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Communications, electrical: acoustic wave systems and devices June invention type 06/11

20110158040 - Wireless data acquisition system and method using self-initializing wireless modules: Presented are systems and methods for deploying wireless data acquisition modules that facilitate autonomous initialization. The wireless data acquisition modules may initiate a initialization process in response to a stimulus associated with being deployed. The wireless data acquisition module may further conduct a neighbor discovery process and in turn establish... Agent: Wireless Seismic, Inc.

20110158041 - Random sampling for geophysical acquisitions: The presently disclosed technique includes a method for geophysical survey having at least one source and one receiver, wherein the survey has two sets of survey locations within the survey area, one set of survey locations for the source(s) and the other set of survey locations for the receiver(s), wherein... Agent: Westerngeco L. L. C.

20110158042 - Randomization of data acquisition in marine seismic and electromagnetic acquisition: The presently disclosed technique includes a method for use in a marine survey comprising randomizing the distribution of receivers and sources during a coil shoot acquisition. The randomizing can be implemented in a number of ways. For example, in one embodiment, randomizing the distribution includes randomizing the positions of the... Agent:

20110158043 - Electromagnetic and seismic streamer cable and method for using such a streamer cable: A geophysical sensor cable has one or more sensor cable sections. Each of the sensor cable sections is provided with seismic and electromagnetic sensors arranged along said cable. The seismic sensors include a hydrophone and a seismic component receiver for seismic vector measurements while the sensor cable is at the... Agent: Multifield Geophysics As

20110158044 - Method and apparatus for acquiring wide-azimuth marine data using simultaneous shooting: A technique for acquiring wide azimuth seismic data using simultaneous shooting is presented in which a plurality of seismic sources are positioned to achieve a desired crossline sampling as a function of the number of passes. This is accomplished by “interleaving” sources as deployed in the spread, as positioned in... Agent:

20110158045 - System for adjusting geophysical sensor streamer front end towing depth: A system for towing a marine geophysical sensor streamer includes a lead in line extending from a tow vessel. A streamer front end termination is coupled to an end of the lead in line and to a forward end of the sensor streamer. A floatation device is coupled by a... Agent:

20110158046 - Seismic data acquisition and processing quality control: The present invention relates to producing a quality control measure for use during data acquisition and/or data processing of, preferably, seismic data. While or after obtaining the data, a surface consistent decomposition of the data is performed. From the surface consistent decomposition, one may compute a decomposed logarithmic spectra, and... Agent:

20110158047 - Synchronization of modules in a wireless array: Presented are systems and methods for wireless data acquisition. The wireless data acquisition may involve synchronizing modules within a data acquisition array. The synchronized data acquisition array may be used to facilitate a seismic survey. Synchronization may be facilitated by receipt of a reference time event such that a clock... Agent: Wireless Seismic, Inc

20110158048 - Spiral sensor configuration for seismic beamforming and focusing: A seismic sensor array includes a plurality of seismic sensors disposed on a line. The line is arranged in a spiral. The seismic sensors are disposed at at least one of equal angular spacing between adjacent sensors and equal linear spacing between adjacent sensors. A recording system is in signal... Agent:

20110158049 - Method for processing borehole seismic data: Seismic data recorded by subsurface seismic sensors placed in a borehole, such as an oil or gas well, are transformed via a process of upward wavefield propagation to pseudo-receivers at the surface of the earth. The seismic data thus transformed can be processed as though the data had been recorded... Agent:

20110158050 - Wireless network discovery algorithm and system: A wireless modem for communication in a network of wireless modems via a communication channel includes a transceiver assembly, transceiver electronics and a power supply. The transceiver electronics include transmitter electronics, receiver electronics and at least one processing unit. The transmitter electronics cause the transceiver assembly to send wireless signals... Agent:

20110149679 - Method and devices for underwater deployment of a structure: Described herein are methods and devices for underwater deployment of a structure. For example, the embodiments described herein are particularly focused on sonobuoys that are configured for autonomous deployment in an underwater environment. One embodiment provides a sonobuoy having a plurality of arms, which are in some embodiments telescopic. The... Agent: Thales Underwater Systems Pty Limited

