Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 8146658 | Providing a sensor array To assemble a sensor array having plural sections, the sections of the sensor array are sealably attached, where the sections include sensors and cable segments. An inert gas is flowed through at least one inner fluid path inside the sensor array when the sections o... | 04/03/2012 |
| 8069919 | Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations A system for monitoring a location of a borehole for production of petroleum from an earth formation is provided. The system includes: an assembly including at least one of an injection conduit for injecting a thermal source into the formation and a production condu... | 12/06/2011 |
| 7931081 | Systems, methods and apparatuses for monitoring and recovery of petroleum from earth formations A system for monitoring a location of a borehole for production of petroleum from an earth formation is provided. The system includes: an assembly including at least one of an injection conduit for injecting a thermal source into the formation and a production condu... | 04/26/2011 |
| 7690425 | Data logger plunger and method for its use A downhole plunger for oil and gas wells comprises an electronic ambient environmental sensor via a cargo bay. Although the sensor is preferably a downhole time, temperature, pressure and flow sensor, the device contemplates the use of any appropriate cargo to ascer... | 04/06/2010 |
| 7597143 | Method and apparatus for logging downhole data A downhole plunger for oil and gas wells comprises an electronic ambient environmental sensor via a cargo bay. Although the sensor is preferably a downhole time, temperature, pressure and flow sensor, the device contemplates the use of any appropriate cargo to ascer... | 10/06/2009 |
| 7455108 | Radio frequency tags for turbulent flows A system for communicating information, particular for use in a hydrocarbon well, is described including one or more releasable vessels having radio frequency (RF) circuitry responsive, when in use, to an RF reader system, the vessel including counteracting means to... | 11/25/2008 |
| 7357197 | Method and apparatus for monitoring the condition of a downhole drill bit, and communicating the condition to the surface A method and apparatus for signalling the surface operator about downhole conditions. Sensors located downhole collect data while drilling and the data is processed to determine bit failure, for example. When the sensor data indicates a failure, the pressure of dril... | 04/15/2008 |
| 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 |
| 7317990 | Distributed processing system for subsurface operations A method for distributed processing in a subsurface environment includes running a local program on a local computation unit, wherein the local program is configured to call a remote procedure to be executed by a remote computation unit, wherein the local computatio... | 01/08/2008 |
| 7283061 | Method and system for performing operations and for improving production in wells A method for performing operations and for improving production in a well includes the steps of: providing radio identification devices at known locations in the well, and providing a reader device configured to read the identification devices, and to control the op... | 10/16/2007 |
| 7278480 | Apparatus and method for sensing downhole parameters A sensor plug positionable in a perforation extending into a wall of a wellbore penetrating a subterranean formation is provided. The sensor plug includes a plug sleeve disposable in a perforation extending through the wellbore wall, a pin positionable in the plug s... | 10/09/2007 |
| 7259688 | Wireless reservoir production control A reservoir production control system includes a plurality of wells for producing a reservoir linked to a central computer over a downhole communication network and a surface communication network. Both the downhole and the surface communication networks are wireles... | 08/21/2007 |
| 7254999 | Permanently installed in-well fiber optic accelerometer-based seismic sensing apparatus and associated method Embodiments of the present invention include a fiber optic seismic sensing system for permanent downhole installation. In one aspect, the present invention includes a multi-station, multi-component system for conducting seismic reservoir imaging and monitoring in a ... | 08/14/2007 |
| 7252144 | Magnetometers for measurement-while-drilling applications A nuclear sensor on a bottomhole assembly (BHA) makes measurements of a property of an earth formation during continued rotation of the BHA. Magnetometers that are susceptible to bias error are deployed on the BHA to make measurements of the magnetic toolface angle.... | 08/07/2007 |
| 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 |
| 7250768 | Apparatus and method for resistivity measurements during rotational drilling A resistivity sub including a resistivity sensor forms part of a bottom hole drilling assembly. The sensor is maintained at a substantially fixed offset from the wall of a borehole during drilling operations by, for example, a stabilizer. In WBM, galvanic sensors ma... | 07/31/2007 |
| 7231972 | Integral flush gauge cable apparatus and method The present invention includes a communications system to measure and transmit date from a zone of interest below a downhole assembly to a remote location. The communications system preferably includes a sensor gauge engaged through a communications port of the down... | 06/19/2007 |
| 7219747 | Providing a local response to a local condition in an oil well A method and apparatus for providing a local response to a local condition in an oil well are disclosed. A sensor is provided to detect a local condition in a drill string. A controllable element is provided to modulate energy in the drill string. A controller is co... | 05/22/2007 |
| 7219727 | Wear resistant tubular connection A wear resistant casing connection including a wear resistant portion on its exterior surface is taught. A casing connection having a controlled bend angle is also taught. ... | 05/22/2007 |
| 7195062 | Measurement-while-drilling assembly using real-time toolface oriented measurements This invention provides a measurement-while-drilling (MWD) downhole assembly for use in drilling boreholes which utilizes directional formation evaluation devices on a rotating assembly in conjunction with toolface orientation sensors. The data from the toolface ori... | 03/27/2007 |
