Matches 1 - 50 out of 236 1 2 3 4 5 >


Match Document Document Title
9022104 Blowout preventer blade assembly and method of using same  
Techniques for shearing a tubular of a wellbore penetrating a subterranean formation with a blowout preventer are provided. The blowout preventer has a housing with a hole therethrough for...
9016381 Mudline managed pressure drilling and enhanced influx detection  
Apparatuses useable in drilling installations for adjusting a mud return flow in a mud loop, at a location far from a mud tank are provided. An apparatus includes (1) a sensor located close to a...
9004089 Blowout preventer with lock  
A lock for a ram shaft of a blowout preventer has a ram shaft controlled by an actuator, the ram shaft having a ram block end and a locking end, the locking end having an internal cavity that...
9004157 Blowout preventer  
A blowout preventer comprising: a main body comprising a seal seating profile, one or more bonnet guideways, and one or more slide guideways; a bonnet attached to the main body, wherein the bonnet...
8978699 Blowout preventer status assembly  
A status assembly to provide visual and electronic indication of the position (open, closed, in-between) of the ram of a ram-type blowout preventer (BOP). The assembly is capable of coupling with...
8978698 Blowout preventer monitoring system and method of using same  
A blowout preventer for sealing a tubular of a wellbore is provided. The blowout preventer has a housing having a bore therethrough for receiving the tubular, at least one ram slidably...
8979062 Secondary activation of packer and method  
Method, ram block and ram blowout preventer (BOP) for sealing a well. The BOP includes a body having a first chamber extending along a first direction and a second chamber extending along a second...
8967589 Seal  
The present disclosure relates to seals and sealing arrangements, especially those used in wireline valves. The seal comprises an elastomeric seal body with a sealing surface, a plurality of...
8944403 Blowout preventer with pressure-isolated operating piston assembly  
A ram-type blowout preventer including an operating piston assembly isolated from wellbore pressure effects is provided. In one embodiment, a blowout preventer includes piston coupled to a ram by...
8905141 Subsea operating valve connectable to low pressure recipient  
A valve useable in an undersea apparatus for generating a force for closing a blowout preventer (BOP) based on a pressure difference between a low pressure recipient and ambient pressure, an...
8857784 Linear clutch for blowout preventer  
Linear clutches for reducing axial loads in a system are provided. In one embodiment, a system includes a blowout preventer having a ram coupled to an actuation assembly. A locking assembly is...
8844898 Blowout preventer with ram socketing  
A blowout preventer and seal structure for a blowout preventer, the seal structure having a the body with two front faces including a first face and a second face, a projection projecting out from...
8807516 Blowout preventer with rope packing seal  
A blowout preventer (BOP) is provided in which each ram includes a primary rope packing seal formed from a first length of rope packing extending horizontally across the front face, rearwardly and...
8807219 Blowout preventer blade assembly and method of using same  
A blade assembly of a blowout preventer for shearing a tubular of a wellbore penetrating a subterranean formation is provided. The blowout preventer has a housing with a hole therethrough for...
8800954 Blow out preventers  
A blow out preventer (10) includes a housing (40) defining a longitudinal throughbore (16) and a ram cavity (34) and at least one pair of opposed rams (12, 14) located in the ram cavity. Each ram...
8783643 Blowout preventer and rams  
A ram type blowout preventer having a seal on each ram, extending across the front face, rearwardly and then over the top portion or the bottom portion of the ram. Each ram forms a leading edge...
8770274 Shear seal blowout preventer  
A shear/seal ram provides a knife edge at the shearing edge and the knife edge is inclined to minimize the cutting force required and to leave a clean cut edge. The knife edge is presented in an...
8770541 Sealing apparatus and method  
A sealing apparatus and method is disclosed, particularly for sealing around an elongate member which passes through a throughbore of a valve device, the apparatus having an upper sealing element...
8740174 Dual-direction ram-type blowout preventer seal  
A ram-type blowout preventer and method of actuating thereof. The ram-type blowout preventer includes a seal carrier disposed about a vertical bore between the body and adjacent to the horizontal...
8727303 Variable bore packer for a blowout preventer  
A variable bore packer used in a blowout preventer to form a seal against different diameter tubular members for oil and gas drilling operations. The variable bore packer includes a packer member...
8720567 Blowout preventers for shearing a wellbore tubular  
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...
8716963 Actuating device and method of operating an actuating device  
An actuating device for displacing a control device, such as a gate valve or other control mechanism, in particular for use in oil or gas production systems, includes a motor-gear unit and a...
8695691 Subsea connection apparatus for a surface blowout preventer stack  
A subsea connection apparatus to allow connecting a surface blowout preventer stack and riser to a subsea wellhead is disclosed. The subsea connection apparatus uses a single cavity blowout...
8657253 Position data based method, interface and device for blowout preventer  
Systems are provided for using position data of a piston connected to a ram block in a blowout preventer to determine a backlash of the ram block, and/or to record a position of the ram block,...
