Subsea wellhead equipment
Patent
·
OSTI ID:6593699
This patent describes a tieback connector. It is for use in connecting a conductor to a tubular wellhead member mounted in an upright position at a subsea location and having a groove about its bore whose upper end is conically tapered downwardly and outwardly with respect to the bore and upwardly facing seat means about the upper end of the bore.
- Assignee:
- Dril-Quip, Inc., Houston, TX (USA)
- Patent Number(s):
- US 4941691; A
- Application Number:
- PPN: US s 7-204089
- OSTI ID:
- 6593699
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
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020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
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42 ENGINEERING
423000 -- Engineering-- Marine Engineering-- (1980-)
DRILL PIPES
DRILLING EQUIPMENT
EQUIPMENT
INSTALLATION
NATURAL GAS WELLS
OFFSHORE PLATFORMS
OIL WELLS
PIPES
UNDERWATER OPERATIONS
WELLHEADS
WELLS