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Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 8162066 | Tubing weight operation for a downhole tool A downhole tool has housing components that are relatively movable. One of the components is supported downhole while a control line provides fluid pressure to move the other housing component relative to the supported component to put the tool in a first position. ... | 04/24/2012 |
| 8157017 | Method and apparatus for injecting fluid in a wellbore A chemical injection system for controlling injection of an injection fluid from an injection fluid supply at a surface location into a production tubing assembly having an upper flow path, a first flow zone, and a second flow zone. The chemical injection system com... | 04/17/2012 |
| 8157016 | Fluid metering device and method for well tool A method of actuating a well tool includes the steps of: increasing pressure in a fluid line of a fluid metering device; closing a pilot-operated valve in response to the pressure increasing step; and discharging a predetermined volume of fluid from the metering dev... | 04/17/2012 |
| 8074721 | Method for controlling a downhole tool with a linearly actuated hydraulic switch A switching apparatus, system, and method configured to operate at least a dual line downhole tool via a single pressure source are provided. The switching apparatus may comprise a housing configured to contain a switching piston actuated by a fluid pressure source.... | 12/13/2011 |
| 8056637 | Subsurface safety valve and method for chemical injection into a wellbore A subsurface safety valve is modified to permit the passage of a downhole treatment chemical through the valve while bypassing a valve closure member which is maintained within the safety valve in operative condition. ... | 11/15/2011 |
| 8006768 | System and method for controlling a downhole actuator A technique is provided for utilizing a hydraulic fluid metering control module in cooperation with a downhole component. The downhole component is shifted via hydraulic fluid delivered through first and/or second control lines to an actuator of the downhole compone... | 08/30/2011 |
| 7980315 | System and method for selectively communicatable hydraulic nipples A selectively communicatable hydraulic nipple is provided which includes an upper and lower communications component adapted to communicate with tools landed inside the hydraulic nipple. Each communications component communicates with a control line used by the hydr... | 07/19/2011 |
| 7954552 | Overriding a primary control subsystem of a downhole tool A system that is usable with a well may include a piston, a primary control subsystem and an override subsystem. The piston actuates the downhole tool, and the primary control subsystem may be connected to at least one hydraulic line in order to move the piston in r... | 06/07/2011 |
| 7926575 | Hydraulic lockout device for pressure controlled well tools Well tools are provided which although pressure responsive, may be maintained by a hydraulic lockout in a nonresponsive condition until a threshold actuation step is performed. This lockout may be achieved by a hydraulic mechanism which controls the rate at which pr... | 04/19/2011 |
| 7913766 | Method for reduction of control lines to operate a multi-zone completion A method for reducing the number of control lines needed to control a plurality of downhole devices including supplying a first control line in operable communication with a plurality of devices, the plurality of devices including at least one group of devices; supp... | 03/29/2011 |
| 7896082 | Methods and apparatus for negating mineral scale buildup in flapper valves Methods and devices for negating scale buildups on interior surfaces of a sliding sleeve valve housing above the flow tube. In some aspects, a wiper member provides additional clearance between the flow tube and housing to compensate for scale buildup. In other aspe... | 03/01/2011 |
| 7886830 | Downhole safety valve apparatus and method The application discloses a safety valve to replace an existing safety valve in order to isolate a production zone from a string of tubing when closed. Preferably, the safety valve includes a flow interruption device displaced by an operating conduit extending from ... | 02/15/2011 |
| 7878252 | Dual control line system and method for operating surface controlled sub-surface safety valve in a well A control system for a surface controlled sub-surface safety valve has first and second control lines. The first control line communicates control fluid to the sub-surface safety valve and preferably has a sump and in-line filters. Hydraulic pressure applied to the ... | 02/01/2011 |
| 7845416 | Hydraulic sleeve valve with position indication, alignment, and bypass A hydraulic sleeve valve that includes a valve position indication system that provides an indication that the valve has reached a predetermined position, such as, for example, the fully opened or fully closed condition. The hydraulic sleeve valve may include a bypa... | 12/07/2010 |
| 7845415 | Direct connecting downhole control system A system and method are provided for direct connecting downhole control hydraulics through an oil field hanger, where the hanger is coupled to a wellhead, to hydraulic lines extending outside the wellhead. Further, the direct connection allows hydraulic system integ... | 12/07/2010 |
| 7823648 | Downhole safety valve apparatus and method The application discloses a valve, which may include either a safety valve or a storm surge choke valve or the like, to isolate a zone below a valve from a string of production tubing. Preferably, the valve includes a flow interruption surface assembly, such as a fl... | 11/02/2010 |
| 7743833 | Pressure balanced piston for subsurface safety valves A control system for a subsurface safety valve references the surrounding annulus to put the operating piston in pressure balance. Depending on the configuration and which seal in the system fails, the various embodiments can differ in their failure modes. With the ... | 06/29/2010 |
| 7740075 | Pressure relief actuated valves An embodiment of a valve that is operable from one position to another position upon relief of an applied pressure includes a housing having a bore; a valve member disposed with the housing, wherein the valve member is actuated to one position in response to a certa... | 06/22/2010 |
| 7708075 | System and method for injecting a chemical downhole of a tubing retrievable capillary bypass safety valve A chemical injection system includes a TRSV; a communication nipple in operable communication with the TRSV and positioned relative to the TRSV to be downhole of a flapper closure mechanism thereof when installed in a wellbore; a chemical injection line in fluid com... | 05/04/2010 |
