姬塬油田储层注水伤害分析与化学增注技术研究  

Formation Damage of Injection Analyzing and Chemical Injection Increase Technology Study in Jiyuan Oilfield

作　　者：何治武 刘宁[1,2] 张振云 李宁军[1,2] Zhiwu He;Ning Liu;Zhenyun Zhang;Ningjun Li(Oil & Gas Technology Research Institute Changqing Oilfield Company, Xi’an;National Engineering Laboratory for Exploration and Development of Low Permeability Oil and Gas Fields, Xi’an)

机构地区：[1]长庆油田公司油气工艺研究院,西安 [2]低渗透油气田勘探开发国家工程实验室,西安

出　　处：《化学工程与技术》2013年第6期189-193,共5页Hans Journal of Chemical Engineering and Technology

摘　　要：姬塬油田属特低渗油田,在注水开发过程中,因注入水与地层水严重不配伍,导致储层孔喉结垢,影响油田注水开发。本文通过对注入水与地层水分析、水管路流动结垢实验、注水储层伤害评价等,认为注入水与地层水不配伍是造成储层伤害的主要原因之一。开发了能够溶解硫酸钡锶垢的YHS-1清垢剂,有效解除储层结垢堵塞,恢复储层渗透率。Jiyuan oilfield is an oil field with extremely low permeability. During the waterflooding process, because the injection water can not be concurrent with formation water, the scales at reservoir pore-throat will influence the waterflood development of oilfield. In this article, according to the analysis of injection water and formation water quality, scaling experiments of water flows, evaluations for water injection reservoir damage, it makes clear that the incompatibility of injection water and formation water is one of the main causes of formation damage. YHS-1 was employed as the cleaning agent of barium and strontium sulfate scale to relieve the reservoir scale blockage effectively and restore the reservoir permeability consequently.

关 键 词：姬塬油田 注水开发 配伍性 硫酸钡锶垢 储层伤害 清垢剂 

分 类 号：R73[医药卫生—肿瘤]