Match Document Document Title
9033054 Metal to metal seal for downhole tools  
A metal to metal seal for downhole tools. A sealing device includes a metal seal. A nonmetal seal may be used to bias the metal seal in a radial direction in response to a pressure differential...
9033003 Fluidic impulse generator  
A device for vibrating tubing as it is inserted into a wellbore is disclosed. The device has a fluidic switch that has no moving parts. The fluidic switch is connected to a piston that oscillates...
9033056 Pressure activated down hole systems and methods  
Systems and methods for activating a down hole tool in a wellbore. A piston is moveable from a first position to a second position for activating the down hole tool. The piston includes a first...
9033055 Selectively degradable passage restriction and method  
An actuation system and method includes a tubular defining a passage, and an assembly disposed with the tubular. The assembly includes a restriction operatively arranged to receive a restrictor...
9027654 Valve with shuttle  
A valve for use in a flow management system comprising a valve including a body, a shuttle, and a seat closure, a rotatable shaft passing through the body and the seat closure, the rotatable shaft...
9027650 Remotely-controlled downhole device and method for using same  
An apparatus for use downhole is disclosed. The apparatus includes a downhole device and an actuation device that includes: a housing including an annular chamber configured to house a first fluid...
9027653 Secondary system and method for activating a down hole device  
Disclosed is a secondary system and method for initiating a down hole operation in a wellbore when a primary activation system fails. The primary activation system is configured to provide fluid...
9027651 Barrier valve system and method of closing same by withdrawing upper completion  
A completion system, including a barrier valve transitionable between an open position and a closed position. An upper completion is operatively coupled with the barrier valve for mechanically...
9027652 Method for conveying balls downhole using a ball carrier medium  
A method is provided for safely delivering actuators such as balls from a ball injector to a downhole tool in a wellbore. A structure or carrier medium, such as a slug of gel or foam, is...
9022102 Control of sub surface safety valves  
A well installation includes a metallic structure having downhole metallic tubing for conveying product towards the surface, a sub surface safety valve disposed in the downhole metallic tubing for...
9022130 Downhole valve tool and method of use  
A downhole isolation valve for testing the integrity of a tubular within a wellbore includes a tubular body with an axial through bore having a reduced diameter portion defining a valve seat and a...
9010447 Sliding sleeve sub and method and apparatus for wellbore fluid treatment  
A tubing string assembly is disclosed for fluid treatment of a wellbore The tubing string can be used for staged wellbore fluid treatment where a selected segment of the wellbore is treated, while...
9004179 Multi-actuating seat and drop element  
An apparatus includes a counter for tracking and communicating a number of plug drops through a longitudinal bore; a plug element adapted to be dropped into the longitudinal bore; and a valve...
9004180 Method and apparatus for actuating a downhole tool  
Apparatuses and methods used for actuating downhole tools in which a ball is dropped from a surface of a wellbore until it contacts a ball seat of a downhole tool. The ball seat moves axially...
8991506 Autonomous fluid control device having a movable valve plate for downhole fluid selection  
An apparatus and method are described for autonomously controlling flow of fluid in a subterranean well, where fluid flow is controlled based on a fluid characteristic, such as viscosity or...
8991505 Downhole tools and methods for selectively accessing a tubular annulus of a wellbore  
A downhole tool that selectively opens and closes an axial/lateral bore of a tubular string positioned in a wellbore used to produce hydrocarbons or other fluids. When integrated into a tubular...
8985222 Method and apparatus for controlling fluid flow using movable flow diverter assembly  
Apparatus and methods for controlling the flow of fluid, such as formation fluid, through an oilfield tubular positioned in a wellbore extending through a subterranean formation. Fluid flow is...
8985207 Method and apparatus for use with an inflow control device  
A completion assembly is run downhole into a well. The assembly includes a valve and a material that is adapted to initially configure the valve to prevent fluid flow through the valve in at least...
8978775 Downhole valve assembly and methods of using the same  
A wellbore servicing system including a work string and a valve tool defining an flowbore, wherein the valve tool is transitionable from a first mode to a second mode, from the second mode to a...
8978750 Signal operated isolation valve  
A method of drilling a wellbore includes drilling the wellbore through a formation by injecting drilling fluid through a drill string and rotating a drill bit. The drill string includes a shifting...
8978773 Sliding sleeve bypass valve for well treatment  
A downhole bypass valve utilizes a stationary sleeve defining an interior ball-seat. When a dropped ball is seated, fluid differential pressure is diverted to an annular area adjacent a first...
8967269 Tubular valving system and method  
A tubular valving system includes, a tubular, a seat, a sleeve movably engaged with the seat between at least a first position, a second position and a third position, a release member between the...
8967272 Annular pressure relief system  
A modified casing coupling houses a pressure relief valve body having a through bore with opposing end openings. The through bore communicates with the interior of the modified casing coupling at...
8967253 Pump control for formation testing  
A downhole formation fluid pumping and a sampling apparatus are disclosed that may form part of a formation evaluation while drilling tool or part of a tool pipe string. The operation of the pump...
