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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,...
US20140334261 METHOD AND SYSTEM FOR MICROSEISMIC EVENT LOCATION ERROR ANALYSIS AND DISPLAY  
According certain aspects, embodiments of the invention consider the problem of microseismic event localization from a parameter estimation perspective, and include a method and system for...
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...
US20140328138 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...
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...
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...
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...
US20150219776 HYDROPHONE  
This disclosure is related to hydrophones, for example hydrophones that may be used in marine seismic surveying, permanent reservoir monitoring, downhole acoustic monitoring in a wellbore, and/or...
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...
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...
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...
US20150117150 IN-PHASE PRECURSOR SEISMIC SWEEP  
Various implementations described herein are directed to a method of performing a seismic survey operation. The method may include deploying two seismic sources. The method may include using the...
US20140286126 CONTROL SYSTEM FOR POSITIONING OF MARINE SEISMIC STREAMERS  
A method of controlling a streamer positioning device (18) configured to be attached to a marine seismic streamer (12) and towed by seismic survey vessel (10) and having a wing and a wing motor...
US20150207204 SURFACE ACOUSTIC WAVE TRANSPONDER PACKAGE FOR DOWN-HOLE APPLICATIONS  
A method and apparatus for packaging surface acoustic wave transponders for use in down-hole or other extreme environmental applications. An exemplary ID tag transponder may include a surface...
US20140254316 System and Method for Seismic Surveying Using Distributed Sources  
Disclosed are methods and systems for marine surveying that use electrically powered seismic sources that are distributed at spaced apart locations. In one example, a marine seismic survey system...
US20120014221 MONOLITHIC FLEXURE PRE-STRESSED ULTRASONIC HORNS  
A monolithic ultrasonic horn where the horn, backing, and pre-stress structures are combined in a single monolithic piece is disclosed. Pre-stress is applied by external flexure structures. The...
US20110211424 Acoustic Transducer for Swath Beams  
A swath beam acoustic transducer (100) for projecting and/or receiving acoustic swath beams (108). The transducer comprises an array of active acoustic elements (104) that are arranged to...
US20080043573 Generalized 3D Surface Multiple Prediction  
A method and apparatus for predicting a plurality of surface multiples for a plurality of target traces in a record of seismic data. In one embodiment, the method includes creating a file...
US20150049585 ACOUSTIC LOGGING SYSTEMS AND METHODS EMPLOYING MULTI-MODE INVERSION FOR ANISOTROPY AND SHEAR SLOWNESS  
Acoustic logging systems and methods are provided with multi-mode inversion for at least vertical shear slowness and shear anisotropy. At least some method embodiments acquire waveforms for...
US20090245018 COMBINED PROBE AND CORRESPONDING SEISMIC MODULE FOR THE MEASUREMENT OF STATIC AND DYNAMIC PROPERTIES OF THE SOIL  
A combined probe includes a dilatometer probe, a gas conduit coupled to the dilatometer probe for providing a gas connection between the dilatometer probe and an external gas source, a wire...
US20140177387 MARINE SEISMIC SURVEYS USING CLUSTERS OF AUTONOMOUS UNDERWATER VEHICLES  
A seismic survey system records seismic signals during a marine seismic survey. The system includes first and second clusters, each including a set of autonomous underwater vehicles (AUVs); each...
US20080002525 Rotary pulser  
An improved energy efficient intelligent rotary pulser for generating a mud pulse in a MWD (measurement while drilling) application. In the rotary pulser, a control circuit activates a brushless...
US20150009782 ULTRASOUND PROBE AND METHOD OF OPERATING AN ULTRASOUND PROBE  
An ultrasound probe contains an ultrasound transducer arrangement that is formed with a plurality of transducer elements. The transducer elements are arranged next to one another in a row and they...
US20120057428 CALIBRATION OF ULTRASOUND PROBES  
A method of calibrating an ultrasound probe includes mounting an ultrasound probe onto a calibration system, transmitting an ultrasound test signal from an element of the probe through a test...
