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Communications, electrical: acoustic wave systems and devices July category listing 07/09

20090190441 - Autonomous ultrasonic indoor tracking system: The present invention provides a Positioning on One Device (POD) for locating and tracking objects and an autonomous ultrasound indoor track system (AUITS) and method for locating objects by using the POD. The AUITS can comprise: a tag device installed on a mobile object, which includes radio frequency (RF) and... Agent: Sughrue Mion, PLLC

20090190442 - Electroacoustic underwater antenna: An electroacoustic underwater antenna, particularly a lateral antenna which can be fixed to the outer hull of an underwater craft, comprising a series of hydrophones (13) successively arranged in at least one elongate, closed, oil-filled cavity at a distance from each other. The aim of the invention is to achieve... Agent: Fitch, Even, Tabin & Flannery

20090185444 - Method for wavefield separation in 3d dual sensor towed streamer data with aliased energy in cross-streamer direction: Pressure records and vertical particle velocity records from dual sensor towed streamer data are transformed to the inline wavenumber domain. A series of scaling filters are applied to the transformed vertical particle velocity records at each inline wavenumber, wherein each of the series of scaling filters is calculated for a... Agent: E. Eugene Thigpen

20090185445 - Borehole apparatus and methods for simultaneous multimode excitation and reception to determine elastic wave velocities, elastic modulii, degree of anisotropy and elastic symmetry configurations: An acoustic borehole logging system for generation and detection of multipole modes used to determine elastic properties of earth formations characterized as inhomogeneous anisotropic solids. The system concurrently generates and senses monopole, dipole, quadrupole and any higher order pole in the borehole/formation system in order to characterize the elastic properties... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20090185447 - Borehole apparatus and methods for simultaneous multimode excitation and reception to determine elastic wave velocities, elastic modulii, degree of anisotropy and elastic symmetry configurations: An acoustic borehole logging system for generation and detection of multipole modes used to determine elastic properties of earth formations characterized as inhomogeneous anisotropic solids. The system concurrently generates and senses monopole, dipole, quadrupole and any higher order pole in the borehole/formation system in order to characterize the elastic properties... Agent: Wong, Cabello, Lutsch, Rutherford & Brucculeri, L.L.P.

20090185446 - Identification of stress in formations using angles of fast and slow dipole waves in borehole acoustic logging: Cross-dipole measurements are obtained in a borehole. By estimating a direction of polarization of the fast shear mode at low and high frequencies and comparing the estimated distances, a cause of anisotropy is established. Formation stresses and directions may be estimated.... Agent: Madan & Sriram, P.C.

20090185448 - Method for imaging the earth's subsurface using passive seismic sensing: A method of imaging the Earth's subsurface using passive seismic emission tomography includes detecting seismic signals from within the Earth's subsurface over a time period using an array of seismic sensors, the seismic signals being generated by seismic events within the Earth's subsurface. The method further includes inducing a seismic... Agent: Richard A. Fagin

20090185449 - Method for 3-c 3-d wavefield decomposition: An apparatus and a method for processing of three components, 3-Dimensions seismic (3-C, 3-D) data acquired by down-hole receivers and surface seismic sources. Automatic velocity analysis is used to identify the velocities of dominant events in a VSP panel. Different wave-types (downgoing P, downgoing PS, upcoming PS and upcoming PP)... Agent: Madan & Sriram, P.C.

20090180350 - Resonance method of radial oscillations for measuring permeability of rock formations: A method for determining permeability of a porous medium of a formation, the method including: placing a logging instrument into a borehole that traverses the porous medium, the borehole filled with a borehole fluid; measuring a pressure, p(1), of an acoustic wave in the borehole at about a boundary between... Agent: Cantor Colburn, LLP

20090180351 - 3-d tau-p interpolation: Methods and apparatus for removing noise from signal traces collected during a seismic gather, particularly removing the aliased energy in the time-slowness (tau-P) domain so that aliasing noise does not lead to high noise levels in the inverse transformed data are provided. Removal of the aliasing noise may provide for... Agent: Patterson & Sheridan, L.L.P.

20090180352 - Method for operating an ultrasonic sensor, and corresponding ultrasonic sensor: Operation of an ultrasonic sensor in duplex mode, and a method for operating an ultrasonic sensor in duplex mode, a corresponding ultrasonic sensor, and a corresponding device for controlling the ultrasonic sensor. A transmission trigger for triggering an acoustic transmitted signal is transmitted from the device for controlling the ultrasonic... Agent: Kenyon & Kenyon LLP

20090180354 - Methods for communicating with electronic device accessories: Electronic devices and accessories such as headsets for electronic devices are provided. A microphone may be included in an accessory to capture sound for an associated electronic device. Buttons and other user interfaces may be included in the accessories. An accessory may have an audio plug that connects to a... Agent: G. Victor Treyz

20090180353 - Methods for using an accessory to communicate with an electronic device: Electronic devices and accessories such as headsets for electronic devices are provided. A microphone may be included in an accessory to capture sound for an associated electronic device. Buttons and other user interfaces may be included in the accessories. An accessory may have an audio plug that connects to a... Agent: G. Victor Treyz

20090175124 - Method and apparatus for positioning a center of a seismic source: The present invention provides a method and apparatus for positioning a center of a seismic source. The method includes determining a desired center-of-source of the seismic source and selecting one of a first and a second plurality of guns to form the seismic source based upon the desired center-of-source, a... Agent: Westerngeco L.L.C. Jeffrey E. Griffin

20090175125 - Direct mapping of oil-saturated subsurface formations: The propagation of a compressional wave in a reservoir rock causes the pore fluids to flow within the pores and pore connections; this internal flow of the pore fluid exhibits hysteretic and viscoelastic behavior. This nonlinear behavior is directly related to the viscosity of the pore fluids. Pore fluids that... Agent: Nonlinear Seismic Imaging, Inc.

