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8654605 Coaxial support structure for towed marine seismic source arrays  
A seismic source array includes at least one float. A plurality of rigid conduit sections each includes a bracket for suspension from the float at a selected depth in a body of water and...
8654606 Obtaining a response based on differencing of outputs of sensors  
A sensor assembly has first sensors spaced apart along a first direction, and second sensors oriented in a second direction generally orthogonal to the first direction. Differencing of outputs of...
8651228 Wheel lifting apparatus  
The invention is an electric powered mechanism for lifting and lowering at the wheels for an electric sweep type seismic vibrator source of the type used in seismic prospecting for hydrocarbons....
8654611 Method for detecting substantially periodic series of bursts of substantially sinusoidal signals  
A method for detecting series of substantially periodic bursts of substantially sinusoidal signals, in particular, but not exclusively, series of bursts of signals transmitted recurrently (by...
8654607 System and method for determining wave characteristics from a moving platform  
A system and a method for determining one or more wave characteristics from a moving platform are disclosed. A sonar system, such as an Acoustic Doppler Current Profiler, can profile the water...
8654832 Apparatus and method for coding and modulation  
A communication method includes: receiving input data at a transmitter, the transmitter including at least one convolutional encoder and at least one modulator; applying the input data to a...
8654609 Target detection device, target detection control program, and target detection method  
A target detection device includes: a sound source which projects a sound pulse; a transducer array disposed in a region for receiving a forward scattered wave from an object in the propagation...
8649244 Target searching device, target searching program, and target searching method  
The target searching device includes: a sound source which transmits a sound wave into a propagation space; a transducer array placed in an area to receive a forward scattering wave which scatters...
8646519 Low-profile suspension of logging sensor and method  
Presented are systems and methods for dampening vibrations transmitted to a sensor assembly based on well drilling operations. Vibration isolators are distributed around a sensor assembly and...
8647328 Reflected acoustic wave modulation  
Devices and systems for transmitting information within a body are disclosed. An example system includes a signal generator configured for transmitting an acoustic interrogation signal, a sensor...
8649242 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...
8641197 Acoustical receiver and pen transcription system adapted for rejecting virtual pen images  
An acoustical receiver for detecting an acoustical signal characterized by a wavelength and a pen transcription system utilizing the same are disclosed. The receiver includes a detector that...
8644111 Method and system 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...
8644114 Signal transmitter device comprising an electrical acoustic signal transmitter  
A signal transmitter device comprises an electrical acoustic signal transmitter signal, which has a piezoceramic disk on a metal membrane, on a printed circuit board. The printed circuit board has...
8644115 Hydrophone and pressure balancing device for using for hydrophone  
A sound sensor, a hydrophone including the sound sensor, and a pressure balancing device for using for the hydrophone are provided. The hydrophone includes: a sensor including a sensing part and a...
8644110 Methods and systems for spurious cancellation in seismic signal detection  
Methods and systems utilizing seismic sensors configured or designed for use in seismic signal detection are provided so as to reduce the occurrence of spurious responses of the sensors. A method...
8644113 Sound-based positioning  
A receiving device captures sounds signals (e.g., ultrasonic) from multiple sound signal sources, selects the sound signals satisfying a reliability condition for use in determining an initial...
8644109 Seismic streamer formed of sections comprising a main sheath covered with an external sheath formed using a thermoplastic material loaded with a biocide material  
System and method for providing an anti-fouling function to a streamer to be towed under water for seismic survey data collection. The method includes mixing a thermoplastic material with a...
8644112 Flasher type fish sonar  
A flasher type fish sonar includes a front case with a transparent display window, a signal transmitting element at a center thereof, a connecting base board having a first timing detecting...
8641625 Ultrasonic diagnostic apparatus  
An object of the invention is to provide an ultrasonic diagnostic apparatus that can scan a region of interest at high speed and other regions at low speed. In the ultrasonic diagnostic apparatus...
8639444 Chrono-stratigraphic and tectono-stratigraphic interpretation on seismic volumes  
A method for performing chrono-stratigraphic interpretation of a subterranean formation. The method includes obtaining a seismic volume containing stratigraphic features of the subterranean...
8639442 Identifying invalid seismic data  
A method for processing seismic data. The method may include (1) receiving seismic data acquired by an ith seismic sensor of a plurality of seismic sensors and (2) determining an ith value to...
8638242 Digital power management using serial data transfer  
Methods and systems for digital control utilizing oversampling.
8638956 Acoustic velocity microphone using a buoyant object  
Embodiments of a directional acoustic sensor or acoustic velocity microphone are disclosed that include a sensor frame structure, a support means, and a buoyant object. The buoyant object is...
8638641 Real-time robust method for determining the trajectory of one or more cetaceans by means of passive acoustics, using a laptop computer  
The trajectory of at least one marine animal emitting sound signals in the form of series of clicks, such as a cetacean, is passively determined. During successive processing time windows, raw...
8638639 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...
