Blowout preventer having a variable ram seal
Patent
·
OSTI ID:6468968
A blowout preventer is disclosed as including a ram-type seal element which can be compressed and deformed to seal around a variety of pipe sizes. The seal element is molded from a resilient rubber material and includes a generally semicircular section to sealingly engage pipes. A plurality of metallic support elements are embedded in the seal to support the rubber material for deformation essentially only in a radial inward direction to conform to the drill string pipe size, when force is applied to the seal by the ram hydraulic system.
- Assignee:
- N L Industries Inc
- Patent Number(s):
- US 4332367
- OSTI ID:
- 6468968
- Country of Publication:
- United States
- Language:
- English
Similar Records
Variable bore ram packing element and blowout preventer
Shear ram blowout preventer
Variable bore packer assembly for ram-type blowout preventers
Patent
·
Mon Apr 23 23:00:00 EST 1984
·
OSTI ID:6606467
Shear ram blowout preventer
Patent
·
Tue Sep 07 00:00:00 EDT 1982
·
OSTI ID:6784416
Variable bore packer assembly for ram-type blowout preventers
Patent
·
Tue Oct 21 00:00:00 EDT 1980
·
OSTI ID:6571113
Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
BLOWOUT PREVENTERS
COMPRESSION
DEFORMATION
DESIGN
ELASTOMERS
FABRICATION
MECHANICAL STRUCTURES
MOLDING
NATURAL GAS WELLS
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PIPES
POLYMERS
RUBBERS
SEALS
SUPPORTS
WELLS
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
BLOWOUT PREVENTERS
COMPRESSION
DEFORMATION
DESIGN
ELASTOMERS
FABRICATION
MECHANICAL STRUCTURES
MOLDING
NATURAL GAS WELLS
OIL WELLS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PIPES
POLYMERS
RUBBERS
SEALS
SUPPORTS
WELLS