发明名称 METHOD OF USING DELAYED HYDRATABLE POLYMERIC VISCOSIFYING AGENT IN THE TREATMENT OF A WELL OR SUBTERRANEAN FORMATION
摘要 The disclosure relates to a method of delaying viscosification of a well treatment fluid within a well or within a subterranean formation penetrated by a well by introducing into the well a hydratable viscosifying agent of particulates having a minimum of 40% retention on a 60 mesh screen and a minimum of 1% retention on a 20 mesh screen.
申请公布号 US2015075792(A1) 申请公布日期 2015.03.19
申请号 US201314029520 申请日期 2013.09.17
申请人 BAKER HUGHES INCORPORATED 发明人 Brandl Andreas;Magelky Christina;Doan Angel Anh;Bray Windal Scott
分类号 E21B43/25;E21B33/13;E21B43/26;E21B21/00 主分类号 E21B43/25
代理机构 代理人
主权项 1. A method of delaying viscosification of a well treatment fluid within a well or within a subterranean formation penetrated by a well, the method comprising introducing into the well or subterranean formation a well treatment fluid containing a hydratable polymeric viscosifying agent comprising particulates having a minimum of 40% retention on a 60 mesh screen and a minimum of 1% retention on a 20 mesh screen.
地址 HOUSTON TX US