal recovery test system. It is urgent to optimize the screw pump to meet the construction needs of testing in heavy oil wells. Screw pump test system driven by the double hollow sucker rod uses double hollow electromagnetic water circulation heating system to heat the heavy oil at the bottom of the well,uses 37 kW variable frequency drive for wellhead drive,and uses Viton fluorine rubber to make pump liner and rotor. The system successfully implemented more than 20 heavy oil wells in Huabei,Jidong,Inner Mongolia and other regions. Taking the well Liu XX as an example,its crude oil viscosity can reach up to 35 615 mPa·s( at 50 ℃),but the accurate fluid properties and production data are still obtained. This device improves the heating efficiency and lifting capacity,which can obtain the fluid properties and production data quickly and accurately and solve the problem of the flowing back and testing of low-production heavy oil well at home
The number of heavy oil wells with high-viscosity and high-wax-containing is increasing year by year,which puts higher requirements on the existing screw pump thermal recovery test system. It is urgent to optimize the screw pump to meet the construction needs of testing in heavy oil wells. Screw pump test system driven by the double hollow sucker rod uses double hollow electromagnetic water circulation heating system to heat the heavy oil at the bottom of the well,uses 37 kW variable frequency drive for wellhead drive,and uses Viton fluorine rubber to make pump liner and rotor. The system successfully implemented more than 20 heavy oil wells in Huabei,Jidong,Inner Mongolia and other regions. Taking the well Liu XX as an example,its crude oil viscosity can reach up to 35 615 mPa·s( at 50 ℃),but the accurate fluid properties and production data are still obtained. This device improves the heating efficiency and lifting capacity,which can obtain the fluid properties and production data quickly and accurately and solve the problem of the flowing back and testing of low-production heavy oil well at home
引文
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[19]王辉.井下作业螺杆泵施工技术的关键点源[J].硅谷,2012(22):180-181.WANG Hui.The key point of downhole operation screw pump construction technology[J].Silicon Valley,2012(22):180-181.
[20]周琦.螺杆泵采油技术在稠油开采中的应用研究[D].大庆:东北石油大学,2015.
[21]李营.采油用螺杆泵定子橡胶及其性能的改进探究[J].科技创新与应用,2016(11):109.LI Ying.Exploration on the improvement of the stator rubber and its performance of screw pump for oil production[J].Technology Innovation and Application,2016(11):109.
[2]刘佳.改善稠油井测试工艺的方法探讨[J].中国石油和化工标准与质量,2017,37(3):34-35.LIU Jia.Methods to improve the testing process of heavy oil wells[J].China Petroleum and Chemical Industry Standards and Quality,2017,37(3):34-35.
[3]何希杰,劳学苏.螺杆泵及其应用[J].通用机械,2008,46(4):26-29.HE Xijie,LAO Xuesu.Screw pump and its application[J].General Machinery,2008,46(4):26-29.
[4]NAKASHIMA C Y,JR S D O,CAETANO E F.Heat transfer in a twin-screw multiphase pump:thermal modeling and one application in the petroleum industry[J].Energy,2006,31(5):3415-3425.
[5]丁波,徐太宗,蒋玉新.空心转子螺杆泵过泵加热采油技术[J].石油矿场机械,2006,35(S):63-65.DING Bo,XU Taizong,JIANG Yuxin.New technology using heating hollow rotor of screw pump while liquid passing through[J].Petroleum Field Machinery,2006,35(S):63-65.
[6]张连山.国外螺杆泵采油系统的现状与发展[J].国外石油机械,1997,8(1):27-34.ZHANG Lianshan.Current situation and development of foreign screw pump production system[J].Foreign Petroleum Machinery,1997,8(1):27-34.
[7]郁文正.地面驱动采油螺杆泵设计中的若干问题[J].石油规划设计,1992,20(6):5-10.YU Wenzheng.Some problems in the design of ground driving oil recovery screw pumps[J].Petroleum Planning and Design,1992,20(6):5-10.
[8]姚军,薛天飞,刘通,等.地面驱动螺杆泵举升工艺及其应用[J].长江大学学报,2012,9(7):80-82.YAO Jun,XUE Tianfei,LIU Tong,et al.Lifting technology and application of ground driven screw pump[J].Journal of Yangtze University,2012,9(7):80-82.
[9]PENNACCHI P,SEXTO L F.Design improvement of screw pump power sources for hydraulic elevators to reduce noise emissions[J].Noise Control Engineering Journal,2007,55(2):164-171.
[10]高辉.螺杆泵与水力泵在水平井排液求产中的适应性分析[J].油气井测试,2018,27(3):22-27.GAO Hui.Adaptability analysis of screw pump and hydraulic pump during the production of horizontal wells[J].Well Testing,2018,27(3):22-27.
[11]杨永华,郑学成,师国臣.机械密封上置式螺杆泵地面驱动装置研制[J].石油机械,2004,32(2):47-48.YANG Yonghua,ZHENG Xuecheng,SHI Guochen.Development of the ground driving device of the mechanical seal screw pump[J].China Petroleum Machinery,2004,32(2):47-48.
[12]屈文涛,徐建宁,彭勇,等.地面驱动螺杆泵变频调速技术研究与应用[J].国外油田工程,2007,36(8):37-39.QU Wentao,XU Jianning,PENG Yong,et al.The Study and application of screw pump variable frequency conversion technology[J].Foreign Oilfield Engineering,2007,36(8):37-39.
[13]张中宝.塔河油田深抽杆式泵一体化管柱工艺[J].油气井测试,2018,27(2):27-33.ZHANG Zhongbao.Deep integrated rod pumping string applied in Tahe oilfield[J].Well Testing,2018,27(2):27-33.
[14]HSIEH C F,HWANG Y W,FONG Z H.Study on the tooth profile for the screw claw-type pump[J].Mechanism&Machine Theory,2008,43(7):812-828.
[15]李鑫.井下设备密封环泄漏预测计算方法研究[D].哈尔滨:哈尔滨工业大学,2015.
[16]赵仲浩.水力驱动井下双螺杆泵设计及参数匹配[D].青岛:中国石油大学(华东),2011.
[17]王哲,王世杰,吕晓仁.潜油螺杆泵定子橡胶摩擦磨损行为研究[J].机械设计与制造,2014(2):163-166.WANG Zhe,WANG Shijie,LYU Xiaoren.Research of fiction and wear for stator rubber of oil extraction progressing cavity pump[J].Machinery Design&Manufacture,2014(2):163-166.
[18]VILLASANTE J A,MANTOVANO L O,ERNST H A,et al.Development of a new hollow sucker rod family for rotating pumping(progressive cavity pump systems)[J].Journal of Petroleum Science&Engineering,2015,134:277-289.
[19]王辉.井下作业螺杆泵施工技术的关键点源[J].硅谷,2012(22):180-181.WANG Hui.The key point of downhole operation screw pump construction technology[J].Silicon Valley,2012(22):180-181.
[20]周琦.螺杆泵采油技术在稠油开采中的应用研究[D].大庆:东北石油大学,2015.
[21]李营.采油用螺杆泵定子橡胶及其性能的改进探究[J].科技创新与应用,2016(11):109.LI Ying.Exploration on the improvement of the stator rubber and its performance of screw pump for oil production[J].Technology Innovation and Application,2016(11):109.