Invention Grant
- Patent Title: Cement retarder and method of using the same
- Patent Title (中): 水泥缓凝剂及其使用方法
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Application No.: US13172534Application Date: 2011-06-29
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Publication No.: US09410072B2Publication Date: 2016-08-09
- Inventor: William Chrys Scoggins
- Applicant: William Chrys Scoggins
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Agency: Jones & Smith, LLP
- Agent John Wilson Jones
- Main IPC: C09K8/467
- IPC: C09K8/467 ; E21B33/13 ; C04B28/02 ; C04B40/00 ; C07F5/02 ; C04B103/20
Abstract:
The reaction product of a polyhydroxy compound and borax is used as a cement retarder for slurries introduced into a wellbore. The molar ratio of the polyhydroxy compound to boron, derived from the borax, is from 1:1 to about 4:1. The polyhydroxy compound may be a sugar such as a gluconic acid, gluconate or glucoheptonate or a salt thereof.
Public/Granted literature
- US20130000904A1 Cement Retarder and Method of Using the Same Public/Granted day:2013-01-03
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