Invention Grant
- Patent Title: Loss circulation material composition having alkaline nanoparticle based dispersion and water soluble hydrolysable ester
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Application No.: US15679890Application Date: 2017-08-17
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Publication No.: US10759986B2Publication Date: 2020-09-01
- Inventor: Vikrant Wagle , Rajendra Kalgaonkar , Abdullah Al-Yami , Zainab Alsaihati
- Applicant: Saudi Arabian Oil Company
- Applicant Address: SA Dhahran
- Assignee: Saudi Arabian Oil Company
- Current Assignee: Saudi Arabian Oil Company
- Current Assignee Address: SA Dhahran
- Agency: Bracewell LLP
- Agent Constance G. Rhebergen; Brian H. Tompkins
- Main IPC: C09K8/506
- IPC: C09K8/506 ; C09K8/508 ; C09K8/504 ; C04B28/24 ; C09K8/516 ; C04B28/26 ; C01B32/20 ; C01B33/141 ; C01F11/18 ; C08G63/08 ; C09K8/03
Abstract:
A lost circulation material (LCM) is provided having an alkaline nanosilica dispersion and an ester activator. The alkaline nanosilica dispersion and the ester activator may form a gelled solid after interaction over a contact period. Methods of lost circulation control using the LCM are also provided.
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