公开(公告)号：US10961430B2

公开(公告)日：2021-03-30

申请号：US16423883

申请日：2019-05-28

Applicant: Saudi Arabian Oil Company

Inventor： Vikrant Wagle ,  Rajendra Kalgaonkar ,  Abdullah Al-Yami ,  Zainab Alsaihati

IPC: C09K8/50 ,  C09K8/86 ,  C01B32/20 ,  C04B28/24 ,  C01F11/18 ,  C09K8/516 ,  C09K8/32 ,  C09K8/508 ,  C04B28/26 ,  C09K8/504 ,  C09K8/506 ,  C01B33/141 ,  C08G63/08 ,  C09K8/03

Abstract: A lost circulation material (LCM) is provided having an alkaline nanosilica dispersion and a polyester activator. The alkaline nanosilica dispersion and the polyester activator may form a gelled solid after interaction over a contact period. Methods of lost circulation control using the LCM are also provided.

公开(公告)号：US20190276727A1

公开(公告)日：2019-09-12

申请号：US16423883

申请日：2019-05-28

Applicant: Saudi Arabian Oil Company

Inventor： Vikrant Wagle ,  Rajendra Kalgaonkar ,  Abdullah Al-Yami ,  Zainab Alsaihati

IPC: C09K8/508 ,  C04B28/24 ,  C01B33/141 ,  C01F11/18 ,  C09K8/516 ,  C09K8/506 ,  C09K8/504 ,  C04B28/26 ,  C01B32/20 ,  C08G63/08

Abstract: A lost circulation material (LCM) is provided having an alkaline nanosilica dispersion and a polyester activator. The alkaline nanosilica dispersion and the polyester activator may form a gelled solid after interaction over a contact period. Methods of lost circulation control using the LCM are also provided.