- Patent Title: Environmental friendly well treatment fluids comprising an ester
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Application No.: US14916229Application Date: 2013-10-31
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Publication No.: US10253236B2Publication Date: 2019-04-09
- Inventor: Diana Mäker , Heinz Müller
- Applicant: AMRIL AG
- Applicant Address: CH Zug
- Assignee: AMRIL AG
- Current Assignee: AMRIL AG
- Current Assignee Address: CH Zug
- Agency: Nexsen Pruet, PLLC
- Agent Philip P. McCann
- International Application: PCT/EP2013/072803 WO 20131031
- International Announcement: WO2015/062656 WO 20150507
- Main IPC: C09K8/06
- IPC: C09K8/06 ; C09K8/035 ; C09K8/54 ; C23F11/10 ; C23F11/12 ; C11D1/58 ; C09K8/40 ; C09K8/68 ; C09K8/86

Abstract:
The present invention relates to environmental friendly well treatment fluids comprising water and/or an organic phase and an ester obtainable by reacting a polycarboxylic acid with a hydroxy monocarboxylic acid. The invention also relates to the use of said ester as viscosifier and/or corrosion inhibitor for a well treatment fluid and preferably for a well treatment fluid for offshore well drilling.
Public/Granted literature
- US20160230069A1 ENVIRONMENTAL FRIENDLY WELL TREATMENT FLUIDS COMPRISING AN ESTER Public/Granted day:2016-08-11
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