Electromagnetic Energy (e.g., Radio Frequency, Etc.) Patents (Class 340/854.6)
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Patent number: 7987027Abstract: Methods and systems are provided for providing machine health information. In one embodiment, a machine may include a storage device that is configured to store collected machine health data. The storage device has a module that is configured to determine a data characteristic and a communication characteristic. The storage device is further configured to determine, based on the data characteristic and the communication characteristic, whether to transmit a set of machine health data to an off-board system. Further, the storage device is coupled to a transmitter that is configured to transmit the set of machine health data to the off-board system.Type: GrantFiled: April 27, 2006Date of Patent: July 26, 2011Assignee: Caterpillar Inc.Inventors: Jonny Ray Greiner, James Thomas McCarty, William Todd Hasty, Daniel Roy Hangartner
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Patent number: 7980327Abstract: The invention provides for systems and methods of enhancing crude oil recovery providing an array of electromagnetic receiver antennae arranged and operated in conjunction with an array of far field electromagnetic transmitter antennae for mapping subsurface features of a reservoir. Mapping is performed according to the relative intensities, frequencies, phase shifts, and/or other reflected signal parameters of the reflections received by the receiver antennae (relative to the transmit signals) associated with a given location or target area within a reservoir. Such mapping aids in determining an optimal location of a production well or the location of an auxiliary well relative to the production well.Type: GrantFiled: August 21, 2009Date of Patent: July 19, 2011Assignee: Lockheed Martin CorporationInventors: Vincent Benischek, Michael Currie, Rajneeta Basantkumar, Gennady Lyasko
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Patent number: 7982632Abstract: Disclosed herein is a sensor system having a sensor and at least one communication line operable with the sensor. The transmission medium is configured to convey data transmitted by the sensor to a remote location. The sensor transmits data on the communication line a plurality of times by at least two methods of transmission or modulation. Further disclosed herein is a method based on the foregoing. Further disclosed is a method of communicating by modifying a voltage amplitude of a signal and receiving the communication signal by employing a variable threshold detection circuit in the downhole device. Further disclosed is a system for communicating data between a downhole device and a remote location including a remote device for generating a communication signal, the remote device configured to modify a voltage amplitude of said communication signal.Type: GrantFiled: May 2, 2007Date of Patent: July 19, 2011Assignee: Baker Hughes IncorporatedInventor: Joseph A. Miller, Jr.
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Publication number: 20110169656Abstract: A device for communicating with a downhole measurement tool includes a processor module comprising a set of commands and configured to issue a command from the set to the downhole tool and receive a corresponding reply from the downhole tool. The set of commands includes at least one of a command to switch the downhole measurement tool between a sleep mode and an active mode and a command to download data from the downhole measurement tool. The device includes a transceiver module coupled to the processor module and an antenna coupled to the transceiver module. The antenna and transceiver module are configured to transmit commands and replies between the processor module and the downhole measurement tool.Type: ApplicationFiled: January 8, 2010Publication date: July 14, 2011Inventors: ALAMZEB HAFEEZ KHAN, GREGORY EDWARD LEUENBERGER, KEVIN WILLIAM CLARK, COLIN ROBERT KOLLKER, BRETT HERBERT STANES
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Publication number: 20110169657Abstract: A lifecycle management system for detection and tracking of drillpipes which carry low radio frequency tags that comprise an inductive antenna and transceiver operable at a first radio frequency below 1 megahertz, a transceiver operatively connected to that antenna, an ID data storage device, a microprocessor for handling data from the transceiver and data store, and a tag energization inductive antenna which can receive radio frequency energy from an ambient radio frequency field of a second low radio frequency. The system includes a field communication inductive antenna disposed, preferably at a distance of several feet from each object, that permits effective communication therewith at the aforesaid first radio frequency, a data receiver, transmitter and reader data processor in operative communication with the field communication inductive antenna, and a field energization inductive antenna which can produce the ambient radio frequency field at the tag energization inductive antenna.Type: ApplicationFiled: August 3, 2010Publication date: July 14, 2011Applicant: VISIBLE ASSETS, INC.Inventors: M. Jason August, Paul Waterhouse, John K. Stevens
