Invention Grant
- Patent Title: Blowout preventer test joint assembly for testing variable bore rams, shear rams and annulars
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Application No.: US15199261Application Date: 2016-06-30
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Publication No.: US09771771B2Publication Date: 2017-09-26
- Inventor: Brian Williams , Gregory LaFleur
- Applicant: Brian Williams , Gregory LaFleur
- Applicant Address: US LA Sulphur
- Assignee: BACKOFF, LLC
- Current Assignee: BACKOFF, LLC
- Current Assignee Address: US LA Sulphur
- Agency: Keaty Law Firm, LLC
- Main IPC: E21B33/06
- IPC: E21B33/06 ; E21B47/00

Abstract:
The invention discloses a test joint assembly for testing subsea BOP stack valves and annulars in one trip. The test joint assembly has an outer mandrel and a telescopically extendable inner mandrel. The inner mandrel seals against a bottom sub member using a bullnose sealing member.
Public/Granted literature
- US20170009548A1 BLOWOUT PREVENTER TEST JOINT ASSEMBLY FOR TESTING VARIABLE BORE RAMS, SHEAR RAMS AND ANNULARS Public/Granted day:2017-01-12
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