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US20100020644 SEISMIC STREAMER FORMED OF SECTIONS COMPRISING A MAIN SHEATH COVERED WITH AN EXTERNAL SHEATH FORMED USING A THERMOPLASTIC MATERIAL LOADED WITH A BIOCIDE MATERIAL  
Described herein is a seismic streamer formed of sections including a main sheath covered with an external sheath, wherein said external sheath is formed using a thermoplastic material loaded with...
US20100039898 ACOUSTIC TELEMETRY SYSTEM USING PASSBAND EQUALIZATION  
An embodiment includes a method comprising receiving an acoustic signal that is modulated along a jointed tubing. The method also includes performing equalization over a passband of the acoustic...
US20150192010 ACOUSTIC TELEMETRY STACKED-RING WAVE DELAY ISOLATOR SYSTEM AND METHOD  
A stacked-ring, slow-wave acoustic telemetry isolation system and method for use with tubular assemblies such as drillpipe or production tubing comprising an acoustic wave transmitter, the...
US20150085608 Air-Spring Compensation in a Piston-Type Marine Vibrator  
Embodiments relate to the restriction of gas flow in a piston-type marine vibrator to compensate for air-spring effects. An embodiment provides marine vibrator comprising: a containment housing; a...
US20120002507 METHOD FOR DETERMINING DIFFERENCE IN DISTANCE  
The invention consists of a method which comprises a plurality of steps for determining difference in distance from a reference point to at least two sensor modules 10, 20 that are located under...
US20130308422 CONSTANT ENERGY DISPLACEMENTS  
An electric sweep type seismic vibrator source of the type used in seismic prospecting for hydrocarbons is provided. In one example, the source uses an engine and generator combination to create...
US20110317516 SEISMIC STREAMER PLATFORM  
A technique includes designing a streamer, which includes a cable and seismic sensors based at least in part on a relationship between vibration noise and a bending stiffness of the cable.
US20130077438 METHODS AND SYSTEMS FOR ATTENUATING NOISE GENERATED AT FIXED LOCATIONS  
Systems and methods according to these exemplary embodiments provide for attenuating noise which interferes with recordings of a seismic source. A method includes: generating a reference trace for...
US20110061554 Acoustic Shotgun System  
A high velocity acoustic signal producing underwater shotgun system for dispersing a plurality of relatively small supercavitating projectiles over a wide spatial field at long range using the...
US20100142325 MEMS MICROPHONE  
A MEMS microphone comprising: a) a case with an open front side;b) a MEMS membrane mounted on one face of a base, the base being mounted inside the case on a substantially closed side; andc) a...
US20080151692 Low Cost Acoustic Responder Location System  
A location system including a base station (120, 200) and a responder tag (140, 250) that communicate using an acoustic signal to determine the location of the tag in a bounded 3D space (100). The...
US20080008043 Method for determining a position of an object  
A method for determining a mutual distance between two objects in a pipeline. The method includes the steps of: providing a pipeline which is filled with a medium having an acoustic impedance...
US20120314535 SYSTEM AND METHOD OF A MARINE SURVEY USING VERTICALLY ORIENTED SENSOR STREAMERS  
Marine surveys using vertically oriented sensor streamers. At least some embodiments are vertically oriented sensor streamers where each sensor streamer includes: an elongated outer jacket; a...
US20150170634 Acoustic Logging Apparatuses and Methods  
An apparatus is used in cementing and perforating casing in a borehole. A cement head disposed on the casing has first and second containers. A first plug positioned in the first container deploys...
US20110261645 Non Explosive Process and Device for Triggering an Avalanche  
The invention comprises a synergy of technology integrations including an acoustic device and method of using said device(s)—to initiate avalanche release as a non-explosive control alternative....
US20140036627 LOUDNESS BASED METHOD AND SYSTEM FOR DETERMINING RELATIVE LOCATION OF AN ACOUSTIC EVENT ALONG A CHANNEL  
A method for determining relative location of an acoustic event along a channel such as a wellbore includes obtaining two acoustic signals at are obtained at two different and known depths in the...