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Patent number: 7958949Abstract: A technique for drilling a borehole includes obtaining data from a tool in the borehole for a plurality of positions in the borehole that is being drilled to form acquired data indicative of directional electromagnetic propagation measurements. The technique includes identifying a plurality of distances to a boundary between formations in ground from the plurality of positions in the borehole based on the measurements; identifying a trajectory of the borehole using the plurality of distances; and deciding whether to change the trajectory of the borehole using a change in the plurality of distances between the trajectory and the boundary. The trajectory of the borehole may be changed in both inclination and azimuth.Type: GrantFiled: May 29, 2008Date of Patent: June 14, 2011Assignee: Schlumberger Technology CorporationInventor: Mohsin Hamed Al Hadhrami
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Patent number: 7946341Abstract: Acoustic monitoring of a conduit, a wellbore or a reservoir associated with hydrocarbon production or transportation and/or carbon dioxide sequestration is carried out using a fibre optic cable extending along or appurtenant to it as a distributed interferometer. Coherent Raleigh noise generated by the transmission of the coherent beam of radiation through the fiber optic is detected and processed to identify an acoustic occurrence.Type: GrantFiled: November 2, 2007Date of Patent: May 24, 2011Assignee: Schlumberger Technology CorporationInventors: Arthur H. Hartog, J. Ernest Brown, John Mervyn Cook, Jonathan Elphick, Paul S. Hammond, Ashley Bernard Johnson
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Patent number: 7932834Abstract: 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 receiver. The casing sensor may be coupled to the transmitter. A drill string actuator may be controllable through the downhole receiver.Type: GrantFiled: February 1, 2007Date of Patent: April 26, 2011Assignee: Halliburton Energy Services. Inc.Inventors: Jean Michel Beique, Morris Benjamin Robbins
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Patent number: 7894302Abstract: A drilling system utilizing a plurality of independent telemetry systems. The drilling system uses a drill collar as a pressure housing for downhole components of the system. One or more sensors are disposed within the pressure housing. These sensors can be MWD sensors, LWD sensors, or both MWD and LWD sensors. A plurality of independent borehole telemetry systems is used to telemeter sensor response data to the surface of the earth. Each sensor cooperates with a downhole component of at least one of the independent telemetry systems. The plurality of telemetry systems can be of the same type, such as a mud pulse systems. Alternately, the telemetry systems can be of different types including a mud pulse system and an electromagnetic system.Type: GrantFiled: December 7, 2006Date of Patent: February 22, 2011Assignee: Precision Energy Services, Inc.Inventors: Robert Anthony Aiello, Michael Louis Larronde, John Martin, Steven R. Farley, Kirk Towns
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Publication number: 20110030946Abstract: A method and system for transmitting electromagnetic waves from a wellbore. At least some of the illustrative embodiments are systems comprising production tubing in a wellbore, the production tubing extends beyond a casing in the wellbore, and the production tubing beyond the casing comprises a first conductive portion, and a second conductive portion mechanically coupled to and electrically isolated from the first conductive portion.Type: ApplicationFiled: June 10, 2008Publication date: February 10, 2011Applicant: HALLIBURTON ENERGY SERVICES, INC.Inventor: Malcolm Upshall
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Patent number: 7880640Abstract: A gap collar for an electromagnetic communication unit of a downhole tool positioned in a wellbore is provided. The downhole tool communicates with a surface unit via an electromagnetic field generated by the electromagnetic communication unit. The gap collar includes a first collar having a first end connector and a second collar having a second end connector matingly connectable to the first end connector. The gap collar further includes a non-conductive insulation coating disposed on the first and/or second end connectors, and a non-conductive insulation molding positioned about an inner and/or outer surface of the collars. The insulation molding moldingly conforms to the shape collars. The connectors are provided with mated threads modified to receive the insulation coating. Measurements taken by the downhole tool may be stored in memory, and transmitted to the surface unit via the electromagnetic field.Type: GrantFiled: May 24, 2006Date of Patent: February 1, 2011Assignee: Schlumberger Technology CorporationInventors: John Lovell, Qingyan He, Frank Shray
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Patent number: 7859426Abstract: A coaxial transmission line for an electromagnetic wellbore telemetry system is disclosed. An inner conductive pipe is disposed inside an axial bore of the outer conductive pipe. An insulator is positioned between the outer conductive pipe and the inner conductive pipe. In a specific embodiment, the inner conductive pipe is perforated or slotted.Type: GrantFiled: September 8, 2009Date of Patent: December 28, 2010Assignee: Intelliserv, LLCInventors: Brian Clark, Nobuyoshi Niina
