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US20140014361 Automatic Annular Blow-Out Preventer  
The present invention relates to a blow-out prevented utilized to ensure that high pressure material stay contained and do not enter an oil platform riser, thereby preventing explosions, damage,...
US20130233557 BOTTOMHOLE ASSEMBLY FOR CAPILLARY INJECTION SYSTEM  
A method of treating production fluid in a wellbore includes deploying a capillary string into the wellbore. The capillary string has a plurality of injection valves. The method further includes...
US20130220633 Downhole Fluid Flow Control System and Method Having a Fluidic Module with a Flow Control Turbine  
A downhole fluid flow control system includes a fluidic module having a turbine chamber. A flow control turbine is rotatably disposed within the turbine chamber. The flow control turbine is...
US20110048723 Multi-acting Circulation Valve  
A fracturing and gravel packing tool has features that prevent well swabbing when the tool is picked up with respect to a set isolation packer. An upper or multi-acting circulation valve allows...
US20110005752 Water Sensitive Porous Medium to Control Downhole Water Production and Method Therefor  
Water production produced from a subterranean formation is inhibited or controlled by consolidated water sensitive porous medium (WSPM) packed within the flow path of the wellbore device container....
US20110297394 MAGNETORHEOLOGICAL BLOWOUT PREVENTER  
A Blowout Preventer comprising a housing, one or more magnets and a magnetic fluid is described. More particularly, a Magnetorheological Blowout Preventer with a Magnetorheological Ram Head that...
US20120325479 COILED TUBING BOTTOM HOLE ASSEMBLY WITH PACKER AND ANCHOR ASSEMBLY  
A bottom hole assembly (BHA), adapted to be positioned in a casing and to isolate a portion of a wellbore, which includes a packer assembly with a first sealing element extending between first and...
US20130112422 DIFFERENTIAL PRESSURE ACTUATOR  
A technique facilitates actuation of a variety of tools in many types of environments. The actuation technique employs a closed conduit, such as a closed tube, arranged in a curvilinear structure....
US20130299196 Extended Reach Placement of Wellbore Completions  
A self-actuated cyclical flow interruption valve on a deployment tool is positioned at a proximal end of a well completion assembly. Fluid is pumped though the self-actuated cyclical flow...
US20130327539 DOWNHOLE VALVE  
A tool that is usable with a well includes a valve element, a mechanical operator, a pressure chamber and a regulator. The valve element has a first state and a second state. The mechanical...
US20130118758 HYDROSTATIC PRESSURE INDEPENDENT ACTUATORS AND METHODS  
An actuator that may be used in a wellbore to change the state of a downhole tool. The actuator has an operator that is axially movable in response to changes in tubing pressure. The actuator...
US20130075108 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...
US20090183880 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...
US20120205113 Subsurface Safety Valve for High Temperature and High Pressure Wells  
A subsurface safety valve particularly designed for high temperature and high pressure applications has an improved tubular joint connection that provides for a compliant metal to metal seal...
US20110036590 System and method for servicing a wellbore  
A wellbore servicing system, comprising a first sleeve system, the first sleeve system comprising a first sliding sleeve at least partially carried within a first ported case, the first sleeve...
US20140096963 FLOW RESTRICTOR FOR USE IN A SERVICE TOOL  
A system, apparatus, and method for gravel packing a wellbore are provided. The system includes a service tool extending through a packer that isolates a proximal annulus of the wellbore from a...
US20120125629 DOWNHOLE TOOL  
An activating device is provided for location in downhole tubing. The device defines an activation profile which is initially maintained at a larger diameter than a tubing seat, such that the...
US20090032239 Marginal Oil Extraction Device  
A marginal oil extraction system having an upper extraction unit, an extraction container, and a lower valve assembly. The marginal oil extraction system uses at least some of these components to...
US20130264062 PROTECTION OF A SAFETY VALVE IN A SUBTERRANEAN WELL  
A safety valve system for use in a subterranean well can include a safety valve protector connected downstream of a safety valve, whereby when closed the safety valve protector reduces a flow rate...
US20130098631 PROTECTION OF A SAFETY VALVE IN A SUBTERRANEAN WELL  
A safety valve system for use in a subterranean well can include a safety valve protector connected downstream of a safety valve, whereby when closed the safety valve protector reduces a flow rate...
US20130284452 Wellbore Flow Control Devices Comprising Coupled Flow Regulating Assemblies and Methods for Use Thereof  
Wellbore flow control devices can be used in various subterranean operations to regulate access of formation fluids to the interior of a wellbore pipe and/or to limit the access of unwanted fluids...
US20120145402 DEBRIS REMOVAL METHOD AND ASSEMBLY  
A method of removing debris from a well is disclosed, comprising RIH to required depth with coiled tubing having at least one closed check valve, moving a sleeve through the check valve to hold it...
US20090166025 Collection and Lift Modules for use in a Wellbore  
A system for a gas-producing wellbore comprises a collection module disposed about a gas-production conduit in the wellbore, the collection module comprising a collection chamber disposed about the...
US20090218102 Multi-Cycle Single Line Switch  
Systems and methods for selectively operating multiple hydraulic pressure controlled devices (PCDs) within a borehole using a common inflow and outflow line and a common cycling line. A control...
US20100084130 VALVE DEVICE AND ASSOCIATED METHODS OF SELECTIVELY COMMUNICATING BETWEEN AN INTERIOR AND AN EXTERIOR OF A TUBULAR STRING  
A valve device and associated methods of selectively communicating between an interior and an exterior of a tubular string. A valve device includes an openable and closable flowpath for selectively...
US20140202713 Well Intervention Pressure Control Valve  
A system comprising a control valve comprising a flapper either activated or inactivated, when activated the flapper may be closed or open and, when inactivated the flapper is open, a first sleeve...
