公开(公告)号：US11767457B2

公开(公告)日：2023-09-26

申请号：US15742869

申请日：2016-07-08

Applicant: M-I L.L.C. ,  M-I DRILLING FLUIDS U.K. LIMITED

Inventor： Clotaire-Marie Eyaa Allogo ,  Raymond Ravitz ,  Sooi Kim Lim

IPC: C09K8/08 ,  C09K8/504 ,  C09K8/512 ,  C09K8/514

CPC classification number: C09K8/08 ,  C09K8/5045 ,  C09K8/512 ,  C09K8/514 ,  C09K2208/18 ,  C09K2208/24 ,  C09K2208/26

Abstract: Wellbore fluids may contain an aqueous base fluid comprising a monovalent brine, a modified starch, and a metal oxide. Methods of using wellbore fluids may include drilling a subterranean well while circulating a wellbore fluid into the subterranean well, wherein the wellbore fluid contains an aqueous base fluid comprising a monovalent brine, a modified starch, and a metal oxide.

公开(公告)号：US20180201820A1

公开(公告)日：2018-07-19

申请号：US15742869

申请日：2016-07-08

Applicant: M-I L.L.C.

Inventor： Clotaire-Marie Eyaa Allogo ,  Raymond Ravitz ,  Sooi Kim Lim

IPC: C09K8/08 ,  C09K8/504 ,  C09K8/514 ,  C09K8/512

CPC classification number: C09K8/08 ,  C09K8/5045 ,  C09K8/512 ,  C09K8/514 ,  C09K2208/18 ,  C09K2208/24 ,  C09K2208/26

Abstract: Wellbore fluids may contain an aqueous base fluid comprising a monovalent brine, a modified starch, and a metal oxide. Methods of using wellbore fluids may include drilling a subterranean well while circulating a wellbore fluid into the subterranean well, wherein the wellbore fluid contains an aqueous base fluid comprising a monovalent brine, a modified starch, and a metal oxide.