潜油螺杆泵井应用连续管电加热清蜡技术研究
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- 英文论文题名：The research on the wax removal technology by electric heating with continuous pipe in the submersible screw pump wells
- 论文作者：彭永刚
- 英文论文作者：Peng Yonggang
- 年：2017
- 作者机构：大庆油田有限责任公司采油工程研究院;
- 论文关键词：连续管 ; 电加热 ; 清蜡 ; 潜油螺杆泵 ; 集肤效应
- 英文论文关键词：continuous pipe ; electric heating ; wax removal ; submersible screw pump ; skin effect
- 会议召开时间：2017-03-01
- 会议录名称：《采油工程文集》2017年第1辑
- 英文会议录名称：Oil Production Engineering
- 语种：中文
- 分类号：TE358.2
- 学会代码：DQGY
- 学会名称：大庆油田有限责任公司采油工程研究院
- 页数：5
- 文件大小：1091k
- 原文格式：D
摘要
为解决潜油螺杆泵井清蜡技术难题,研发出连续管电加热清蜡技术。通过地面控制系统将电流逆变成频率可调的中频电流后,输送到油管中的连续钢管内置电缆上,连续钢管表面在集肤效应作用下发热,加热周边流体,从而实现清蜡降黏的目的。通过室内实验得出,连续管电加热清蜡技术工作时所达温度可以满足清蜡要求。潜油螺杆泵井现场应用效果表明,该技术可以有效清蜡,易于使用,而且投入成本低,运行效率高。
In order to solve the technical problems of wax removal in submersible screw pump wells, the wax removal technology by electric heating with continuous pipe has been developed. After electric current is inverted into an adjustable intermediate frequency current by the ground control system, it is transferred to the built-in cable inside the continuous steel pipe of the tubing. The surface of continuous steel pipe is heated by the skin effect,which can heat the surrounding fluid to realize the purpose of wax removal and viscosity reduction. The indoor experiments indicated that the working temperature produced by the electric heating with continuous pipe could meet the requirements of wax removal. The application effect of the submersible screw pump wells in the field showed that the technology could be operated simply and effectively in removing the wax with advantages of low cost and high efficiency.
In order to solve the technical problems of wax removal in submersible screw pump wells, the wax removal technology by electric heating with continuous pipe has been developed. After electric current is inverted into an adjustable intermediate frequency current by the ground control system, it is transferred to the built-in cable inside the continuous steel pipe of the tubing. The surface of continuous steel pipe is heated by the skin effect,which can heat the surrounding fluid to realize the purpose of wax removal and viscosity reduction. The indoor experiments indicated that the working temperature produced by the electric heating with continuous pipe could meet the requirements of wax removal. The application effect of the submersible screw pump wells in the field showed that the technology could be operated simply and effectively in removing the wax with advantages of low cost and high efficiency.
引文
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[2]魏盼龙,姜许健,马金龙,等.精细清蜡配套技术在高含蜡油气井的推广应用[J].化学工程与装备,2016(7):121-124.
[3]宣英龙,孙仁远,任晓霞,等.高含蜡油井结蜡预测方法研究[G]//大庆油田有限责任公司采油工程研究院.采油工程文集2013年第1辑.北京:石油工业出版社,2013:54-57.
[4]钟德权,宋旭东,魏延静,等.螺杆泵井结蜡因素分析及热洗周期的确定[R].采油工程,2006(2):14-16.
[5]武继辉、孙军、贺志刚,等.油井清、防蜡技术研究现状[J].油气田地面工程,2004,23(7):14.
[6]李启堂,王立影.基于集肤效应的空心抽油杆电加热系统的数值计算[J].石油学报,2005,26(3):110-113.
[7]周省三.电磁场的应用[M].北京:高等教育出版社,1991:262-268.