发明申请
- 专利标题: Expoxy Acid Based Biodegradable Set Retarder
- 专利标题(中): 基于超氧酸的生物降解型阻燃剂
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申请号: US13433560申请日: 2012-03-29
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公开(公告)号: US20120196954A1公开(公告)日: 2012-08-02
- 发明人: Abhijit Tarafdar , Dibyadarshani Senapati , Girish Dinkar Sarap , Rahul Chandrakant Patil
- 申请人: Abhijit Tarafdar , Dibyadarshani Senapati , Girish Dinkar Sarap , Rahul Chandrakant Patil
- 申请人地址: US TX Houston
- 专利权人: HALLIBURTON ENERGY SERVICES, INC.
- 当前专利权人: HALLIBURTON ENERGY SERVICES, INC.
- 当前专利权人地址: US TX Houston
- 主分类号: C09K8/467
- IPC分类号: C09K8/467
摘要:
A cement composition or method of using the cement composition in a subterranean formation, the composition having: (A) cement; (B) water; and (C) a polymer, wherein the polymer: (i) comprises a monomer or monomers selected from the group consisting of epoxysuccinic acid, a substituted epoxysuccinic acid, and an alkali metal salt, alkaline earth metal salt, or ammonium salt of any of the foregoing, and any combination of any of the foregoing; (ii) has the following characteristics: (a) is water soluble; and (b) is biodegradable; and (iii) is capable of providing: (a) a thickening time of at least 2 hours for a test composition at a temperature of 190° F. and a pressure of 5,160 psi; and (b) an initial setting time of less than 24 hours for the test composition at a temperature of 217° F. and a pressure of 3,000 psi.