Communications, electrical: acoustic wave systems and devices inventions

20080291778 - Stabilized streamer connection system: A connection system for connecting external devices to a streamer. The connection system comprises three outer collars maintained collinearly aligned by a stabilizing member, such as a lightweight, rigid tube, attached to each outer collar. The tube extends parallel to the bores of the outer collars. The forward and aft... Agent: Laitram, L.L.C. Legal Department

20080291779 - Marine seismic acquisition system: A marine cable for seismic surveys is described with a plurality of ceramic pressure sensors (901-904) arranged in groups of at least two pressure sensors with a group output being representative of the vertical pressure gradient at the group location, and an inclinometric system including one or more transducers for... Agent: Schlumberger-doll Research Attn: Intellectual Property Law Department

20080291780 - Methods and systems for processing acoustic waveform data: Methods and systems for taking acoustic measurements related to subterranean formations. The methods and systems provide extracting a portion of the acoustic measurements based on predetermined parameters for selecting reflected arrival waves in the acoustic measurements; generating time projection of the extracted acoustic measurements versus borehole depth; and generating an... Agent: Schlumberger K.k.

20080291781 - Process and program for characterising evolution of an oil reservoir over time: the time-corresponding point i′ being shifted in time by a time-shift derived from the velocity changes along the propagation path from the surface to time-corresponding point i′. This sum is minimized to characterize the evolution of the hydrocarbon reservoir and derive the velocity changes from the base survey to the... Agent: Marsh, Fischmann & Breyfogle LLP

20080291783 - Seismic data acquisition: A seismic system uses a plurality of remote acquisition units in each of which geophone signals in digital form are temporarily stored in a buffer for near-real-time transmission by a transmitter. The whole of the digital data is also stored in a bulk store within the acquisition unit, from which... Agent: Drinker Biddle & Reath Attn: Intellectual Property Group

20080291782 - Stacked receivers for microseismic monitoring: An apparatus comprising a stacked node configured to be positioned within a subterranean opening and comprising a plurality of separate receivers oriented end-to-end and each configured to independently detect subterranean activity, and a transmission medium configured to transmit data from the stacked node, wherein the data is representative of subterranean... Agent: Haynes And Boone, LLP

20080291784 - Acoustic wave sensor: In an acoustic wave sensor for detecting a distance to an object and an orientation where the object is located with using acoustic waves, an acoustic wave generating device generating an acoustic wave by applying thermal impact to the air with no mechanical vibration is used as a wave transmitting... Agent: Greenblum & Bernstein, P.L.C

20080285379 - Apparatus and method for collecting geophysical information: An apparatus for collecting geophysical information may include a geophysical information station disposed along a seismic communication cable. A bypass circuit responsive to a command signal is in communication with a switching circuit that is operable to route electrical power, commands, data or a combination to bypass the geophysical information... Agent: Edmonds, P.C.

20080285380 - Seismic streamer with irregularly spaced hydrophones: A seismic streamer and a method for positioning a group of hydrophones in a seismic streamer. The hydrophones in a group are spaced irregularly along the length of the streamer to reduce the influence of bulge-wave noise and flow noise on the hydrophone group response. The irregular spacing may be... Agent: Laitram, L.L.C. Legal Department

20080285381 - Methods for efficiently acquiring wide-azimuth towed streamer seismic data: A technique for use in marine seismic surveying includes a method and an apparatus. In one aspect, the method includes towing a seismic spread including a source multiple streamers on a generally curved advancing path, the streamers being actively steered. The source is fired and data is acquired on the... Agent: Westerngeco L.L.C. Jeffrey E. Griffin

20080285382 - Methods and systems for detecting arrivals of interest: Methods and systems for taking measurements related to subterranean formations. The methods and systems provide robust, reliable first arrival data for component signals of interest, which may be used to estimate formation slowness, characterize formation slowness zones, or act as an input to other processes. The methods and systems are... Agent: Schlumberger K.k.

20080285383 - System and method for processing seismic data for interpretation: A method is provided for processing seismic data for interpretation. The method includes recording an original seismic data trace, decomposing the original seismic data trace into a set of predefined wavelets, and reconstructing a seismic data trace from, at least a subset of, the set of wavelets.... Agent: Alberto Q. Amatong, Jr.