20090175126 - Frequency shift reservoir localization: A method and system of detecting and mapping a subsurface hydrocarbon reservoir includes acquiring seismic data having a plurality of components, applying a data transform to the seismic data to obtain seismic data spectral component maxima and maxima profiles, and recording the maxima or maxima profile in a form for... Agent: Spectraseis Ag

20090175127 - Multibeam sounder: The sounder according to the invention comprises two transmit-receive antennas (1, 10) whose respective axes are off-target toward the front, in the direction of movement of the platform, these axes being symmetrical relative to a straight line (3) passing through their intersection and parallel to the axis of travel of... Agent: Lowe Hauptman & Berner, LLP

20090175128 - Sonar imaging system with a synthetic aperture: e

20090175129 - Ultrasound emission deratization method and device: An ultrasound emission deratization device is described, comprising generation means (A, B, D) of a first ultrasound frequency (P1) and a second ultrasound frequency (P2) which are alternated, with a predetermined mean emission time for each of the two, and randomly variable time range pauses between a minimum and a... Agent: Mccormick, Paulding & Huber LLP

20090168595 - Method for gas zone detection using sonic wave attributes: A method for determining on a real time logging while drilling (LWD) basis gas within earth formations traversed by a borehole. Continuous LWD acoustic measurements are recorded and processed including coherent energy and attenuation attributes to detect downhole gas zones and kick during drilling operations.... Agent: Schlumberger K.k.

20090168599 - Identifying the q-factor using microseismic event generated s-coda waves: A method and system model of the formation and rock matrices in a well site. A microseismic event from a hydraulic fracture in a well bore is recorded at a monitoring well site. The S-coda wave window of the microseismic event is identified. Q-factors for a set of frequencies within... Agent: Schlumberger Information Solutions

20090168598 - Method for permeable zone detection: A method for estimating formation permeability from measured sonic wave Stoneley attributes and particularly the Stoneley attributes of slowness (DTst) and attenuation (ATTst), taking into consideration the existence of a heavy walled drill collar at the end of the drill string and the relative lack of borehole mud cake during... Agent: Schlumberger K.k.

20090168596 - Method for sonic indication of formation porosity and lithology: A method for estimating formation porosity and lithology on a real time basis during a logging while drilling operation using measured values of formation attenuation attributes for compression and/or shear.... Agent: Schlumberger K.k.

20090168597 - Method for sonic indication of voids in casing cement: A method for determining on a real time logging while drilling (LWD) basis the top of cement location between casing transition zones in a borehole using at least one sonic attributes of coherent energy, attenuation and slowness as a function of at least one of depth and time.... Agent: Schlumberger K.k.

20090168600 - Separating seismic signals produced by interfering seismic sources: A technique includes obtaining seismic data indicative of measurements acquired by seismic sensors of a composite seismic signal produced by the firings of multiple seismic sources. The technique includes associating models that describe geology associated with the composite seismic signal with linear operators and characterizing the seismic data as a... Agent: Westerngeco L.L.C. Jeffrey E. Griffin

20090168601 - Spectral conditioning for surface seismic data: A method for spectrally conditioning surface seismic data. In one implementation, the method may include correcting surface seismic data for distortions due to anomalous spectral amplitudes, thereby generating a first set of corrected data; correcting the first set of corrected data for deterministic distortions, thereby generating a second set of... Agent: Westerngeco L.L.C. Jeffrey E. Griffin

20090168602 - Seismic data recording: A seismic survey is conducted by positioning an array of remote acquisition units (RAUs) (10). Each of the RAUs (10) records seismic data derived from one or more geophones in digital form in local memory. The data is collected by a harvester unit traversed across the survey territory as by... Agent: Drinker Biddle & Reath Attn: Intellectual Property Group

20090168603 - Ultrasonic sensor: An ultrasonic sensor includes a transmitting device, receiving devices arranged in an array, and a circuit device. One receiving device is configured as a reference receiving device. The circuit device includes a reference signal generator and first and second synchronous detectors. The reference signal generator generates a reference signal by... Agent: Posz Law Group, PLC

20090168604 - Dual-receiving ultrasonic distance measuring equipment: A dual-receiving ultrasonic distance measuring equipment is disclosed, which uses a transmitter and two receivers, one of which serves as an objective and the other as a reference, to perform distance measurement. The transmitter and the reference receiver are fixedly installed on a phase adjusting platform, capable of adjusting a... Agent: Wpat, PC

20090168605 - Audio generating module: An audio generating module is disclosed comprising a transmitting medium, a power unit and a transmitting unit. The power unit is used for providing power. The transmitting unit, situated in the transmitting medium, connects to the power unit for receiving power, and generating an audio in the transmitting medium according... Agent: Muncy, Geissler, Olds & Lowe, PLLC

20090168606 - Interactive and/or secure acivation of a tool: A tool activation system and method includes receiving an authorization code of a user to verify access rights of a user to activate the tool. In one example, the authorization code is receive from a smart card. The environment around the tool, which can be in a wellbore, for example,... Agent: Schlumberger Reservoir Completions