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Patent number: 7839523Abstract: A printing system is provided having a plurality of networked printing devices, each printing device of the plurality of printing devices having a communication port for operatively communicating with another printing device of the plurality of printing devices via a network. Each of the printing devices of the plurality of printing devices is assigned a respective network address for use when communicating via the network. A first printing device of the plurality of printing devices includes a first communication device having circuitry for being sensed by a second printing device of the plurality of printing devices independently of the network. The second printing device includes a second communication device having circuitry for sensing the presence of the first communication device of the first printing device independently of the network, and a processor for executing application software for determining the network address of the sensed first printing device via the network.Type: GrantFiled: December 13, 2005Date of Patent: November 23, 2010Assignee: Xerox CorporationInventors: Gavan Leonard Tredoux, Alan Thomas Coté
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Publication number: 20100253537Abstract: A steering tool is movable by a drill string to form an underground bore along an intended path. A sensing arrangement of the steering tool detects its pitch and yaw orientations at a series of spaced apart positions along the bore, each position is characterized by a measured extension of the drill string. The steering tool further includes a receiver. At least one marker is positioned proximate to the intended path, for transmitting a rotating dipole field to expose a portion of the intended path to the field for reception by the receiver. The detected pitch orientation, the detected yaw orientation and the measured extension of the drill string are used in conjunction with magnetic information from the receiver to locate the steering tool. The steering tool may automatically use the magnetic information when it is available. A customized overall position determination accuracy can be provided along the intended path.Type: ApplicationFiled: June 15, 2010Publication date: October 7, 2010Inventors: Guenter W. Brune, Albert W. Chau, Rudolf Zeller, John E. Mercer
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Publication number: 20100219980Abstract: 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 operations responsive to signals from the identification devices. The method also includes the steps of providing a process tool, and transporting the process tool and the reader device through the well. The reader device is programmed to control the process tool upon reception of a response signal from a selected identification device. The method can be used to perform perforating processes, packer setting processes, bridge plug setting processes, logging processes, inspection processes, chemical treating processes, and cleaning processes. In addition, the method can be performed dynamically by controlling the tool as it moves through the well, or statically by stopping the tool at a particular location within the well.Type: ApplicationFiled: May 11, 2010Publication date: September 2, 2010Applicant: MARATHON OIL COMPANYInventors: Philip M. Snider, Joseph A. Zierolf
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Publication number: 20100214121Abstract: A top drive assembly may comprise a drive motor that provides rotational torque to a drill string for driving the drill string into the earth. A sensor and a transmitter may be located on a section of the drill string or on a device that can be incorporated into a drill string. The sensor may take measurements of the drill string that is rotating during the drilling operation. If the sensor is located near the top drive assembly, the sensor may take measurements of an upper portion of the rotating drill string during the drilling operation. The transmitter may wirelessly transmit the sensor information in real-time to a coordinator or main radio. The transmitter may also be located near the top drive assembly and during the drilling operation, may transmit from the rotating drill string while located in a position above the earth's surface.Type: ApplicationFiled: February 20, 2009Publication date: August 26, 2010Applicant: APS Technology, Inc.Inventors: William J. Puro, Phillip T. Harkawik
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Patent number: 7777643Abstract: One embodiment includes an apparatus that includes a storage medium to store data. The apparatus also includes a connector having an optical interface for data communication, coupled to the storage medium, to communicate in a combustible gas environment.Type: GrantFiled: May 6, 2004Date of Patent: August 17, 2010Assignee: Halliburton Energy Services, Inc.Inventors: Cili Sun, Laban Marsh, Billy Bankston, Jay Martin
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Patent number: 7733240Abstract: A system for loading a hardware configuration into downhole configurable hardware includes a surface control unit in communication with a downhole tool string component over a downhole network. The surface control unit initially has the hardware configuration and transmits it through the downhole network to the configurable hardware. The hardware configuration is implemented in the configurable hardware. The configurable hardware is preferably an FPGA.Type: GrantFiled: October 5, 2005Date of Patent: June 8, 2010Assignee: IntelliServ LLCInventors: David R. Hall, Monte L. Johnson