20080285384 - System and method for displaying seismic horizons with attributes: A system and method may, based on a 3D seismic data set seed point, execute a seed picking algorithm, using the first point for picking a set of second points from the data set, setting each of the points in the set of second points as the first point and... Agent: Pearl Cohen Zedek Latzer, LLP

20080285385 - Methods and systems for seismic event detection: The invention is directed to a system for detecting seismic waves. The system has one or more sensor modules. Each sensor module has a detection unit, a positioning module, a digitizer, a radio transmitter, and a power supply. The system also includes a communications interface including a receiver, a data... Agent: Baker Botts LLP C/o Intellectual Property Department

20080285386 - Training for directional detection: Acoustic telemetry devices and methods that provide directional detection. In one embodiment, a disclosed acoustic telemetry device comprises at least two acoustic sensors and an electronics module. The electronics module combines the detection signals from the acoustic sensors to obtain a combined signal that substantially excludes signals propagating in a... Agent: Krueger Iselin LLP (1391)

20080285387 - Staged sodar sounding: A monostatic sodar system (10) for atmospheric sounding includes a processor and display unit (12) that generates a set of acoustic chirps for transmission by transmitter 20. Discontinuities (22, 24 and 26) result in echoes (28, 30 and 32) being returned to a receiver (38) of system (10). Receiver (38)... Agent: Hovey Williams LLP

20080285388 - Control device for electronic appliance and control method of the electronic appliance: An electronic appliance includes a microphone which detects a clapping sound, an edge signal extractor, an edge pulse generator and a judgment processing circuit. The judgment processing circuit generates a first gate having a first time width to detect whether or not a second clapping sound has been generated after... Agent: Nath & Associates

20080279042 - Active steering for marine sources: A seismic survey system includes a winch having a winch cable coupleable to a source array towable between two deflected lead-ins, a positioning system for determining a current position of the source array and a controller for adjusting the winch to modify the current position of the source array to... Agent: Westerngeco L.L.C. Jeffrey E. Griffin

20080279043 - Method of seismic processing of the type comprising depth migration before addition: the downgoing (resp. upgoing) composite waves being calculated by a linear combination of downgoing (resp. upgoing) waves in which said downgoing (resp. upgoing) waves are weighted by the coefficients of a spatial modulation matrix which is a function of the positions of the shotpoints.... Agent: David M. Ostfeld Adams And Reese, LLP

20080279045 - Apparatus, systems and methods for determining position of marine seismic acoustic receivers: Apparatus, systems and methods for calculating position of marine seismic acoustic receivers, and for estimating sound velocity profile of a fluid, are disclosed. One position calculation system includes a vessel, two or more vessel hull-mounted transmitters, a plurality of acoustic receivers on a cable being deployed from the vessel into... Agent: Westerngeco L.L.C. Jeffrey E. Griffin

20080279044 - Ultrasonic ranging in the near zone: An ultrasonic ranging device for ultrasonic ranging in the near zone. The device may include a transducer for generating an ultrasonic signal and for detecting an echo signal. The device may also include a processor for calculating the distance to a target object based on a first time period defined... Agent: Fox Rothschild LLP

20080279046 - Acoustic location of gunshots using combined angle of arrival and time of arrival measurements: A gunshot location system computes candidate gunshot locations [314] from angle-of-arrival information [304, 308] and time-of-arrival information [312] provided by acoustic sensors [300, 302]. In addition to an angle, each sensor calculates an angular uncertainty [306, 310] from impulses received at four or more microphones having rotational symmetry. An intersection... Agent: Dla Piper US LLP

20080279047 - System and method for underwater wireless communication: An underwater wireless communication system and method includes a sensor node for transforming measured underwater data into ultrasound signals, and transmitting the transformed ultrasound signals and receiving other ultrasound signals.... Agent: Brinks Hofer Gilson & Lione

20080273421 - Model-based time-preserving tomography: A system and method for modeling seismic data using time preserving tomography including storing an initial set of parameter values representing an initial seismic data model. The initial seismic model may correspond to at least two or more ray pairs. Each ray pair may have a traveltime. An altered model... Agent: Pearl Cohen Zedek Latzer, LLP

20080273423 - Method and apparatus for fault-tolerant, correlation sonar processing: A system is disclosed that enables the use of an incomplete SONAR array matrix in a correlation SONAR system. An improvement is achieved through the generation of a correlation-array model matrix of hydrophone correlations, based on an independent estimate of the ship's velocity, such as from an inertial navigator. Meanwhile,... Agent: Lockheed Martin C/o Demont & Breyer, LLC

20080273422 - Method for characterizing shear wave formation anisotropy: A method of characterizing shear wave anisotropy in a formation includes obtaining crossed-dipole waveforms from a borehole penetrating the formation over a range of depths and frequencies, determining far-field slowness in a fast-shear and slow-shear direction using a low-frequency portion of the crossed-dipole waveforms, and determining near-wellbore slowness in the... Agent: Osha . Liang L.L.P. / Slb

20080273424 - Monitoring or imaging system with interconnect structure for large area sensor array: An ultrasonic monitoring system is formed with a probe unit. In one example an array of transducer cells is arranged in rows and columns formed along a first plane with a first pitch along a first direction. An integrated circuit including an array of circuit cells is formed along a... Agent: General Electric Company Global Research