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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 7823633 | Valve apparatus A valve apparatus for controlling fluid flow between a fluid passage and a fluid delivery conduit therein includes a valve housing having first and second housing ports spaced therealong, and a driven member driveable toward and away from the first housing port. A c... | 11/02/2010 |
| 7814970 | Downhole tool delivery system A downhole tool deployment apparatus is disclosed, which preferably includes at least an in-ground well casing, a depth determination device providing a hermetically sealed electronics compartment, tool attachment portions, and a first flow through core. The depth d... | 10/19/2010 |
| 7559358 | Downhole uses of electroactive polymers A downhole actuator comprising a electroactive polymer, an advancement device, and an electrical source for stimulating the electroactive polymer. The advancement device is motivated by stimulation of the electroactive polymer. The electroactive polymer can be stimu... | 07/14/2009 |
| 7367405 | Electric pressure actuating tool and method Disclosed herein is a downhole tool actuation arrangement. The arrangement includes a housing having a chamber, at least one piston in operable communication with the chamber and at least one electrode exposed to the chamber. The electrodes are receptive to a power ... | 05/06/2008 |
| 7363980 | Downhole flow control apparatus, operable via surface applied pressure Flow control apparatus, for placement in a downhole location in the tubing string of a well. The apparatus comprises a valve element and a lock element. Application and removal of annulus pressure (on the annulus between the tubing and the casing) permits the appara... | 04/29/2008 |
| 7350590 | Instrumentation for a downhole deployment valve The present generally relates to apparatus and methods for instrumentation associated with a downhole deployment valve or a separate instrumentation sub. In one aspect, a DDV in a casing string is closed in order to isolate an upper section of a wellbore from a lowe... | 04/01/2008 |
| 7337850 | System and method for controlling actuation of tools in a wellbore A technique is provided to control operation of well tools deployed in a wellbore. The technique utilizes a completion with at least one well tool actuated by fluid input. An electronic trigger system is associated with each well tool and is designed to respond to a... | 03/04/2008 |
| 7322410 | Controllable production well packer An apparatus and method for operating an electrically powered device in a packer using the piping structure of the well as an electrical conductor for providing power and/or communications. The electrically powered device may comprise an electrically controllable va... | 01/29/2008 |
| 7273096 | Gel release device The invention relates to a device for holding and releasing an object, such device having a body with a cavity in which the object is accommodatable, an elastic retaining member for retaining the object in the cavity, and, a pushing member for pushing the object out... | 09/25/2007 |
| 7252152 | Methods and apparatus for actuating a downhole tool The present invention relates to apparatus and methods for remotely actuating a downhole tool. In one aspect, the present invention provides an apparatus for activating a downhole tool in a wellbore, the downhole tool having an actuated and unactuated positions. The... | 08/07/2007 |
| 7240737 | Direct proportional surface control system for downhole choke A direct proportional control system for remotely controlling actuation of a tool. A well control system includes an actuator for a downhole well tool, the actuator including an actuator member which displaces to operate the well tool. A control system member is pos... | 07/10/2007 |
| 7237616 | Actuator module to operate a downhole tool An actuator module that is usable with a subterranean well includes a housing, a stimulus detector and an actuator. The stimulus detector and the actuator are mounted to the housing, and the housing is adapted to form a releasable connection with a tubular string. T... | 07/03/2007 |
| 7219752 | System and method for damping vibration in a drill string A system for damping vibration in a drill string can include a valve assembly having a supply of a fluid, a first member, and a second member capable of moving in relation to first member in response to vibration of the drill bit. The first and second members define... | 05/22/2007 |
| RE39583 | Multiple well tool control systems in a multi-valve well testing system having automatic control modes A multi-valve well testing system adapted to be disposed downhole in a borehole, includes a plurality of valves and a plurality of well tool control systems connected, respectively, to the plurality of valves and further includes an automatic control mode feature. T... | 04/24/2007 |
| 7195072 | Installation of downhole electrical power cable and safety valve assembly The present invention generally provides apparatus and methods for removing liquid from a well. In one embodiment, a cable and subsurface safety valve assembly is used with a downhole pumping system to remove water from the well. The cable and subsurface safety valv... | 03/27/2007 |
| 7182135 | Plug systems and methods for using plugs in subterranean formations A method and plug for separating fluids in subterranean wells is provided. The plug enters a passage at an interface of successively introduced fluids. The plug comprises an outer body and a detachable inner mandrel attached to the outer body. An Assembly comprising... | 02/27/2007 |
| 7147059 | Use of downhole high pressure gas in a gas-lift well and associated methods A gas-lift petroleum well and method for producing petroleum products using downhole pressurized gas to provide lift. The gas-lift well having a well casing, a production tubing, a packer, and a gas-lift valve. The well casing extends within a wellbore of the well, ... | 12/12/2006 |
| 7104331 | Optical position sensing for well control tools An apparatus and methods are disclosed for using optical sensors to determine the position of a movable flow control element in a well control tool. A housing has a movable element disposed within such that the element movement controls the flow through the tool. An... | 09/12/2006 |
| 7082994 | Radially adjustable downhole devices and methods for same A method for logging a wellbore includes actuating a positioning device to adjust the position of a module relative to a reference point or object such as a wellbore axis or proximally positioned downhole device. With respect to a wellbore, an exemplary positioning ... | 08/01/2006 |
