洗象池群改造工艺研究与应用  

Research and application of stimulation treatment in Xixiangchi Formation

作　　者：王辉[1] WANG Hui(Sinopec Jianghan Oilfield Company,Qianjiang,Hubei 433124,China)

机构地区：[1]中石化江汉油田分公司,湖北潜江433124

出　　处：《江汉石油职工大学学报》2022年第6期13-15,共3页Journal of Jianghan Petroleum University of Staff and Workers

摘　　要：P1井是针对寒武-奥陶系钻探的第一口区域风险探井,储层洗象池群为新层系,处于探索试验阶段,勘探程度整体较低,尚无邻井取得突破。此次采取改造工艺,通过组合压裂沟通微裂缝延伸主缝,后采用自主研发的高/低粘清洁酸体系,提升非均匀刻蚀效果。严格控制施工过程,确保洗象池群储层改造顺利完成。压后采用12mm油嘴测试产量25万方/天,标志着本区域洗象池群新层系开发取得突破。Well P1 is the first pilot well drilled in the Cambrian-Ordovician formations of the area.The Xixiangchi Formation reservoir is a new layer,and it is in the exploration and test phase.The exploration scale is relatively low,and no breakthrough has been made in the offset wells.The stimulation treatment was adopted to communicate microfractures and propagate the dominant fractures through combined fracturing jobs,and then the self-developed high/low viscosity cleaning acid system was used to improve the non-uniform corrosion effect.The operation process was strictly controlled to ensure the smooth stimulation of Xixiangchi Formation reservoirs.After fracturing,12mm choke was used to test for the production of 250,000m~3/day,marking a breakthrough in the development of new layers in the Xixiangchi Formation in this area.

关 键 词：洗象池群 白云岩 复合酸压 非均匀刻蚀 

分 类 号：TE357.13[石油与天然气工程—油气田开发工程]