Invention Grant
- Patent Title: Off bottom cementing system
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Application No.: US17400771Application Date: 2021-08-12
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Publication No.: US11767734B2Publication Date: 2023-09-26
- Inventor: Mohammed Jaber Al-Dossary
- 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: Osha Bergman Watanabe & Burton LLP
- Main IPC: E21B33/16
- IPC: E21B33/16 ; E21B34/10 ; E21B34/14 ; E21B17/14

Abstract:
A method includes setting a tubular above a bottom of the well. The tubular having a float shoe attached to a distal end of the tubular and a controllable port penetrating a wall of the float shoe. The method further includes isolating a section of the annulus, opening the controllable port, and pumping cement through the controllable port into the section of the annulus to cement the annulus of the well.
Public/Granted literature
- US20230046556A1 OFF BOTTOM CEMENTING SYSTEM Public/Granted day:2023-02-16
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