发明名称 Lost circulation material for oilfield use
摘要 A composition for reducing lost circulation in a well, while drilling the well with a drilling mud, which is composed of a base fluid, a mixture of particles, and a blend of fibers. The composition is used by stopping drilling with the mud, injecting a spacer, injecting the water-based composition, injecting a spacer, and resuming drilling with the oil-based mud.
申请公布号 US8404622(B2) 申请公布日期 2013.03.26
申请号 US201113081663 申请日期 2011.04.07
申请人 GHASSEMZADEH JALEH;SCHLUMBERGER TECHNOLOGY CORPORATION 发明人 GHASSEMZADEH JALEH
分类号 C09K8/22;C09K8/74;E21B33/13 主分类号 C09K8/22
代理机构 代理人
主权项
地址