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Class Information
Number: 166/364
Name: Wells > Submerged well > Including disaster feature
Description: Device wherein the well structure is provided with means allowing damaging conditions to occur without total loss of the well.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7451822 |
Method for retrieving riser for storm evacuation |
Nov. 18, 2008 |
| 7373985 |
Two-part telescopic tensioner for risers at a floating installation for oil and gas production |
May. 20, 2008 |
| 7314087 |
Heave compensation system for hydraulic workover |
Jan. 1, 2008 |
| 7264058 |
Arrangement and method for regulating bottom hole pressures when drilling deepwater offshore wells |
Sep. 4, 2007 |
| 7240734 |
System and method for fail-safe disconnect from a subsea well |
Jul. 10, 2007 |
| 7121345 |
Subsea tubing hanger lockdown device |
Oct. 17, 2006 |
| 6997260 |
Method of repairing tubular members on oil and gas wells |
Feb. 14, 2006 |
| 6715551 |
Apparatus and methods for applying time lapse VSP to monitor a reservoir |
Apr. 6, 2004 |
| 6622793 |
Method for carrying out operations on petroleum and gas fields and deep-sea platform for realizing the same |
Sep. 23, 2003 |
| 6568476 |
Triggering mechanism for disconnecting a riser from a riser connector |
May. 27, 2003 |
| 6561714 |
Breakaway joint for subsea components |
May. 13, 2003 |
| 6457528 |
Method for preventing critical annular pressure buildup |
Oct. 1, 2002 |
| 6408947 |
Subsea connection apparatus |
Jun. 25, 2002 |
| 6394702 |
Emergency dump apparatus for buoyancy air tanks on buoyant riser systems |
May. 28, 2002 |
| 6321846 |
Sealing device for use in subsea wells |
Nov. 27, 2001 |
| 6296421 |
Emergency dump apparatus for buoyancy air tanks on buoyant riser systems |
Oct. 2, 2001 |
| 6253854 |
Emergency well kill method |
Jul. 3, 2001 |
| 6202753 |
Subsea accumulator and method of operation of same |
Mar. 20, 2001 |
| 6193441 |
Emergency dump apparatus for buoyancy air tanks on buoyant riser systems |
Feb. 27, 2001 |
| 6182762 |
Storm valve |
Feb. 6, 2001 |
| 6179057 |
Apparatus and method for killing or suppressing a subsea well |
Jan. 30, 2001 |
| 6123151 |
Valve for use in a subsea drilling riser |
Sep. 26, 2000 |
| 6102626 |
Caisson wellhead system and method of installing the same |
Aug. 15, 2000 |
| 6032742 |
Blowout preventer control system |
Mar. 7, 2000 |
| 5984012 |
Emergency recovery system for use in a subsea environment |
Nov. 16, 1999 |
| 5437332 |
Control system for wild oil and gas wells and other uncontrolled dangerous discharges |
Aug. 1, 1995 |
| 5252005 |
Cylinder rod fire protection system |
Oct. 12, 1993 |
| 5158397 |
Passive fire protective systems for articulating joints and flexible connections |
Oct. 27, 1992 |
| 5146990 |
Anchoring structure for marine riser assembly |
Sep. 15, 1992 |
| 5050680 |
Environmental protection for subsea wells |
Sep. 24, 1991 |
| 5012854 |
Pressure release valve for a subsea blowout preventer |
May. 7, 1991 |
| 4901803 |
Method and equipment for performing drilling operations and servicing in an underwater well from a floating surface installation |
Feb. 20, 1990 |
| 4899827 |
Oil well fire control system |
Feb. 13, 1990 |
| 4825953 |
Well servicing system |
May. 2, 1989 |
| 4630680 |
Well control method and apparatus |
Dec. 23, 1986 |
| 4624318 |
Method and means for storing a marine riser |
Nov. 25, 1986 |
| 4568220 |
Capping and/or controlling undersea oil or gas well blowout |
Feb. 4, 1986 |
| 4495999 |
Deep water hydrostatic head control |
Jan. 29, 1985 |
| 4463987 |
System for undersea recovery of hydrocarbons |
Aug. 7, 1984 |
| 4456071 |
Oil collector for subsea blowouts |
Jun. 26, 1984 |
| 4442902 |
Remote hydraulic control method and apparatus, notably for underwater valves |
Apr. 17, 1984 |
| 4436157 |
Latch mechanism for subsea test tree |
Mar. 13, 1984 |
| 4436154 |
Method for controlling subsurface blowout |
Mar. 13, 1984 |
| 4427073 |
Deep water hydrostatic head control |
Jan. 24, 1984 |
| 4413688 |
Diverter valve |
Nov. 8, 1983 |
| 4397357 |
Disconnectable production riser assembly |
Aug. 9, 1983 |
| 4352596 |
Stab system for equipment removal |
Oct. 5, 1982 |
| 4347900 |
Hydraulic connector apparatus and method |
Sep. 7, 1982 |
| 4337831 |
Fire extinguishing apparatus for oil wells |
Jul. 6, 1982 |
| 4323118 |
Apparatus for controlling and preventing oil blowouts |
Apr. 6, 1982 |
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