Patents Represented by Attorney G. Michael Roebuck
  • Patent number: 7844401
    Abstract: The present disclosure presents illustrative embodiments of a method for estimating the producibility of a hydrocarbon bearing formation using a flexural mechanical resonator to measure the viscosity and density of a representative fluid from the formation. A system is disclosed for estimating the producibility of a hydrocarbon bearing formation using a flexural mechanical resonator to measure the viscosity and density of a representative fluid from the formation. A data structure is disclosed for storing data useful for estimating the producibility of a hydrocarbon bearing formation using a flexural mechanical resonator to measure the viscosity and density of a representative fluid from the formation. The data structure provides a structural and functional interrelationship between the data structure, data in the data structure and a computer and computer software provided in an illustrative embodiment.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: November 30, 2010
    Assignee: Baker Hushes Incorpated
    Inventor: Peter W. Reittinger
  • Patent number: 7830459
    Abstract: A system and method are disclosed for receiving a group of video channels at a client device, selecting a display set from the group of channels, and sending a communication to a display for displaying each channel in the display set in parallel wherein each one of the channels in the display set is displayed in one of a plurality of picture in picture (PIP) displays for a predetermined time.
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: November 9, 2010
    Assignee: AT&T Knowledge Ventures, L.P.
    Inventor: Dinesh Nadarajah
  • Patent number: 7826050
    Abstract: A method is disclosed for changing an optical path length through a fluid downhole, comprising interspersing an optically transmissive member into a first optical path through the fluid, thereby creating a second shorter optical path through the fluid. In another embodiment, the method further comprises measuring an intensity of light, I1 transmitted through the first optical path; measuring an intensity of light, I2 transmitted through the second optical path; and estimating an optical property for the second optical path from the ratio, I1/I2. A system is disclosed for changing an optical path length through a fluid downhole, comprising a fluid passage between two optically transmissive windows for the fluid downhole, the fluid passage having a first optical path through the fluid; and an optically transmissive member for insertion into the first optical path, thereby creating a second shorter optical path through the fluid.
    Type: Grant
    Filed: September 5, 2007
    Date of Patent: November 2, 2010
    Assignee: Baker Hughes Incorporated
    Inventors: Rocco DiFoggio, Paul A. Bergren, Francisco Galvan-Sanchez, Daniel T. Georgi
  • Patent number: 7814521
    Abstract: A method is disclosed for distributing advertising data in an internet protocol television (IPTV) system, the method including dividing a plurality of end user devices in the IPTV system into K advertising groups; multicasting J advertising data multicast groups to end user devices in J advertising groups having a percentile ranking above or equal to a predetermined percentile ranking; and unicasting advertising data channels for actively viewed IPTV channels being viewed by other end users.
    Type: Grant
    Filed: April 25, 2007
    Date of Patent: October 12, 2010
    Assignee: ATT Knowledge Venturers, L.P.
    Inventors: Canhui Ou, Zhi Li, Yali Liu
  • Patent number: 7804190
    Abstract: An electrical power distribution method and apparatus are disclosed, the apparatus comprising a first power distribution member section receiving electrical power from a power supply and a second high resistivity power distribution member section, electrically connected to the first section for supplying the electrical power to an electrical device in electrical communication with the high resistivity section.
    Type: Grant
    Filed: September 19, 2007
    Date of Patent: September 28, 2010
    Assignee: Power Integration Consulting, Inc.
    Inventor: John Bradford Janik
  • Patent number: 7802277
    Abstract: In a particular embodiment a method is disclosed for inserting data objects into a video stream. The method encrypts a first portion of the video stream at a server, suspends encryption of a second portion of the video stream, and sends the first and second portions of the video stream to a client device for insertion of the object into the video stream. In another embodiment a system is disclosed for inserting data objects into a video stream. The system encrypts a first portion of the video stream at a server, suspends encryption of a second portion of the video stream, and sends the first and second portions of the video stream to a client device for insertion of the object into the video stream.
    Type: Grant
    Filed: February 15, 2006
    Date of Patent: September 21, 2010
    Assignee: ATT Knowledge Ventures, L.P.
    Inventor: Brad A. Medford
  • Patent number: 7774808
    Abstract: A method for distributing geographical restriction data in an internet protocol television (IPTV) system is disclosed. The method includes accepting at an IPTV server, a request from an IPTV client for the geographical restriction data related to geographically restricted video data, determining at the server, a plurality of geographic restriction zones for the geographically restricted video data and sending from the server to the client a message containing the restriction data related to at least one of the restriction zones.
    Type: Grant
    Filed: August 1, 2006
    Date of Patent: August 10, 2010
    Assignee: ATT Knowledge Ventures, L.P.