US20110292760 SEISMIC EQUIPMENT HANDLING  
Launch and retrieval equipment for use in seismic testing and methods for seismic testing are described. Elements of the equipment may include a pivoting frame to hold the seismic equipment,...
US20110205840 SEISMIC EQUIPMENT HANDLING  
Launch and retrieval equipment for use in seismic testing and methods for seismic testing are described. Elements of the equipment may include a pivoting frame to hold the seismic equipment,...
US20120107051 Subsea Recovery of Swabbing Chemicals  
Apparatus and methods are described for subsea pipeline servicing, including dewatering and chemical containment. A subsea pipeline service skid has a containment bladder affixed to the skid and...
US20110280102 METHODS FOR MAKING ACOUSTIC ANISOTROPY LOGGING WHILE DRILLING MEASUREMENTS  
A method for determining an acoustic anisotropy of a subterranean formation includes measuring acoustic wave slownesses at three or more toolface angles while rotating a logging while drilling...
US20110273966 Reducing Noise in Seismic Surveying Environment  
In one embodiment of the invention a method includes (a) operating a combustion engine at a first activity level corresponding to a first noise level; (b) charging an accumulator with a first...
US20110172920 PROCESS FOR GENERATING SPATIALLY CONTINUOUS WIND PROFILES FROM WIND PROFILER MEASUREMENTS  
A neural network process for improving wind retrievals from wind profiler measurements is described. In this invention, a neural network is trained to retrieve (missing or incomplete) upper level...
US20140355374 PORTABLE ULTRASOUND IMAGING DEVICES  
A portal ultrasound imaging apparatus having an adjustable hinge assembly, which includes a key having a narrower end and an end wider in the circumferential direction of the hinge assembly. The...
US20110103180 Solid Seismic Streamer cable and Method  
An apparatus includes a streamer cable having one or more seismic devices disposed within a polymer body and about a core. The polymer body includes a channel defined therein for receiving one or...
US20120147705 Occupancy Sensing With Selective Emission  
An occupancy sensing system includes a driver to emit energy in a space, and a sensor to detect energy reflected within the space. An electrical load for the space is controlled in response to an...
US20120294120 ULTRASONIC SPEAKER, PARAMETRIC SPEAKER HAVING THE SAME AND VEHICLE PROXIMITY ANNUNCIATOR DEVICE HAVING THE SAME  
An ultrasonic emission device is accommodated in a housing for generating an ultrasonic wave. The housing has an ultrasonic emission port for emitting the ultrasonic wave from the ultrasonic...
US20090147624 Sound Collection Environment Deciding Device, Sound Processing Device, Electronic Appliance, Sound Collection Environment Deciding Method and Sound Processing Method  
A sound collection environment deciding device for deciding whether the sound was collected in air or in water by utilizing an audio signal of collected sound is provided. Methods of Utilizing the...
US20120199397 System and Method for Determining Pressure Transition Zones  
A method and apparatus for estimating a pressure transition zone in a borehole is disclosed. A parameter indicative of formation fluid pressure at a plurality of borehole depths is measured. A...
US20150109885 METHOD FOR CORRECTING FIRST BREAK ARRIVAL TIME  
The present disclosure cointegrates the traveltimes obtained from checkshot survey and integrated sonic log in obtaining a corrected traveltimes to more accurately determine the first break in...
US20130100773 WIDE-AREA WIND VELOCITY PROFILER  
A wide-area wind velocity profiler, which includes two or more active sound sources and at least one receiver module, in a bistatic SODAR configuration. The profiler measures wind velocities in...
US20130272090 Towing Methods and Systems for Geophysical Surveys  
Disclosed are methods and systems for towing one or more electromagnetic sensor streamers from deflectors in an additional geophysical sensor streamer spread. An embodiment discloses a marine...
US20150153469 Method and System for Streamer Depth Control  
Depth and tilt control systems for geophysical sensor streamers and methods of use are discussed. Such systems may include a plurality of tilt sensors disposed at spaced apart locations along the...