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河南油田第一采油厂每年油水井分层测压工作量很大,由于井筒中死油的影响,测试遇阻、仪器掉卡事故频繁,严重影响原油生产,增加操作成本。本文概要介绍了该厂各类分层测压操作方法及存在问题,分析了产生原因并提出解决办法,研制的洗井装置结构简单、性能稳定可靠,解决了现场生产难题,取得很好应用效果。
Because of the dead oil in the wellbore, the test encountered resistance and the equipment dropped frequently, which seriously affected the crude oil production and increased the operation cost. This paper presents an overview of the various stratified piezometry operation methods and existing problems in the plant, analyzes the causes and presents solutions, and the developed well washing device has the advantages of simple structure, stable and reliable performance, solved the problem of on-site production and achieved good application effects .