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Patent number: 7719439Abstract: An improved energy efficient intelligent rotary pulser for generating a mud pulse in a MWD (measurement while drilling) application. In the rotary pulser, a control circuit activates a brushless motor that rotates a windowed restrictor relative to a fixed housing to act as a shutter and window respectively. Opening of the windowed restrictor allows generally unrestricted mud flow. Closing of the windowed restrictor generally restricts mud flow. The windowed restrictor is powered both in opening and closing operations by the motor.Type: GrantFiled: June 30, 2006Date of Patent: May 18, 2010Assignee: Newsco Directional and Horizontal Drilling Services Inc.Inventors: F. Dale Pratt, Kenneth A. Lambe
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Publication number: 20100117855Abstract: Various systems and methods for implementing an azimuthally sensitive resistivity logging tool are disclosed. One such method involves transmitting a primary magnetic field from one or more coils placed on a drill collar and receiving several electrical signals, where each of the electrical signals is received from a respective one of several sensors. The sensors are distributed around a circumference of a drill collar, and an axis of at least one of the sensors is perpendicular to an axis of the drill collar. Each of the electrical signals indicates a respective magnitude of a measurement of a reflected magnetic field, where the reflected magnetic field is reflected from an anomalous geological formation. The method calculates a vector measurement of the reflected magnetic field, based upon the electrical signals.Type: ApplicationFiled: November 10, 2008Publication date: May 13, 2010Inventors: Paul L. Sinclair, Joseph K. Clontz
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Patent number: 7697894Abstract: A wireless communication method and device for managing information available via a wireless connection. Service information may be transmitted to a wireless communication device (WCD) via a short-range wireless network. Authentication information is scanned from an object containing machine-readable data via a different short-range communication medium. The authentication information is used to determine whether the downloaded service information should be permanently stored and made available in the user interface of the WCD.Type: GrantFiled: March 1, 2005Date of Patent: April 13, 2010Assignee: Nokia CorporationInventors: Martin Zilliacus, Marco Sandrini, Sakari Kotola, Jorma Vartia, Petri Vesikivi
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Patent number: 7688794Abstract: A printing system is provided including a plurality of printing devices. Each printing device includes an associated radio frequency identification (RFID) device. The RFID device associated with a first printing device of the plurality of printing devices is operable to sense the presence of an RFID device associated with a second printing device of the plurality of printing devices for sensing the presence of the second printing device.Type: GrantFiled: December 13, 2005Date of Patent: March 30, 2010Assignee: Xerox CorporationInventors: Gavan Leonard Tredoux, Alan Thomas Coté
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Patent number: 7656309Abstract: A system for sharing information between downhole drill strings is disclosed in one embodiment of the invention as including a first drill string and a communications network integrated into the first drill string. The communications network includes multiple nodes spaced at selected intervals along the first drill string to gather subterranean data along the first drill string. The system further includes a second drill string and a real-time communication link between the first drill string and second drill string. The communication link is used to transit the subterranean data from the first drill string to the second drill string to control the second drill string.Type: GrantFiled: July 6, 2006Date of Patent: February 2, 2010Inventors: David R. Hall, Joe Fox
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Patent number: 7652592Abstract: The device relates to an installation comprising a cavity extending from the surface of the ground and provided with at least one electrically conductive tubular element. The device comprises a single-strand smooth cable for supporting an action and/or measurement assembly, which cable is electrically conductive and has a breaking strength greater than 300 daN, and is disposed in the tubular element. The surface of the cable is electrically insulated at least in part from said tubular element. The device includes transmitter means and receiver means for transmitting and receiving an electrical and/or electromagnetic signal, said means being situated in the vicinity of the surface and in the cavity, and being electrically connected to the cable and to the tubular element and/or an underground formation. The invention is applicable to transmitting information and to controlling tools in an oil well.Type: GrantFiled: November 28, 2003Date of Patent: January 26, 2010Assignee: GeoservicesInventors: Bruno Le Briere, Vincent Chatelet, François Millet
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Publication number: 20100013664Abstract: A method and apparatus for determining position in a pipe provides for the precise determination of location and associated characteristics of each pipe joint of a well, cross country pipeline or other fluid transmission line. The system includes a passive or active radio identification device at each joint in the pipe or casing string. The devices are preferably sealed within the resilient seal positioned between each pipe or casing joint. A pipeline tool includes a radio transmitter and receiver, with the transmitter transmitting on a frequency selected for resonating the identification devices. The resonant response of each device is detected by a receiver in the pipeline tool, with the response transmitted to the surface via the wireline to which the tool is connected. Alternatively, the tool may include storage information means until the tool can be recovered from the well or pipe.Type: ApplicationFiled: September 22, 2009Publication date: January 21, 2010Applicant: MARATHON OIL COMPANYInventor: Joseph A. Zierolf