    Inventors: Richard G. Jankins, Thomas Scott Webster, Eric Cabading
  • Patent number: 7739561
    Abstract: A method is disclosed for monitoring a communication link between a first apparatus and a second apparatus, the method comprising receiving concurrently from the first apparatus (e.g., a central office) at the second apparatus (e.g., an optical demarcation point at a customer premises) a communication signal at a communication wavelength, ?1 and a test signal at a test wavelength ?t, permanently separating the test signal from the communication signal at the second apparatus and sending to the first apparatus on a return path between the first apparatus and the second apparatus a signal indicating whether the test signal was received at the second apparatus. An apparatus is disclosed including an interface for receiving concurrently the communication signal and the test signal, a filter for permanently separating the test signal from the communication signal and a coupler for permanently placing a signal on a return path.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: June 15, 2010
    Assignee: AT&T Intellectual Property 1, L.P.
    Inventors: Patricia R. Matteson, Jorey M. Pascasio, Jr., Renne G. Pascasio, legal representative
  • Patent number: 7694734
    Abstract: A method and apparatus are provided for insulating electrical connections to a resonator from fluid downhole under extreme pressure and temperature conditions downhole. The method and apparatus provide a pliable insulator that maintains electrical isolation between a resonator electrical connection during exposure to high pressures downhole. The insulator is substantially chemically non reactive so that the insulator maintains electrical isolation between the resonator electrical connections during exposure to fluids downhole. The insulator has a thermal coefficient of expansion in a range so that the insulator maintains electrical isolation between the resonator electrical connections during exposure to high temperatures downhole.
    Type: Grant
    Filed: October 31, 2005
    Date of Patent: April 13, 2010
    Assignee: Baker Hughes Incorporated
    Inventors: Rocco DiFoggio, Christopher J. Powell, Peter W. Reittinger, Louis Perez, Jr., Srdjan Stankovic, Paul Bergren
  • Patent number: 7647965
    Abstract: A method and apparatus are provided for insulating electrical connections to a resonator from fluid downhole under extreme pressure and temperature conditions downhole. The method and apparatus provide a pliable insulator that maintains electrical isolation between resonator electrical connections during exposure to high pressures downhole. The insulator is evacuated or placed in a vacuum prior to curing to remove bubbles from the insulator material. The insulator is then heat cured. The insulator is substantially chemically non reactive so that the insulator maintains electrical isolation between the resonator electrical connections during exposure to fluids downhole. The insulator has a thermal coefficient of expansion in a range so that the insulator maintains electrical isolation between the resonator electrical connections during exposure to high temperatures downhole.
    Type: Grant
    Filed: July 25, 2006
    Date of Patent: January 19, 2010
    Assignee: Baker Hughes Incorporated
    Inventors: Christopher J. Powell, Louis Perez, Jr.
  • Patent number: 7640301
    Abstract: A computerized system and method for distributing video conference data over an internet protocol television (IPTV) system are disclosed including structures and methods for allocating an IPTV video conference channel to groups of video conference participants' set top boxes (STBs), accessing STB data at the server indicating a group of video conference participants' STBs in the groups of video conference participants' STBs, the group of STBs being associated with one video conference data, mapping at the server, the video conference channel to the group of video conference participants' STBs and to one IP address for the one of the video conferences data, and delivering from the server over the video conference channel from a first one of the of IP addresses, the first one of the video conferences data to the first group of video conference participants' STBs.
    Type: Grant
    Filed: April 6, 2006
    Date of Patent: December 29, 2009
    Assignee: ATT Knowledge Ventures, L.P.
    Inventor: Edward A. Walter
  • Patent number: 7639792
    Abstract: In a particular embodiment a system and method for processing a call in a Voice over internet protocol (VoIP) network are disclosed. The method includes receiving the call associated with a private identifier (PRID) at a server, classifying a call location based on the PRID and sending the call from the server to a Public Safety Answering Point (PSAP) with a call back number associated with the PRID. The system includes a first server interface for receiving a message containing a PRID associated with the call, a second server interface to access the data base for searching for the PRID in the data structure; a third server interface to receive an output from the database indicating whether a PRID has been found in the data structure; and a fourth server interface to send the call to a PSAP.
    Type: Grant
    Filed: November 23, 2005
    Date of Patent: December 29, 2009
    Assignee: ATT Knowledge Ventures, L.P.
    Inventors: Chaoxin Qiu, Richard L. Khan, Robert F. Dailey, Keith Joseph Allen, Geoffrey R. Zampiello
  • Patent number: 7601950
    Abstract: A method for measuring optical properties of a fluid downhole, the method comprising measuring intensity of light interacting with the fluid downhole for each of one or more wavelengths; integrating each intensity of light for each wavelength for an integration time; and estimating the optical property from a difference between a starting value and an ending value for the integral of the intensity of light over time divided by the integration time for the wavelength. An apparatus is disclosed for measuring an optical property of a fluid downhole, the apparatus comprising one or more photodiodes that measure an intensity of light interacting with the fluid downhole for each of one or more wavelengths; and one or more integration circuits that each integrates an intensity of light for one wavelength for an integration time.
