公开(公告)号：US20150107858A1

公开(公告)日：2015-04-23

申请号：US14589219

申请日：2015-01-05

Applicant: M-I L.L.C.

Inventor： Ole Iacob Prebensen ,  Monica Norman ,  Anne-Marie Friestad ,  Egil Ronaes

IPC: E21B33/124 ,  C09K8/00

CPC classification number: E21B33/124 ,  C09K8/00 ,  C09K8/426 ,  C09K8/502 ,  C09K8/508 ,  C09K2208/02 ,  E21B21/08 ,  E21B33/16

Abstract: A pill for wellbore operations, that includes a base fluid; and at least two polymers that interact to form a gelatinous structure characterized as isolating and controllably transmitting hydrostatic pressure between a first wellbore fluid above the pill in a wellbore and a second wellbore fluid below the pill in the wellbore is disclosed.

Abstract translation: 用于井眼操作的药丸，包括基础液体; 和至少两种相互作用以形成凝胶状结构的聚合物，其特征在于分离并可控地将井筒内的第一井眼流体在井眼中的第一井眼流体与在井眼中的丸剂下方的第二井眼流体分离并可控地传递。

公开(公告)号：US09279304B2

公开(公告)日：2016-03-08

申请号：US14589219

申请日：2015-01-05

Applicant: M-I L.L.C.

Inventor： Ole Iacob Prebensen ,  Monica Norman ,  Anne-Marie Friestad ,  Egil Ronaes

IPC: C09K8/42 ,  E21B43/00 ,  E21B33/124 ,  C09K8/502 ,  C09K8/508 ,  E21B21/08 ,  E21B33/16 ,  C09K8/00

CPC classification number: E21B33/124 ,  C09K8/00 ,  C09K8/426 ,  C09K8/502 ,  C09K8/508 ,  C09K2208/02 ,  E21B21/08 ,  E21B33/16

Abstract: A pill for wellbore operations, that includes a base fluid; and at least two polymers that interact to form a gelatinous structure characterized as isolating and controllably transmitting hydrostatic pressure between a first wellbore fluid above the pill in a wellbore and a second wellbore fluid below the pill in the wellbore is disclosed.