摘要
针对西峰油田长8储层油井裂缝性水淹的现状,结合储层地质特点、动态开发特征等因素,开展了油井堵水与缝内转向压裂技术相结合的储层改造试验。单纯堵水后部分油井存在产液量下降,但未实现增油的现象,单纯转向压裂往往造成沟通出水裂缝,无法实现"降水"的目的。因此,结合堵水和转向压裂各自的技术优势,提出了堵水压裂联作技术思路,并进行了现场试验,取得了较好效果,实现了"降水增油"的措施目的,验证了新思路的可行性。
According to the water- out situation in Xifeng Chang 8 fractured reservoir,only adopting water shutoff technique couldn 't increase oil production,applying turnaround fracturing technology resulted in crack communicate not to realize the aim of 'decreasing water'. Therefore,the experiments on reservoir reconstruction by combining water shutoff and intra- fracture turnaround fracturing techniques were carried out.Based on the geology and dynamic development features of the reservoirs,integrating technical advantages of water shutoff and turnaround fracturing,the joint technology of water shutoff and fracturing was put forward,and successfully applied in field,the purpose of 'decreasing water and increasing oil'was achieved.
出处
《钻采工艺》
CAS
北大核心
2016年第2期58-60,3,共3页
Drilling & Production Technology
基金
中石油集团川庆钻探科技攻关项目"长庆低渗储层裂缝性水淹油井堵水技术研究"(2009-89)
关键词
裂缝
堵水
压裂
降水增油
fracture
water shutoff
fracturing
decreasing water and increasing oil