8632047 Shear blade geometry and method  
A pair of shear blades and a blowout preventer having the pair of shear blades. The shear blades are configured to cut a tubular inside the blowout preventer. The shear blades have different...
8573557 Bidirectional ram BOP and method  
A ram blowout preventer for sealing a well, the ram blowout preventer including a body having a cavity with a recess; a ram block configured to move inside the cavity; a top seat disposed in the...
8567490 Shear seal blowout preventer  
A shear/seal ram provides a knife edge at the shearing edge and the knife edge is inclined to minimize the cutting force required and to leave a clean cut edge. The knife edge is presented in an...
8505870 Shear blade geometry and method  
A pair of shear blades and a blowout preventer having the pair of shear blades. The shear blades are configured to cut a tubular inside the blowout preventer. The shear blades have different...
8464752 External position indicator of ram blowout preventer  
Method and blowout preventer for sealing a well. The blowout preventer includes a body having first and second chambers, the first chamber extending substantially perpendicular to and intersecting...
8464785 Pipe guide arms for blind shear rams  
A pipe shear ram assembly has a housing having a bore extending vertically therethrough for the passage of a pipe string. Ram blocks have blades positioned such that one slides over the other when...
8448915 Increased shear power for subsea BOP shear rams  
The method of providing a desired motive force for one or more rams of a subsea blowout preventer as a function of a desired pressure differential across one or more pistons on the subsea blowout...
8444109 Blowout preventer translating shaft locking system  
The disclosure provides a blowout preventer (BOP) system with an actuator for opening and closing a ram. The actuator includes a locking system having a clutch piston to operate a clutch having...
8439327 Shear block and blade interface and method  
A blowout preventer having a first elongated cavity extending along a first axis and a second elongated cavity extending perpendicular to and intersecting the first elongated cavity, a shear block...
8413716 Position data based method, interface and device for blowout preventer  
Methods and devices for using position data of a piston connected to a ram block in a blowout preventer to determine a backlash of the ram block, and/or to record a position of the ram block,...
8408514 Lock mechanism for blowout preventer and method  
A blowout preventer for sealing a well includes a body having first and second chambers. The first chamber extends substantially perpendicular to and intersecting the second chamber, and the body...
8353338 Well bore control valve  
The well bore control valve comprises a housing (12) defining a throughbore (14), the throughbore adapted to receive a first tubular. The valve further comprises first (18) and second gates (20)...
8353497 Variable radius annular and ram packing unit and method  
A packing unit to seal a wellbore, the packing unit including at least one rotatable cam having a cam axis disposed about an axis of the wellbore, wherein the at least one rotatable cam is...
8267168 Regulator dampening device and method  
A flow regulator includes a flow regulating part configured to receive at an inlet a working fluid at a first pressure and to release the working fluid at an outlet at a second pressure; a slide...
8230930 Mounts for blowout preventer bonnets and methods of use  
A mount for a bonnet of a blowout preventer includes at least one support member coupled to a body of the blowout preventer, and a bonnet mounting member moveably coupled to the at least one...
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...
8136598 Subsea connection apparatus for a surface blowout preventer stack  
A subsea connection apparatus to allow connecting a surface blowout preventer stack and riser to a subsea wellhead is disclosed. The subsea connection apparatus uses a single cavity blowout...
8132777 Blowout preventer having modified hydraulic operator  
A blowout preventer for use in the oil and gas industry having a single modified, dual-acting hydraulic operator per door, comprising a reconfigured adapter. The reconfigured adapter comprises a...
8091855 Fluorinated 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...
8028755 Quick lock wireline valve/blow-out preventor and methods for making and using same  
A blow out preventor (BOP) apparatus is disclosed including a quick connection system. The quick connection system comprises at least one actuator receiving aperture including at least one female...
7980305 Ram BOP position sensor  
A method to determine movement of a wellhead component includes sensing a relative position of the wellhead component with a magnetostrictive sensor over a selected interval of time. The method...
7975761 Method and device with biasing force for sealing a well  
Methods and devices with biasing force for sealing a well. Such a device is a blowout preventer has a body including a cavity having first and second recesses, a ram block configured to move...
7832706 RAM BOP position sensor  
A ram-type blowout preventer includes a pair of ram assemblies adapted for controlled lateral movement to and from a vertical bore. Each ram assembly has a hydraulic piston connected at a first...
7802626 Mounts for blowout preventer bonnets and methods of use  
A mount for a bonnet of a blowout preventer includes at least one support member coupled to a body of the blowout preventer, and a bonnet mounting member moveably coupled to the at least one...
7798466 Ram locking blowout preventer  
A blowout preventer including, in certain aspects, a main body, a bonnet movably connected to the main body, the bonnet having a bonnet channel with interior threading, a ram shaft with a first...
7779917 Subsea connection apparatus for a surface blowout preventer stack  
A subsea connection apparatus to allow connecting a surface blowout preventer stack and riser to a subsea wellhead is disclosed. The subsea connection apparatus uses a single cavity blowout...

Matches 1 - 50 out of 236 1 2 3 4 5 >