超深高压裂缝性储层加砂压裂技术研究  

RESEARCH ON SAND FRACTURING TECHNOLOGY IN ULTRA-DEEP HIGH PRESSURE FRACTURED RESERVOIRS

作　　者：郑维师[1,2] 邹鸿江[1,2] 周然[1,2] 张承武[1,2] 何毅[1,2] 吴军[1,2] 刘宇凡[3] 

机构地区：[1]塔里木油田公司油气工程研究院 [2]川庆钻探工程有限公司钻采工程技术研究院 [3]西南石油大学

出　　处：《钻采工艺》2013年第6期71-73,78,共4页Drilling & Production Technology

摘　　要：针对大北、克深超深高压裂缝性砂岩储层改造的"三高"难题(施工泵压高、压裂液性能要求高、砂堵风险高),研究了降低井口施工泵压的对策,通过研发耐高温加重压裂液体系,配置大通径管柱结构,优选小粒径高强度支撑剂,配套高压施工设备和井口,应用小型测试压裂技术、支撑剂段塞技术、酸预处理技术等压前预处理技术,配合加砂压裂现场实施控制,形成了超深高压裂缝性砂岩储层改造技术,在大北、克深气田取得较好的增产改造效果。According to the 'three high'problems,such as high pump pressure,high requirement of fracturing fluid and high risk of sand out existent in ultradeep high pressure fractured reservoirs of Dabei and Keshen area,the countermeasures of reducing wellhead pump pressure were studied,the sand fracturing technology suited for ultradeep high pressure fractured reservoirs was formed by developing high temperature weighting fracturing fluid,collocating big drift diameter tubular construction,optimizing little grain size and histrength proppant,supporting high pressure construction equipment,and applying pre-processing technologies before fracturing,including mini frac,proppant slug and acid preprocessing and so on,and field application results showed that the fracturing technology had preferable increase production effect.

关 键 词：超深 高压 裂缝性砂岩 加砂压裂 

分 类 号：TE357[石油与天然气工程—油气田开发工程]