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US20110128820 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...
US20110228640 Torsional Ultrasonic Wave Based Level Measurement System  
A level measurement system suitable for use in a high temperature and pressure environment to measure the level of coolant fluid within the environment, the system including a volume of coolant...
US20120275265 BUOY FOR MARINE SURVEYS  
Buoy for marine surveys. At least some of the illustrated embodiments are a buoy including an elongated main body and a mast system coupled to the elongated main body. The mast system includes: a...
US20150063061 Piezoelectric Bender With Additional Constructive Resonance  
Embodiments related to a piezoelectric bender that comprises a spring and mass element to provide additional constructive resonance. An embodiment provides an apparatus comprising: a base plate; a...
US20110141846 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)...
US20120051175 Method for compensating marine geophysical sensor measurements for effects of streamer elongation  
A method for determining a longitudinal position of at least one geophysical sensor on a towed marine streamer includes measuring a parameter related to tension at least one position along the...
US20150085614 SYSTEM AND METHOD FOR FISH FINDING USING A SONAR DEVICE AND A REMOTE COMPUTING DEVICE  
The present invention generally relates to a fish finding sonar system. Specifically, this invention relates to a sonar device pairing with a remote computing device to provide information to an...
US20140022864 SYSTEM AND METHOD FOR FISH FINDING USING A SONAR DEVICE AND A REMOTE COMPUTING DEVICE  
The present invention generally relates to a fish finding sonar system. Specifically, this invention relates to a sonar device pairing with a remote computing device to provide information to an...
US20120236684 SENSOR ARRANGEMENT FOR DETECTING MOTION INDUCED NOISE IN TOWED MARINE ELECTROMAGNETIC SENSOR STREAMERS  
An electromagnetic sensor streamer may include a jacket, at least one electromagnetic sensor in operational communication with a voltage measuring circuit disposed inside the jacket, and at least...
US20140334267 NONLINEAR DYNAMIC FOCUSING CONTROL METHOD  
A nonlinear dynamic focusing control method includes: (1) using a minimum length in a scan line having the minimum length and a maximum length as an initial location and assigning a focal point on...
US20130155808 Method and Device for Estimating an Inter-node Distance Between Nodes Arranged Along Towed Acoustic Linear Antennas  
A method and apparatus are provided for estimating an inter-node distance between a sender node and a receiver node belonging to a network comprising a plurality of nodes arranged along towed...
US20110090759 Seismic Acquisition System  
Various technologies for a seismic acquisition system, which may include an acquisition central system configured to determine a desired start time for a sweep cycle in one or more vibrators and a...
US20140254324 SYSTEM AND METHOD FOR CLASSIFICATION OF OBJECTS FROM 3D RECONSTRUCTION  
System and method for detecting and classifying man-made objects on the seafloor using 3D reconstruction techniques. Enhanced sea floor object detection with classification is provided that is as...
US20140056111 ACOUSTIC DETECTOR  
An acoustic detector includes a cylindrical support member and a plurality of receiver elements that are disposed on a surface of the cylindrical support member. The plurality of receiver elements...
US20140098643 VERMIN REPELLING DEVICE AND METHOD  
A device and a method are provided for repelling animals, namely vermin. The device is electrically powered and includes a sound emitter; and a circuit operatively connected to the sound emitter...
US20130215713 CONNECTING DEVICE FOR WIDE TOW SURVEY  
Marine seismic survey using an array (6) of streamers (8) towed behind a vessel (2) and carrying acoustic sources (4) and sensors (10), spreading means (12, 14, 22, 23, 24) for keeping the...
US20120014220 SONAR NAVIGATION SYSTEM AND METHOD  
A method for pre-determining an underwater objects GPS position using a forward scan sonar unit linked to a boat trolling motor, magnetic compass and GPS receiver. This system determines the...
US20120113746 Noise Suppression by Adaptive Speed Regulations of Towed Marine Geophysical Streamer  
A method for towing marine geophysical sensor streamers in a body of water includes moving a towing vessel at a selected speed along the surface of the body of water. At least one geophysical...
