高温高密度全白油基钻井液体系室内研究  

LABORATORY STUDIES ON HIGH-TEMPERATURE HIGH-DENSITY WHOLY-OIL-BASED DRILLING FLUID SYSTEM

作　　者：高远文 杨鹏 李建成 鞠红波 洪伟 王晓军 鲁政权 

机构地区：[1]中国石油长城钻探公司工程技术研究院 [2]中国石油长城钻探公司测井公司

出　　处：《钻采工艺》2016年第6期88-90,共3页Drilling & Production Technology

基　　金：国家科技重大专项(2011ZX05021-004);中国石油天然气集团公司重点科技攻关项目"高温高密度钻井液与可排放海水基钻井液成套技术研发(2013E-3802)"资助

摘　　要：为了满足页岩油、气等非常规油气及复杂深井的钻井要求,研制了高温高密度油基钻井液用有机褐煤降滤失剂,研发了高温高密度全白油基钻井液体系。研制的有机褐煤降滤失剂降滤失性能优良,抗温可达200℃。通过确定各主要处理荆的加量,研制了抗高温高密度的全白油基钻井液体系。实验评价表明,研制的高温高密度全白油基钻井液抗温最高可达220℃,密度最高达2.4 g/cm^3,具有沉降稳定性较强、滤失量低、储集层保护效果好,抗污染性能较好等特点。In order to meet the drilling demands of shale gas or shale oil reservoirs,unconventional oil/ gas reservoirs or ultradeep wells,organic lignite fdtrate reducer was produced and high-temperature high-density wholly- oil-based drilling fluid system was developed.The organic lignite filtrate reducer can significantly reduce the fluid loss,working temperature up to200 t.Tests were made to determine the optimal dosage of the main additives of the high-temperature high-density wholly-oilbased drilling fluid.The laboratory tests showed that the whollyoil-based drilling fluid developed could work well in temperatures up to 220℃,its density up to 2.4 g/cm^3,it has high settlement stability,low filtration rate,good reservoir protection performance,and high pollution resistance.

关 键 词：高温 高密度 全白油基 钻井液 降滤失剂 井壁稳定 

分 类 号：TE254[石油与天然气工程—油气井工程]