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Communications, electrical: acoustic wave systems and devices February patent applications/inventions, industry category 02/10

20100046324 - Complex analysis of kinematics for non-hyperbolic moveout corrections: A computer-implemented method for processing data includes receiving a collection of traces corresponding to signals received over time at multiple locations due to reflection of seismic waves from subsurface structures. A measure of correlation among the traces as is computed a function of a set of wavefront parameters, which determine... Agent: D. Kligler I.p. Services Ltd

20100046326 - Method and apparatus for detection and classification of a swimming object: A method and apparatus for detecting and classifying submerged swimming object from a passive signal generated by, and an active signal reflected from the object. In a first input of a passive mode branch a first signal representative of the passive signal is received. A second signal representative of the... Agent: Young & Thompson

20100046325 - Sodar sounding of the lower atmoshere: A monstatic sodar system using long chirps and send-while-listening techniques employs transmitter-receiver pairs (Tw, Rw; Tv, Rv; Te, Re) that have coincident main lobes (Twm, Rwm; Tvm, Rvm; Tem, Rem). The system uses digital time domain matched filters and frequency modulated or digitally modulated (eg, BPSK) chirps. Digital frequency domain... Agent: Hovey Williams LLP

20100046327 - Methods and systems to detect changes in multiple-frequency band sonar data: Methods and systems to detect changes in a region of space relative to baseline measurements, including to process data to detect potential objects, or contacts against a natural background environment, to characterize and geo-register the contacts, to compare and correlate the contacts with a database of known objects, and to... Agent: The Johns Hopkins Universityapplied Physics Labora Office Of Patent Counsel

20100039888 - Estimating and correcting perturbations on seismic particle motion sensors employing seismic source signals: A computer-implemented method includes accessing a set of multicomponent marine noise data exhibiting a plurality of polarization vectors at each of a plurality of co-located pressure and particle motion data points on a marine seismic survey apparatus; and determining a set of perturbation noise data for the marine seismic survey... Agent: Westerngeco L.L.C. Kevin Mcenaney

20100039889 - Mounting a seismic sensor in a cable: An apparatus includes a cable; and a gel-based filler material, seismic sensors that are disposed in the cable. The seismic sensors are suspended in pockets, and each pocket contains a material that has a shear stiffness that is less than a shear stiffness of the gel-based filler material to attenuate... Agent: Westerngeco L.L.C. Kevin Mcenaney

20100039890 - Seismic data acquisition assembly: A seismic data acquisition assembly includes a cable; seismic sensors that are disposed along the cable; and a filler material inside the cable. The filler includes a hydrocarbon-based liquid and an agent to cause the filler material to have a rheological property that is substantially different than a corresponding rheological... Agent: Westerngeco L.L.C. Kevin Mcenaney

20100039891 - Attenuating seismic interference noise using a dual sensor recording system: A method for attenuating noise in marine seismic signals includes cross ghosting pressure responsive marine seismic signals and contemporaneously acquired motion responsive marine seismic signals. A difference is determined between the cross ghosted signals. The difference is used to attenuate noise in at least one of the pressure responsive signals... Agent: E. Eugene Thigpen Petroleum Geo-services, Inc.

20100039892 - Apparatus for seismic data acquisition: A seismic exploration method and unit comprised of continuous recording, self-contained wireless seismometer units or pods. The self-contained unit may include a tilt meter, a compass and a mechanically gimbaled clock platform. Upon retrieval, seismic data recorded by the unit can be extracted and the unit can be charged, tested,... Agent: HoustonIPDepartment Jackson Walker L.L.P.

20100039893 - Method for seismic monitoring of a formation hydraulic fracturing: A second method is carried out by using a sharp difference of temporal sequences of a pressure pulse generated in the well and microearthquakes produced around a crack and consists in processing data received from seismic receivers in such a way that a signal similar to the well pressure pulse... Agent: Schlumberger-doll Research Attn: Intellectual Property Law Department

20100039894 - Method for separating independent simultaneous sources: This is a method of separating simultaneous sources that uses an inversion-type approach. Each source will preferably activated at a random time with respect to the others. These random delays tend to make the interference between sources incoherent while the reflections create coherent events within a series of shots. The... Agent: Carol Wilson Bp America Inc.

20100039895 - Methods and systems for detecting changes in a fluid reservoir: Methods and systems for detecting changes of a fluid in a subterranean reservoir, wherein at several points in time, data are collected with the aid of a passive method in which low-frequency acoustic signals are passively measured by means of acoustic sensors. Changes in the fluid can be monitored in... Agent: Joseph A. Mohr Kolisch Hartwell, P.C.

20100039896 - Subterranean survey communication system and technique: A technique includes acquiring data, which is indicative of operations that are being conducted in connection with a subterranean survey. The technique includes communicating the data in real time over a long range communication network to allow at least one remote user to remotely observe the operations.... Agent: Westerngeco L.L.C. Kevin Mcenaney

20100039897 - Reducing a number of required channels for seismic sensors: To reduce a number of required channels for a survey system having seismic sensors, the seismic sensors are partitioned into groups of corresponding seismic sensors. An aggregation unit applies different transformations of signals of the seismic sensors within a particular one of the groups. The differently transformed signals within the... Agent: Westerngeco L.L.C. Kevin Mcenaney

20100039898 - Acoustic telemetry system using passband equalization: An embodiment includes a method comprising receiving an acoustic signal that is modulated along a jointed tubing. The method also includes performing equalization over a passband of the acoustic signal to generate an equalized signal.... Agent: Schwegman, Lundberg & Woessner, P.A.

