Blowout preventer shearing and sealing rams
Patent
·
OSTI ID:6557786
Rams are provided in a blowout preventer to shear the drill string and seal the well bore should the need arise. Two shearing rams have cutting blades which shear the drill pipe. A seal member is mounted behind one of the cutting blades and is adapted to move into sealing position after shearing has occurred. Elastsomer flow into areas where there has been damage to the seal member is permitted by the design of the seal member.
- Assignee:
- Hydril Co
- Patent Number(s):
- US 4240503
- OSTI ID:
- 6557786
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
42 ENGINEERING
420206 -- Engineering-- Mining & Drilling Equipment & Facilities-- (1980-1989)
BLOWOUT PREVENTERS
BOREHOLES
CAVITIES
CUTTING
DESIGN
DRILL PIPES
DRILLING EQUIPMENT
EQUIPMENT
MACHINING
NATURAL GAS WELLS
OIL WELLS
PIPES
SEALS
WELLS
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
42 ENGINEERING
420206 -- Engineering-- Mining & Drilling Equipment & Facilities-- (1980-1989)
BLOWOUT PREVENTERS
BOREHOLES
CAVITIES
CUTTING
DESIGN
DRILL PIPES
DRILLING EQUIPMENT
EQUIPMENT
MACHINING
NATURAL GAS WELLS
OIL WELLS
PIPES
SEALS
WELLS