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US20130286775 SEISMIC IMAGING SYSTEM FOR COUSTIC-ELASTIC COUPLED MEDIA USING ACCUMULATED LAPLACE GRADIENT DIRECTION  
The description relates to a seismic imaging technology technique for modeling a subsurface structure through waveform inversion in the Laplace domain. The seismic imaging system comprises a scaled...
US20140146638 Method for Managing Shots in a Multi-Vessel Seismic System  
Method for managing shots in a multi-vessel seismic system, including for each slave shooter vessel: a) computing first theoretical shot times, based on a speed a scheduler shooter vessel and shot...
US20100322034 ACOUSTIC COMMUNICATION AND LOCATING DEVICES FOR UNDERGROUND MINES  
A system and method are described for locating and communicating with miners in an underground mine, in which miners carry a battery-powered signal unit with an impact actuator engagable with a...
US20080291121 DISPLAY FOR SONAR  
A low cost, low power consuming display for a solid state depth locator is provided. The display has no moving parts yet provides a real-time output indicative of the depth, size and density of...
US20100307251 Detailfunction Based Measurement  
Methods and apparatuses for finding, extracting and for providing of echoes with detail functions are described. In particular, an echo extraction method for extracting an echo from an echo...
US20110273958 SYSTEM AND METHOD FOR ACCURATE DETERMINATION OF OCEAN BOTTOM SEISMOMETER POSITIONING AND TIMING  
There is provided herein a system and method of seismic exploration that produces improved locations and timings for ocean bottom seismometers. The instant method utilizes linearized inversion in...
US20110141851 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...
US20130294204 Silicon-Based Monolithic Integrated Sonar Array  
The invention discloses a silicon-based monolithic integrated sonar array which includes a cantilevered sensing array structure, a sound-transparent jacket, and a support structure. The...
US20120294118 Acoustic Localization of a Speaker  
A system locates a speaker in a room containing a loudspeaker and a microphone array. The loudspeaker transmits a sound that is partly reflected by a speaker. The microphone array detects the...
US20140036632 MOUNTING STRUCTURE FOR SONAR SENSOR  
A mounting structure for a sonar sensor includes the sonar sensor provided with a detection plane for detecting a distance to an object by sending an ultrasound from the detection plane and...
US20110007605 MEASUREMENT METHOD FOR A GRANULAR COMPACTION PILE USING CROSSHOLE SEISMIC TESTING  
A measurement method for a granular compaction pile 10 using a crosshole seismic test. The measurement method includes forming first to fifth measurement holes around the granular compaction pile,...
US20120082006 SELF CALIBRATING SHOOTER ESTIMATION  
Disclosed are systems and methods that can be used to detect shooters. The systems and methods described herein use arrival times of a shockwave, produced by a shot, at a plurality of sensors to...
US20140254309 DIGITAL SEISMIC RECORDER INCLUDING WIRED, WIRELESS AND CABLE-LESS TELEMETRY  
A digital seismic recorder including wired, wireless and cable-less telemetry, which is optimized and combined from three types of instrument: a wired telemetry digital seismic recorder, a wireless...
US20140269179 STREAMERS WITHOUT TAILBUOYS  
A streamer without a tail buoy for a marine survey is disclosed. The method and system here relate to an embodiment where at least one streamer in a marine survey is free of tail buoys. An...
US20130301383 PORTABLE ACOUSTIC HOLOGRAPHY SYSTEMS FOR THERAPEUTIC ULTRASOUND SOURCES AND ASSOCIATED DEVICES AND METHODS  
The present technology relates generally to portable acoustic holography systems for therapeutic ultrasound sources, and associated devices and methods. In some embodiments, a method of...
US20130201797 kF.  
The invention disclosed herein relates to methods and means for locating entities, places and/or things. Various embodiments of the methods and means of the invention may be performed by and/or...
US20130163384 Stress-Relief Device for Geophysical Equipment or Node  
A stress-relief device is provided, which is configured for being mounted on a geophysical equipment or node connected to at least two cables. The device includes a case configured for surrounding...