| 7703538 | Access apparatus from a tubular into a downhole hydraulic control circuit and associated method Access to a downhole tool through a tubular wall is created with a penetration tool into a surrounding annular chamber. The chamber is disposed around a tool joint between the end connection leaving an annular chamber that is of considerable length and allowing pene... | 04/27/2010 |
| 7654331 | Method and apparatus for reduction of control lines to operate a multi-zone completion A control system for a plurality of devices including a plurality of devices in at least one group. A first control line is in operable communication with the plurality of devices. A second control line in operable communication with the at least one group. A step-a... | 02/02/2010 |
| 7637326 | Downhole safety valve apparatus and method A safety valve (100) replaces an existing safety valve (102) in order to isolate a production zone from a tubing string when closed. Preferably the safety valve (100) includes a flow interruption device (106) displaced by an operating con... | 12/29/2009 |
| 7591317 | Tubing pressure insensitive control system A control system can be used with a single control line to a subsurface safety valve. The operating piston is exposed to the flow tube between two blocks with near identical seals to make the piston insensitive to tubing pressure. A control system seal is carried by... | 09/22/2009 |
| 7520332 | Method and associated system for setting downhole control pressure A method and associated system for setting downhole control pressure. A method of setting a downhole control pressure includes the steps of: installing a pressure control system with a pressure source; connecting a proximal end of a line to the pressure source and a... | 04/21/2009 |
| 7520333 | Hydraulic sleeve valve with position indication, alignment, and bypass A hydraulic sleeve valve is disclosed that comprises a bypass relief system that provides an indication that the valve has reached a predetermined position, such as, for example, the fully opened or fully closed condition. The bypass relief may also provide a valve ... | 04/21/2009 |
| 7397388 | Borehold telemetry system A system that is usable with a subterranean well includes an assembly and a telemetry tool. The system includes an assembly that performs a downhole measurement. The system also includes a downhole telemetry tool to modulate a carrier stimulus that is communicated t... | 07/08/2008 |
| 7392849 | Balance line safety valve with tubing pressure assist The present invention generally relates to a subsurface safety valve configured to control fluid flow through a production tubing string. In one aspect, a safety valve for deployment beneath a surface of a wellbore is provided. The valve includes a control piston an... | 07/01/2008 |
| 7370705 | Multiple zone downhole intelligent flow control valve system and method for controlling commingling of flows from multiple zones A production control system having a series of nested tubular members including at least one axial flow channel and at least two annular flow channels. At least one valve configured and positioned to control flow from each flow channel is provided. A producti... | 05/13/2008 |
| 7367393 | Pressure monitoring of control lines for tool position feedback A flow control device for use in a wellbore to allow flow of formation fluid into the wellbore comprises a valve member adapted to move when disposed in the wellbore. A fluid line supplies a working fluid under pressure to move the valve member to allow the fluid to... | 05/06/2008 |
| 7347275 | Apparatus and method to detect actuation of a flow control device An apparatus for use in a wellbore comprises a flow control device having an open position, a closed position, and at least one intermediate position. The apparatus further comprises a chamber and a movable member for actuating the flow control device, where the mov... | 03/25/2008 |
| 7347272 | Formation isolation valve The present invention provides for high volume flow from a well. A retrievable formation isolation valve allows high volume flow through the remaining casing or tubing. Alternatively, a large bore valve configuration that is not retrieved, but remains as part of the... | 03/25/2008 |
| 7347270 | Redundant hydraulic system for safety valve A subsurface safety valve for controlling a fluid flow through a well conduit includes a housing having a bore and disposed within an annulus defined by the space between the well conduit and the housing, a valve closure member movable between an open position and a... | 03/25/2008 |
| 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 |
| 7331398 | Multi-drop flow control valve system A multi-drop flow control valve system having a plurality of hydraulically actuated flow control valve, each valve set in an initial operating position. The flow control valves are connected to a hydraulic control line in sequence, wherein the second flow control va... | 02/19/2008 |
| 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 |
| 7311153 | Flow-biased sequencing valve A technique that is usable with a well includes providing a sequencing valve to in a first state to communicate a first flow through a first port of the valve and in a second state close fluid communication through the first port. The technique includes communicatin... | 12/25/2007 |
| 7306043 | System and method to control multiple tools through one control line The invention is a system and method a system used to control multiple downhole tools with one control line. The downhole tools may comprise any hydraulically actuated tools, such as valves, packers, or perforating guns. Each tool is associated with an indexer, in o... | 12/11/2007 |
| 7273107 | Valve within a control line The invention is a valve that prevents blow-outs through a control line while simultaneously allowing bi-directional flow or pressure transfer through the control line. The invention comprises a shuttle valve disposed in the control line. ... | 09/25/2007 |
| 7273106 | Surface flow controlled valve and screen An adjustable well screen assembly having a pipe which is connectable to a production pipe, wherein the pipe comprises a hole extending from the ID of the pipe to the OD of the pipe; a screen connected to the pipe adjacent the hole of the pipe; a valve connected to ... | 09/25/2007 |
| 7263029 | System and method for acquiring seismic and micro-seismic data in deviated wellbores Methods and apparatus are adapted for acquiring seismic data from an array of sensors deployed along a section of a deviated, including horizontal, wellbore for monitoring seismic and microseismic activity. The sensors may be permanently deployed in the wellbore. | 08/28/2007 |
