Class 166/332.2 - Having rotational movement

Subclass of Class 166 - Wells
Definition: Longitudinally moveable operator wherein the axial shifting
No. of patents: 33
Last issue date: 09/30/2008

Number	Title	Issue Date
7429030	Variable radial flow rate control system A variable radial flow rate control valve including a body forming a bore along the longitudinal axis thereof for transporting a fluid through the body, a fixed choke member fixedly positioned about the bore, the fixed choke member forming a fixed aperture, a rotati...	09/30/2008
7416026	Apparatus for changing flowbore fluid temperature A flowbore fluid temperature control system comprising a valve mechanism that adjusts the flow of a fluid through a flowbore. The flowbore fluid temperature control system also comprises an actuator that adjusts the valve mechanism. The flowbore fluid temperature co...	08/26/2008
7261161	Well testing system A well testing system and well testing method is described which can be operated as a closed system with no production of hydrocarbons outside the well or gas can be separated and flared at surface giving minimal environmental impact with the liquid hydrocarbon bein...	08/28/2007
7258323	Variable radial flow rate control system A variable radial flow rate control valve including a body forming a bore along the longitudinal axis thereof for transporting a fluid through the body, a fixed choke member fixedly positioned about the bore, the fixed choke member forming a fixed aperture, a rotati...	08/21/2007
7198109	Double-pin radial flow valve A valve with the following components: a pipe; an inner sub connected to the pipe; an outer sub connected to the pipe, wherein the inner and outer subs are concentric and define a sub annulus; a conduit between the sub annulus and an inside diameter of the inner sub...	04/03/2007
7195033	Method and system for determining and controlling position of valve Apparatuses and methods for accurately determining the position of a sliding or rotational sleeve valve in real time are disclosed. The apparatus comprises fiber optic cable based sensors which are either linearly or circumferentially arrayed in the housing that sur...	03/27/2007
7152678	System and method for downhole operation using pressure activated valve and sliding sleeve An isolation system for producing oil and gas from one or more formation zones and methods of use are provided comprising one or more pressure activated valve and one or more tool shiftable valve. The tool shiftable valve may be actuated before or after actuation of...	12/26/2006
7055598	Fluid flow control device and method for use of same A fluid flow control device (60) for use in a wellbore to control the inflow of production fluids comprises a sand control screen (62) having a base pipe (64) with a first set of openings (66) that allows the production fluids to flow the...	06/06/2006
6995352	Fiber optic based method and system for determining and controlling position of a sliding sleeve valve An apparatus and method for determining the position of a hydraulically actuated sliding sleeve valve in real time is disclosed. The apparatus comprises, in a preferred embodiment, a reference sensor and a position sensor, both of which constitute fiber optic windin...	02/07/2006
6899179	Bypass valve Bypass valve for use in wellbores, particularly during the setting of hydraulic anchor packers, a bypass valve is provided with a body (4) incorporating a wall provided with at least one opening (20) and a piston (30) slidably mounted and having...	05/31/2005
6776240	Downhole valve A valve for downhole well service, having a rotary indexer carrying an elastically-loaded valve element on a valve seat surface in a flow passage, the valve element adapted to obstruct one or more flow passages in the valve seat surface when aligned therewith. The v...	08/17/2004
6659186	Valve assembly An apparatus usable in a subterranean well includes a valve, a first mechanism, a second mechanism, and a lock. The valve controls communication between an exterior region that surrounds the valve and an inner passageway of the valve. The first mechanism ...	12/09/2003
6634424	Downhole control tool A downhole control tool (20) comprises a first sleeve (22) defining a first profile (28), a second sleeve (24) axially and rotatably movable relative to the first sleeve (22) and defining a second profile (30) for selectively engaging the first profile (2...	10/21/2003
6550541	Valve assembly An apparatus usable in a subterranean well includes a valve, a first mechanism and a second mechanism. The valve controls communication between an annular region that surrounds the valve and an inner passageway of the valve. The first mechanism causes the...	04/22/2003
6352119	Completion valve assembly In an embodiment of the invention, an apparatus for use in a subterranean well includes a tubular member, a hydraulically set packer, a control line and a valve. The tubular member has an internal passageway, and the hydraulically set packer circumscribes...	03/05/2002
6345668	Tubing hanger having an integral valve gate A tubing hanger having two actuators 34, 70 disposed at opposite ends of a valve gate 28, to provide pressure balancing. Each actuator has a piston 36 acted on by a hydraulic fluid supplied to sealed spaces 54, 60 through ports 62, 66, 76, 74. Ports 66, 7...	02/12/2002
