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Communications, electrical: acoustic wave systems and devices March listing by industry category 03/11

20110075513 - Locator system and method including node and target acquisition: The present disclosure relates to a method and system for finding and physically altering underground targets. Multiple nodes are dispersed into the ground and determine their spatial orientation using seismic waves, and then operate as an array to locate and properly time kinetic pulses to focus seismic waves on the... Agent:

20110075514 - Apparatus and methods for attenuating seismic noise associated with atmospheric pressure fluctuations: Apparatus and methods are described for attenuating noise associated with atmospheric pressure fluctuations in a seismic signal during seismic data acquisition using at least a pair of sensors comprising a seismic sensor and a pressure sensor for concurrently receiving a seismic signal and a pressure signal respectively, the sensors being... Agent: Schlumberger Technology Corporation

20110075515 - Estimation of time shift based on multi-vintage seismic data: p

20110075516 - Seismic imaging systems and methods employing tomographic migration-velocity analysis using common angle image gathers: In at least some embodiments, the system obtains shot gathers for a survey region and migrates the shot gather data with an initial velocity model to obtain angle-domain common image gathers. The system processes the common image gathers to determine depth residuals and corresponding angle-dependent time deviations throughout a seismic... Agent: Halliburton Energy Services, Inc.

20110075517 - Correcting an acoustic simulation for elastic effects: A technique includes simulating seismic wave propagation based on an acoustic model and based on a result of the simulation, estimating an error between the result and another result obtained if the seismic wave propagation were simulated based on an elastic model. The technique includes based at least in part... Agent:

20110075518 - Multi-frequency, multi-beam acoustic doppler system: An acoustic Doppler system comprising a plurality of acoustic transceivers, an acoustic subsystem controller and a main processing unit operatively connected to the acoustic subsystem controller. A first of the plurality of acoustic transceivers operates at a first acoustic frequency and is operatively connected to a first group of transducers... Agent:

20110075519 - Thermoacoustic device: A thermoacoustic device includes a sound wave generator, a plurality of first electrodes, a plurality of second electrodes, a first network and a second network. The sound wave generator includes a first surface and a second surface. The plurality of first electrodes are disposed on the first surface. The plurality... Agent: Beijing Funate Innovation Technology Co., Ltd.

20110075520 - Seismic source which incorporates earth coupling as part of the transmitter resonance: An acoustic energy source for imparting acoustic energy into the Earth's subsurface includes an electrically driven transducer coupled to a source of swept frequency alternating current. A tunable Helmholtz resonator is disposed proximate the transducer. In one example, the resonator has a tuning device configured to maintain a resonant frequency... Agent:

20110075521 - Acoustic transducer: An acoustic transducer that enables acoustic radiation at a low frequency and that also improves efficiency of the acoustic radiation into liquid is provided. The acoustic transducer according to the present invention includes bending vibration module 7 that is formed by at least one bending oscillating body 1 that has... Agent:

20110069580 - Measuring and modifying directionality of seismic interferometry data: Methods and apparatuses are disclosed for replacing the individual receivers used with a seismic interferometry process with an array of seismic receivers and then manipulating the array data in order to measure and modify the typical non-uniform directionality function of the background seismic energy. The non-uniform directionality function is a... Agent:

20110069581 - Removal of surface-wave noise in seismic data: The invention is a method to predict surface-wave waveforms (306) and subtract them (307) from seismic data. Prediction is done by estimating a set of surface-consistent components (transfer functions in the frequency domain or impulse responses in time domain) that best represent changes in the waveforms for propagation along the... Agent:

20110069582 - Slant-stack for time gather to angle gather conversion: A method to correct errors in a conversion from time gather to angle gather using slant stacks wherein the slant stacking is performed along a direction that is normal to a dip or along three orthogonal directions. The slant stacking is performed in various domains.... Agent:

20110069583 - Apparatus and method for acoustic telemetry measurement of well bore formation debris accumulation: An invention is claimed wherein the signal loss along steel drill pipe walls can be estimated in the absence of a loss mechanism due to the formation debris at various positions in the well bore; the signal loss in excess of the calculated attenuation is generally and directly attributable to... Agent: Xact Downhole Telemetry Inc.

