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Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Class 251/1.1 - BLOW-OUT PREVENTERS (I.E., COOPERATING SEGMENTS OF ANNULUS)


Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter comprising a plurality of relatively movable
No. of patents: 90
Last issue date: 01/10/2012


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NumberTitleIssue Date
8091855Fluorinated elastomeric blowout preventer packers and method
A packer unit to be used in an annular blowout preventer. The packer unit includes an elastomer body including a compound of a carboxylated nitrile rubber (XNBR) base polymer having a polymer chain, and a quantity of fluorine atoms attached to the polymer chain. The...
01/10/2012
7410003Dual purpose blow out preventer
An improved dual purpose blow out preventer (“BOP”) that provides both deployment and wellhead pressure containment functions. The dual purpose BOP may include four sets of rams including a set of seal/slip rams that provide bi-directional sealing being a first ...
08/12/2008
7374146Dual-cylinder blowout preventer operator system
A hydraulic blowout preventer operator comprises a first piston rod coupled to a closure member. The operator further comprises a first operator housing coupled to a bonnet and a head. The first piston rod extends through the bonnet into the first operator housing w...
05/20/2008
7367396Blowout preventers and methods of use
Methods and apparatuses for severing a wellbore tubular, the apparatus, in certain aspects, including: a first member movable toward a tubular to be severed; a second member with a second blade disposed opposite to the first member and movable toward the tubular; a ...
05/06/2008
7354026Unitary blade seal for a shearing blind ram in a ram type blowout preventer
A unitary blade seal for a shearing blind ram of a ram-type blowout preventer is disclosed and includes an elongate member having a generally semi-circular cross section with a curved upper surface and a lower surface. The lower surface has a pair of laterally exten...
04/08/2008
7338027Fluid saving blowout preventer operator system
A hydraulic blowout preventer operator comprises a piston rod having one end coupled to a closure member. The operator further comprises an operator housing having one end coupled to a bonnet and a second end coupled to a head. The piston rod extends through the bon...
03/04/2008
7331562Blowout 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 secured to the main body, ram apparatus movable within the breech assembly ...
02/19/2008
7322556Pinch valve for regulating fluid flow
A pinch valve for regulating fluid flow includes a close mechanism for closing a sleeve by pinching its sides together. The pinch valve also includes an open mechanism integral with the close mechanism for opening the tube by urging the sides apart. The open mechani...
01/29/2008
7300033Blowout preventer operator locking system
A blowout preventer operator locking system comprises a piston rod having one end coupled to a closure member. The operator further comprises an operator housing having one end coupled to a bonnet and a second end coupled to a head. The piston rod extends through th...
11/27/2007
7243713Shear/seal ram assembly for a ram-type blowout prevention system
An improved shear/seal ram assembly used in ram-type BOPs is disclosed. The disclosed invention is a unique shear/seal ram assembly in which rail seal actuators attached to or integrally formed in a planar surface of one shear blade mate with and slide within corres...
07/17/2007
7243729Subsea junction plate assembly running tool and method of installation
The invention relates to a running tool for subsea junction plate assembly installation. The invention further relates to a method for installing a junction plate assembly using the running tool of the present invention. ...
07/17/2007
7222674Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use
A distributed function control module adapted for use in a modular blowout preventer (BOP) stack for use subsea comprises a housing, adapted to be manipulated by a remotely operated vehicle (ROV) with a stab portion adapted to be received into a BOP stack control mo...
05/29/2007
7216714Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use
A distributed function control module adapted for use in a modular blowout preventer (BOP) stack for use subsea comprises a housing, adapted to be manipulated by a remotely operated vehicle (ROV) with a stab portion adapted to be received into a BOP stack control mo...
05/15/2007
7216715Modular, distributed, ROV retrievable subsea control system, associated deepwater subsea blowout preventer stack configuration, and methods of use
A distributed function control module adapted for use in a modular blowout preventer (BOP) stack for use subsea comprises a housing, adapted to be manipulated by a remotely operated vehicle (ROV) with a stab portion adapted to be received into a BOP stack control mo...
05/15/2007
7207382Shearing sealing ram
The present invention provides a method, apparatus, and system to shear a tubular member disposed in a well and seal the wellbore using a unique blade seal. In at least one embodiment, the blade seal is adapted to interface with opposing rams in a blowout preventer....
04/24/2007
7137610Wellhead production blowout preventer
The invention broadly provides a ram incorporating a thermoplastic seal for sealing in the horizontal bore of a wellhead production blowout preventer to close off the vertical bore of the well, the ram being adapted to seal at its front end against either a polish r...
11/21/2006
7051989Blowout preventer and movable ram block support
A blowout preventer which, in certain aspects, has a main body and ram block holding apparatus releasably secured to and movable with respect to the main body and/or to a door or bonnet, movable ram apparatus within the body including a ram block, the ram block hold...
05/30/2006
7051990Blowout preventer and movable bonnet support
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 bonnet releasably secured to the main body, the at least one bonnet containing movable ram ...
05/30/2006
7044430Lock bars for blowout preventer
Lock bars for blowout preventers and blowout preventers having, in certain aspects, a body with a top, a bottom, and a bore therethrough, at least one bonnet releasably secured to the body, a first lock bar recess defined by a first portion in the body and a second ...
05/16/2006
7000888Pump rod clamp and blowout preventer
A pump rod clamp for gripping a pump rod in an oil, gas or water well. The pump rod clamp comprises a central housing having a longitudinal bore for receiving a pump rod, a plurality of clamping members receivable within the central housing, and one or more actuator...
