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注水是维持地层能量,增加油井产量,提高采收率的主要开发方式。开展注水井动态监测是检验判断井下注水方案的落实情况,提高注水效果和减少无效注水的重要依据。本文主要介绍各油田在注水井动态测试方面取得的一些新成果和新方法,主要包括:①用于污水回注井井下分层流量测试的涡街流量计;②配合分层注水管柱使用的分层地层压力测试仪;③用于分层注水管柱工作状况在线监测的井下测量装置。文中阐述了其工作原理和现场测试资料的用途。
Water injection is the main way to maintain the formation energy, increase oil production and enhance oil recovery. Carrying out the dynamic monitoring of water injection wells is an important basis for testing and judging the implementation of the underground water injection scheme, improving the water injection effect and reducing the invalid water injection. This paper mainly introduces some new achievements and new methods in the dynamic testing of water injection wells in oilfields, including: ①Vortex flowmeter used for stratified flow test of sewage injection well; ②Applied with stratified water injection column Stratified layer pressure tester; ③ stratified for the working status of the online monitoring of downhole measuring device. The article describes its working principle and field test data purposes.