20110069584 - Method of locating a receiver in a well: A microseismic method of determining the position of a downhole receiver (4) making use of received signals from events (21, 22) at least two known locations using the equivalent of a Thales circle construction from two or more pairs of events.... Agent: Schlumberger Tecnology Corporation

20110069585 - Gunshot detection sensor with display: A system for locating and identifying an acoustic event such as gunfire. The inventive system employs a plurality of man wearable acoustic sensors for detecting gunfire, each acoustic sensor having a display associated therewith for displaying information concerning the acoustic event to a user. In preferred embodiments, the sensor includes... Agent:

20110069586 - Sonar mount: A sonar mount allows accurate and precise alignment of a sonar head to a boat. A tilt mechanism allows the sonar head to be lifted to a position that is substantially parallel to the boat's deck, thus facilitating placement of the boat on a trailer without the need to remove... Agent:

20110063945 - Apparatus and method for processing an ultrasound spectrum image: There is provided a method of processing an ultrasound spectrum image. According to such method, a spectrum image is formed based on ultrasound data and then the noise is removed from the spectrum image. The noise-removed spectrum image is matched with one or more spectrum models representing specific spectrum types.... Agent: Medison Co., Ltd.

20110063946 - Marine seismic acquisition system: A marine cable for seismic surveys is described with a plurality of ceramic pressure sensors 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 determining... Agent: Westerngeco LLC

20110063947 - Zero offset profile from near-field hydrophones: Method for acquiring zero offset data from a marine seismic survey. Seismic data are recorded using source signature monitor receivers located very near the air guns or other sources (81). The recorded data are sorted into common-source gathers (82). A common trace is computed that is common to each gather... Agent:

20110063948 - Method for combining signals of pressure and particle motion sensors in marine seismic streamers: A cross-line slowness is determined for each sample in the signals in towed marine seismic streamers. A range of assumed cross-line slownesses is selected. Vertical wavenumbers are determined using the range of assumed cross-line slowness determined for samples in the signals of pressure sensors and particle motion sensors in the... Agent:

20110063949 - Tdem forward focusing system for downhole use: A method and apparatus for estimating a parameter of interest of an earth formation ahead of a carrier within borehole. The method including estimating one or more functions based on received signals that may reduce the sum of the signals received by a first receiver, and estimating the parameter of... Agent: Baker Hughes Incorporated

20110063950 - Vibration generation and detection in shear wave dispersion ultrasound vibrometry with large background motions: A method for measuring a mechanical property of a subject includes using an ultrasonic transducer to apply ultrasonic vibration pulses to a vibration origin in the subject in an on-off time sequence in order to impart a harmonic motion at a prescribed frequency to the subject, and when the vibration... Agent:

20110063951 - Active sonar system: An active sonar system includes at least one transmitter to transmit an acoustic signal, at least one receiver to receive a reflected acoustic signal, and an electronic cabinet to control the at least one transmitter to transmit the acoustic signal and the receiver to receive the reflected acoustic signal. At... Agent: Hon Hai Precision Industry Co., Ltd.

20110058449 - Towed marine sensor streamer having concentric stress member: A seismic streamer includes a jacket covering an exterior of the streamer. At least one strength member extends the length of the jacket. The strength member is formed as a substantially flat belt having a width to thickness ratio of at least 10. At least one sensor holder is coupled... Agent: Pgs Geophysical As

20110058450 - Method for deghosting and water layer multiple reflection attenuation in marine seismic data: A method is disclosed for deghosting and water surface multiple reflection attenuation in marine seismic data. The method includes decomposing data acquired at two water depths with sensors that measure the same parameter into upgoing and downgoing wavefield components. The decomposing includes, in one embodiment, transforming the data into the... Agent:

