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塔河油田电泵尾管悬挂装置的试验改进
石油实验地质
2015年 37卷 第S1期
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Title
Improvement of tail pipe devices for electric submersible pumps in the Tahe Oil Field
Authors
Xia Xinyue
Yuan Bo
Ou Xuehui
Jiang Lei
Sui Fen
Cai Lu
单位
中国石化西北油田分公司采油二厂, 新疆轮台 841604
Organization
No.2 Oil Production Plant, SINOPEC Northwest Company, Luntai, Xingjiang 841604, China
摘要
电泵尾管悬挂装置改善了塔河油田电泵工况,延长了电泵运行寿命,但仍存在小扁电缆穿越处故障造成电泵短寿运行现象。通过分析检泵原因,探讨出影响电泵运行寿命的因素主要与小扁电缆材质、压紧力、密封结构及油井井况有关。研究不同小扁电缆在不同温度及密封结构条件下,通过对比观察同一压紧力不同密封压力时表现出的不同特征,分析验证出小扁电缆穿越处故障的主要影响因素。为降低电泵尾管悬挂装置故障,提出改进电泵尾管悬挂装置结构和优选小扁电缆的措施,推广应用填充密封环数量为12个的电泵尾管悬挂装置,延长电泵运行寿命。
Abstract
Tail pipe devices improve the working conditions and prolong the operating life of electric submersible pumps (ESP) in the Tahe Oil Field. However, accidents might happen when small and flat cables cross the devices, which is harmful to pumps. We found some causes through pump inspections, including cable material, compaction force, seal structure, and oil well conditions. Different small and flat cables are tested under different temperatures and seal structures. We observed their performances under same compaction force and different seal conditions, and concluded some causes for the accidents. The hanging device for tail pipes and the selection for small and flat cables were improved. The hanging device with 12 sealing rings was recommended.
关键词：
潜油电泵;
尾管装置;
试验改进;
塔河油田;
Keywords:
electric submersible pump;
tail pipe device;
experiment and improvement;
Tahe Oil Field;
DOI
https://doi.org/10.11781/sysydz2015S1107
论文详情