塔里木盆地库车山前盐膏层钻井技术应用  

Drilling Technology for Kuqa Piedmont Salt Gypsum Layer in Tarim Basin

作　　者：宗世玉 邹林兵 史方 苗冬 杨桃 王卫阳 Zong Shiyu;Zou Linbing;Shi Fang;Miao Dong;Yang Tao;Wang Weiyang(Safety,Environmental Protection and Engineering Supervision Center,PetroChina Tarim Oilfield Company,Korla,Xinjiang 841000,China)

机构地区：[1]中国石油塔里木油田分公司安全环保与工程监督中心,新疆库尔勒841000

出　　处：《石油工业技术监督》2021年第10期14-16,29,共4页Technology Supervision in Petroleum Industry

摘　　要：针对塔里木盆地库车山前克深13区块盐膏层钻进时卡钻风险高的问题,提出了高密度油基钻井液技术、控压放水技术、控压钻井技术及小井眼领眼钻井盐底卡层技术等措施,确保套管封固全部盐膏层与溢漏层段,避免出现卡钻等复杂工况,为目的层钻进提供安全保障。In view of the high sticking risk in drilling salt gypsum layers of Keshen 13 block in Kuqa piedmont area,some measures such as the high-density oil-based drilling fluid technology,pressure-control drainage technology,pressure-control drilling technology and salt gypsum layer bottom determining technology in slim hole pilot drilling of Keshen 13 block are proposed,so as to ensure that the casing seals all salt gypsum layers and overflow and leakage cooccurrence section,avoid drilling sticking and other complex situations,and provide safety guarantee for the drilling of the target layer.

关 键 词：盐膏层 油基钻井液 控压放水 控压钻井 小井眼领眼钻井 

分 类 号：TE24[石油与天然气工程—油气井工程]