Match Document Document Title
9022131 Hydrodynamic journal bearing flow control bushing for a rotating control device  
A rotating control device comprises an outer housing having a bore for receiving a tubular member. An inner housing and a piston assembly are rotatably disposed within the outer housing. An...
9022126 Wellsite equipment replacement system and method for using same  
A system and method for replacing equipment at a wellsite is provided. The wellsite has a subsea stripper installed proximate a subsea borehole. The system has a conveyance for delivering a BHA...
9016390 Apparatus and method for providing wellbore isolation  
An actuatable wellbore isolation assembly comprising a housing generally defining an axial flowbore and comprising a mandrel portion, a first end portion, and a second end portion, a radially...
9016391 Swellable packer with internal backup ring  
A swellable packer includes a base pipe; a swellable sealing element disposed around the outer diameter of the base pipe; and at least one internal backup ring disposed within the swellable...
9016364 Convertible multi-function downhole isolation tool and related methods  
A downhole isolation tool adapted to be converted in the field into any one of a bridge plug, ball drop plug, or a caged ball plug. The components used to assemble the tool, such as the mandrel,...
9010428 Swelling acceleration using inductively heated and embedded particles in a subterranean tool  
The swelling rate of a swelling packer element or a conforming foam screen material is accelerated with heat. Ferromagnetic particles or electrically conductive resins or polymers are interspersed...
9004160 Downhole tool apparatus with slip plate and wedge  
A downhole tool that is used to seal a well bore. The downhole tool has at least one of a nose cap coupled to a slip means for converting shear forces into compression forces, a pultrusion rod,...
8997882 Stage tool  
The present invention generally relates to a stage tool. In one aspect, a downhole tool for use in a wellbore is provided. The tool includes a body having a bore. The tool further includes a seal...
8997883 Annulus seal with stepped energizing ring  
A wellhead seal assembly that forms a metal-to-metal seal between inner and outer wellhead members. A seal member has inner and outer walls separated by a slot, where the slot has an upper portion...
8997854 Swellable packer anchors  
Anchor areas are provided that are engaged by swelling of a swellable element of a downhole tool. When engaged with an open hole or casing, the anchor areas provide additional holding power for...
8997858 Liner hanger/packer apparatus with pressure balance feature on anchor slips to facilitate removal  
A liner hanger/packer apparatus operates by sequential expansion of a slip ring and then a sealing element. The hanger slips are set by pressure on a seated ball actuating anchor slips to grip...
8985229 Sealing arrangement, and corresponding method  
A sealing arrangement and method for dynamic sealing around a drill stem (50) in water-carrying, drilling fluid-carrying or hydrocarbon-carrying wells, comprising at least one dynamic sealing...
8985230 Resettable lock for a subterranean tool  
A lock holds a movable member in position to a stationary member. The set position of the tool is held while being configured to release with the capability of being reset in the same trip to lock...
8973667 Packing element with full mechanical circumferential support  
A packer device for forming a fluid seal between an inner tubular member and an outer tubular member. The packer device includes a swage assembly that is expandable from a reduced diameter...
8967281 Expandable packer  
Methods and apparatus include tubing expanded to create a seal in an annulus surrounding the tubing. The tubing includes a sealing material selected to cause forming of undulations in a diameter...
8967245 Borehole seal, backup and method  
A method and assembly for reducing a radial gap between radially proximate components including a setting member having a first dimension that partially defines the radial gap, the setting member...
8967280 Locking assembly for mechanically set packer  
A lock assembly for a mechanically set packer for deep deployments is described. The lock housing wall has at least one bore for a rod piston that is selectively actuated when wellbore hydrostatic...
8960315 Swellable downhole apparatus and support assembly  
A downhole apparatus and support assembly has a radially expanding portion comprising a swellable elastomeric material selected to increase in volume on exposure to at least one predetermined...
8960313 Packer deployed formation sensor  
A packer deployed well wall monitoring or transceiver assembly. The assembly may be particularly suited for use with swellable packers wherein the sensor or transceiver is delivered in a manner...
8960312 Mitigating leaks in production tubulars  
A well system can include a generally tubular production string extending to a surface location. A production packer seals off an annulus external to the production string. A swellable packer is...
8960316 Interventionless adjustable flow control device using inflatables  
A flow control device comprises a fluid pathway configured to provide fluid communication between an exterior of a wellbore tubular and an interior of the wellbore tubular, a flow restriction...
8960314 Shape memory seal assembly  
A sealing assembly including a seal element at least partially formed from a shape memory material. The shape memory material urges the seal element to revert to an original shape upon exposure to...
8955605 Downhole tool and method of use  
Embodiments of the disclosure pertain to a mandrel for a downhole tool that may include a body having a proximate end with a first outer diameter and a distal end with a second outer diameter; a...
8955606 Sealing devices for sealing inner wall surfaces of a wellbore and methods of installing same in a wellbore  
Sealing devices for use in a wellbore to seal a leak path through an inner wall surface of the wellbore comprise a mandrel, an expandable element, and a shape deforming sealing element. Expansion...
