Invention Grant
- Patent Title: Dual bit run bushing system and method
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Application No.: US15903375Application Date: 2018-02-23
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Publication No.: US10753161B2Publication Date: 2020-08-25
- Inventor: Helvecio Carlos Klinke da Silveira , Carlos Alexandre Marinho Lolo Vieira , Guaraci Bornia , Deivis Alves Verdan
- Applicant: Vetco Gray, LLC
- Applicant Address: US TX Houston
- Assignee: VETCO GRAY, LLC
- Current Assignee: VETCO GRAY, LLC
- Current Assignee Address: US TX Houston
- Agency: Hogan Lovells US LLP
- Main IPC: E21B17/10
- IPC: E21B17/10 ; E21B33/03 ; E21B17/12 ; E21B33/04 ; E21B34/02

Abstract:
A system includes a housing section positioned within a wellhead area, the housing section also includes a removable wellhead bushing arranged over at least one engagement feature of the housing. The system also includes a Christmas tree including a treehead area, the treehead area includes a removable treehead bushing arranged over at least one engagement feature of the treehead area. The system further includes a tubular extending through both the wellhead bushing and the treehead bushing, wherein the tubular includes an installation and removal tool adapted to remove at least one of the wellhead bushing and the treehead bushing during wellbore operations.
Public/Granted literature
- US20180238121A1 DUAL BIT RUN BUSHING SYSTEM AND METHOD Public/Granted day:2018-08-23
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