弹性体型胶粘材料在大庆油田裂缝性漏失中的应用研究  

Application of elastic adhesive material in drilling fluid plugging of fractured formation in Daqing Oilfield

作　　者：闫晶[1] 张坤[1] 郭栋 栾广涵 YAN Jing;ZHANG Kun;GUO Dong;LUAN Guanghan(Drilling Engineering Technology Research Institute of Daqing Drilling Engineering Company,Daqing Heilongjiang 163413,China)

机构地区：[1]大庆钻探工程公司钻井工程技术研究院,黑龙江大庆163413

出　　处：《钻探工程》2024年第2期133-139,共7页Drilling Engineering

基　　金：中国石油天然气股份有限公司科学技术研究与技术开发项目“大庆油气持续有效发展关键技术研究与应用”课题11“深层天然气高效开发技术研究与应用支撑项目”(编号:2016E-0211)。

摘　　要：针对大庆油田深部裂缝性地层漏失严重、桥塞堵漏材料堵漏效果不佳的问题,引入了弹性体型胶粘材料,与桥塞堵漏材料复配,形成了热塑性复合堵漏技术,室内实验表明该技术可抗温160℃,承压5 MPa,封堵4 mm内裂缝。在大庆油田25口深井中进行了现场试验和应用,现场数据表明热塑性复合堵漏技术较桥塞堵漏技术堵漏效果更佳,堵漏成功率100%,承压7.5 MPa,未发生由于恶性漏失导致提前完钻的情况。In view of the serious leakage and poor plugging effect of bridge plug plugging materials in deep fractured formations of Daqing Oilfield,the thermoplastic composite plugging technology was formed by introducing elastic adhesive materials and mixed with bridge plugging materials.Laboratory tests were carried out in 25 deep wells of Daqing Oilfield.The results show that the thermoplastic composite plugging technology has better plugging effect than that of the bridge plugging technology.The plugging success rate is 100%,the pressure⁃bearing is 7.5MPa,and finishing drilling ahead of schedule due to vicious leakage has not been occurred.

关 键 词：弹性体型胶粘材料 热塑性复合堵漏技术 深井 裂缝性地层 漏失 

分 类 号：TE28[石油与天然气工程—油气井工程] P634.8[天文地球—地质矿产勘探]