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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 container....
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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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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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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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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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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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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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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 the...
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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 selectively...
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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 of...
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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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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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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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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...
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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...
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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...
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US20090065212 |
LUBRICATOR VALVE
A lubricator valve assembly adapted for connection in a pipe string for use in a well includes a tubular valve body having a bore formed longitudinally therethrough; a valve seat connected to the...
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US20090294136 |
Surface controlled subsurface safety valve having integral pack-off
A safety valve apparatus has a housing with a bore and a projection in the bore. A flapper rotatably disposed on the housing is movable relative to the bore between opened and closed positions, and...
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US20130068467 |
SELF-CONTROLLED INFLOW CONTROL DEVICE
An inflow control device controls the rate of fluid flow from a subsurface fluid reservoir into a production tubing string. The inflow control device includes a particulate screen to remove...
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US20130032361 |
Recovery Valve
A tubing hanger landing system includes a tubing hanger running tool, a locking flowline to lock the tubing hanger running tool into a tubing hanger, and a lower body shear joint having a recovery...
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US20120118564 |
Erosion Tracer And Monitoring System And Methodology
A technique provides a system and methodology for detecting and monitoring erosion in various environments, including downhole environments. A tracer element is located in a component such that...
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US20090260798 |
ACTIVE MUD VALVE SYSTEM
A downhole tool pumping apparatus comprising a body and an active valve block. The body comprises a cavity housing a reciprocating piston defining first and second chambers within the cavity. The...
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US20090126936 |
Actuating mechanism
An actuating mechanism (111) comprising an inner member (113) and an outer member (115) axially slidable relative to each other, the inner and outer members (113, 115) cooperating to define an...
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US20110127043 |
GAS LIFT VALVE
A gas lift valve assembly includes a housing that includes a first passageway that is substantially concentric with the central passageway of a string to communicate well fluid and a second...
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US20090255679 |
Valve, core sampling apparatus and method
A selectively operable downhole valve for use with core sampling apparatus, the valve comprising a throughbore through which a first body may pass, and an obstructing member which is capable of...
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US20130081824 |
TUBING RETRIEVABLE INJECTION VALVE ASSEMBLY
A method and apparatus for controlling the flow of fluid in an injection well includes a main valve assembly having a valve and a retrievable nozzle selective lock assembly (RNSLA). The RNSLA is...
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US20110042092 |
ALTERNATING FLOW RESISTANCE INCREASES AND DECREASES FOR PROPAGATING PRESSURE PULSES IN A SUBTERRANEAN WELL
A method of propagating pressure pulses in a well can include flowing a fluid composition through a variable flow resistance system which includes a vortex chamber having at least one inlet and an...
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US20090229828 |
RADIAL FLOW VALVE
A radial flow valve is disclosed which includes a plurality of flow openings, a first piston and a second piston, the first and second pistons being independently actuable relative to one another,...
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US20100038093 |
FLOW CONTROL VALVE PLATFORM
A system that is usable with a well includes a tubing string that extends into an isolated zone of the well and a plurality of chokes modules that are disposed in the isolated zone to control...
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US20120125627 |
SLEEVE VALVE
An apparatus and method for selectably opening a valve body having a central passage and a plurality of apertures therethrough. The apparatus comprises a sleeve slidably located within the central...
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US20110061875 |
CASING VALVES SYSTEM FOR SELECTIVE WELL STIMULATION AND CONTROL
Casing valves for selective well stimulation and control. A well system includes at least one valve interconnected in a casing string operable via at least one line external to the casing string to...
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