US20130208569 SOUND-BASED WELD TRAVEL SPEED SENSING SYSTEM AND METHOD  
A weld travel speed sensing system includes at least one sound sensor configured to sense a sound generated to allow determination of a position of a welding torch. The weld travel speed sensing...
US20130235696 INTERPRETATION AND FEATURE DETECTION IN A SEISMIC VOLUME USING BUMP MAPPING AND LIGHTING  
Example embodiments of the present disclosure include one or more of a method, computing device, computer-readable medium, and system for creating a heightmap based on at least a portion of...
US20130033960 METHOD AND SYSTEM OF A CONTROLLABLE TAIL BUOY  
Controllable tail buoy. At least some of the illustrative embodiments are methods including: towing a sensor streamer and tail buoy through water, the sensor streamer defining a proximal end and a...
US20110242940 Noise suppression by adaptive speed regulation of towed marine geophysical streamer  
A method for towing marine geophysical sensor streamers in a body of water includes moving a towing vessel at a selected speed along the surface of the body of water. At least one geophysical...
US20150226844 METHOD FOR CHECKING A SURROUNDINGS SENSOR DEVICE, REFERENCE SOUND SOURCE, AND CORRESPONDING SURROUNDINGS SENSOR DEVICE  
A method for checking a surroundings sensor device including the following: transmitting a reference sound signal by a reference sound source; detecting the reference sound signal by a receiving...
US20120163126 Ultrasonic/acoustic transducer  
A transducer 1b comprising a vibrator body 2b for generating and/or receiving acoustic or ultrasonic waves, acoustically coupled to a second part 4 for generating and/or receiving acoustic or...
US20130044566 Seismic Source Controller and Display System  
A seismic survey system for performing offset borehole seismic survey measurement operations. The system may include a first seismic survey subsystem having a first wireless digital communication...
US20130286774 STREAMER CABLE WITH ENHANCED PROPERTIES  
The present invention relates to streamer cables. One embodiment of the present invention relates to a method for preparing a streamer cable. The method may comprise retrofitting the streamer...
US20110103188 SYSTEM AND METHOD TO EXTEND DEEP WATER CORRELATION SONAR SYSTEMS TO SHALLOW DEPTHS  
In an embodiment, a correlation SONAR system is adapted for use in shallow water. A pulse generator transmits an initial burst of pulses towards a bottom of a body of water. Echoes of the initial...
US20100309750 Sensor Assembly  
An assembly for passive detection of features at known locations of a conduit. The assembly is a sensor assembly particularly well suited for detection of casing collars at known locations of...
US20140226440 DEPLOYMENT OF SEABED DEVICE  
A method of deploying a device to the seabed with a submersible vehicle, the vehicle having a hull which defines a hull axis and appears substantially annular when viewed along the hull axis. The...
US20100131133 UNMANNED BOAT AUTOMATIC SURVEY SYSTEM AND UNMANNED BOAT AUTOMATIC SURVEY METHOD  
The present invention is about an unmanned boat automatic survey device and an unmanned boat automatic surveying method that automatically generate survey routes and automatically survey...
US20140340985 Gas Spring Compensation Marine Acoustic Vibrator  
Embodiments related to restriction of gas flow in a marine acoustic vibrator to compensate for gas spring effects. An embodiment provides a marine acoustic vibrator, comprising: an outer shell;...
US20110176385 DUAL-SENSOR NOISE-REDUCTION SYSTEM FOR AN UNDERWATER CABLE  
A system and a method for rejecting noise in an underwater sensor cable, such as a towed streamer or an ocean-bottom cable. An adaptive hydrodynamic model of the cable produces an estimated sensor...
US20130155814 CRITICAL REFLECTION ILLUMINATIONS ANALYSIS  
The illumination/imaging of a theorized target horizon that is below a theorized velocity contrast horizon where the velocity contrast horizon may represent the bottom of a salt dome by assessing...
