公开(公告)号：US10065890B2

公开(公告)日：2018-09-04

申请号：US15488049

申请日：2017-04-14

申请人： King Fahd University of Petroleum and Minerals

发明人： Muhammad Kalimur Rahman ,  Mobeen Murtaza ,  Abdulaziz Abdalla Al-Majed ,  Mesfer Mohammed Al-Zahrani

IPC分类号： C04B28/02 ,  C04B24/42 ,  C09K8/467 ,  C09K8/473 ,  C09K8/48 ,  C09K8/487 ,  C04B103/00 ,  C04B111/00

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.

公开(公告)号：US09650296B2

公开(公告)日：2017-05-16

申请号：US14573728

申请日：2014-12-17

申请人： King Fahd University of Petroleum and Minerals

发明人： Muhammad Kalimur Rahman ,  Mobeen Murtaza ,  Abdulaziz Abdalla Al-Majed ,  Mesfer Mohammed Al-Zahrani

IPC分类号： C04B14/10 ,  E21B33/13 ,  C04B16/00 ,  C04B24/42 ,  C04B28/02 ,  C09K8/473 ,  C09K8/48 ,  C09K8/487 ,  C04B103/00

CPC分类号： C04B16/00 ,  C04B24/425 ,  C04B28/02 ,  C04B2103/0029 ,  C04B2103/0035 ,  C04B2103/0036 ,  C09K8/473 ,  C09K8/48 ,  C09K8/487 ,  C04B14/062 ,  C04B38/02 ,  C04B2103/20 ,  C04B2103/408 ,  C04B2103/46 ,  C04B2103/50

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.