Invention Grant
- Patent Title: Method and system for locking an upper end of an expanded tubular within a host casing
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Application No.: US15855153Application Date: 2017-12-27
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Publication No.: US10597961B2Publication Date: 2020-03-24
- Inventor: Antonius Leonardus Maria Wubben , Tino Walter Van Der Zee , Djurre Hans Zijsling
- Applicant: SHELL OIL COMPANY
- Applicant Address: US TX Houston
- Assignee: SHELL OIL COMPANY
- Current Assignee: SHELL OIL COMPANY
- Current Assignee Address: US TX Houston
- Priority: EP15174881 20150701
- Main IPC: E21B23/01
- IPC: E21B23/01 ; E21B43/10
Abstract:
A to be expanded tubular (4) can be locked to a previously installed host casing (2) using a self energizing top anchor (SETA) tool. This SETA tool has an anchoring section with a set of anchoring slips (1), and a centralizer which is connected to the body of the anchoring section. The anchoring slips (1) engage the host casing (2) once an expansion cone (3) presses the tubular against the shoulder of the centralizer. The SETA tool is further provided with a guide nose (7) to which a force transmission sub (8) is connected.
Public/Granted literature
- US20180119504A1 METHOD AND SYSTEM FOR LOCKING AN UPPER END OF AN EXPANDED TUBULAR WITHIN A HOST CASING Public/Granted day:2018-05-03
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