长庆靖边气田碳酸盐岩储层加砂压裂工艺技术应用效果分析  

Analysis for Effect of Adding Sand Fracture in Carbonate Rock Reservoir in Changqing Jingbian Gas Field

作　　者：黄建宁[1] 

机构地区：[1]长庆油田公司工程技术管理部,陕西西安710021

出　　处：《油气井测试》2007年第1期46-48,共3页Well Testing

摘　　要：针对靖边气田下古生界奥陶系马家沟组碳酸盐岩Ⅲ类储层孔隙充填程度高,渗透率低,酸化改造等措施效果不好等情况,提出加砂压裂改造。从碳酸盐岩人工裂缝形态的判识入手,在设计优化、液体性能和裂缝导流能力的认识上取得了突破。前置液中加入固相微粒段塞,采用40-60目的陶粒作为主支撑剂,使单井压裂规模超过了34 m3,基本解决了碳酸盐岩压裂的携砂、水化、返排等难题,现为长庆靖边气田碳酸盐岩Ⅲ类储层的主体开发技术。Of theⅢtype reservoir of Majiagou carbonate rock of down Paleozoic Ordovician in Jinbian gas field, filling content of pore is high , its permeability is low and treatment effect of acidizing reform is not good, so adding sand fracture is suggested. From distinguishing man made crack shape in carbonate rock, a break through at design optimum, liquid property and flow capacity of crack has been gained. Filling solid mote tuck in preceding fluid, utilizing pottery grain of 40-60 as proppant, that makes fracture scale in single well exceeding 34m3, resolves problems of carrying sand, hydrated and back flow of fracture in carbonate rock basically, which has been a principal part of exploiting tech in Changqing jingbian gas field.

关 键 词：靖边气田 碳酸盐岩 加砂压裂 主体开发技术 

分 类 号：TE377[石油与天然气工程—油气田开发工程]