- 专利标题： METHODS INVOLVING CEMENTS THAT EMPLOY CARBON DIOXIDE AS A REACTANT
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申请号： US17600833申请日： 2020-04-01
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公开(公告)号： US20220186103A1公开(公告)日： 2022-06-16
- 发明人: Kenneth M. COWAN , Robert L. ZELLER, III , Elias R. CALLAHAN, III , James S. WILLIS
- 申请人： Oxy Low Carbon Ventures, LLC
- 申请人地址： US TX Houston
- 专利权人： Oxy Low Carbon Ventures, LLC
- 当前专利权人： Oxy Low Carbon Ventures, LLC
- 当前专利权人地址： US TX Houston
- 国际申请： PCT/US2020/026235 WO 20200401
- 主分类号： C09K8/46
- IPC分类号： C09K8/46 ; C04B28/18 ; C04B40/02 ; C04B38/10 ; E21B33/14
摘要：
A method of cementing an annular space between a pipe string and a well bore, the method comprising the steps of (a) providing a cement composition including a calcium-deficient calcium silicate; (b) mixing the cement composition with water to form a cement slurry; (c) mixing the cement slurry composition with carbon dioxide form a foamed cement; and (d) placing the foamed cement in the annular space between the pipe string and the wellbore.
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