20110149680 - Measuring system, image forming method, and program: A measuring system for receiving acoustic waves and producing image data includes an acoustic wave receiver that detects acoustic waves which are generated by irradiating a specimen with pulsed light. The acoustic wave receiver converts the detected acoustic waves into an electric signal, and an image forming apparatus generates image... Agent: Canon Kabushiki Kaisha

20110149681 - Directionally and depth steerable seismic source array: A steerable seismic energy source includes at least one float. The floatation device includes a device for changing buoyancy thereof. A frame is coupled to the at least one float. At least one seismic energy source is suspended from the frame. At least one steering device is coupled to the... Agent:

20110149682 - Method and apparatus for positioning of seismic cables: The present invention provides a method and apparatus for determining the position of a seismic cable being used to perform a marine seismic survey. The apparatus includes at least one seismic sensor and a plurality of sources deployed in a manner that is structurally independent of the seismic sensors and... Agent:

20110149683 - Combined impulsive and non-impulsive seismic sources: A method for seismic exploration of subsurface rock formations includes actuating an impulsive seismic energy source proximate the rock formations. A non-impulsive seismic energy source is actuated. A near field waveform of each of the impulsive and non-impulsive seismic energy sources is detected. A far field waveform of the combined... Agent:

20110149684 - Method for initializing receiver channels in a cement bond logging tool: A method for initializing the input of each of m receiver channels of a receiving transducer in a well logging tool comprising the steps of selecting a logging tool having a multi-element receiving transducer wherein each element of the multi-element receiving transducer operates in an anti-resonant mode below its resonant... Agent: Probe Technology Services, Inc.

20110149685 - Lightweight inflatable borehole receiver unit for seismic testing: A borehole receiver for seismic testing has a support frame and an inflatable membrane configured to form a single, compact unit. The inflatable membrane has at least one sensor, such as an accelerometer affixed to the membrane. The at least one accelerometer may be adhesively affixed to an interior portion... Agent:

20110149686 - Method for transmission of seismic data: The transmission method utilizes multiple seismic acquisition units within an array as intermediate short range radio receivers/transmitters to pass collected seismic data in relay fashion back to a control station. Any one seismic unit in the array is capable of transmitting radio signals to several other seismic units positioned within... Agent: Fairfield Industries Incorporated

20110149687 - Acoustic transceiver with adjacent mass guided by membranes: An acoustic transceiver assembly including a housing, an oscillator, and at least one membrane. The housing has at least one inner wall defining a cavity. The housing also has a first end and a second end defining an axis of the acoustic transceiver assembly. The oscillator is provided in the... Agent:

20110149688 - Conduit monitoring: A method for monitoring a fluid carrying conduit by introducing an acoustic pulse into the conduit, and interrogating an optic fibre positioned along the path of said conduit to provide distributed acoustic sensing. By measuring the response at each of a plurality of locations, a conduit condition profile can be... Agent: Qinetiq Limited

20110149689 - Acoustic doppler dual current profiler system and method: An AD2CP includes at least one transducer assembly emitting sets of slanted directional acoustic beams and receiving the echoes; and electronics that processes the echoes into depth cells and computes velocity in each depth cell. The AD2CP is configured so that each beam set has a profiling catenation, at least... Agent: Nortek As

20110149690 - Obstacle detection device: An obstacle detection device mountable on a surface of a movable body includes a transmitting portion for transmitting a transmitting wave, a receiving portion for receiving a reflected wave from an obstacle, a distance calculating portion, a direction calculating portion, a distance storing portion, a direction storing portion, a distance... Agent: Denso Corporation

20110149691 - Supercavitating projectile tracking system and method: A system for three-dimensional tracking of high speed undersea projectiles may utilize a distributed field of randomly positioned passive acoustic sensors. The system measures variables related to the pressure field generated by a supercavitating projectile in flight wherein the amplitude of the pressure generated at a point in space is... Agent:

20110149692 - Method of communication using improved multi-frequency hydraulic oscillator: In a measuring while drilling or similar system, a pressure balance drive cylinder exhaust valve is driven by a toggling sense piston. Reset of the sense piston creates a pressure balance across the exhaust valve such that, as the pressure within the drive cylinder regeneratively increases, this pressure is applied... Agent:

20110141845 - High fidelity data compression for acoustic arrays: Techniques include determining coefficients of a complex auto regression (AR) model to fit a complex average spectrum at a base frequency resolution of a set of one or more measured acoustic beams during a time block. Residuals derived by filtering actual data through an inverse of the AR model are... Agent:

