钻井液与完井液2024，Vol.41Issue(6)：742-746,5.DOI:10.12358/j.issn.1001-5620.2024.06.006
钻井液用自适应堵漏材料的研制
Development of Self-adaptive Plugging Material for Drilling Fluid
摘要
Abstract
In view of the fact that the characteristics of the easy-to-leak formation are not accurately grasped during the plugging process,the self-adaptive ability of the field plugging material is poor,and it is easy to cause the bad plugging effect and the repeated leakage after plugging.Through the optimization of the deformable material and the use of the characteristics of the rigid plugging material,a screw extruder is used to coat the deformable material on the surface of the rigid plugging material to achieve the effective combination of the two,an adaptive plugging material with good compression resistance and elasticity has been developed.The temperature resistance reaches 170℃,it can deform without breaking under 69 MPa pressure and the springback rate reaches 80%after the pressure is removed.The self-adaptive plugging formula can effectively plug the changing seam width of 1mm-6mm with less leakage and pressure bearing capacity of 6 MPa.关键词
堵漏材料/自适应/钻井液/承压能力Key words
Plugging material/Self-adapting/Drilling fluid/Bearing capacity分类
能源科技引用本文复制引用
夏海英,杨丽,陈智晖..钻井液用自适应堵漏材料的研制[J].钻井液与完井液,2024,41(6):742-746,5.基金项目
中国石化科技攻关项目"川西须二气藏难动用储量钻完井关键技术"(P24162). （P24162）
