Invention Grant
- Patent Title: Phosphorylated amino polycarboxylic acid cement retarder
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Application No.: US16582121Application Date: 2019-09-25
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Publication No.: US11041108B2Publication Date: 2021-06-22
- Inventor: Thomas Jason Pisklak , Aaron Michael Beuterbaugh , Aleksey V. Kolasnikov
- Applicant: Halliburton Energy Services, Inc.
- Applicant Address: US TX Houston
- Assignee: Halliburton Energy Services, Inc.
- Current Assignee: Halliburton Energy Services, Inc.
- Current Assignee Address: US TX Houston
- Agency: McGuireWoods LLP
- Main IPC: C09K8/487
- IPC: C09K8/487 ; C04B28/04 ; C04B28/18 ; C04B24/00 ; C04B40/06 ; C04B14/06 ; E21B33/138 ; C04B40/00 ; C04B111/00 ; C04B103/22 ; C04B103/12 ; C04B103/46 ; C04B103/44 ; E21B33/14

Abstract:
A variety of systems, methods and compositions are disclosed, including, in one method, a method of cementing may comprise: providing a cement composition comprising: a hydraulic cement comprising Portland cement in an amount of about 50% by weight of hydraulic cement or less, water, and a phosphorylated amino polycarboxylic acid cement retarder; placing the cement composition in a wellbore; and allowing the cement composition to set. A cement composition, the composition comprising: a hydraulic cement comprising Portland cement in an amount of about 50% by weight of hydraulic cement or less; water; and a phosphorylated amino polycarboxylic acid cement retarder.
Public/Granted literature
- US20210087458A1 PHOSPHORYLATED AMINO POLYCARBOXYLIC ACID CEMENT RETARDER Public/Granted day:2021-03-25
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