8639186 Telemetry conveyed by pipe utilizing specks  
Drill pipe segments, communication systems, and methods of manufacturing pipe segments usable for communicating data wirelessly between sensors and tools placed in an oil and/or gas well are...
8638642 Identity tracking process and system  
A method of identifying and tracking a target is described, in which seismic data relating to a target is passively detected and processed using statistical means. The statistical manipulation of...
8638426 Sea clutter identification with a laser sensor for detecting a distant seaborne target  
There is provided a system for detecting distant seaborne objects by an airborne vehicle, including a seeker head having an axis in the direction of flight, a sensor mounted on the seeker's head,...
8639443 Microseismic event monitoring technical field  
A microseismic monitoring system includes a seismic sensor positioned proximate to a wellbore traversing a formation; an orientation source producing an orientation shot; a hydraulic apparatus...
8637945 Component having a micromechanical microphone structure, and method for its production  
A component having a robust, but acoustically sensitive microphone structure is provided and a simple and cost-effective method for its production. This microphone structure includes an...
8638640 Acoustic transducers for underwater navigation and communication  
Methods and transducers for producing acoustical signals having a spiral wavefront with omnidirectional magnitude and a phase that varies with angle and transducers for producing broadband...
8634272 Televiewer image wood-grain reduction techniques  
Measurements made by a transducer assembly for downhole imaging are affected by reverberations between the transducer and the window on the outside of the assembly. The reverberations result in a...
8633805 Systems and methods to determine motion parameters using RFID tags  
Systems and methods to determine motion parameters of physical objects using radio frequency identification (RFID) tags attached to the objects. In one embodiment, a method implemented in a radio...
8634270 Determining sea conditions in marine seismic spreads  
According to one or more aspects of the invention, a marine seismic survey method comprises towing at least two streamers below a sea surface forming a survey spread, each streamer comprising a...
8634273 Acoustic telemetry system using passband equalization  
An embodiment includes a method comprising transmitting and receiving an acoustic signal that is modulated along a jointed tubing. The acoustic signal may be transmitted in multiple passbands of...
8634275 Audio processing device  
In an audio processing device, a target sound emphasizer generates a target sound emphasized component by emphasizing a target sound component contained in a plurality of audio signals generated...
8634271 Variable depth streamer SRME  
Methods and systems for variable wavelet correction are described. A variable depth dataset is deghosted before presentation to a multiples prediction step of multiples elimination model. In...
8632274 Deployment method for ocean bottom seismometers  
A deployment method and system for ocean bottom seismometers (OBS) includes providing a plurality of circular shaped, wireless, self-contained OBS units. The circular shaped OBS units are loaded...
8634276 Tunable bubble sound source  
A sound source includes a bubble configured to be filled with a gas. The sound source also includes an actuator configured to perturb the gas within the bubble by changing the volume of the gas...
8634274 Spindle for mud pulse telemetry applications  
A spindle for a mud pulse telemetry tool includes a seal section having an outer surface for contacting a lip seal of a spindle housing in which the spindle is mounted; a top section attachable to...
8635041 Synchronizing a seismic data acquisition network  
Described herein are implementations of various technologies for a method for configuring a seismic data acquisition network. A first message may be received from a first node of the seismic data...
8629782 System and method for using dual telemetry  
A system and a method use dual telemetry for tools located in a wellbore. A first telemetry system and a second telemetry system coordinate communication with the tools. Both the first telemetry...
8630146 Method and apparatus for estimating formation permeability and electroacoustic constant of an electrolyte-saturated multi-layered rock taking into account osmosis  
An acoustic source on a logging tool is used to generate acoustic waves in a borehole. Acoustic detectors on the logging tool measure the generated acoustic waves. Electrodes on the logging tool...
8630149 Marine seismic source  
A low frequency sound source has a radiating piston (3) of the order of a few meters across backed by a gas spring (13, 15) containing a fixed mass of gas. The gas pressure in the spring is kept...
8629800 Ground vehicle collision prevention systems and methods  
A method and apparatus for detecting a vehicle. An apparatus comprises a proximity detection system, a vehicle management system, and a notification system. The proximity detection system is...
8630148 Systems, methods, and apparatus to drive reactive loads  
Systems, methods, and apparatus to drive reactive loads are disclosed. An example apparatus to drive a reactive load includes a reactive component in circuit with the reactive load, a first...
8627725 Capacitance type vibration sensor  
A capacitance type vibration sensor has a substrate including a hollow portion, a vibration electrode plate, which is arranged facing the hollow portion at an upper surface side of the substrate...
8630147 Method of determining position where work is done in space surrounded by surfaces and work result management device  
A position determining method and a work result management device. A position where work is done inside a space surrounded by surfaces is determined, wherein the position where work is done inside...
8625388 Voltage leakage detection for serially connected electrical nodes in a seismic surveying system  
A seismic survey apparatus includes a plurality of serially connected electrical nodes; a power supply capable of supplying power to the electrical nodes and detecting a voltage leakage among the...