Invention Grant
- Patent Title: Annular isolation device for managed pressure drilling
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Application No.: US14943972Application Date: 2015-11-17
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Publication No.: US10012044B2Publication Date: 2018-07-03
- Inventor: John Vinh Leba , Mario M. Reyna , Gordon Thomson , Chau Nguyen , Jerlib J. Leal , Walter Scott Dillard
- Applicant: Weatherford Technology Holding, LLC
- Applicant Address: US TX Houston
- Assignee: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
- Current Assignee: WEATHERFORD TECHNOLOGY HOLDINGS, LLC
- Current Assignee Address: US TX Houston
- Agency: Patterson & Sheridan, L.L.P.
- Main IPC: E21B21/08
- IPC: E21B21/08 ; E21B17/08 ; E21B33/06 ; E21B33/08

Abstract:
An annular isolation device for managed pressure drilling includes a first housing portion coupled to a second housing portion; a packing element at least partially disposed in the first housing portion; a penetrator coupled to the first housing portion; and a carrier coupled to the second housing portion, wherein the carrier is configured to receive a portion of the penetrator.
Public/Granted literature
- US20160138352A1 ANNULAR ISOLATION DEVICE FOR MANAGED PRESSURE DRILLING Public/Granted day:2016-05-19
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