8950505 Method and apparatus for setting a wellbore packer  
A wellbore packer for setting one or more packing elements in a borehole having an open hole section. The wellbore packer comprises a port-less mandrel configured with one or more packing elements...
8944172 Method and system for hydraulically presetting a metal seal  
A system and method is provided for hydraulically presetting a metal-to-metal seal, which may be installed in an annular space between wellhead components. A hydraulic running tool may be landed...
8939222 Shaped memory polyphenylene sulfide (PPS) for downhole packer applications  
A downhole element to isolate or complete a wellbore includes a shape memory material including polyphenylene sulfide. The polyphenylene sulfide is the cure product of being cured at a temperature...
8936102 Packer assembly having barrel slips that divert axial loading to the wellbore  
A barrel slip for a packer assembly operable for use in a wellbore. The barrel slip includes a radially expandable barrel slip body having a first end and a second end. A substantially cylindrical...
8936101 Interventionless set packer and setting method for same  
A packer (80) for establishing sealing engagement with a surface disposed in a wellbore includes a packer mandrel (90) and a seal assembly (100, 102, 104) slidably disposed about the packer...
8936092 Seal system and method  
A system in some embodiments includes a system, having a seal assembly, including an inner energizing ring, an outer energizing ring, a load ring disposed between the inner energizing ring and the...
8915305 Downhole packer tool with safety systems for preventing undue set and release operations  
A packer tool has safety devices to prevent premature and reverse setting and release operations. The safety devices are independent of shear-pin safety systems. Confined annular segments prevent...
8910722 Slip-deployed anti-extrusion backup ring  
Arrangements and packer devices having anti-extrusion backup rings that are expanded radially outwardly by a setting mechanism that lies proximate the elastomeric packer element that is being...
8905149 Expandable seal with conforming ribs  
Expandable seals have one or more conforming ribs to facilitate creation of a seal to a sealing surface disposed in the well. The conforming ribs comprise a core of material either capped,...
8905150 Casing stripper attachment  
The casing stripper attachment secures the casing stripper within a housing, such as the bowl. The casing stripper rubber attaches to an attachment body for installation within the housing. The...
8893812 Apparatus and methods for retrieving a well packer  
A method of releasing a well packer can include applying a predetermined tension in a tubular string connected to the packer, and then reducing the tension, thereby retracting inward at least one...
8893792 Enhancing swelling rate for subterranean packers and screens  
The swelling rate of a swelling packer element or a conforming foam screen material is accelerated with heat. In one variation reactants that create an exothermic reaction plus a catalyst, if...
8887818 Composite frac plug  
A composite frac plug (12) is formed of composite polymer materials, except for shear pins (52) and anchor cleats (96, 112) which are formed of metal. The composite materials provide for easy...
8881831 Offshore universal riser system  
An offshore universal riser system may include a valve module which selectively permits and prevents fluid flow through a flow passage extending longitudinally through a riser string. An anchoring...
8881835 Manipulator tool and tool catcher useful with wellbore reverse circulation  
A method for reverse circulating a tool upwardly through a wellbore, the method including: providing a manipulator tool including an upper end and a lower end, conveying the manipulator tool down...
8881836 Packing element booster  
A packer is provided for sealing an annular region in a wellbore. In one embodiment, the, packer includes a boosting assembly adapted to increase a pressure on the packing element in response to...
8875799 Covered retaining shoe configurations for use in a downhole tool  
A downhole apparatus suitable for downhole application may include a mandrel; a packer element assembly disposed about the mandrel that comprises at least one packer element disposed about the...
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...
8875800 Downhole sealing system using cement activated material and method of downhole sealing  
A downhole sealing system includes a reactive material provided on a tubular and including an oxidizable substance; and a sealing material, wherein the oxidizable substance oxidizes when in...
8863850 Apparatus and method for stimulating subterranean formations  
A method of stimulating a subterranean formation using a tubular member with one or more burst disks therein.
8863854 Method and apparatus for isolating tubing with a swellable seal  
An apparatus for isolating at least a portion of a tubular for use in a wellbore comprising a first, inner tubular in the form of carrier tube and a second, outer tubular in the form of protective...
8857525 Sealing device and method for sealing a casing  
A sealing device which has a housing with an outside diameter, a core inside the housing; at least two sealing segments in slidable engagement with the core to change the outside diameter of the...
8857526 Mechanically deployable well isolation mechanism  
A mechanism configured for mechanical self-deployment in a well. The mechanism may be primarily an open or closed-cell polymer foam positioned downhole in a pre-compressed state. Subsequently, the...
8851166 Test packer and method for use  
A downhole tool having a throughbore is disclosed for use in a tubular located in a wellbore. The downhole tool has a sealing element configured to seal an annulus between the downhole tool and an...
8851194 Seal with bellows style nose ring  
A seal assembly between a wellhead housing having a bore and a casing hanger, has an inner seal leg for sealing against hanger and an outer seal leg for sealing against housing. An extension...
8839874 Packing element backup system  
Downhole tool packing element systems comprise a sealing element having a support system. The support system can include one or more of a first spacer ring, a second spacer ring, a third spacer...