| 7073594 | Wireless downhole well interval inflow and injection control An apparatus and methods of electrically controlling downhole well interval inflow and/or injection. The downhole controllable well section having a communications and control module, a sensor, an electrically controllable valve and an induction choke. The electrica... | 07/11/2006 |
| 7059407 | Method and apparatus for stimulation of multiple formation intervals The invention discloses methods of, as well as apparatus and systems for, perforating and treating multiple intervals of one or more subterranean formations intersected by a wellbore by deploying within said wellbore a bottom-hole assembly (“BHA”) having a perfo... | 06/13/2006 |
| 7044229 | Downhole valve device A downhole valve device (1) in a drill string (14) in a petroleum well (2) and method for maintaining optimal annular fluid velocity and wellbore pressure. The device comprises a valve housing (20) connected between adjacent segments (... | 05/16/2006 |
| 7025131 | Electrical tubing control and remediation apparatus and method of use The method of operating a subsurface safety valve and preventing or remediating the formations of hydrate, wax, or paraffin solids in the well bore of an oil or gas well comprising coating the external area of the intermediate portion of a string of tubing to electr... | 04/11/2006 |
| 7021388 | Fibre optic well control system In a hydrocarbon production well, a control processor 32 selectively sends light to each of one or more gas lift valves 28 to cause injection of an injection fluid (such as nitrogen gas) from a pressurised annulus 22 into a production fluid (hyd... | 04/04/2006 |
| 7000693 | Control of hydrocarbon wells An apparatus controls the operation of a hydrocarbon production well. The apparatus includes a supply means for providing an electric power supply. The apparatus also includes a plurality of electrically operated actuating devices. The actuating devices can be a plu... | 02/21/2006 |
| 6988554 | Subsea choke control system A choke actuator having an integrated choke control system enabling fast closure and opening of the choke. The choke control system includes integral electronics to receive signals from a surface or subsea control module and control directional control valves to reg... | 01/24/2006 |
| 6959763 | Method and apparatus for integrated horizontal selective testing of wells Integrated horizontal selective testing of production flow from individual perforations or individual lateral branches of a highly deviated or horizontal multilateral branch well is accomplished by a downhole flow rate testing tool which is selectively positioned wi... | 11/01/2005 |
| 6957701 | Method and apparatus for stimulation of multiple formation intervals The invention discloses methods of, as well as apparatus and systems for, perforating and treating multiple intervals of one or more subterranean formations intersected by a wellbore by deploying within said wellbore a bottom-hole assembly (“BHA”) having a perfo... | 10/25/2005 |
| 6945330 | Slickline power control interface An apparatus, method, and system for use in operating an electric downhole tool on a non-conductive support line (slickline) by converting a battery voltage to an output voltage suitable for operating the tool. In response to receiving a trigger signal, the output v... | 09/20/2005 |
| 6926089 | Downhole actuation system utilizing electroactive fluids Downhole wellbore tools are actuated by electrically controllable fluids energized by a magnetic field, for example. When energized, the viscosity state of the fluid may be increased by a degree depending on the fluid formulation. Reduction of the controllable fluid... | 08/09/2005 |
| 6899178 | Method and system for wireless communications for downhole applications The present invention comprises tools (20) for deployment downhole in a wellbore for aiding in the production of hydrocarbons. In an exemplary embodiment, the tools (20) comprise a tool body (24); an electrically powered device (22) dispo... | 05/31/2005 |
| 6877557 | In-well monitoring and flow control system An in-well monitoring and flow control system with an improved power supply. A separate high voltage (18) and low voltage power supply (23) is provided together with a cable (14) which has at least two separate cores; one core (24) for hi... | 04/12/2005 |
| 6851481 | Electro-hydraulically pressurized downhole valve actuator and method of use A petroleum well having a communication system and a hydraulic system is provided. The petroleum well includes a borehole and a piping structure positioned within the borehole. The communication system supplies a time varying electric current downhole along the pipi... | 02/08/2005 |
| 6786285 | Flow control regulation method and apparatus A technique for controlling fluid production in a deviated wellbore is disclosed. The technique utilizes a flow pipe the interior of which is in hydraulic communication with the earth's surface. A plurality of flow control valves are disposed at spaced apart positio... | 09/07/2004 |
| 6782948 | Remotely operated multi-zone packing system A multi-zone packing system having unique features that allow for remote operation, thereby eliminating the need to raise and lower a work string and crossover tool to various zones of interest during a frac pack, gravel pack or related completion procedure. The squ... | 08/31/2004 |
| 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 |
| 6719057 | Downhole subsurface safety valve device A downhole subsurface safety valve device, where an actuator is mounted on the outside of the well on the Christmas tree and the valve is operated by a mechanical transmission which may be linear (an hydraulic actuator) or rotary (an electric motor). ... | 04/13/2004 |
| 6679324 | Downhole device for controlling fluid flow in a well There is provided a downhole device for controlling the flow of fluids through an oil and/or gas production well comprises a deformable chamber which contains an electromagnetic field or other stimuli responsive gel and a fluid passage which is closed off... | 01/20/2004 |
| 6648073 | Retrievable sliding sleeve flow control valve for zonal isolation control system A system for controlling fluid flow from multiple isolated producing zones in a well is provided. Components of the system are placeable in and retrievable from bottom entry side pocket mandrel sections permanently installed in a production tubing string ... | 11/18/2003 |
| 6616837 | Apparatus for the optimization of the rheological characteristics of viscous fluids An apparatus for optimizing the rheological properties of a viscous fluid is particularly designed to reduce the viscosity of the fluid so that it may be more readily transported from a subsurface reservoir to the surface. The apparatus includes housing h... | 09/09/2003 |