US20120294122 OCEAN BOTTOM SEISMOMETER PACKAGE  
A marine seismic exploration method and system comprised of continuous recording, self-contained ocean bottom pods characterized by low profile casings. An external bumper is provided to promote...
US20110310704 Ocean Bottom Seismometer Package  
A marine seismic exploration method and system comprised of continuous recording, self-contained ocean bottom pods characterized by low profile casings, An external bumper is provided to promote...
US20140185410 Rigid-Stem Survey Method and System  
Disclosed are methods and systems for using a rigid-stem assembly comprising a plurality of interconnected rigid stems in a marine survey. An embodiment discloses a geophysical survey method...
US20130182531 Marine Seismic Surveying with Towed Components Below Water Surface  
A skeg mounts from the stern of a towing vessel and extends below the waterline. A channel in the skeg protects cables for steamers and a source (e.g., air gun array) of a seismic system deployed...
US20140160889 System for Measuring Shear Stress in Downhole Tubulars  
An apparatus for evaluating the possibility of casing failure in a borehole measures azimuthal changes in a property responsive to azimuthal changes in axial stress. The measurements may be of...
US20130286772 Methods and Systems for Noise-Based Streamer Depth Profile Control  
Disclosed are methods and systems for depth control of a sensor streamer. An example embodiment comprises a method for depth control of a sensor streamer. The example method may comprise towing the...
US20130121112 METHOD FOR ESTIMATING ELASTIC PARAMETERS THROUGH INVERSION OF 4D SEISMIC MEASURES  
A 4D seismic technique, where a base seismic trace is measured at a first time in a region of the subsoil, and then a monitor seismic trace corresponding to the base seismic trace is measured at a...
US20140112095 MAPPING ULTRASOUND TRANSDUCERS  
Ultrasound transducers may be mapped by varying a focus-affecting parameter and adjusting the parameter so as to improve focus quality. In some embodiments, mapping involves successively varying...
US20130229892 METHOD OF PREDICTING THE PRESSURE SENSITIVITY OF SEISMIC VELOCITY WITHIN RESERVOIR ROCKS  
A method of predicting the pressure sensitivity of seismic velocity within reservoir rocks includes defining the degree of cementation of rock as at least one of friable sand, partially cemented...
US20130088937 METHOD AND SYSTEM OF MARINE SURVEY  
Marine survey. The various embodiments includes both methods and systems. At least some of the illustrative embodiments are methods including: deploying a spreader structure from vessel into a body...
US20110096633 PORTABLE DIVER APPARATUS, COMPRISING A PORTABLE COMPUTING DEVICE AND AN ADD ON DIVER DEVICE  
A portable diving apparatus, which comprises: (a) a water proof casing which comprises an external key pad; (b) a portable computing device within said water proof casing, said portable computing...
US20130301394 CMUT ASSEMBLY WITH ACOUSTIC WINDOW  
In some implementations, a capacitive micromachined ultrasonic transducer (CMUT) apparatus includes one or more CMUTs or CMUT arrays, an acoustic window, a coupling medium, and a packaging...
US20130077436 DEVICE AND METHOD TO DETERMINE SHAPE OF STREAMER  
A method for determining a shape of a streamer to be towed under water for collecting seismic data. The method includes receiving a velocity model for the subsurface; selecting a first profile for...
US20140241115 ULTRASOUND PROBE DIAGNOSING SYSTEM AND METHOD FOR DIAGNOSING ULTRASOUND PROBE  
An ultrasound probe diagnosing apparatus for diagnosing an ultrasound probe having a probe head comprising a plurality of transducer elements is disclosed. The ultrasound probe diagnosing apparatus...
US20140269176 REDUCED-DRAG TOWING OF GEOPHYSICAL EQUIPMENT  
Techniques are disclosed relating to reducing drag on cables towed behind a vessel in a body of water. In one embodiment, an apparatus includes a signal source coupled to a survey vessel via a...
US20110103179 Hydrodynamic depressor for marine sensor streamer arrays  
A hydrodynamic foil system for a sensor streamer array includes at least two tow ropes each coupled at one end to a survey vessel and at the other end to a paravane. the paravanes configured to...