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Publication number: 20100013663Abstract: A downhole telemetry system (10) disposed within a wellbore (32). The downhole telemetry system (10) includes a downhole transmitter (48) operable to optically transmit a data stream and a downhole receiver (52) operable to receive the optically transmitted data stream. An optically transmissive fluid (64) is disposed in the wellbore (32) and provides a medium for the optical transmission of the data stream between the downhole transmitter (48) and the downhole receiver (52).Type: ApplicationFiled: July 16, 2008Publication date: January 21, 2010Applicant: HALLIBURTON ENERGY SERVICES, INC.Inventors: Travis Cavender, Kevin Fink, Vince Zeller, Roger Schultz
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Patent number: 7649474Abstract: A wireless communication and drill string telemetry system. The communication system is used for communicating information along a drill string between a boring tool and a boring machine. An insulator assembly provides an electrically insulated gap between the drill string communication path and a soil engaging electrode for the electrical return path. A transmitter assembly includes a data transmitter for encoding and transmitting a data signal. A signal coupler couples the data signal to the drill string and provides a controlled electrical connection between the drill string communication path and the soil engaging electrode. The signal coupler comprises a transformer and a current regulating circuit to adjust a voltage across the transformer's primary winding. A receiver assembly is disposed proximate the drilling machine and includes a toroidal pickup coil and a signal processing assembly.Type: GrantFiled: November 16, 2006Date of Patent: January 19, 2010Assignee: The Charles Machine Works, Inc.Inventor: Michael F. Gard
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Publication number: 20090322553Abstract: A coaxial transmission line for an electromagnetic wellbore telemetry system is disclosed. An inner conductive pipe is disposed inside an axial bore of the outer conductive pipe. An insulator is positioned between the outer conductive pipe and the inner conductive pipe. In a specific embodiment, the inner conductive pipe is perforated or slotted.Type: ApplicationFiled: September 8, 2009Publication date: December 31, 2009Inventors: Brian Clark, Nobuyoshi Niina
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Patent number: 7636052Abstract: A system, method and device may be used to monitor acoustic energy in a borehole. Electromagnetic energy is used to energize a resonant circuit incorporating a sensor. The sensor modulates the electromagnetic energy in accordance with received acoustic energy and transmits the modulated energy so that it may be received and processed in order to obtain the desired measurements.Type: GrantFiled: December 21, 2007Date of Patent: December 22, 2009Assignee: Chevron U.S.A. Inc.Inventors: Don M. Coates, M. Clark Thompson, David W. Beck
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Patent number: 7620394Abstract: A communications system includes a first wireless communications system configured to provide wireless communications over a first frequency band, and a second wireless communications system configured to provide wireless communications using at least a portion of the first frequency band. The system includes an inter-system communications link between the first wireless communications system and the second wireless communications system. The inters-system communications link is used to coordinate the use of the first frequency band. The system further includes an interference reducer configured to reduce interference between the first wireless communications system and the second wireless communications system. Related methods are also disclosed.Type: GrantFiled: February 21, 2006Date of Patent: November 17, 2009Assignee: ATC Technologies, LLCInventors: Alexander H. Good, Charlene J. King, Eric A. Swank, Monish Kundra, Peter D. Karabinis
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Patent number: 7609169Abstract: An electromagnetic well borehole telemetry system for transmitting information between a downhole transceiver, disposed preferably within a borehole assembly in the borehole, and a surface transceiver positioned at or near the surface of the earth. A trigger and cooperating strobe are used to define strobe increments. Synchronous telemetry measurements made during the strobe increments are algebraically summed to identify a synchronous cyclical noise component in a composite electromagnetic telemetry signal. Any non cyclical noise components occurring during the strobe increments algebraically cancel in the algebraic summing operation. The cyclical noise component is then removed from the composite signal thereby increasing the signal to noise ratio of the telemetry system. The system is particularly effective in minimizing electromagnetic noise generated by the rotation of a rotating element such as the rotary table or top drive of a drilling rig.Type: GrantFiled: August 31, 2006Date of Patent: October 27, 2009Assignee: Precision Energy Services, Inc.Inventor: Robert Anthony Aiello
