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Communications, electrical: acoustic wave systems and devices January USPTO class listing 01/08

20080025145 - Ultrasound imaging probe featuring wide field of view: According to an embodiment of the present disclosure, a wide field of view ultrasound imaging probe (12) includes two flat matrix array subassemblies (40,42) positioned at an angle to each other within the probe (12). Information from each array subassembly (40,42) is combined for producing data corresponding to a wide-angle... Agent: Philips Intellectual Property & Standards

20080025146 - Methods and systems for determining orientation of seismic cable apparatus: Methods and systems for estimating one or more orientation parameters of a seismic apparatus are described. One method comprises initiating an acoustic signal from an acoustic transmitter in a marine seismic spread comprising a streamer, the streamer having at least two nodes separated by a fixed distance; measuring a first... Agent: Westerngeco L.L.C.

20080025147 - Processing of seismic data acquired using over/under streamers and/or over/under sources: Implementations of various techniques for processing seismic data acquired by three or more over/under streamers. In one implementation, the seismic data may be processed by grouping the seismic data into one or more sets of seismic data based on all possible pairs of the three or more over/under streamers, wherein... Agent: Jeffrey E. Griffin Westerngeco, L.L.C.

20080025148 - Dynamic efficiency optimization of piezoelectric actuator: This invention applies to the means whereby capacitance changes due to varying temperature and/or pressure in a piezoelectric transducer used for acoustic telemetry in a drilling environment is dynamically offset by modifying one or more parameters associated with the drive or control circuitry of said transducer. The object of the... Agent: Klarquist Sparkman, LLP

20080025149 - Transducer transom adapter: An apparatus for releasably attaching a sonar transducer to a transom, the apparatus comprised of: a first support member; a second support member, a portion of which forms a U-shaped portion that is adapted to engage the transom; a length adjustment mechanism that allows for vertical translation of the first... Agent: Absolute Technology Law Group LLC

20080019214 - Seismic source and source array having depth-control and steering capability: A marine seismic energy source includes a seismic tow cable configured to be towed by a vessel from one end and at least one seismic source coupled proximate another end of the tow cable. The at least one seismic source is associated with a depth controller. The depth controller is... Agent: E. Eugene Thigpen Petroleum Geo-services, Inc.

20080019215 - Seismic data acquisition and source-side derivatives generation and application: The technologies described herein include systems and methods for encoding/decoding seismic sources and responses, generating and using of source-side derivatives while also generating and using the conventional source response. Sources in an array may be encoded such that activation of each source in the array constitutes a single spike in... Agent: Westerngeco L.L.C.

20080019216 - Method of generating directional low frequency acoustic signals and reflected signal detection enhancements for seismic while drilling applications: The present invention provides a method and apparatus for using an acoustic logging tool conveyed in a borehole in an earth formation for determining a characteristic of the formation. The method comprises using a first acoustic source for generating an acoustic signal in the earth formation at a first frequency.... Agent: Madan, Mossman & Sriram, P.C.

20080019217 - Sonar transducer: A sonar transducer mounted on a probe inserted in a vessel or container emits a sonar wave for measuring the level of fluid interfaces within the vessel or container. The sonar transducer includes a housing closed by a diaphragm at one end. A piezoelectric crystal located within the housing is... Agent: Nick A Nichols

20080013404 - Networked sonar observation of selected seabed environments: A sonar transducer network for observing a seabed includes a controller. A first transducer assembly includes a first acoustic transducer to convert a first ping to a first electrical signal; and a first transducer processor to receive a first electrical signal from the first acoustic transducer to generate the first... Agent: Black Lowe & Graham, PLLC

20080013405 - Ultrasonic transducer for ranging measurement with high directionality using parametric transmitting array in air and a method for manufacturing same: A multiple resonances type ultrasonic transducer for a ranging measurement with high directionality using a parametric transmitting array in air, includes an ultrasonic actuator unit formed with a regularly mixing array of first unit actuators having a resonance frequency of f1 and second unit actuators having a resonance frequency of... Agent: Bacon & Thomas, PLLC

20080013403 - Telemetry transmitter optimization using time domain reflectometry: A method for enhancing downhole telemetry performance comprising enhancing a signal in order to offset signal-to-noise ratio reduction with increasing measured depth, wherein the signal is modified at specified measured depths which are inferred from acoustic wave velocity determination.... Agent: Klarquist Sparkman, LLP

20080008030 - Voltage leakage detection for serially connected electrical nodes in a seismic surveying system: A seismic survey apparatus includes a plurality of serially connected electrical nodes; a power supply capable of supplying power to the electrical nodes and detecting a voltage leakage among the electrical nodes; and a software component capable of locating the leakage upon its detection. A method for use in seismic... Agent: Jeffrey E. Griffin Western Geco, L.L.C.

20080008033 - Method and system for controlling the position of marine seismic streamers: A method and control device for controlling the position of a marine seismic streamer spread and the ability for controlling individual marine seismic streamers both in shape and position relative to other marine seismic streamers and thereby counter effects from crosscurrent or other dynamic forces in a towed spread behind... Agent: Dennison, Schultz & Macdonald

20080008032 - Underwater acoustic positioning methods and systems based on modulated acoustic signals: Methods and systems for moving seismic streamer steering devices to target positions are disclosed. One method comprises calculating forces required to steer one or more seismic streamer steering devices in a seismic spread to target positions, the calculated forces based wholly or in part on information in modulated underwater acoustic... Agent: Westerngeco L.L.C.