20100039899 - System and method of range estimation: A system and method of range estimation are disclosed. In one embodiment, the method comprises transmitting beams through a medium towards a surface, receiving reflected signals from the surface, and estimating range to the surfaced based on the reflected signals and an estimate of sidelobe coupling of the beams.... Agent: Knobbe Martens Olson & Bear LLP

20100039900 - Volumetric displacement transducer for an underwater acoustic source: A volumetric displacement transducer is provided for generating acoustic signals. The transducer housing incorporates at least one pair of opposed plates mounted for radial vibration. A driving mechanism is coupled to the opposed plates for driving the plates simultaneously in opposition to each other at a desired frequency, whereby an... Agent: Weingarten, Schurgin, Gagnebin & Lebovici LLP

20100034051 - Ocean bottom seismic station: Methods and apparatus for cable termination and sensor integration at a sensor station within an ocean bottom seismic (OBS) cable array are disclosed. The sensor stations include a housing for various sensor components. Additionally, the sensor stations can accommodate an excess length of any data transmission members which may not... Agent: Patterson & Sheridan, L.L.P.

20100034052 - Anisotropy measurement while drilling: Methods and apparatus facilitating measurement of anisotropy are disclosed. According to some aspects, anisotropy can be determined while drilling. Monopole/quadrupole interactions, as well as monitoring dipole excitations and other methods, may be used to find the principal shear directions of a formation while drilling or during wireline or other operations.... Agent: Schlumberger-doll Research Attn: Intellectual Property Law Department

20100034053 - Autonomous seismic data acquisition unit: A method, apparatus and system for acquiring land seismic data includes acquiring seismic data with a first autonomous seismic data acquisition unit and a second autonomous seismic data acquisition unit wherein each acquisition unit comprises a plurality of digitally controlled temperature-compensated crystal oscillators. Oscillator-based timing signals are acquired that are... Agent: Storm LLP

20100034054 - Enviromentally assisted processor in sonar: An environmentally assisted processor that includes an environmental characterization module, an echo prediction module and an acoustic consistency module. The environmental characterization module obtains surrounding environmental characteristics, and provides inputs of the surrounding environmental characteristics to the echo prediction module. The echo prediction module utilizes the surrounding environmental characteristics to... Agent: Department Of The Navy (naval Air Warfare Center -aircraft Division)

20100027374 - Methods and systems for efficiently acquiring towed streamer seismic surveys: Methods and systems for efficiently acquiring towed streamer marine seismic data are described. One method and system comprises positioning a plurality of source-only tow vessels and one or more source-streamer tow vessels to acquire a wide- and/or full-azimuth seismic survey without need for the spread to repeat a path once... Agent: Westerngeco L.L.C. Kevin Mcenaney

20100027375 - Method of summing dual-sensor towed streamer signals using seismic reflection velocities: A merged particle velocity signal is generated by merging a recorded vertical particle velocity signal, scaled in an upper frequency range using a time-dependent arrival angle as determined by velocity analysis, with a simulated particle velocity signal, calculated in a lower frequency range from a recorded pressure signal using a... Agent: E. Eugene Thigpen Petroleum Geo-services, Inc.

20100027376 - Optimizing seismic processing and amplitude inversion utilizing statistical comparisons of seismic to well control data: A method for obtaining enhanced seismic data and optimized inverted reflectivities includes computing statistical well characterizations based upon band-limited well reflectivities for a subsurface region. Sets of processed seismic data are computed by applying differing processing sequences to seismic data corresponding to the subsurface region. Inverted reflectivities are computed by... Agent: Chevron Corporation

20100027377 - Locating oil or gas actively by exciting a porous oil and gas saturated system to give off its characteristic resonance response, with optional differentiation of oil, gas and water: This patent deals with methods to selectively excite and analyze the resonance phenomena existing in an enclosed oil, gas and or water reservoir, thereby locating its presence, by doing qualitative and quantitative estimates of its extent via forward modeling. The oil, gas or water reservoir is represented as a fluid... Agent: Georeis

20100027378 - Methods for detecting humans: A method of detecting a human, that includes (a) measuring the ultrasonic signal emitted from human footsteps; (b) measuring the human body motion Doppler signature; reviewing the measurements of steps (a) and (b); and (d) determining the presence of a human.... Agent: Stites & Harbison PLLC

20100027379 - Ultrasonic through-wall communication (utwc) system: Apparatus for communicating information across a solid wall has one or two outside ultrasonic transducers coupled to an outside surface of the wall and connected to a carrier generator for sending an ultrasonic carrier signal into the wall and for receiving an output information signal from the wall. One or... Agent: Notaro & Michalos P.C.

20100027380 - Sensor unit having a directional aperture: A casing of a sensor unit has a directional aperture, structure or sail. The sensor is used in a distributed system for measuring, processing and displaying information from a plurality of sensors comprises a plurality of sensor units. A method for quick detection of offenders of oil, gas or other... Agent: Joseph Samuelson