公开(公告)号：US09840654B2

公开(公告)日：2017-12-12

申请号：US13679457

申请日：2012-11-16

Applicant: M-I, L.L.C.

Inventor： Rachel Anne Cole ,  Anders Grinrod ,  Alexandra Cely

IPC: C09K8/528 ,  C09K8/52

CPC classification number: C09K8/528 ,  C09K8/52 ,  C09K2208/22

Abstract: A kinetic gas hydrate inhibitor is provided as a polyester polymer with a plurality of amino or ammonium groups pendent directly from the backbone. A composition containing concentrated kinetic inhibitor is injected into gas wells, or into other systems involving transporting liquid gas mixtures through a conduit. Use of the kinetic inhibitor prevents formation of gas hydrates under conditions of temperature and pressure where they would otherwise occur.

公开(公告)号：US20170137692A1

公开(公告)日：2017-05-18

申请号：US15349605

申请日：2016-11-11

Applicant: M-I L.L.C. ,  SCHLUMBERGER NORGE AS

Inventor： Stephen Cliffe ,  Anders Grinrod

IPC: C09K8/36 ,  E21B21/00

CPC classification number: C09K8/36 ,  C09K8/035 ,  C09K8/52 ,  C09K2208/12 ,  C09K2208/28 ,  E21B21/00 ,  E21B21/003

Abstract: Accretion inhibiting wellbore fluid compositions a ay contain a multiester, a sorbitan ester surfactant, and a base fluid, wherein the composition is in the form of a metastable emulsion. Methods may include emplacing a wellbore fluid into a wellbore, the wellbore fluid containing a multiester, and a sorbitan ester surfactant, wherein the wellbore fluid forms a metastable emulsion.

公开(公告)号：US10253238B2

公开(公告)日：2019-04-09

申请号：US15349605

申请日：2016-11-11

Applicant: M-I L.L.C. ,  SCHLUMBERGER NORGE AS

Inventor： Stephen Cliffe ,  Anders Grinrod

IPC: C09K8/36 ,  E21B21/00 ,  C09K8/035 ,  C09K8/52

Abstract: Accretion inhibiting wellbore fluid compositions a ay contain a multiester, a sorbitan ester surfactant, and a base fluid, wherein the composition is in the form of a metastable emulsion. Methods may include emplacing a wellbore fluid into a wellbore, the wellbore fluid containing a multiester, and a sorbitan ester surfactant, wherein the wellbore fluid forms a metastable emulsion.

公开(公告)号：US20140142002A1

公开(公告)日：2014-05-22

申请号：US13679457

申请日：2012-11-16

Applicant: M-I, L.L.C.

Inventor： Rachel Anne Cole ,  Anders Grinrod ,  Alexandra Cely

IPC: C09K8/528

CPC classification number: C09K8/528 ,  C09K8/52 ,  C09K2208/22

Abstract: A kinetic gas hydrate inhibitor is provided as a polyester polymer with a plurality of amino or ammonium groups pendent directly from the backbone. A composition containing concentrated kinetic inhibitor is injected into gas wells, or into other systems involving transporting liquid gas mixtures through a conduit. Use of the kinetic inhibitor prevents formation of gas hydrates under conditions of temperature and pressure where they would otherwise occur.

Abstract translation: 提供动力气体水合物抑制剂作为聚酯聚合物，其具有直接从骨架悬挂的多个氨基或铵基团。 将含有浓缩动力学抑制剂的组合物注入气井，或注入到通过导管输送液体气体混合物的其它系统中。 使用动力学抑制剂可防止气体水合物在温度和压力条件下形成，否则会发生这种情况。

公开(公告)号：US10087382B2

公开(公告)日：2018-10-02

申请号：US14076800

申请日：2013-11-11

Applicant: Schlumberger Norge AS ,  M-I L.L.C.

Inventor： Tore Nordvik ,  Anders Grinrod ,  Rachael Anne Cole ,  Astrid Lone ,  Chandrashekhar Yeshwant Khandekar

IPC: C10L1/18 ,  C10L1/19 ,  C07C67/08 ,  C07C69/675 ,  C07C69/84 ,  C10L10/04 ,  C10L10/08 ,  C08G83/00 ,  C09K8/524 ,  C10L1/198

Abstract: A number of variations may include a product including a fluid additive including at least one asphaltene dispersant/inhibitor including a branched dendritic core and at least one carboxylic acid moiety.