Borehole cleaning井眼净化
1.The well was successfully completed through strict technical measures such as trajectory control, friction and torque and borehole cleaning.通过在轨迹控制、摩阻与扭矩、井眼净化等方面采取合理严格的技术措施 ,顺利完井 ,为开发本东油田提供了一些宝贵的施工经验。
2.In accordance with the characteristics of deviated wells and the strata in East Sichuan, this paper describes that compound emulsified and sulphonated drilling fluid was used in borehole cleaning, fric- tional drag control, anti-collapse, leakage prevention and stopping lost circulation.本文针对川东定向斜井和地层特点介绍了使用复合乳化磺化钻井液的井眼净化、摩阻控制、防塌和防漏堵漏等技术。
3)hole cleanout井眼净化
4)bore hole cleaning井眼净化
5)bottom hole flushing井底净化
1.The authors consider circulation fluid in reserve circulation drilling as rigid body and establish the bottom hole flushing model based upon moment balance theory etc.把反循环钻进中循环液体视为刚体 ,以力矩平衡等理论为依据 ,建立井底净化模型 ,对影响井底净化效果的各种因素如地层、钻头结构、工作规程、井底流场、压持效应和渗透规律等进行综合研究 ,推出最优净化条件 ,通过室内及野外试验进行验证。
6)clean drilling净化钻井
延伸阅读
回眼1.回转目光。