US20140241121 SYSTEMS AND METHODS FOR IMPROVING THE EFFICIENCY OF HYDROGENERATORS  
Systems and methods are provided for generating power by a hydrogenerator which can be attached to a portion of a towed marine streamer. A hydrogenerator includes: a stator configured to impart a...
US20070280050 Low frequency model estimation  
Implementations of various techniques for a seismic inversion method. In one implementation, the method may include estimating a wavelet of a recorded seismic trace at a well location, transforming...
US20120257474 Method for seismic surveying using wider lateral spacing between sources to improve efficiency  
A method for towing a marine seismic acquisition array in a body of water includes towing a plurality of laterally spaced apart sensor streamers behind a survey vessel in the water. A lateral...
US20140078864 INTRA-BED SOURCE VERTICAL SEISMIC PROFILING  
A system and method obtain a Vertical Seismic Profile (VSP). The system includes a seismic source disposed in a first borehole at a first depth greater than an identified depth of a interface, the...
US20110182140 SEISMIC SYSTEM WITH GHOST AND MOTION REJECTION  
An underwater seismic system for reducing noise due to ghost reflections or motion through the water from seismic signals. The system includes two motion sensors. One sensor has a first response...
US20110149685 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...
US20120307595 SYSTEMS AND METHODS FOR DISAMBIGUATING SHOOTER LOCATIONS WITH SHOCKWAVE-ONLY LOCATION  
The systems and methods described herein relate to an airborne shooter detection system having a plurality of sensors coupled to the body of an aircraft such as a helicopter. The sensors are...
US20090161489 Pest Deterrent  
An improved in-ground pest deterrent composed of a hollow plastic spike which houses a sonic pulse producer and is battery powered in which the sonic pulse producing circuitry is fixed and shielded...
US20140086013 METHOD FOR AN EQUIVALENT CIRCUIT PARAMETER ESTIMATION OF A TRANSDUCER AND A SONAR SYSTEM USING THEREOF  
The present disclosure relates to an active sonar system including a transmitter; a transducer; and an impedance matching circuit, and a method of estimating an equivalent model parameter of a...
US20090080288 METHOD FOR CORRECTING INPUT SEISMIC TRACES FROM DISSIPATIVE EFFECTS  
A method and apparatus for correcting an input seismic trace. The method includes receiving the input seismic trace and creating a t by Q gather using the input seismic trace, where t represents...
US20100322033 MAST-MOUNTED SONAR  
The present invention relates to a sonar surveillance system for coastal protection and port surveillance comprising: an anchoring structure; a support mast designed to be mounted on the structure...
US20120075955 EFFICIENT SEISMIC SOURCE OPERATION IN CONNECTION WITH A SEISMIC SURVEY  
An embodiment includes determining whether first and second seismic sources are ready to perform seismic sweeps. When either of the first and the second seismic sources are determined to be unready...
US20120176867 ENHANCED SONAR MOUNT SYSTEMS, STRUCTURES AND PROCESSES  
Enhanced sonar mount structures, systems, and associated processes provide accurate, precise, and repeatable alignment of a sonar head in relation to a vessel, whether in or out of water. The...
US20090268563 Acoustic System  
An acoustic system includes a sound-electro converting device, a electro-wave converting device, and a sound wave generator. The electro-wave converting device is connected to the sound-electro...
US20110292765 Method for Bispectral Picking of Anelliptical NMO Correction Parameters  
Method of determining the velocity V and anellipticity η parameters for processing seismic traces in a common midpoint (CMP) gather comprising:—a preliminary step to define a plurality of nodes (d...
US20130201788 METHOD OF SEISMIC SOURCE INDEPENDENT OPERATION  
A method of controlling seismic data acquisition may include sending a first message to place a plurality of energy sources into an operating mode; sending a second message to place at least one of...
US20130322214 ULTRASOUND-BASED LOCALIZATION OF CLIENT DEVICES IN DISTRIBUTED COMMUNICATION SYSTEMS, AND RELATED DEVICES, SYSTEMS, AND METHODS  
A plurality of spatially located ultrasound beacons are provided in known locations within a distributed communications system. Each of the ultrasound beacons is configured to emit ultrasound...