US20120312540 MAGNETS-BASED TOOL FOR PULSING INJECTED LIQUID  
The pulse-tool is used when injecting liquid into a borehole in the ground. When a pulse-valve of the tool opens, liquid passes through from an accumulator to the ground formation, whereby the...
US20130098604 DETECTION AND QUANTIFICATION OF ISOLATION DEFECTS IN CEMENT  
A method for evaluating wellbore integrity including introducing a drill to a surface of a casing encompassing an annulus, enclosing the drill in a housing hydraulically isolating the surface,...
US20100051291 FRACTURE VALVE AND EQUALIZER SYSTEM AND METHOD  
Disclosed herein is an equalizer and fracture valve system. The system includes, a tubular, at least one fracture valve disposed at the tubular is openable and closeable to flow therethrough, and...
US20090008078 FLOW CONTROL ASSEMBLY HAVING A FIXED FLOW CONTROL DEVICE AND AN ADJUSTABLE FLOW CONTROL DEVICE  
An apparatus for use in a well includes a flow control assembly to control fluid flow in a first zone of the well, where the flow control assembly has a fixed flow control device and an adjustable...
US20120118646 BOREHOLE CUTTING ASSEMBLY FOR DIRECTIONAL CUTTING  
A borehole cutting assembly for directional cutting in a borehole, the assembly comprising an input pipe and a cutting head rotatably mounted on the input pipe such that the orientation of the...
US20090095486 CIRCULATION CONTROL VALVE AND ASSOCIATED METHOD  
A circulation control valve. A method of controlling circulation flow between an interior flow passage of a tubular string and an annulus external to the tubular string in a subterranean well...
US20100300702 Wellbore Shut Off Valve with Hydraulic Actuator System  
A wellbore shut-off valve is operably associated with a valve actuator so that the shut-off valve can be selectively moved between open and closed conditions when desired rather than opening and...
US20120241167 FLOW ACTIVATED SENSOR ASSEMBLY  
A sensor assembly for detection of fluid flow signaling over a tubular conveyance. The assembly may be employed for activation of a variety of different downhole actuators such as firing heads for...
US20090205834 Adjustable Flow Control Devices For Use In Hydrocarbon Production  
A flow control device may include a body having at least two flow paths configured to convey the fluid. The flow paths may be hydraulically isolated from one another in the body and at least one of...
US20130056206 VALVE FOR HYDRAULIC FRACTURING THROUGH CEMENT OUTSIDE CASING  
A valve for use in fracing through cement casing in a well allows for flow of cement down the well during the cementing process and in the open position allows for fracing fluid to be directed...
US20140069627 Resilient Downhole Flow Restrictor  
A flow restrictor includes resilient flaps that can flex outward to an open position in response to fluid flow pressure and return to an initial position at which the resilient flaps restrict fluid...
US20130299183 Failsafe Hydrostatic Vent  
An automatic vent valve and method for use is provided equalizing the pressure in at least two lines. A housing has a first piston that compresses a bias device when the second pressure source...
US20120292033 Vortex Controlled Variable Flow Resistance Device and Related Tools and Methods  
A vortex-controlled variable flow resistance device ideal for use in a backpressure tool for advancing drill string in extended reach downhole operations. The characteristics of the pressure waves...
US20090294135 Retrievable Surface Controlled Subsurface Safety Valve  
A safety valve apparatus has a housing with a bore and a projection disposed in the bore. A locking dog disposed on the housing is movable to engage an inner conduit wall surrounding the housing,...
US20090020295 Deep water hurricane valve  
A storm plug for temporarily isolating an offshore well in deep water includes a retrievable service packer connected to a valve housing containing a movable isolation sleeve and a standing valve....
US20140144642 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...
US20100294508 FLOW-ACTUATED ACTUATOR AND METHOD  
Disclosed herein is a flow-actuated actuator. The actuator includes, a tubular movable relative to a structure within which the tubular is positionable, and a plurality of full bore flow-resisting...
US20110024195 Drilling with a high pressure rotating control device  
A Drill-To-The-Limit (DTTL) drilling method variant to Managed Pressure Drilling (MPD) applies constant surface backpressure, whether the mud is circulating (choke valve open) or not (choke valve...
US20130161018 Functionalized Surface for Flow Control Device  
Flow control devices can include functionalized surfaces on inner regions of walls. A functionalized surface can include a hydrophilic and/or a hydrophobic material that can affect fluid flowing in...
US20080000642 Wireline slip hanging bypass assembly and method  
Bypass assembly 100 includes stinger 150 received by receptacle bore 172 of tubular receiver 120 attached to tube 106. Bypass pathway 140 connects stinger port(s) (158, 158′) to slip hanger 122 s...
US20140083680 System and Method for Detecting Screen-out using a Fracturing Valve for Mitigation  
This disclosure relates to a system and method for detecting screen-out using a fracturing valve for mitigation. The fracture method can comprise fracturing a well using a fracturing valve, while a...
US20140284061 FREE FLOW VALVE  
A valve for use with a downhole pump, wherein the valve comprises a single moving part that in a first position forms only a first interface and in a second position forms only a second interface,...
US20090084555 NOVEL ACTIVATING MECHANISM FOR CONTROLLING THE OPERATION OF A DOWNHOLE TOOL  
An activating mechanism for controlling the operation of a downhole tool in a drill string and which is intended to be housed in a portion of the drill string upstream of the downhole tool, in...
US20060289156 Lateral control system  
Disclosed herein is a lateral monitoring and/or control system. The system includes at least one splitter having a lateral bore and a main bore, at least one control line at the splitter and at...
Matches 1 - 50 out of 232 1 2 3 4 5 >