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Patent number: 7605715Abstract: A coaxial transmission line for an electromagnetic wellbore telemetry system comprises an outer conductive pipe, an inner conductive pipe disposed coaxially inside an axial bore of the outer conductive pipe, a first electrical contact having a first contact face disposed at a first end of the inner conductive pipe, a second electrical contact having a second contact face disposed at a second end of the inner conductive pipe, wherein at least one of the first and second contact faces includes at least one slot, and an insulator disposed between the outer conductive pipe and the inner conductive pipe.Type: GrantFiled: July 10, 2006Date of Patent: October 20, 2009Assignee: Schlumberger Technology CorporationInventors: Brian Clark, Nobuyoshi Niina
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Patent number: 7605716Abstract: The present invention provides an electromagnetic telemetry apparatus and methods that include an insulating connector that comprises an outer metallic female member that has an inner conical longitudinal surface. In one embodiment, a tubular metallic male member is disposed in the female member, thereby crating an axial conical gap between the male and female members. A conical metallic sleeve having dimensions that substantially correspond to the axial conical gap is disposed in the axial conical gap. The outer tubular surface of the male member is coated with an insulating material, such as a ceramic material. A shoulder at one end of the male member prevents axial movement of the sleeve in one direction and a parallel key between the female member and a stabilizer member prevents rotational movement between the male and female members. The sleeve remains stationary relative to the insulated surface of the male member when the male and female members move longitudinally relative to each other.Type: GrantFiled: January 31, 2006Date of Patent: October 20, 2009Assignee: Baker Hughes IncorporatedInventors: Andreas Peter, Volker Krueger, Johan Witte
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Patent number: 7598886Abstract: A system for communicating with a downhole network integrated into a downhole drill string is disclosed in one aspect of the invention as including a data transmission coupler mounted to a downhole tool and adapted to transmit data across a tool joint. The data transmission coupler is also capable of transmitting data by emitting electromagnetic radiation. An antenna is focused at and positioned within sufficient range of the data transmission coupler to detect the electromagnetic radiation and receive the data. This data may then be transmitted to a receiver or other equipment. In certain embodiments, the antenna is located above ground level and may be mounted to a swivel, derrick, hoist system, kelly, or other structure. The antenna is ideally mounted to a structure which is out of the way of equipment and workers working on the drill string.Type: GrantFiled: April 21, 2006Date of Patent: October 6, 2009Inventors: David R. Hall, Christopher Durrand, Paula Turner, Joe Fox
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Patent number: 7573397Abstract: A system and method are provided for providing electromagnetic (EM) measurement-while-drilling (MWD) telemetry capabilities using an existing mud-pulse MWD tool. An EM tool intercepts the output from the mud-pulse tool and generates an EM signal that mimics a mud-pulse pressure signal. The EM signal is intercepted at the surface by a receiver module that conditions the signal and inputs the signal into the existing pulse tool receiver. Since the EM signal mimics a mud-pulse signal, the pulse tool receiver does not require software or hardware modifications in order to process an EM telemetry mode. The EM tool can be adapted to also provide dual telemetry by incorporating a conventional pressure pulser that would normally be used with the pulse tool. A gap sub assembly for isolating the drill string is also provided that includes a pair of subs whose shoulders are separated by a non-conductive ceramic material and whose threads are separated by an insulative material, preferably a Kevlarâ„¢ cloth.Type: GrantFiled: October 3, 2006Date of Patent: August 11, 2009Assignee: Mostar Directional Technologies IncInventors: John Petrovic, Victor Petrovic, Steven J. Braisher
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Patent number: 7570920Abstract: An AM-FM hybrid signal is created which may be used to communicate simultaneously with both RFID tags that receive AM signals and wireless devices that receive FM or PM signals. The AM-FM hybrid signal may be fed back into the system's receiver at the local oscillator in order to recover the RFID tag's FM response, thus enabling simultaneous reception and decoding of both RFID tag FM response and FM wireless device response.Type: GrantFiled: July 19, 2005Date of Patent: August 4, 2009Assignee: Intel CorporationInventor: Joshua Posamentier
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Patent number: 7561040Abstract: A fueling environment is equipped with leak detection probes and liquid level probes. Each of the probes is associated with a wireless transceiver. The wireless transceivers send probe data to a site communicator wireless transceiver. To ensure that the site communicator receives the probe data, repeaters are used within the fueling environment. The repeaters receive the probe data, and some period of time after the sensor transceivers stop transmitting, the repeaters retransmit the probe data to the site communicator. The site communicator discards duplicative information and processes the probe data as needed.Type: GrantFiled: December 13, 2004Date of Patent: July 14, 2009Assignee: Veeder-Root CompanyInventors: Kent Reid, James J. Longworth, Donald A. Kunz
