Matches 1 - 50 out of 80 1 2 >


Match Document Document Title
US20110140013 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...
US20140284506 RAM SHAFT ASSEMBLY FOR BLOWOUT PREVENTER  
A ram shaft assembly is provided. In one embodiment, a system includes a ram actuation assembly of a blowout preventer. The ram actuation assembly can include a ram shaft, one or more mounting...
US20140299797 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...
US20130126763 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...
US20150184481 RAM ASSEMBLIES FOR BLOWOUT PREVENTERS  
A ram assembly is provided. In one embodiment, the ram assembly includes a base ram having a tapered profile and a seal coupled to the base ram in a manner that allows the seal to slide relative...
US20130168578 Blowout Preventer Assembly  
A blowout preventer assembly comprising an annular blowout preventer having an annular packing unit and an actuator operable to reduce the internal diameter of the annular packing unit, wherein...
US20130062540 Load-Sharing Ram Packer for Ram Type Blowout Preventers  
A ram block includes an upper ram arm, a lower ram arm, a packer channel, and a packer disposed at least partially within the packer channel. The packer includes a skeletal member that is...
US20130313449 Blowout Preventer Ram Assembly and Method of Using Same  
The techniques herein relate to a ram assembly for a blowout preventer for receiving a tubular of a wellbore. The ram assembly includes a ram block for engagement with the tubular, a ram shaft for...
US20130264503 Blowout Preventer with Locking Ram Assembly and Method of Using Same  
A lock assembly of a blowout preventer is provided. The blowout preventer includes a ram assembly slidably positionable in the channel and engageable with a tubular. The ram assembly includes a...
US20130146793 Visual Ram Position Indicator Apparatuses and Methods  
Apparatuses for providing a visual indication outside a blowout preventer (BOP) relative to a position of ram blocks inside the BOP, and methods of adding such apparatuses to existing blowout...
US20140124686 INTERVENTION BLOWOUT PREVENTER AND WELL INTERVENTION TOOL  
The present invention relates to an intervention blowout preventer (1) for being mounted on a well head (2) or a Christmas tree, comprising a plurality of valves (3, 4) arranged in fluid...
US20150176359 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...
US20130026395 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...
US20130299724 NESTED CYCLINDER COMPACT BLOWOUT PREVENTER  
A blowout preventer comprises a pair of ram assemblies which are mounted on diametrically opposite sides of a BOP housing. A cylinder-ram is slidably received within each ram assembly and includes...
US20150198003 BLOWOUT PREVENTER WITH PACKER ASSEMBLY AND METHOD OF USING SAME  
A packer assembly for a blowout preventer for sealing a wellbore is provided. The blowout preventer has ram blocks with a front face engageable with another ram block. The packer assembly is...
US20140034337 CAPPING STACK AND METHOD FOR CONTROLLING A WELLBORE  
The invention discloses a system and method for controlling a wellbore. The method comprises the steps of: providing a capping stack comprising a number of releasable modules, each module having a...
US20110030805 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...
US20120000646 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...
US20150144814 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...
US20140021381 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...
US20120001101 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...
US20110031421 BLOWOUT PREVENTER HAVING WEAR, SEAL AND GUIDE PLATE INSERTS  
A method of preventing wear in a blowout preventer includes the steps of forming an inner surface of a blowout preventer body to receive wear inserts at least one wear point in the blowout...
US20130126764 Multi-Deployable Subsea Stack System  
Methods for deploying a subsea blowout preventer stack system comprising a lower marine riser package, a blowout preventer stack with a first ram blowout preventer, and an additional blowout...
US20130264502 Blowout Preventer Locking Door Assembly and Method of Using Same  
A locking door assembly, blowout preventer and method are provided. The blowout preventer is for sealing about a tubular extending from a wellbore of a wellsite. The blowout preventer includes a...
US20080017814 Pressure energized radial seal  
A seal assembly disposed within a radial seal groove to sealingly engage a bonnet within a bore. The seal assembly includes a radial seal surface, an axial seal surface, a vent surface, and an...
US20060076526 Anodic Protective Seal in a Blowout Preventer  
An anodic sacrificial seal element is installed at vulnerable regions of a blowout preventer. A zinc cylinder, for example, is included at the well-bore pressure side of a bonnet which seals...
US20080135791 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...
US20090050828 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...
US20150083943 Quadruple RAM BOP  
A blowout preventer having a body, a main bore in the body, and rams that project into the main bore. The rams can be shear rams for shearing a tubular in the main bore, pipe rains for sealing...
US20080265188 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...
US20080197306 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...
US20100243926 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...
US20140110611 BLOWOUT PREVENTER SEAL ASSEMBLY AND METHOD OF USING SAME  
A shear sealing system of a blowout preventer of a wellbore is provided. The blowout preventer including a housing having a bore and a guideway therethrough. A tubular of the wellbore is...
US20090001299 PCV valve  
A PCV valve comprises: a valve seat; a valve element provided movable relative to the valve seat; a step motor for moving the valve element; and a housing which houses the valve seat, the valve...
US20140084192 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...
US20130284953 VALVE APPARATUS AND IMPROVED RAM  
A valve comprises a valve body defining a throughbore having a throughbore axis, a first ram (100a; 200a) comprising a first seal face (144a,145a; 280a) and a second ram (100b;200b) comprising a...
US20080105340 Heat Treatment Method of Inlaid Pressure Vessels  
A process to manufacture an oilfield component including a base material and an age hardenable clad material comprises finish tempering the oilfield component at a selected time and at a selected...
US20130025689 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...
US20090127482 HYDRAULIC RAMS  
There is disclosed an actuator for delivering a supplementary force to the piston of a shear ram in a blowout preventer (BOP), and a corresponding BOP. In one embodiment, a supplementary force...
US20080078965 BLOWOUT PREVENTER AND PUMP ROD CLAMP  
Disclosed herein is a combined pump rod clamp/BOP for use in a wellbore. The pump rod clamp/BOP is capable of supporting the weight of the pump rod, preventing axial or rotational movement of the...
US20110147623 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...
US20130026394 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...
US20100147536 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...
US20130181147 BLOWOUT PREVENTER WITH PORT FOR ENTRY BETWEEN CASING AND TUBING STRING AND/OR PORT FOR ENTRY INTO TUBING STRING  
An improved blowout preventer for a well having a casing extending into an underground formation. The blowout preventer has a pair of opposed ram members received within a pair transverse bores...
US20140021382 ASYMMETRICAL BUTTON FOR RAM-TYPE BLOWOUT PREVENTERS  
An asymmetrical ram button is provided. In one embodiment, a system includes a blowout preventer including such a button. Particularly, the blowout preventer may include an actuation assembly...
US20120199762 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...
US20100155086 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...
US20100155080 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...
US20130341539 VALVE APPARATUS  
A valve apparatus (100) for a well comprises a valve body (101), and a valve member (102). The valve body (101) includes a first passage (190) that extends through the valve body (101), and at...
US20120193556 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...

Matches 1 - 50 out of 80 1 2 >