公开(公告)号：US20230357629A1

公开(公告)日：2023-11-09

申请号：US17919494

申请日：2020-06-09

Applicant: RHODIA OPERATIONS

Inventor： Stanley Gunawan ,  Zhihua Zhang ,  Shaopeng Zhang ,  Igor Pimkov ,  Zhenxing Cheng ,  Qi Qu

IPC: E21B43/16 ,  C09K8/82 ,  C09K8/36 ,  C09K8/60 ,  C09K8/88

CPC classification number: C09K8/82 ,  C09K8/36 ,  C09K8/602 ,  C09K8/882 ,  E21B43/16 ,  C09K2208/28

Abstract: Water-in-oil emulsions are provided that include an alkyl propylene diamine and an ethoxylated alcohol as the inverting surfactant, which is present in an amount less than 5 percent by weight of the water-in-oil emulsion.

公开(公告)号：US12018211B2

公开(公告)日：2024-06-25

申请号：US17919494

申请日：2020-06-09

Applicant: RHODIA OPERATIONS

Inventor： Stanley Gunawan ,  Zhihua Zhang ,  Shaopeng Zhang ,  Igor Pimkov ,  Zhenxing Cheng ,  Qi Qu

IPC: C09K8/82 ,  C09K8/36 ,  C09K8/60 ,  C09K8/88 ,  E21B43/16

CPC classification number: C09K8/82 ,  C09K8/36 ,  C09K8/602 ,  C09K8/882 ,  E21B43/16 ,  C09K2208/28

Abstract: Water-in-oil emulsions are provided that include an alkyl propylene diamine and an ethoxylated alcohol as the inverting surfactant, which is present in an amount less than 5 percent by weight of the water-in-oil emulsion.