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Publication number: 20090153355Abstract: The present invention concerns application of a unique conductive electrode geometry used to form an efficient wideband, one- or two-way wireless data link between autonomous systems separated by some distance along a bore hole drill string. One objective is the establishment of an efficient, high bandwidth communication link between such separated systems, using a unique electrode configuration that also aids in maintaining a physically robust drill string. Insulated or floating electrodes of various selected geometries provide a means for sustaining or maintaining a modulated electric potential adapted for injecting modulated electrical current into the surrounding sub-surface medium. Such modulated current conveys information to the systems located along the drill string by establishing a potential across a receiving insulated or floating electrode.Type: ApplicationFiled: February 17, 2009Publication date: June 18, 2009Inventors: Timothy M. Price, Donald H. Van Steenwyk, Harold T. Buscher
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Patent number: 7539279Abstract: Waveforms for controlled source electromagnetic surveying. The waveforms have frequency spectra that include three or more frequencies spaced at substantially equal intervals on a logarithmic frequency scale and spanning a bandwidth of about one decade or more, at least three of which frequencies have approximately equal corresponding amplitudes.Type: GrantFiled: April 20, 2005Date of Patent: May 26, 2009Assignee: ExxonMobil Upstream Research CompanyInventors: Xinyou Lu, Leonard J. Srnka
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Publication number: 20090115625Abstract: An MWD data transmission system and method for determining and transmitting the environmental properties of the downhole borehole assembly (BHA) to surface data receivers via mud pulse telemetry, EM telemetry, or both mud pulse telemetry and EM telemetry based on one or more determined properties of the downhole environment.Type: ApplicationFiled: October 17, 2008Publication date: May 7, 2009Applicant: Multi-Shot, LLCInventor: Allen Richard Young
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Patent number: 7518528Abstract: The present invention concerns application of a unique conductive electrode geometry used to form an efficient wideband, one- or two-way wireless data link between autonomous systems separated by some distance along a bore hole drill string. One objective is the establishment of an efficient, high bandwidth communication link between such separated systems, using a unique electrode configuration that also aids in maintaining a physically robust drill string. Insulated or floating electrodes of various selected geometries provide a means for sustaining or maintaining a modulated electric potential adapted for injecting modulated electrical current into the surrounding sub-surface medium. Such modulated current conveys information to the systems located along the drill string by establishing a potential across a receiving insulated or floating electrode.Type: GrantFiled: February 13, 2006Date of Patent: April 14, 2009Assignee: Scientific Drilling International, Inc.Inventors: Timothy M. Price, Donald H. Van Steenwyk, Harold T Buscher
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Patent number: 7518527Abstract: A measuring while drilling system typically has a metal pipework extending underground connected to an antenna. The metal pipework and the antenna are both connected to a type of downhole equipment. The antenna transmits or receives signals to/from a transceiver located on the surface, and the transceiver is connected to the metal pipeword and to a ground. The system is improved by joining a plurality of sections of wired drill pipe together to form a section where the antenna is integral with the metal pipework. One end of the section of wired drill pipe is joined to downhole equipment and another end is joined to a conventional metal pipework.Type: GrantFiled: April 16, 2003Date of Patent: April 14, 2009Assignee: Weatherford Canada PartnershipInventor: Paul E Radzinski
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Publication number: 20090058675Abstract: Aspects of this invention include a downhole assembly having a non-contact, capacitive coupling including first and second transceivers deployed in corresponding first and second downhole tool members. The capacitive coupling is disposed to transfer electrical signals between the first and second transceivers. In one exemplary embodiment, the capacitive coupling is configured to transfer data and power between a substantially non-rotating tool member and a rotating tool member, for example, the shaft and blade housing in a steering tool. Exemplary embodiments of this invention provide a non-contact, high-speed data communication channel between first and second members of a downhole assembly. Moreover, exemplary embodiments of the invention also provide for simultaneous non-contact transmission of electrical power between the first and second tool members.Type: ApplicationFiled: August 31, 2007Publication date: March 5, 2009Applicant: PathFinder Energy Services, Inc.Inventor: Junichi Sugiura
