聚合物钻井液体系在松辽盆地油气井中的应用  

Application of Polymer Drilling Fluid System in Oil and Gas Well at Songliao Basin

作　　者：孙飞飞 宋世杰 葛晓华 SUN Feifei;SONG Shijie;GE Xiaohua(Shandong No.3 Geology&Mineral Resources Exploration Institute,Yantai,Shandong 264004,China)

机构地区：[1]山东省第三地质矿产勘查院,山东烟台264004

出　　处：《地质装备》2021年第3期36-38,共3页Equipment for Geotechnical Engineering

摘　　要：油气井位于松辽盆地东部断隆区拜泉隆起带上,上二叠统上部钻遇一断层,明水组以上疏松地层及不整合面,钻井中利用合理的钻井液很好地起到了防漏、防塌等作用;钻进深层较致密—致密地层也起到了防卡的效果;钻遇裂缝时,发生井漏,钻井液通过添加有效的堵漏剂防漏作用明显。邻井钻探过程中的工程事故较多,施工中选择合理的钻井液,起到了很好的护壁堵漏效果,保障了油气井钻探的顺利施工。The oil and gas well located on the Baiquan uplift belt at the eastern Songliao Basin is drilled through a fault at the upper part of upper Permian and loose strata and unconformity surface above Mingshui Formation.The problems of leakage and collapse are well presented because reasonable drilling fluid is used in drilling;it also has obvious effect of preventing sticking during drilling deep relatively dense to dense strata and leakage prevention by adding effective leakage plugging agent when drilling through cracks.Although there are many engineering accidents in the drilling process at adjacent wells,reasonable drilling fluid used in drilling has played a very good effect in wall protection and plugging,ensured the successful drilling of this oil and gas well.

关 键 词：钻井液 松辽盆地 油气井 疏松地层 

分 类 号：P634.6[天文地球—地质矿产勘探]