US20060256652 Method for seismic acquisition on the seabed, guiding equipment, seismic acquisition equipment and seismic acquisition system for the implementation of this method  
The invention relates to a method for acquiring seismic data at a plurality of positions spread out over a zone on the seabed. The method according to the invention comprises the following steps:...
US20110075513 LOCATOR SYSTEM AND METHOD INCLUDING NODE AND TARGET ACQUISITION  
The present disclosure relates to a method and system for finding and physically altering underground targets. Multiple nodes are dispersed into the ground and determine their spatial orientation...
US20090034367 DYNAMICALLY ALLOCATING DIFFERENT NUMBERS OF BITS TO WINDOWS OF A SERIES REPRESENTING A SEISMIC TRACE  
To process seismic data, a set of data values representing a seismic trace is received, and amplitudes of data values associated with plural groups in the set are analyzed. Different numbers of...
US20080298173 Wide area seabed analysis  
A seabed region (18) that lies under a seabed surface area of over one square meter, is analyzed by comparing a core sample taken near the middle of the region and/or data from a geotechnical...
US20140269194 Three Dimensional Touch by Acoustic Waves  
The three-dimensional touch system by acoustic waves comprises of a plurality of sensors and their controllers. The three-dimensional touch system implements the any or a combination of three...
US20130329522 LOCATION OF DOWNHOLE LINES  
A method of determining an azimuthal orientation of a well tool relative to a line in a well can include connecting at least one acoustic source to the well tool, the acoustic source having a...
US20140104984 FLARED PSEUDO-RANDOM SPIRAL MARINE ACQUISITION  
A method for acquisition of seismic data in a marine environment.
US20060218021 Insurance premium rate setting support system  
An insurance premium rate setting support system is composed of a computer and includes: a probability-increase/strong-influence location coefficient setting section which sets a...
US20150194143 TRANSDUCER SUPPORT, ULTRASOUND PROBE, AND ULTRASOUND IMAGING APPARATUS  
The present disclosure provides a transducer support, ultrasound probe, and ultrasound imaging apparatus. The ultrasound transducer support includes a first layer having first areas in which heat...
US20140241120 MARINE SEISMIC APPARATUS WITH MARINE GROWTH RETARDANT AND METHODS THEREFOR  
Embodiments describe methods, devices and systems for marine seismic surveying which prevent or inhibit marine growth thereon. Towed seismic array elements which can become fouled given their...
US20140204715 ACOUSTIC POSITIONING SYSTEM AND METHOD  
An acoustic positioning device includes an acoustic emitter and receiver. The device emits a sequence of at least one first acoustic signal (S1) and one second acoustic signal (S2), separated by a...
US20150117146 SOLID STREAMER LONGITUDINAL BODY APPARATUS AND METHOD OF USE THEREOF  
Streamers used in mapping strata beneath a marine body are described, such as in a flexible neutrally buoyant towed array. A streamer cable is described using polyurea, within a sleeve, where the...
US20120259553 Method for eliminating spectral constraints of acquisition system and earth filtering effects  
Recorded seismic data are represented as a convolution of operators representing a reflectivity series of the earth and a seismic wavelet. The recorded seismic wavelet is represented as a...
US20120294114 ACOUSTIC TELEMETRY OF SUBSEA MEASUREMENTS FROM AN OFFSHORE WELL  
Sensor and communications systems are disclosed for communicating measurements from subsea equipment, such as at an offshore well, to the surface. A sensor for a physical parameter, such as...
US20080159079 Remotely Operable Game Call or Monitoring Apparatus  
A came call and/or monitoring apparatus is disclosed that includes a handheld central unit and one or more remote modules. The central unit includes a user input and a display screen, and...
US20110205841 Acoustic Transducer with a Backing Containing Unidirectional Fibers and Methods of Making and Using Same  
The disclosure, in one aspect, provides an apparatus that includes an acoustic transducer and a backing in contact with a side of the transducer. The backing includes substantially unidirectional...
US20070132606 Channel Equalization for Mud-Pulse Telemetry  
Channel estimation and signal equalization is used in a mud-pulse telemetry system for uplink communication during drilling of wellbores.
