Matches 1 - 34 out of 34


Match Document Document Title
9022103 Capture device for a bore hole of a fluid source  
A capture device for a bore hole of a fluid source, has a base plate (6) that can be anchored at the floor, over the bore hole, and has a bore hole opening (8) through which fluid can be streamed...
8950430 Internal blow out preventer  
An internal blow out preventer for use in a drill string, comprising a housing having an outer valve closure element and where the outer valve closure element is configured to be moved between an...
8875798 Wellsite replacement system and method for using same  
Systems and methods for replacing equipment at a wellsite, the wellsite having a subsea stripper installed proximate a subsea borehole. The system has at least one seal assembly portion, at least...
8622139 Emergency subsea wellhead closure devices  
Wellhead-based systems, apparatus, and methods for controlling a well are provided. During a failure of an emergency system such as a blowout provider, a wellhead based emergency control apparatus...
8176933 Annular BOP packing unit  
A packing unit for a blowout preventer includes an elastomeric, annular body configured to be disposed about a longitudinal axis of the blowout preventer and configured to be displaced radially...
8166993 Method and systems for using a shim plate for increased strength  
Blowout preventer (BOP) and method for sealing a well. The BOP includes a body having first and second conduits, the first conduit being substantially perpendicular on the second conduit; a piston...
7331562 Blowout preventer with breech assembly  
A blowout preventer which, in certain aspects, has a main body with a main top, a main bottom, and a main bore therethrough from the main top to the main bottom, at least one breech assembly...
6557577 Threaded union safety device and method  
A union assembly useful in a fluid flowstream includes a body portion, a pressure indicating device and a removable cover. The body portion includes a bore, an access opening and pressure...
6446664 Erosion resistant wear sleeve for high pressure valves  
A throttling choke valve having a wear sleeve lining the interior surface of the cylindrical passage downstream of the valve sealing mechanism. A preferred embodiment of the wear sleeve has a...
6276386 Charging device for hydraulic systems  
There is described herein an apparatus for charging a fluid line through a coupler such as a penetrator. The apparatus comprises a body formed from a sidewall defining a bore positioned along the...
5509435 Non-leaking valve  
Disclosed is a valve having (A) a valve body with an aperture therethrough, a threaded tap crossing the aperture and opening to only one side of the valve body, (B) a tap screw having a head of...
5241980 Oil field choke apparatus  
An improved choke valve apparatus for use in controlling oil well flow for example includes an improved interlock system for warning of a pressurized condition within the valve prior to removal of...
5065787 Choke valve safety device  
A choke valve safety device to prevent unthreading of the choke bonnet nut until internal pressure has been vented, comprising a U-shaped bracket that fits over a tool-engaging portion of the nut,...
4926898 Safety choke valve  
The invention relates to a safety chock valve having improved body top. An upper part of the valve body has a tapered wall cavity which receives in a sealed engagement a tapered lower part of the...
4738275 Cartridge puller for hot and cold water mixing valve  
A quick, lightweight cartridge puller for hot and cold water mixing valves operates to provide an increased mechanical force advantage while applying opposed relative forces between a valve...
4705062 Choke and improved needle tip therefor  
The improved choke includes a body with an internal valve chamber, an inlet and an outlet communicating through the body into the valve chamber, a valve seat surrounding the opening of the outlet...
4699350 Valve and a process for removing a closure member of the valve  
A valve, for example for use as a pipeline stop valve or a blow-out preventer, comprises a body with a central passage and opposed aligned guideways extending outwards from the passage. A closure...
4504037 Ram blowout preventer securing and retracting apparatus  
Bonnet securing and retracting apparatus for a ram blowout preventer is disclosed. The ram blowout preventer bonnet is retained by two bonnet studs and nuts and by bonnet bolts. Bearings in the...
4503879 Plug mechanism for wellhead tool  
An improved plug mechanism for use with a wellhead tool for removing and replacing valves on an operating wellhead under pressure including an elongated housing with a fluid coupling on one end...
4503878 Choke valve  
A valve having a body with a valve chamber therein, an inlet into the valve chamber, an outlet from the valve chamber and an opening to the valve chamber aligned with the outlet, a bonnet secured...
4470430 Drilling choke  
A drilling choke for controlling flow of drilling fluids from a well comprising: a body having an inlet and outlet and an intermediate cavity therebetween; a seat member coaxially disposed in the...
4442892 Apparatus for stabbing and threading a safety valve into a well pipe  
In accordance with an illustrative embodiment of the present invention, an apparatus for stabbing and threading a safety valve into a well pipe to prevent upward flow comprises a tubular canister...
4133342 Method of replacing seals in a well ram type blow out preventer  
This invention relates to the replacement of seals in ram type blow out preventers and is especially useful for replacing such seals where the well head is at a considerable distance from the...
3918478 Blowout preventer with locking means  
A blowout preventer with at least one movable bonnet and an operating cylinder which may be moved outwardly from the body of the preventer to a ram-exposed position by fluid pressure in an...
3670761 BLOWOUT PREVENTER WITH RESISTANCE MEANS BETWEEN THE BODY AND THE PISTON  
Blowout preventers each having at least one movable bonnet and an operating cylinder therewith which are movable together relative to a piston in the cylinder for exposing a ram mounted inwardly...
3647000 METHOD FOR CONTROLLING WELL BLOWOUTS  
Uncontrolled flow of oil and gas from petroleum wells located in a body of water, is stopped by a procedure performed below the water surface at a location which is free from wave action and is...
3456679 SAFETY LOCK FOR HIGH PRESSURE VALVES  
3434729 RAM ASSEMBLY  
3272222 Blowout preventer  
3132662 Valve apparatus for use as a blowout preventer or the like  
3036590 Valve sub  
2975795 Valve apparatus  
2906283 Choke  
2812024 Oil and gas well device  

Matches 1 - 34 out of 34