20110058451 - Methods and apparatus to combine monopole and multipole acoustic logging measurements to determine shear slowness: Methods and apparatus to combine monopole and multipole acoustic logging measurements to determine shear slowness are disclosed. An example method to determine shear slowness of a formation from acoustic logging data disclosed herein comprises determining a plurality of mixed coherence values corresponding to a respective plurality of possible shear slowness... Agent: Schlumberger Technology Corporation

20110058452 - Method of acquiring near offset and zero offset seismic data: A method for seismic data acquisition includes deploying a seismic energy source at a selected position above an area of the Earth's subsurface to be evaluated. A substantially zero offset sensor is disposed proximate the seismic energy source. A plurality of seismic sensors is deployed proximate the area. At selected... Agent: Pgs Onshore, Inc.

20110058453 - Lamb wave dispersion compensation for eusr approach to ultrasonic beam steering: Methods and systems for detecting features in thin-wall structures are provided. A plurality of ultrasonic waves are generated within a thin-wall structure. At least one echo from the plurality of ultrasonic waves within the thin-wall structure is detected. The at least one echo is processed to determine a position of... Agent: Honeywell International Inc.

20110058454 - Housing for phased array monostatic sodar systems: A housing for a phased array monostatic sodar system with a transducer array that emits and receives multiple generally conical main beams of sound along different primary axes. The housing includes one or more upwardly-directed sidewalls that define a volume between them that is open to the atmosphere at the... Agent: Second Wind, Inc.

20110051550 - System and method for deployment of seismic data recorders: A system and method for deployment of a plurality of seismic recorder assemblies from a survey vessel on the ocean bottom is disclosed. The seismic recorder assemblies are self contained, autonomous nodal devices which are capable of receiving and recording reflected seismic energy and storing the data locally while operating... Agent:

20110051551 - Sensor grouping for dual sensor marine seismic streamer and method for seismic surveying: A method for marine seismic surveying includes towing a streamer in a body of water. The streamer includes a plurality of spaced apart sensor groups, each including a plurality of longitudinally spaced apart pressure sensors and particle motion responsive sensors. Signals are detected at each of the sensors in response... Agent:

20110051552 - Methods and apparatus to calculate a distance from a borehole to a boundary of an anisotropic subterranean rock layer: Methods and apparatus to calculate a distance from a borehole to a boundary of an anisotropic subterranean rock layer are disclosed. A disclosed example method includes transmitting a first signal from a first transmitter at a first location in a borehole traversing a subterranean formation, receiving the first signal at... Agent:

20110051553 - Determining the quality of a seismic inversion: A method for evaluating a quality of a seismic inversion. The method includes performing a first match between seismic data and borehole seismic data at one or more borehole locations to generate an estimate of a wavelet in the seismic data. The method then performs a seismic inversion on the... Agent:

20110051554 - Insonification device that includes a three-dimensional network of emitters arranged in at least two concentric spirals, which are designed to generate a beam of high-intensity focussed waves: The invention concerns a device (1) for the insonification of an environment or medium, which is designed to generate a beam of focussed waves around a point in a so-called focus zone (20), used for imaging the medium or changing the properties of the medium, with the insonification device (1)... Agent:

20110051555 - System and method for determining location of submerged submersible vehicle: An aspect of the present invention is drawn to method of determining a location of a submersible vehicle. The method includes obtaining first bearing information based on a location of a ship at a first time relative to the submersible vehicle and receiving broadcast information from the ship, wherein the... Agent:

20110051556 - Monopole acoustic transmitter ring comprising piezoelectric material: A monopole acoustic transmitter for logging-while-drilling comprising as a ring that comprises one or more piezoelectric arc segments. The ring is oriented in a plane whose normal is essentially coincident with the major axis of a logging tool in which it is disposed. The ring disposed within a recess on... Agent:

20110051557 - Apparatus and method for control using a humming frequency: A device controller configured to control physical devices using an audible humming frequency that includes: a humming frequency module, a humming command module, and a control command module. The humming frequency module may be configured to determine humming frequenc(ies) using a detected humming signal(s). The humming command module may be... Agent: