Communications, electrical: acoustic wave systems and devices inventions 11/07

20070274155 - Coding and decoding: seismic data modeling, acquisition and processing: P

20070274159 - Obstacle detection device and method for estimating receiving time: An obstacle detection device includes a transmitting portion for sending ultrasonic wave, a plurality of receiving portions provided at different positions and receiving reflected waves of the ultrasonic wave, a plurality of envelope wave acquiring portions for acquiring envelope waves corresponding to the reflected waves, on the basis of the... Agent: Sughrue Mion, PLLC

20070274152 - Gauss-rees parametric ultrawideband system: Gauss-Rees waveform utilization in identifying an object, including: directing a primary acoustic waveform at the object to produce a nonlinear acoustic effect; receiving a secondary wavelet produced by the nonlinear effect; and processing the received secondary wavelet in identifying the object. The object is identified by composition, image, and preferably... Agent: Peter K Trzyna

20070274153 - Fast 3-d surface multiple prediction: A method and apparatus for predicting a plurality of surface multiples for a plurality of traces in a record of seismic data. In one embodiment, the method includes providing a plurality of target traces at a nominal offset and a nominal azimuth; selecting a plurality of pairs of input traces,... Agent: Westerngeco L.L.C.

20070274154 - Apparatus and method for relating graphical representations of data tables: A computer readable storage medium includes executable instructions to receive a selection of two or more data source tables from one or more data sources, determine a data source table that defines keys, and receive mapping information that defines one or more column relationships between the data source table and... Agent: Cooley Godward Kronish LLP Attn: Patent Group

20070274156 - Sound-wave imaging method and apparatus: An ultrasound imaging method including an emission step during which an array of transducers is caused to emit at an ultrasound wave focused in a target medium by causing the excitation wave to pass through a reverberant solid object prior to reaching the target medium.... Agent: Miller, Matthias & Hull

20070274157 - Method for detecting an obstacle in the detection area of a detection device: The invention relates to a method and a device for monitoring a space for the presence of a foreign body. The monitoring device usually comprises at least one transmitter and a first and second receiving device. Conventional methods for evaluating the signals received by the receiving devices only allow for... Agent: Dreiss, Fuhlendorf, Steimle & Becker

20070274158 - Presence detection system for path crossing: A presence detection system for level crossing or to detect a target at the intersection of any paths is described herein. The system comprises an ultrasound sensor array positioned at the intersection of the first and second paths for defining a detecting area thereon and for emitting a first trigger... Agent: Agence De Brevets Fournier

20070268781 - Method for seismic exploration: The invention relates to a method for seismic exploration, comprising the steps of controlling a plurality of sources so that they emit a plurality of seismic waves in a subsurface zone to be explored, each source successively occupying a plurality of emitter positions, producing for each emission a signal representative... Agent: David M Ostfeld Adams And Reese

20070268780 - Water velocity corrections: Various technologies for a method for processing seismic data. In one implementation, the method includes cross-correlating seismic traces having midpoint locations, offsets and azimuths within a predetermined range but from different sequences; and selecting a peak on each cross-correlation. Each peak corresponds to a difference in travel times between two... Agent: Westerngeco L.L.C.

20070268782 - 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

20070268783 - Ultrasonic sensor: An ultrasonic sensor includes a plurality of vibrating parts, a plurality of receiving elements, and a waveguide. Each of the vibrating parts vibrates when a corresponding ultrasonic wave reflected by a detection object is transmitted thereto, and receives the ultrasonic wave. Each of the elements includes corresponding one of the... Agent: Posz Law Group, PLC

20070263487 - Method for sub-salt migration velocity analysis: A method for interpreting seismic data below a salt layer includes depth migrating the seismic data to a bottom of the salt layer. The migrating including generating an initial model of velocities below the salt layer. The initial model is scaled by a plurality of scale factors at at least... Agent: E. Eugene Thigpen Petroleum Geo-services, Inc.

20070263488 - Wellbore telemetry and noise cancellation systems and method for the same: A method of signal processing includes providing at least a first pressure sensor and a second pressure sensor spaced in a drilling system and using an algorithm to separate the downwardly propagating waves from the upwardly propagating waves. In one or more examples, an algorithm may include determining a velocity... Agent: Schlumberger Oilfield Services

20070263489 - Method for monitoring performance of marine seismic air gun arrays: A method for characterizing function of an air gun includes measuring, with respect to time, a parameter related to pressure in a charge chamber portion of the air gun. The measurements with respect to time are used to characterize the function of the air gun.... Agent: E. Eugene Thigpen Petroleum Geo-services, Inc.

20070258319 - Ocean bottom seismic sensing system: Seismic sensor systems and sensor station topologies, as well as corresponding cable and sensor station components, manufacturing and deployment techniques are provided. For some embodiments, networks of optical ocean bottom seismic (OBS) stations are provided, in which sensor stations are efficiently deployed in a modular fashion as series of array... Agent: Patterson & Sheridan, L.L.P.

20070258321 - System for reducing towing noise in marine seismic survey streamers: 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.

20070258320 - System for seismic sensor mounting in a marine seismic streamer: A seismic streamer includes a jacket covering an exterior of the streamer. At least one strength member extends along the length of the jacket, and is disposed inside the jacket. At least one seismic sensor is disposed is mounted in a respective sensor spacer affixed to the at least one... Agent: E. Eugene Thigpen Petroleum Geo-services, Inc.

20070258322 - Methods and systems for determining signatures for arrays of marine seismic sources for seismic analysis: Embodiments of the present invention provide systems and methods for deriving a source signature for an array of seismic sources for marine seismic analysis, wherein the systems and methods include factors for determining the source signature taking into consideration both sea-surface and sea-floor reflections of signals produced by the seismic... Agent: Schlumberger-doll Research Attn: Intellectual Property Law Department

20070258323 - Method for seismic trace decomposition and reconstruction using multiple wavelets: The present invention has established a method for decomposing a seismic trace, which can be a pre-stack or post-stack seismic trace, into a set of seismic wavelets of different shapes and for reconstructing a new seismic trace by a subset of the wavelets and the original seismic trace by all... Agent: Ping An

20070258324 - Sub-salt reflection tomography and imaging by walkaway vsp survey: A walkaway VSP survey is carried out with receivers located in a borehole near the base salt. Reflection tomographic inversion of data from the walkaway VSP is used to derive a velocity model for the subsurface and may be used for imaging of sub-salt reflections.... Agent: Madan, Mossman & Sriram, P.C.

20070258325 - Rotary laser positioning for geophysical sensing: Embodiments of the present invention address deficiencies of the art in respect to positioning for geophysical sensing and provide a method, system and apparatus for rotary laser positioning in geophysical sensing. In an embodiment of the invention, a geophysical sensing data processing system can be provided to include multiple laser... Agent: Carey, Rodriguez, Greenberg & Paul LLP Attn: Steven M. Greenberg, Esq.

20070258326 - Telemetry wave detection apparatus and method: Non-contacting means of measuring the material velocities of harmonic acoustic telemetry waves travelling along the wall of drillpipe, production tubing or coiled tubing are disclosed. Also disclosed are contacting means, enabling measurement of accelerations or material velocities associated with acoustic telemetry waves travelling along the wall of the tubing, utilizing... Agent: Klarquist Sparkman, LLP

20070258327 - Measurement while drilling tool and method: An apparatus for telemetering a downhole parameter from a well. The apparatus comprises a housing having a bore. The apparatus further comprises an annular main valve with an enlarged end positioned within the bore, with the main valve having a center of axis. A restrictor is concentrically disposed within the... Agent: Perret Doise A Professional Law Corporation

20070258328 - Controlled acoustic beam generator for crowd control: A controlled acoustic beam generator system comprising: an array of acoustic transmitters; a signal generator, amplifier for amplifying the acoustic signal; multi-channels signal processor, for processing the acoustic signal, distributing corresponding processed acoustic signals, into the array of acoustic transmitters; steering for steering an acoustic beam which is the resultant... Agent: Pearl Cohen Zedek Latzer, LLP

20070258329 - Method and apparatus for the exploitation of piezoelectric and other effects in carbon-based life forms: The invention promotes piezoelectric effects in carbon-based life forms using specific geometries, ratios, frequencies and combinations therein using associated vibrational states functioning in part, as bi-directional holographic transducers between the acoustic and electromagnetic domains.... Agent: Brown & Michaels, PC 400 M & T Bank Building

20070258330 - Seabed seismic station packaging: A seismic sensor station includes a housing containing a fiber optic hydrophone and a fiber optic accelerometer that can both be made from a single length of optical fiber arranged inside the housing. The fiber optic accelerometer is arranged in a liquid/oil filled compartment of the housing for dampening of... Agent: Patterson & Sheridan, L.L.P.

20070258331 - Tri axis high frequency fiber optic acoustic sensor: A fiber optic acoustic sensor that detects pressure waves from all incident angles features multiple mandrels orthogonally disposed to provide omni-directional sensing capability. The topology of the mandrels prevents frequency response drop-off characteristic of cylindrical sensors at wavelengths smaller than ½ the length of the acoustic cylinder. The larger operating... Agent: Snell & Wilmer L.L.P. (grumman)

20070258332 - Multi-level capacitive ultrasonic transducer: The invention concerns a capacitive ultrasonic transducer, comprising an external layer operating as an external plate, provided with electrode means, capable to vibrate, and a stiff substrate, in turn provided with electrode means, wherein it further comprises n levels, with n≧2, interposed between the plate and the substrate, each level... Agent: Roberts, Mlotkowski & Hobbes

20070253289 - Synchronization of seismic data acquisition systems: A network distributed seismic data acquisition system comprises seismic receivers connected to remote acquisition modules, receiver lines, line tap units, base lines, a central recording system and a seismic source event generation unit synchronized to a master clock. One or more high precision clocks is added to the network to... Agent: W. Allen Marcontell