安塞油田中高含水油藏油水井双向调堵技术应用及完善  

Application and improvement of bi-directional oil-well plugging technology in medium-high water-cut reservoirs in Ansai Oilfield

作　　者：刘德来[1] 张育超[1] 乔南方[1] 刘毅[1] 钟智勇[1] Liu Delai;Zhang Yuchao;Qiao Nanfang;Liu Yi;Zhong Zhiyong(No.1 Oil Production Plant,Changqing Oilfield Company,Yan'an Shanxi 716000)

机构地区：[1]长庆油田分公司第一采油厂,陕西延安716000

出　　处：《石化技术》2022年第9期150-152,共3页Petrochemical Industry Technology

基　　金：中国石油长庆油田分公司科研项目“安塞油田中高含水油藏油水井双向调堵技术研究”,项目编号:2021DB0616。

摘　　要：安塞油田天然微裂缝发育,注水开发时易出现水驱沿主向裂缝窜流,侧向油井长期不见效,油藏稳产难度大。针对裂缝窜流高含水井,开展油水井双向调堵压裂,注水井端自适应深部调驱,改变注水液流方向,改善油藏的非均质性,提高水驱波及体积;油井端堵水转向压裂造新缝,挖潜侧向剩余油,提高油井产能。The natural microfractures are well developed in Ansai oilfield. When water injection is developed,water drive is prone to cross flow along the main fracture direction,and the lateral oil Wells are not effective for a long time,making it difficult to stabilize the reservoir production. Aiming at the high content water Wells with fracture channeling flow,the bi-directional control fracturing of oil and water well is carried out. The self-adaptive deep control flooding is carried out at the injection well end to change the direction of water injection liquid flow,improve the heterogeneity of reservoir and increase the sweep volume of water flooding. The water plugging at the end of the oil well turns to fracturing to create new fractures and tap the potential lateral remaining oil to improve the productivity of the oil well.

关 键 词：安塞油田 中高含水井 双向调堵 自适应深部调驱 堵水压裂 

分 类 号：TE357.6[石油与天然气工程—油气田开发工程]