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Publication number: 20090045974Abstract: A downhole wireless communication method and system is provided for a completed wellbore having a mother bore and two or more lateral branches, wherein at least one of the lateral branches is not electrically or hydraulically wet connected to the mother bore. The system includes an upper two-way, short hop, wireless telemetry module disposed within the mother bore and connected to a first power source, and two or more lower two-way, short hop, wireless telemetry modules disposed within the completed wellbore and connected to a second power source wherein at least one of the lower two-way, short hop wireless telemetry modules is disposed within each of the lateral branches. At least one sensor is adapted to measure downhole parameters and at least one flow control valve are communicably coupled to the upper two-way, short hop, wireless telemetry module or the lower two-way, short hop, wireless telemetry modules.Type: ApplicationFiled: August 11, 2008Publication date: February 19, 2009Applicant: SCHLUMBERGER TECHNOLOGY CORPORATIONInventor: Dinesh R. Patel
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Patent number: 7492279Abstract: A method and a system for managing information relating to boreholes and further an identifier utilized by the method and the system. An identifier which includes machine-readable information is arranged in connection with a borehole under examination. The readable information may be an identification code or, alternatively, measurement information on the borehole to be stored in the identifier.Type: GrantFiled: April 7, 2004Date of Patent: February 17, 2009Assignee: Sandvik Mining and Construction OYInventor: Vesa Uitto
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Publication number: 20090021392Abstract: A wireless data communication system for a down hole environment. The system includes a housing containing a sensor, positioned within a tubular, for collecting information and processing the information, a modulator for modulating the information from the sensor into an analog signal, and a sensor antenna electrically connected to the first modulator for generating a modulated electromagnetic wave. The system further includes a probe housing, concentrically disposed within the tubular, comprising a probe antenna for receiving the modulated electromagnetic wave and generating an output, and a demodulator for demodulating the electromagnetic wave received from the sensor to a digital record. A method of wirelessly communicating between a probe and a remote sensor is also disclosed.Type: ApplicationFiled: July 31, 2008Publication date: January 22, 2009Inventor: William D. Flanagan
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Patent number: 7477160Abstract: A subsea communication system includes addressable nodes in a wellbore and addressable nodes on a floor, where the nodes in the wellbore and on the floor are able to communicate wirelessly with each other, such as through a formation.Type: GrantFiled: October 20, 2005Date of Patent: January 13, 2009Assignee: Schlumberger Technology CorporationInventors: Erwann Lemenager, Herve Ohmer, Klaus B. Huber, Randolph J. Sheffield
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Patent number: 7477162Abstract: A wireless electromagnetic telemetry system for broadcasting signals across a bottomhole assembly disposed in a borehole drilled through a subterranean formation includes an insulated gap at a first point in the bottomhole assembly, at least one magnetic field sensor at a second point in the bottomhole assembly which measures a magnetic field, and a circuitry which modulates a voltage across the insulated gap, wherein the voltage creates an axial current along the bottomhole assembly that results in the magnetic field.Type: GrantFiled: October 11, 2005Date of Patent: January 13, 2009Assignee: Schlumberger Technology CorporationInventor: Brian Clark
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Publication number: 20080316049Abstract: A fluid can be tracked in a wellbore utilizing at least one RFID tag entrained in the fluid. An RFID tag reader can be disposed and/or displaced in the wellbore, for example, on a drill string or a casing string. A reader can be utilized to locate the at least one RFID tag in the wellbore. A reader can be housed in a drill string sub. A fluid entrained with at least one RFID tag can be utilized as a tracer fluid. An RFID tag can be entrained in cement or a drilling or fracture fluid.Type: ApplicationFiled: June 25, 2008Publication date: December 25, 2008Applicant: TURBO-CHEM INTERNATIONAL, INC.Inventors: Robin J. Verret, Michael J. Kilchrist
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Publication number: 20080316048Abstract: A well site data communication system is disclosed, the system including a receiver coupled to a first communication terminal that receives information using a first communication protocol; a transmitter coupled to the first communication terminal that sends information from the first communication terminal to a second communication terminal located at a well site using a second communication protocol; and a processor coupled to the first communication terminal configured as a protocol translator to change the received information from the first communication protocol to the second communication protocol. A method for well site communication is also disclosed. A data structure used by the system and method is also disclosed.Type: ApplicationFiled: March 26, 2008Publication date: December 25, 2008Applicant: vMonitor, Inc.Inventor: Raed H. Abdallah