20080008034 - Marine seismic survey streamer configuration for reducing towing noise: A seismic streamer includes a jacket covering an exterior of the streamer. At least one strength member extends along the length of the jacket. The strength member is disposed inside the jacket. At least one seismic sensor is disposed in an interior of the jacket. A plurality of spacers is... Agent: E. Eugene Thigpen Petroleum Geo-services, Inc.

20080008038 - Method and apparatus for estimating a seismic source signature: The present invention provides a method and apparatus for marine seismic data acquisition. The method may include determining a seismic source signature based on a pressure wave field and at least one component of particle motion measured by at least one seismic sensor while in tow.... Agent: Jeffrey E. Griffin Westerngeco, L.L.C.

20080008036 - Wide tow enabled by multicomponent marine seismic cable: A technique for use in towed-array, marine seismic surveys includes a method and an apparatus. The method includes accessing a set of multicomponent seismic data acquired in a wide tow, marine seismic survey; and interpolating a set of seismic data from the acquired seismic data in the crossline direction such... Agent: Westerngeco L.L.C.

20080008039 - Seismic data processing: Implementations of various technologies for processing seismic data. In one implementation, the seismic data may be processed by creating a fictitious source-receiver line connecting a source with a receiver location of interest, projecting one or more receiver locations adjacent the receiver location of interest onto the fictitious source-receiver line and... Agent: Westerngeco L.L.C.

20080008040 - Seismic acquisition system: Various technologies for a seismic acquisition system, which may include an acquisition central system configured to determine a desired start time for a sweep cycle in one or more vibrators and a recorder source system controller in communication with the acquisition central system. The recorder source system controller may be... Agent: Westemgeco, L.L.C. Intellectual Property Department

20080008041 - Short circuit protection for serially connected nodes in a hdyrocarbon exploration or production electrical system: A technique for providing short circuit protection in electrical systems used in hydrocarbon exploration and production and, more particularly, for such electrical systems comprising serially connected nodes, includes an apparatus and method. The apparatus, includes a power supply and a plurality of electrically serially connected application sensors downstream from the... Agent: Jeffrey E. Griffin Western Geco, L.L.C.

20080008042 - Depth sounding by acoustic pingers in a seismic spread: An embodiment of a method for conducting a bathymetric survey across a seismic spread includes the steps of emitting a signal from a pinger positioned within the seismic spread, measuring the arrival time of a bottom reflection of the signal at a receiver positioned within the seismic spread, measuring the... Agent: Westerngeco L.L.C.

20080008031 - Optical methods and systems in marine seismic surveying: Methods and systems for determining position of marine seismic spread components are disclosed. One method comprises exposing an underwater marine seismic spread component to an optical device, and calculating geometry of the spread component using at least some of the data obtained by the optical device, for example travel time... Agent: Westerngeco L.L.C.

20080008035 - System and method for csem exploration in polar regions: There is provided herein a system and method of collecting, EM data in the context(s) of hydrocarbon exploration, appraisal, development, and surveillance, which provides improved ground coupling between the electrodes and the earth or surface ice and, as a consequence, a higher quality transmitted and received signal is obtained thereby.... Agent: Fellers Snider Blankenship Bailey & Tippens

20080008037 - Acoustic propagation velocity modeling methods, apparatus and systems: Methods, apparatus, and systems for accurately estimating acoustic propagation velocity are described. One method comprises deploying in a marine environment a towed seismic spread comprising a plurality of acoustic positioning transmitters and a plurality of positioning point receivers, and using travel times for signals between at least some of the... Agent: Westerngeco L.L.C.

20080008043 - Method for determining a position of an object: A method for determining a mutual distance between two objects in a pipeline. The method includes the steps of: providing a pipeline which is filled with a medium having an acoustic impedance different from that of the material of the pipeline and/or a medium present outside the pipeline; providing each... Agent: Young & Thompson

20080008044 - Mobile acoustic event detection, recognition and location system: A system for detecting acoustic events comprising a wearable sensor comprising: a microprocessor; a microphone communicating with the microprocessor; a GPS module; a wireless network system; and a display screen; wherein: the microphone is in communication with the microprocessor allowing the microprocessor to detect the acoustic event; the GPS functions... Agent: Paul S Madan Madan, Mossman & Sriram, PC

20080008045 - System and method for extending gps to divers and underwater vehicles: A navigation system extends satellite navigation to divers, underwater vehicles, and surface vessels. The navigation system comprises a location reference unit and a plurality of sub-surface beacon units. The location reference unit includes a receiver to receive navigation signals from earth-orbiting satellites and/or an inertial navigation system. The location reference... Agent: Coats & Bennett, PLLC

20080008046 - Electroacoustic transducer arrangement for underwater antennas: The invention relates to an electroacoustic transducer arrangement for underwater antennas comprising: interspaced transducer elements (11); a reflector (12) that, in a sound incidence direction, is situated behind the transducer elements (11), with the reflector being comprised of a metal plate (13) facing the transducer elements (11) and of a... Agent: Fitch, Even, Tabin & Flannery

20080008047 - Marine seismic streamer with varying spacer distances for reducing towing noise: A seismic streamer includes a jacket covering an exterior of the streamer. At least one strength member extends along the length of the jacket. The strength member is disposed inside the jacket. At least one seismic sensor is disposed in an interior of the jacket. An acoustically transparent material fills... Agent: E. Eugene Thigpen Petroleum Geo-services, Inc.