    Type: Grant
    Filed: September 25, 2007
    Date of Patent: October 13, 2009
    Assignee: Baker Hughes Incorporated
    Inventors: Tobias Kischkat, Stefen Sroka, Peter Schaefer
  • Patent number: 7595876
    Abstract: A method for estimating a property of a fluid downhole is disclosed, the method including but not limited to exposing the fluid to light downhole; directing different wavelengths of light that have interacted with the fluid light toward a first optical grating; measuring light at different wavelengths reflected from the first optical grating; and estimating a property of the fluid from the measured light. An apparatus for estimating a property of a fluid downhole is disclosed, the apparatus including but not limited to a downhole tool for estimating a property of a fluid downhole, including but not limited to a light source that illuminates the fluid downhole; a first optical grating having a plurality of elements that selectively light that have interacted with the fluid; and a sensor that measures the light reflected from the first optical grating elements.
    Type: Grant
    Filed: March 20, 2007
    Date of Patent: September 29, 2009
    Assignee: Baker Hughes Incorporated
    Inventor: Rocco DiFoggio
  • Patent number: 7576856
    Abstract: A method and apparatus are provided for determining a property of a fluid downhole by using a tunable optical grating to collect a fluid's spectrum over a wavelength region of interest. A property of the fluid is estimated from spectra that are obtained from light that has interacted with the fluid and then been reflected off of the tunable optical grating onto a photodetector.
    Type: Grant
    Filed: January 11, 2006
    Date of Patent: August 18, 2009
    Assignee: Baker Hughes Incorporated
    Inventor: Rocco DiFoggio
  • Patent number: 7511819
    Abstract: The present invention provides an apparatus and method for high resolution spectroscopy using a narrow light beam source such as a superluminescent diode (SLD) and a tunable optical filter (TOF) for analyzing a formation fluid sample downhole and at the surface to determine formation fluid parameters. The SLD and TOF have a matching etendue. The analysis comprises determination of gas oil ratio, API gravity and various other fluid parameters which can be estimated after developing correlations to a training set of samples using a neural network or a chemometric equation.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: March 31, 2009
    Assignee: Baker Hughes Incorporated
    Inventor: Rocco DiFoggio
  • Patent number: 7497256
    Abstract: In one embodiment an apparatus is disclosed that includes a tool in a wellbore. A probe is extendable from the tool to contact a wall of a formation surrounding the wellbore. A tube substantially surrounds the probe wherein the tube is extendable into the formation surrounding the wellbore. In another embodiment a method for reducing contamination of a sample of a formation fluid is disclosed that includes extending a probe to contact a wall of a formation. A barrier tube that substantially surrounds the probe is extended into the formation thereby restricting a flow of a contaminated reservoir fluid that would otherwise come from near-wellbore regions above and below the probe from going toward the probe.
    Type: Grant
    Filed: June 9, 2006
    Date of Patent: March 3, 2009
    Assignee: Baker Hughes Incorporated
    Inventors: Rocco DiFoggio, Leroy W. Ledgerwood, III
  • Patent number: 7421892
    Abstract: A method and apparatus for estimating a property of a fluid downhole are disclosed. The apparatus includes a coated flexural resonator disposed in the downhole fluid. The resonator is coated to reduce effects of adhering surfactants suspended in the downhole fluid. The method uses the coated resonator to estimate a property of the downhole fluid.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: September 9, 2008
    Assignee: Baker Hughes Incorporated
    Inventors: Rocco DiFoggio, Peter W. Reittinger
  • Patent number: 7373813
    Abstract: In a particular embodiment, a method is disclosed for determining a source of a fluid downhole. The method includes deploying an ion selective sensor downhole, exposing the fluid to the ion selective sensor downhole, measuring an ion concentration at different places within the fluid and using that information to identify a source of the fluid from the ion concentration profile. In another particular embodiment, an apparatus is disclosed for estimating a source of a fluid. The apparatus contains a tool deployed in a well bore, an ion selective sensor in the tool, a processor in communication with the ion selective sensor and a memory for storing an output from the ion selective sensor.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: May 20, 2008
    Assignee: Baker Hughes Incorporated
    Inventor: Rocco DiFoggio
  • Patent number: 7310135
    Abstract: A system and method are disclosed for monitoring a fiber optic network between a managed location and a remote location. In a particular embodiment of the method the monitoring wavelength signal is separated from the communication wavelength signal at the remote location and coupled on to the optical fiber carrying a communication wavelength signal from the remote location. In a particular embodiment of the system, the system includes a first optical filter for coupling a selected monitoring wavelength signal on to an optical fiber carrying a communication wavelength signal between the managed location and the remote location and a second optical filter at the managed location for recovering a permanently separated monitoring wavelength signal sent to the managed location from the remote location.
    Type: Grant
    Filed: November 23, 2005
    Date of Patent: December 18, 2007
    Assignee: ATT Knowledge Ventures, L.P.
    Inventor: Philip Henry Wisseman