20110141847 - Method and apparatus for measuring pore pressure beyond the casing: Acoustic waves from a controllable downhole acoustic source in a cased borehole are focused into a region of an earth formation. A hydrophone is used to monitor acoustic signals for onset of cavitation. The estimated pressure from the source in the focus region provides an estimate of formation pore pressure.... Agent: Baker Hughes Incorporated

20110141846 - Microseismic fracture mapping using seismic source timing measurements for velocity calibration: A system and method for micro seismic fracture mapping using seismic source timing measurements for velocity calibration (28) and mapping. The system is deployed and coupled to a wire line (36) and a seismic source trigger with the sensor and transmitter coupled to the sensor with transmission of the time... Agent: Halliburton Energy Services, Inc.

20110141848 - Optimizing a seismic survey for source separation: A technique includes determining at least one parameter that characterizes a seismic survey in which multiple interfering seismic sources are fired and seismic sensors sense energy that is produced by the seismic sources. The determination of the parameter(s) includes optimizing the seismic survey for separation of the sensed energy according... Agent:

20110141849 - Method for attenuating interference noise in dual-sensor seismic data: A super-gather is constructed by interleaving traces from a hydrophone gather and a geophone gather in seismic data such that traces pertaining to co-located hydrophones and geophones are adjacent to each other. A noise-attenuated super-gather, generated by applying an f-x domain noise identifying and attenuation process to the super-gather, is... Agent:

20110141850 - Electromagnetic system for timing synchronization and location determination for seismic sensing systems having autonomous (nodal) recording units: A synchronization system for a nodal geophysical data recorder includes an electromagnetic transmitter associated with a master recording unit. The master unit includes devices for determining time and geodetic position from an external reference. The transmitter includes a code generator to cause transmission of a time synchronization signal as a... Agent: Pgs Onshore, Inc.

20110141851 - System and method for integrated reservoir and seal quality prediction: A system for and method of integrated reservoir and seal prediction is useful for evaluation of effective mean stresses affecting geologic systems through their history, and subsequently to predict reservoir and seal quality, flow and seal properties and other behaviors. Porosity and permeability as well as seal properties are modeled... Agent: Chevron U.s.a. Inc.

20110141852 - Air hammer optimization using acoustic telemetry: A system and method of optimizing air hammer performance in a well drilling rig whereby an electronic acoustic receiver (EAR) is used to monitor the effects of changing any of the operating parameters under his or her control. The signals are visually presented to the drill operator based on an... Agent:

20110141853 - Underwater acoustic navigation systems and methods: An acoustic underwater navigation system is disclosed. For instance, an underwater receiver determines its position using signals broadcast from an array of acoustic transmitters located near the surface. The position of the array is measured using global positioning system (GPS) technology and the transmitters collectively produce an acoustic signal in... Agent: Shb Instruments, Inc.

20110141854 - Acoustic sensor and method of fabricating the same: A condenser-type acoustic sensor is provided. The acoustic sensor includes an acoustic chamber formed by etching an upper portion of a substrate, an insulating layer formed on the substrate and having a central area etched so that the acoustic chamber is exposed, a diaphragm formed on the insulating layer, and... Agent: Electronics And Telecommunications Research Institute

20110134718 - Method for full-bandwidth source deghosting of marine seismic streamer data: Seismic data recorded in a marine streamer are obtained, sorted as a common receiver gather. A complex Laplace frequency parameter is used to transform the seismic data from a space-time domain to a spectral domain. An iterative conjugate gradient scheme, using a physically-based preconditioner, is applied to the transformed seismic... Agent:

20110134719 - Methods, apparatus and articles of manufacture to determine anisotropy indicators for subterranean formations: Example methods, apparatus and articles of manufacture to determine anisotropy indicators for subterranean formations are disclosed. A disclosed example method includes computing a first shear slowness value from measured quadrupole waves, computing a second shear slowness value from measured Stoneley waves, and comparing the first and second shear slowness values... Agent: Schlumberger Technology Corporation

