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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,... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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.... |
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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... |
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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... |
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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... |
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US20150068763 |
DOWNHOLE ACTUATOR
A downhole actuator typically for a downhole tool such as a valve, and typically for incorporation in a string of tubulars in an oil or gas well has a central axis with radially movable... |
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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... |
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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... |
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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... |
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US20150211333 |
VARIABLE DIAMETER PISTON ASSEMBLY FOR SAFETY VALVE
Disclosed are subsurface safety valves having a telescoping piston assembly. One disclosed safety valve includes a housing defining a piston bore that provides an upper bore section having a first... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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,... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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US20150218907 |
EXPANDING PISTON FOR A SUBSURFACE SAFETY VALVE
Disclosed are subsurface safety valves having an expanding piston used to increase the opening force for the safety valve. One disclosed safety valve includes a housing having a piston bore... |
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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... |
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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... |
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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,... |
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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.... |
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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... |
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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... |
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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... |
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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... |
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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... |
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US20150041148 |
Hydraulic Cycle Opening Sleeve
According to one aspect of the disclosure, a hydraulic cycle opening sleeve includes a valve assembly and an opening assembly. The valve assembly includes at least one valve chamber and valve... |