02/21/2006
6969042Blowout preventer and ram actuator
A blowout preventer with a main body; a base releasably connected to the main body, the base having a base space therein, the base having a ram shaft opening; a primary piston movably disposed within the base space; a ram shaft to which the primary piston is connect...
11/29/2005
6955357Extended range variable bore ram packer for a ram type blowout preventer
A variable bore ram packer including a ram body, a top seal and a packer member designed for use in a standard ram-type blowout preventer used in oil and gas drilling operations is disclosed. The packer member is molded of an elastomeric material having a central se...
10/18/2005
6918441Cup tool for high pressure mandrel
A cup tool for use with a mandrel of a wellhead isolation tool has a substantially right-angled stepped shoulder over which an elastomeric sealing element is forced by elevated fluid pressures. A top end of the elastomeric sealing element is inhibited from extrusion...
07/19/2005
6910531Rotating drilling stripper
A stripper assembly for sealing around a drill pipe includes an outer housing having a lateral outlet. The outer housing is mounted at an upper end of a well for receiving an upward flow of drilling fluid and diverting the drilling fluid through the lateral outlet. ...
06/28/2005
6845958Wireline valve actuator
A wireline valve/blowout preventor is capable of resisting the flow of fluids through a bore. At least one actuator assembly has a first and second end moveable between a first configuration in which fluids can flow through the bore, and a second configuration in wh...
01/25/2005
6843463Pressure regulated slip ram on a coil tubing blowout preventer
A blowout preventer for coiled tubing includes a pressure regulator for a slip ram so that the coiled tubing can be held firmly without exceeding the yield strength of the coiled tubing material and without damaging the coiled tubing. ...
01/18/2005
6779543BOP operating system with quick dump valve
In some prior art Blowout Preventer (BOP) operating systems, high velocity fluid flows and low differential pressures induced vibration in the system. This vibration may result in collapsed and failure of hydraulic hoses in the system. A quick dump valve has been ad...
08/24/2004
6655405BOP operating system with quick dump valve
In some prior art Blowout Preventer (BOP) operating systems, high velocity fluid flows and low differential pressures induced vibration in the system. This vibration may result in collapse and failure of hydraulic hoses in the system. A quick dump valve h...
12/02/2003
6484806Methods and apparatus for hydraulic and electro-hydraulic control of subsea blowout preventor systems
An apparatus for controlling a blowout preventer stack. The apparatus comprises a control pod having a plurality of direct operated solenoid valves in electronic communication with a surface controller through one or more dedicated electronic control wire...
11/26/2002
6354568Sliding plate valve
A plate valve which includes two sliding plates and which carries seal portions with an elongated slot. A valve body of the plate valve includes a second elongated slot with further seal portions extending from a valve aperture. A cable of different diame...
03/12/2002
6321846Sealing device for use in subsea wells
A system for use in a subsea well includes a sealing element having an inner surface defining a bore through which a carrier line of a tool string may extend. A pressure-activated operator is coupled to the sealing element and is adapted to cause the seal...
11/27/2001
6318482Blowout preventer
A blowout preventer (10; 110) adapted to be included in a drill string (11; 111) to isolate a downhole portion of an annulus (14; 114) between the drill string and a borehole wall (12; 112). The blowout preventer has a tubular body (16; 116) and an expand...
11/20/2001
6176466Composite pumping tree with integral shut-off valve
A unitary pumping tree is provided for forming part of a wellhead assembly christmas tree. The tree integrates a bottom connector, shut-off valve, hydraulically actuated blow-out preventer, mechanically actuated blow-out preventer, flow tee and top connec...
01/23/2001
6109348Rotating blowout preventer
A rotating blowout preventor having a spring-steel reinforced stripper rubber removably mounted in a rotating inner housing, wherein the stripper rubber is sealed against the drill pipe by well bore pressure and externally-applied hydraulic pressure. In a...
08/29/2000
6089526Ram type blowout preventor
There is disclosed a ram type blowout preventor whose rams have variable ram packers for sealing about pipes of difference sizes in the bore of the preventor housing. Each ram packer includes a body of elastomeric material installed with a slot across the...
07/18/2000
5975484Door connectors
A blowout preventer (10) is provided for use in a hydrocarbon recovery operation to prevent a well blowout. The BOP body (20) has a central passageway (22),therein for receiving an oilfield tubular T. First and second radially opposing doors (16) and (18)...
11/02/1999
5961094Method and apparatus for replacing a packer element
A method and a device for replacing a seal element in an undersea blowout preventer is provided. A complete system includes a control center on the surface, an umbilical from the control center to a remotely operated vehicle (ROV), and a seal element carr...
10/05/1999
5931442Submersible work vessel for installing a blow out preventer
A submersible work vessel and a method of using the same are disclosed. The vessel contains an internal work space. It also contains a set of openable jaws that are designed to engage an underwater pipe. When the pipe is engaged, it will pass through the ...
08/03/1999
5918851Blowout preventer ram automatic locking system
A blowout preventer ram automatic locking apparatus for use in a ram-type blowout preventer used in oil and gas drilling operations is disclosed. The blowout preventer has a body with an axial bore, a pair of opposing bonnet assemblies and a pair of oppos...
07/06/1999
5897094BOP with improved door connectors
A blowout preventer 10 is provided for use in a hydrocarbon recovery operation to prevent a well blowout. The BOP body 20 has a central passageway 22 therein for receiving an oilfield tubular T. First and second radially opposing doors 16 and 18 are provi...
04/27/1999
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