20110134720 - Method of using dipole compressional data to determine properties of a subterranean structure: To determine properties of a subterranean structure, information relating to dipole compressional data is collected based on measurements by a logging tool in a borehole. The information relating to the dipole compressional data is analyzed in multiple dimensions (e.g., multiple borehole axial planes) to determine the properties of the subterranean... Agent: Schlumberger Technology Center

20110134721 - Method for combining seismic data sets: A method is disclosed for combining seismic data sets. This method has application in merging data sets of different vintages, merging data sets collected using different acquisition technologies, and merging data sets acquired using different types of sensors, for example merging hydrophone and geophone measurements in ocean bottom seismic data.... Agent:

20110134722 - Simultaneous joint inversion of surface wave and refraction data: A technique includes a method and apparatus for simultaneous joint inversion of surface wave and refraction data to identify near surface geophysical and geological properties.... Agent: Mediwound Ltd.

20110134723 - Acoustic fluid height monitoring using dynamic surface perturbations: A method of determining the volume or height of fluid in a reservoir is provided. A first burst of focused acoustic energy is used to raise temporarily a protuberance on a free surface of the fluid. A second burst of acoustic energy is directed to the free surface of the... Agent:

20110134724 - System and method for concurrent bathymetric fix: A system and method operate a Navigation Sonar System in an Alert Velocity Submode, receive sonar data during the operation of the Navigational Sonar System in the Alert Velocity Submode, and use the sonar data to compute depth data used to calculate a Bathymetric Fix.... Agent: Lockheed Martin Corporation

20110134725 - Ultrasonic system and communication method thereof: An ultrasonic system including an ultrasonic transmitter and an ultrasonic receiver is provided. The ultrasonic transmitter emits a transmission signal, which includes a synchronous burst and multiple data bursts. The ultrasonic receiver receives a synchronous echo, and determines whether the amplitude of the synchronous echo is larger than a first... Agent: Lite-on It Corporation

20110128815 - Cart for ultrasonic imaging apparatus and ultrasonic imaging system: A cart for use with an ultrasonic imaging apparatus, comprising: a supporting part, a cart body and a bottom part; said cart body is connected to the supporting part and the bottom part; said supporting part is provided with an interface thereon for supporting and connecting the ultrasonic imaging apparatus;... Agent:

20110128816 - Received data processing apparatus of photoacoustic tomography: There is provided a received data processing apparatus of photoacoustic tomography including a minimum constitution unit data composition unit that sequentially reads receiving digital signals from first storage units and composes minimum constitution unit data of the acoustic wave of the minimum constitution units by performing a delay-and-sum process; a... Agent: Canon Kabushiki Kaisha

20110128818 - Extraction of discrete records from continuous seismic recordings: An adaptive signal separation is provided that isolates signal data and listening data from multiple continuous overlapping seismic signals.... Agent: Conocophillips Company

20110128817 - Geophysical signal processing: A method of processing geophysical signals obtained by monitoring the response of the earth to an source using a plurality of receivers is described including the evaluation of sums or integrals of functions of weighted signal values over a one or multidimensional domain such that the domain is split into... Agent: Westerngeco

20110128819 - Active sonar system and active sonar method using fuzzy logic: A computer-implemented method of sonar processing includes identifying, with a processor, a detection having a detection probability value, the detection in a selected beam, wherein the detection is associated with a detection range cell having detection range cell data. The method also includes comparing, with the processor, the detection range... Agent: Raytheon Company

20110128821 - Signal processing apparatus and method for removing reflected wave generated by robot platform: Disclosed herein is a signal processing apparatus and method for removing a reflected wave generated by a robot platform. The signal processing apparatus includes a transfer function measuring unit for measuring an inter-channel transfer function (IcTF) from signals of a plurality of channels; an impulse response obtaining unit for obtaining... Agent:

20110128820 - System and method for discriminating a subsurface target in the water from a surface target in the water: A computer-implemented method of discriminating a surface from a subsurface sound-generating target in the water includes identifying an arrival angle of sound generated by the sound-generating target and received by a sound receiver at a known depth in the water. The method also includes generating a probability density function about... Agent: Raytheon Company

20110128822 - Underwater communications: A method of underwater communication between a link initiator and a link receptor, by transmitting a link acquisition waveform from the initiator to the receptor, and establishing communications channel parameters from such a received waveform. Data is then transmitted according to these parameters, which may include range, direction, frequency band... Agent: Atlas Elektronik Uk Limited