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...
8960310 Apparatus and method for connecting fluid lines  
An apparatus and method for controlling fluid flow in a blowout preventer. In one embodiment, an apparatus for connecting fluid lines includes a socket fluid connector and a plug fluid connector....
8955600 Multi-barrier system and method  
A multi-barrier system includes a first valve and a second valve that are both in fluidic communication with a lower completion. The first valve and the second valve are positioned proximate an...
8955601 Flow management system and method  
A method of implementing a substitute for a pump-off controller in a downhole production string, the method including locating a pump and a valve in the production string wherein capabilities...
8950496 Counter device for selectively catching plugs  
A counter assembly including an actuatable component. A counter component is disposed with the actuatable component and initially in a first position relative the actuatable component and movable...
8950499 Pipe-in-pipe apparatus, and methods and systems  
An apparatus is disclosed which provides fluid communication between the inner bore and the annular space in a pipe-in-pipe system. Other embodiments disclose an apparatus which provides fluid...
8950502 Series configured variable flow restrictors for use in a subterranean well  
A well device can include a fluid diode having an interior surface that defines an interior chamber, and an outlet from the interior chamber, with the interior surface operable to direct fluid to...
8944167 Multi-zone fracturing completion  
A wellbore completion is disclosed. The wellbore completion comprises a casing assembly comprising a plurality of casing lengths. At least one collar is positioned so as to couple the casing...
8944170 Real time downhole intervention during wellbore stimulation operations  
A method for completing a wellbore having a plurality of stimulation valves disposed therein at longitudinally spaced apart locations includes moving a spoolable rod into the wellbore. The rod...
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...
8939217 Hydraulic pulse valve with improved pulse control  
Hydraulic pulses are produced each time that a pulse valve interrupts the flow of a pressurized fluid through a conduit. The pulse valve includes an elongate housing having an inlet configured to...
8939216 System and method for snubbing under pressure  
A snubbing plug is configured to enable pressure equalization above and below the plug before it is removed from a mineral extraction well. The pressure may be equalized via fluid pathways through...
8936094 Rotational motion-inducing flow control devices and methods of use  
An example flow control device includes a body having an inlet and an outlet and a flow chamber extending therebetween. The flow chamber is configured to convey a fluid composition comprising a...
8931577 Double valve block and actuator assembly including same  
A valve comprises a housing including a first chamber, a second chamber, and a neutral chamber. In addition, the valve comprises a stem disposed within the housing. Further, the valve comprises a...
8931570 Reactive in-flow control device for subterranean wellbores  
An apparatus for controlling fluid in-flow into a wellbore tubular includes a translating flow control element having one or more fluid conveying conduits; and a reactive element that actuates the...
8931567 Control mechanism for subsurface safety valve  
A control mechanism for use with a safety valve adapted to seal a wellbore is described. The control mechanism comprises at least one valve actuator for engaging with the safety valve, the at...
8931565 Delayed opening wellbore tubular port closure  
A wellbore tubular port closure system includes a mechanism to delay the opening of the port the port closure has been actuated to open. A port opening delay mechanism configured to act after...
8931566 Method and apparatus for autonomous downhole fluid selection with pathway dependent resistance system  
An apparatus is described for controlling flow of fluid in a subterranean formation based on a selected characteristic of fluid flow, such as viscosity, velocity or density, as that characteristic...
8925633 Inflow control device with adjustable orifice and production string having the same  
An inflow control device laterally insertable in a wall of a tubular, the inflow control device includes a plug shaped body having a first section and a second section, the first section having an...
8919451 Varying pore size in a well screen  
A method can include applying a magnetic field to a well screen, thereby varying sizes of pores via which fluid flows through the well screen. A well screen can include a magnetic shape memory...
8919439 Single trip multi-zone completion systems and methods  
Disclosed are systems and methods of producing from multiple production zones with a single trip multi-zone completion system. One method includes arranging an outer completion string within an...
8915300 Valve for hydraulic fracturing through cement outside casing  
A valve includes: a housing; a mandrel disposed in the housing; a rupture disk disposed in a passageway of the mandrel; a sliding sleeve disposed between the housing and the mandrel; and a ball...
8910715 Oil well control system  
A system including a combined plug and valve device that may be precisely delivered to and inserted into an uncontrolled undersea oil well. Once positioned in the well, the device is operated in...
8910716 Apparatus and method for controlling fluid flow from a formation  
In one aspect, an apparatus for controlling fluid flow between a formation and a tubular is provided, wherein the apparatus includes a retrievable communication device configured to be conveyed to...
8905129 Speed activated closure assembly in a tubular and method thereof  
A tubular closure assembly responsive to speed or velocity of an object. The tubular closure assembly includes at least one sensor in operable communication with an interior of a tubular. The at...
8905144 Variable flow resistance system with circulation inducing structure therein to variably resist flow in a subterranean well  
A flow control device can include a surface that defines a chamber and includes a side perimeter and opposing end surfaces, a greatest distance between the opposing end surfaces being smaller than...