腰英台油田微裂缝发育储层压裂技术研究与工艺评价  

RESEARCH AND EVALUATION OF FRACTURING TECHNOLOGY FOR RESERVOIR WITH MICRO-FRACTURE IN YAOYINGTAI OILFIELD

作　　者：刘圣战[1] 李晓明[2] 陈浩[2] 唐建虎[2] 

机构地区：[1]中原石油勘探局井下工艺技术研发中心 [2]胜利油田钻井五公司

出　　处：《钻采工艺》2007年第6期73-76,146,共4页Drilling & Production Technology

摘　　要：腰英台油田属于中低压,低渗、特低渗油气田,大部分油藏射孔后基本无自然产能或很低,压裂改造是提高单井产能,获得高产量的有效途径。但由于该油田的青山口组油气储层微裂缝极为发育,压裂过程中滤失和诱导缝的产生,使水力压裂裂缝延伸变得十分困难。经过对地质资料及以往压裂资料的分析,研究微裂缝储层压裂工艺技术,2006年经过52井次的压裂,工艺评价结论表明,该工艺技术基本上解决了用液量大,砂比低,施工困难,平均单井加砂量少等问题,取得了较好的压后效果,使该油田满足产能建设的目标要求,开发水平进一步提高。Yaoyingtai oilfield belongs to low pressure,low permeability and ultralow permeability reservoir,and most reservoirs have low natural deliverability or no deliverability after perforation.So fracturing is a very important way to improve deliverability and get high production.But,micro-fractures grow largely in Qingshankou formation of Yaoyingtai oil field,and it is difficult enough to fracture the reservoir because of filtration and leading fracture.Through the analysis of geologic information and fracturing information,the research on fracturing technology for reservoir with micro-fracture was carried out.Evaluation of fracturing for 52 wells in 2006 showed that the fracturing technology had resolved the problems such as large quantities of fracturing fluid,low proppant concentration,and less quantities of proppant in single well,and higher production had been gotten after fracturing.

关 键 词：腰英台 微裂缝 水力压裂 

分 类 号：TE357[石油与天然气工程—油气田开发工程]