发明名称 SURFACE TREATED LOST CIRCULATION MATERIAL
摘要 A granular lost circulation material for use in a wellbore during drilling operations to minimize loss of drilling fluid at a lost circulation area is disclosed. The granular lost circulation material comprises a granular material and a non-hardening tackifying agent. The granular material is coated with the non-hardening tackifying agent. The granular lost circulation material forms agglomerated particles, which form a filter cake at the lost circulation area.
申请公布号 WO2015057244(A1) 申请公布日期 2015.04.23
申请号 WO2013US65702 申请日期 2013.10.18
申请人 HALLIBURTON ENERGY SRRVICES, INC. 发明人 SAVARI, SHARATH;REDDY, B., RAGHAVA
分类号 E21B21/01;E21B21/08 主分类号 E21B21/01
代理机构 代理人
主权项
地址