US20070211574 Parametric Loudspeaker System And Method For Enabling Isolated Listening To Audio Material  
A virtual headset for enabling isolated listening to audio material by a listener without need for earphones or other physical audio producing devices attached to the listener. The virtual headset...
US20110103192 Clock(s) as a seismic wave receiver  
A machine for detecting earthquake precursory signals that comprises a spring loaded balance wheel that is in reality an oscillating seismometer, the oscillating seismometer employed as a local...
US20080239872 Wireless Logging of Fluid Filled Boreholes  
A predetermined condition in a fluid-filled wellbore system can be detected by generating at least one sound in the wellbore system in response to the condition, such that a detectable change is...
US20080170469 Stabilizing remote clocks in a network  
The present invention utilizes signals such as interrogate commands generated from a Master Clock or other High Precision Clocks in a distributed sensor data acquisition system featuring a...
US20130163375 FACILITATING OPERATION OF A SEISMIC SOURCE  
A technique facilitates use of a seismic source when deployed in-sea via a vessel. Shock levels acting on the vessel (or other body) due to firing of a seismic source and/or the separation...
US20110134719 METHODS, APPARATUS AND ARTICLES OF MANUFACTURE TO DETERMINE ANISOTROPY INDICATORS FOR SUBTERRANEAN FORMATIONS  
Example methods, apparatus and articles of manufacture to determine anisotropy indicators for subterranean formations are disclosed. A disclosed example method includes computing a first shear...
US20080291784 Acoustic Wave Sensor  
In an acoustic wave sensor for detecting a distance to an object and an orientation where the object is located with using acoustic waves, an acoustic wave generating device generating an acoustic...
US20110044130 SEISMIC SENSOR HOLDER AND METHOD  
An apparatus includes a streamer having one or more sensor holders for retaining seismic sensors therein. The sensor holders have a reduced cross-sectional area to increase gel continuity and...
US20060198245 Electronic insect repelling device  
A personal electronic insect repelling device is. An electronic circuit supported to the underside of a brim of a hat produces a sonic signal directed towards the body of a person wearing the hat....
US20080186803 Fluid filled sensor mount for gel-filled streamer and streamer made therewith  
A seismic streamer includes a jacket covering an exterior of the streamer. At least one strength member extends along the length of the jacket inside the jacket. At least one seismic sensor is...
US20110013481 METHOD AND APPARATUS FOR DETECTING MARINE DEPOSITS  
Noise compensation in controlled source electromagnetics (CSEM) comprises measuring time-varying magnetic gradients of the marine environment subjected to CSEM. From the measured magnetic...
US20150185344 METHODS AND SYSTEMS OF DETERMINING A FAULT PLANE OF A MICROSEISMIC EVENT  
The present disclosure includes a method of passive seismic data processing comprising determining a moment tensor for each of a plurality of microseismic events using an inversion algorithm and...
US20080285388 Control device for electronic appliance and control method of the electronic appliance  
An electronic appliance includes a microphone which detects a clapping sound, an edge signal extractor, an edge pulse generator and a judgment processing circuit. The judgment processing circuit...
US20110063950 VIBRATION GENERATION AND DETECTION IN SHEAR WAVE DISPERSION ULTRASOUND VIBROMETRY WITH LARGE BACKGROUND MOTIONS  
A method for measuring a mechanical property of a subject includes using an ultrasonic transducer to apply ultrasonic vibration pulses to a vibration origin in the subject in an on-off time...
US20090086574 Superheterodyne seismic vibrator and method  
A seismic energy source includes at least a first and a second acoustic radiator operatively coupled to a non-linear medium proximate an upper limit of formations in the Earth's subsurface. The...
US20140112100 AIR HAMMER OPTIMIZATION USING ACOUSTIC TELEMETRY  
A system and method of optimizing air hammer performance in a well drilling rig whereby an electronic acoustic receiver (EAR) is used to monitor the effects of changing any of the operating...
US20110141852 AIR HAMMER OPTIMIZATION USING ACOUSTIC TELEMETRY  
A system and method of optimizing air hammer performance in a well drilling rig whereby an electronic acoustic receiver (EAR) is used to monitor the effects of changing any of the operating...