6308783	Wellbore flow control device A device for regulating fluid flow in a well is provided. The device may include: a body member having a central bore extending therethrough, at least one flow port, and a first valve seat; a sleeve member movably disposed within the central bore of the b...	10/30/2001
6289911	Mud saver kelly valve A mud saver valve is described that features an outer housing that retains upper and lower valve pistons therewithin. The pistons coordinate to provide a check valve so that fluid, such as drilling mud, is permitted to flow in one direction while under pu...	09/18/2001
6241015	Apparatus for remote control of wellbore fluid flow An apparatus for remotely controlling fluids in a well is provided. The flow control apparatus may include a body member having a flow port in an outer wall of the body member, and a flow aperture spaced inwardly from the outer wall. A remotely shiftable ...	06/05/2001
6237683	Wellbore flow control device A device for regulating fluid flow in a well is provided. The device may include: a body member having a central bore extending therethrough, at least one flow port, and a first valve seat; a sleeve member movably disposed within the central bore of the b...	05/29/2001
6182762	Storm valve A method and apparatus for temporarily storing the lower portion of a string of drill pipe in a well which has a cased portion wherein a packer, installed between a storm valve located below the packer and an actuator located above the packer, is set in t...	02/06/2001
6041857	Motor drive actuator for downhole flow control devices Several motor driven embodiments are discussed which provide linear motion to a downhole flow control device. The embodiments employ ball screw assemblies or lead screw assemblies. A device for rotational actuation of a downhole flow control device is als...	03/28/2000
6009942	Wye block having a rotary guide incorporated therein A wye block apparatus provides selective physical access to multiple downhole tubing strings while permitting fluid communication with each of them. In a described embodiment, a wye block apparatus is resistant to malfunction due to debris therein, in sub...	01/04/2000
5918669	Method and apparatus for remote control of multilateral wells A method and apparatus for selectively producing fluids from multiple lateral wellbores that extend from a central wellbore. The apparatus comprises a fluid flow assembly with a selectively openable and adjustable flow control valve in communication with ...	07/06/1999
5890540	Downhole tool A downhole tool comprises a tubular body (12) for location in a tubular member, such as a drill string, and defines a through bore (20) and a number of circumferentially spaced ports (26). A valve member which may be in the form of a piston sleeve (24) is...	04/06/1999
5697449	Apparatus and method for temporary subsurface well sealing and equipment anchoring A retrievable packoff assembly for temporarily sealing a well pipe and anchoring equipment at a subsurface location within the pipe. The assembly is connected to a tubular actuation tool which is manipulated from the surface to position the assembly at a ...	12/16/1997
5379839	Well testing valve A well testing valve for obtaining a pressure build-up survey from a well bore intersecting a reservoir, the well bore containing a landing receptacle, is disclosed. The well testing valve comprises locking means for locking the well testing valve in the ...	01/10/1995
5253712	Rotationally operated back pressure valve A rotationally operated back pressure valve includes a flapper valve with a sliding stinger tube located thereabove in a housing. An operating mandrel has a lower end portion received in a bore of the housing and the operating mandrel extends upward out o...	10/19/1993
4979561	Positioning tool A positioning tool apparatus for positioning a sliding member of a well tool includes a drag assembly having a longitudinal passageway defined therethrough. An inner mandrel is disposed through the longitudinal passageway of the drag assembly and is longi...	12/25/1990
4953617	Apparatus for setting and retrieving a bridge plug from a subterranean well An apparatus for setting and retrieving a bridge plug of the type which may be passed through a small diameter tubing, and may be sealed against a relatively large diameter casing by pressured fluid to inflate an elastomeric packing element carried by the...	09/04/1990
4669541	Stage cementing apparatus A stage collar for stage cementing a well casing includes a slidable closing sleeve having ports alignable with ports in the stage collar case. These closing sleeve and stage collar ports communicate with an annulus around the well casing when the stage c...	06/02/1987
4560005	Sliding-sleeve valve for an oil well A sliding-sleeve valve for an oil well comprises a valve body provided with ports for the passage of fluid therethrough, and a longitudinally slidable sleeve for opening and closing the ports. The sleeve is located on the outside of the valve body and pro...	12/24/1985
4553599	Control apparatus for oil well production string closing tool This invention relates to equipment which is installed in oil wells and more particularly to a tool control apparatus for a tool placed in the production string of a well. This apparatus is lowered into the well at the end of a cable (116). It comprises a...	11/19/1985

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Class 166/332.2 - Having rotational movement