石南21油田抽油光杆上部断脱分析及对策研究
Xinjiang Oil & Gas(2013)
Abstract
抽油井光杆连接抽油机悬绳器与井下抽油杆柱,承受井下抽油杆柱及液柱载荷,随着抽油机驴头上下往复运动带动井下杆柱及抽油泵活塞上下往复运动,达到抽汲作用。生产实践中,经常发生抽油井光杆上部断脱,造成油气泄露、环境污染等生产事故,严重地影响了油田的正常生产。本文结合石南21油田生产实际,应用自动化监控资料分析抽油井光杆上部断脱原因,提出预防措施。
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Key words
Countermeasure,Analysis,Polished rod,Break off
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