US20110205839 Method for towing marine sensor streamers  
A method for operating a geophysical sensor streamer in body of water includes operating a remotely operated vehicle coupled to a forward end of the streamer to tow the streamer in the water....
US20090257314 ACOUSTIC WIDE AREA AIR SURVEILLANCE SYSTEM  
A method and apparatus for detecting an aircraft. The method is provided for wide area tracking of aircraft. An acoustic emission of the aircraft is detected from a plurality of locations. A...
US20060235573 Well Pump Controller Unit  
In the oil production industry one objective of the field operator is to streamline their oil pumping operations for the more efficient production. The current invention is a controller device...
US20140126331 ACOUSTIC TELEMETRY WITH DISTRIBUTED ACOUSTIC SENSING SYSTEM  
An acoustic telemetry method for use with a subterranean well can include positioning a well tool in the well, the well tool including an acoustic transmitter and a sensor, and an acoustic...
US20090034369 Direct current ultrasonic pest deterrent system  
An ultrasonic pest deterrent system is described. An embodiment of the present invention produces ultrasonic sound waves using a direct current power source and can vary the frequency of the...
US20090133502 Document Monitoring Device  
A document monitoring device comprises an ultrasonic transmitter (20) and an ultrasonic receiver (22) positioned on opposite sides of a document inspection position. A control system (5) is...
US20120176866 ULTRASONIC SENSOR  
An ultrasonic sensor includes a transceiver device for transmitting and receiving ultrasonic waves; a circuit board mounted with an electronic circuit processing ultrasonic signals transmitted and...
US20150241561 METHOD FOR IMPROVING PERFORMANCE OF A SODAR SYSTEM  
A method is disclosed for improving performance of a Sodar system adapted to locate discontinuities in the atmosphere by transmitting pulse compression signals such as plural acoustic chirps. The...
US20110075517 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...
US20140211589 UNDERWATER NODE FOR SEISMIC SURVEYS AND METHOD  
A method, system and a marine node for recording seismic waves underwater. The node includes a first module configured to house a seismic sensor; bottom and top plates attached to the first...
US20050286346 High intensity directional electroacoustic sound generating system for communications targeting  
A compact lightweight electro-acoustic transducer system for generating high intensity, highly directional audio output. The transducer system can generate acoustic intensity levels that can drive...
US20090213690 Composite Transducer for Downhole Ultrasonic Imaging and Caliper Measurement  
A transducer assembly for downhole imaging includes a 1-3 Piezoelectric composite transducer of high Q ceramic rods in a polymer matrix. The assembly also includes a TeflonĀ® window, a fluid-filled...
US20150009779 METHOD AND DEVICE FOR MARINE SEISMIC ACQUISITION  
Method and system for improving offset/azimuth distribution. The system includes plural streamers towed by a streamer vessel; a central source towed by the streamer vessel; first and second front...
US20140169126 METHOD AND DEVICE FOR MARINE SEISMIC ACQUISITION  
Method and system for improving offset/azimuth distribution. The system includes plural streamers towed by a streamer vessel; a central source towed by the streamer vessel; first and second front...
US20130114373 METHOD AND DEVICE FOR MARINE SEISMIC ACQUISITION  
Method and system for improving offset/azimuth distribution. The system includes plural streamers towed by a streamer vessel; a central source towed by the streamer vessel; first and second front...
US20130094328 METHOD FOR CONTROLLING TRANSDUCERS OF AN ULTRASONIC PROBE, CORRESPONDING COMPUTER PROGRAM AND ULTRASONIC PROBE DEVICE  
A method for controlling ultrasonic transducers of an ultrasonic probe for inspecting an object includes: iterated at least twice, receiving from the transducers new measurement signals; measuring...
US20130343162 Hydrophone Signal Limiting Shunt Switch  
The present invention concerns a hydrophone signal limiting shunt switch, electrically associated and physically conjoined with a conventional hydrophone, for limiting hydrophone signal...