- 专利标题： Nanoclay as an additive for high pressure and high temperature well cementing
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申请号： US14573728申请日： 2014-12-17
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公开(公告)号： US09650296B2公开(公告)日： 2017-05-16
- 发明人: Muhammad Kalimur Rahman , Mobeen Murtaza , Abdulaziz Abdalla Al-Majed , Mesfer Mohammed Al-Zahrani
- 申请人： King Fahd University of Petroleum and Minerals
- 申请人地址： SA Dhahran
- 专利权人： King Fahd University of Petroleum and Minerals
- 当前专利权人： King Fahd University of Petroleum and Minerals
- 当前专利权人地址： SA Dhahran
- 代理机构： Oblon, McClelland, Maier & Neustadt, L.L.P.
- 主分类号： C04B14/10
- IPC分类号： C04B14/10 ; E21B33/13 ; C04B16/00 ; C04B24/42 ; C04B28/02 ; C09K8/473 ; C09K8/48 ; C09K8/487 ; C04B103/00
摘要：
A cement slurry composition, containing hydraulic cement, water, and from 1 to less than 4% of an organically modified nanoclay. A method for cementing a high pressure high temperature well by pumping the cement composition of claim 1 between a casing and a formation of a well bore to fill a gap between the casing and the formation, and allowing the cement to harden.
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