公开(公告)号：US11091686B2

公开(公告)日：2021-08-17

申请号：US15542973

申请日：2016-01-07

Applicant: Schlumberger Technology Corporation

Inventor： Quentin Barral ,  Nicolas Droger ,  Slaheddine Kefi ,  Loic Regnault De La Mothe

IPC: C09K8/40 ,  C09K8/52 ,  E21B37/00 ,  E21B33/14

Abstract: Well treatment compositions comprise water, a lipophilic anionic surfactant, a hydrophilic non-ionic surfactant, a second non-ionic surfactant, a water-solubilizing solvent, a water-immiscible solvent and a lipophilic non-ionic surfactant. Optionally, a second solvent may be incorporated. When added to spacer fluids, chemical washes or both, the compositions promote the removal of non-aqueous drilling fluids from casing surfaces. Additionally, the treated casing surfaces are water wet, thereby promoting optimal bonding to cement.

公开(公告)号：US09528365B2

公开(公告)日：2016-12-27

申请号：US14283234

申请日：2014-05-21

Applicant: Schlumberger Technology Corporation

Inventor： Quentin Barral ,  Alice Chougnet-Sirapian ,  Bernard Dargaud ,  Nora Bennani ,  Dominique Zamora ,  Slaheddine Kefi

IPC: E21B47/00 ,  E21B33/13 ,  E21B21/00

CPC classification number: E21B47/00 ,  E21B21/00 ,  E21B33/13

Abstract: An apparatus may be used to test the ability of a first fluid to remove a second fluid from a surface. The apparatus comprises a reservoir that contains the first fluid and a testing cell that contains the second fluid. The testing cell also contains a rotor within. The first fluid is pumped into the testing cell, thereby displacing the second fluid. The displaced second fluid flows to a collection vessel. The apparatus is particularly useful for determining the ability of a chemical wash or a spacer fluid to remove non-aqueous drilling fluids from a metallic surface.

Abstract translation: 可以使用装置来测试第一流体从表面去除第二流体的能力。 该装置包括容纳第一流体的容器和包含第二流体的测试池。 测试单元还包含一个转子。 将第一流体泵送到测试单元中，从而移动第二流体。 流离失所的第二流体流入收集容器。 该装置对于确定化学清洗或间隔液从金属表面除去非水性钻井液的能力特别有用。

公开(公告)号：US20140352948A1

公开(公告)日：2014-12-04

申请号：US14283234

申请日：2014-05-21

Applicant: Schlumberger Technology Corporation

Inventor： Quentin Barral ,  Alice Chougnet-Sirapian ,  Bernard Dargaud ,  Nora Bennani ,  Dominique Zamora ,  Slaheddine Kefi

IPC: E21B47/00

CPC classification number: E21B47/00 ,  E21B21/00 ,  E21B33/13

Abstract: An apparatus may be used to test the ability of a first fluid to remove a second fluid from a surface. The apparatus comprises a reservoir that contains the first fluid and a testing cell that contains the second fluid. The testing cell also contains a rotor within. The first fluid is pumped into the testing cell, thereby displacing the second fluid. The displaced second fluid flows to a collection vessel. The apparatus is particularly useful for determining the ability of a chemical wash or a spacer fluid to remove non-aqueous drilling fluids from a metallic surface.

Abstract translation: 可以使用装置来测试第一流体从表面去除第二流体的能力。 该装置包括容纳第一流体的容器和包含第二流体的测试池。 测试单元还包含一个转子。 将第一流体泵送到测试单元中，从而移动第二流体。 流离失所的第二流体流入收集容器。 该装置对于确定化学清洗或间隔液从金属表面除去非水性钻井液的能力特别有用。