| 7168487 | Methods, apparatus, and systems for obtaining formation information utilizing sensors attached to a casing in a wellbore Methods, apparatus, and systems for obtaining information regarding a formation, a casing, or fluid within the casing are provided which utilize an interrogator and one or more sensing devices attached to a casing in a wellbore. The interrogator is located within an... | 01/30/2007 |
| 7164267 | Magnetic resonance fluid analysis apparatus and method Apparatus and method for providing in-situ data of formation fluids at true reservoir conditions. The apparatus has NMR chamber of the flow-through type, so it is no longer necessary to divert a sample for the basic NMR analysis or transfer it uphole for laboratory ... | 01/16/2007 |
| 7140434 | Sensor system A sensor for installation in an underground well having a casing or tubing installed therein, the sensor comprising: a sensor body that can be installed in a hole formed in the casing or tubing so as to extend between the inside and outside of the casing or tubing; ... | 11/28/2006 |
| 7123162 | Subsea communication system and technique A subsea communication system is used to communicate between a position that is proximal to a surface of the sea and an apparatus of the seabed. The subsea communication system includes an umbilicalless communication system. ... | 10/17/2006 |
| 7124028 | Method and system for transmission of seismic data The transmission method utilizes multiple seismic acquisition units within an array as intermediate short range radio receivers/transmitters to pass collected seismic data in relay fashion back to a control station. Any one seismic unit in the array is capable of tr... | 10/17/2006 |
| 7114561 | Wireless communication using well casing A petroleum well having a borehole extending into a formation is provided. A piping structure is positioned within the borehole, and an induction choke is positioned around the piping structure downhole. A communication system is provided along the piping structure ... | 10/03/2006 |
| 7114565 | Measurement-while-drilling assembly using real-time toolface oriented measurements This invention provides a measurement-while-drilling (MWD) downhole assembly for use in drilling boreholes which utilizes directional formation evaluation devices on a rotating assembly in conjunction with toolface orientation sensors. The data from the toolface ori... | 10/03/2006 |
| 7104324 | Intelligent well system and method An intelligent well system and method has a sand face completion and a monitoring system to monitor application of a well operation. Various equipment and services may be used. In another aspect, the invention provides a monitoring system for determining placement o... | 09/12/2006 |
| 7090010 | Gauge carrier sub apparatus A sub apparatus for delivering and protecting a gauge being lowered down a well bore, which includes a sub body having a first and second ends threadably engageable to sections of pipe in the drill or production string; the sub body including a first chamber for hou... | 08/15/2006 |
| 7071697 | Centralizer including measurement means A centralizer (1) for position a casing (3) in a conduit (4) passing through underground formations includes measurement means (7) such as an electrode for deriving at least one representative parameter of the formations. ... | 07/04/2006 |
| 7066282 | Apparatus and methods for measuring formation characteristics in presence of conductive and non-conductive muds Tools for investigating an earth formation in the presence of either oil-base or water-base mud include a circuit which induces current into the formation in a focused manner, and a sensor electrode which is isolated from the circuit, at least partially surrounded b... | 06/27/2006 |
| 7063148 | Method and system for transmitting signals through a metal tubular A method for transmitting signals through a metal tubular includes the steps of transmitting modulated electromagnetic signals through a non magnetic metal section of the metal tubular, detecting the signals or a field associated with the signals, and controlling or... | 06/20/2006 |
| 7055592 | Toroidal choke inductor for wireless communication and control An induction choke in a petroleum well where a voltage potential is developed across the choke to power and communicate with devices and sensors in the well. Preferably, the induction choke is a ferromagnetic material and acts as an impedance to a time-varying curre... | 06/06/2006 |
| 7046165 | Method for collecting geological data ahead of a drill bit A casing sensor and methods for sensing using a casing sensor are disclosed. The casing sensor includes a casing shoe and a sensor coupled to the casing shoe. A casing data relay includes a downhole receiver coupled to a well casing and a transmitter coupled to the ... | 05/16/2006 |
| 7044239 | System and method for automatic drilling to maintain equivalent circulating density at a preferred value A drilling system includes a pressure sensor disposed on a drill string in the wellbore, the sensor responsive to pressure of a drilling fluid disposed in an annular space between a wall of the wellbore and the drill string, and a processor operatively coupled to th... | 05/16/2006 |
| 7025138 | Method and apparatus for hydrogen sulfide monitoring The present invention relates to a method and apparatus for detection of hydrogen sulfide in downhole operations. A downhole tool is provided with a coupon adapted to react at varying degrees to exposure to concentrations of hydrogen sulfide. The downhole tool is po... | 04/11/2006 |
| 7000697 | Downhole measurement apparatus and technique A system that is usable with a subterranean well that has a casing includes an apparatus that is associated with production of fluid from the well and is located downhole in the well in a passageway of the casing. The system also includes a sensor that is located do... | 02/21/2006 |
| 7000700 | Measurement-while-drilling assembly using real-time toolface oriented measurements This invention provides a measurement-while-drilling (MWD) downhole assembly for use in drilling boreholes which utilizes directional formation evaluation devices on a rotating assembly in conjunction with toolface orientation sensors. The data from the toolface ori... | 02/21/2006 |
| 6994167 | Method and system for cement lining a wellbore The invention describes a method of cement lining a wellbore to enable a fixed sensor internal of the lining to sense characteristics of the external formations surrounding the wellbore using, at the region of the sensor position, a permeability changing device befo... | 02/07/2006 |
| 6981550 | Sonde A sonde and an apparatus for the deployment thereof against a well casing is described, the sonde comprising a resilient C-shaped member (22) and at least one sensor (23). ... | 01/03/2006 |
