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8995229 Determining a position of a submersible vehicle within a body of water  
Methods and apparatus determining a position of a submersible vehicle within a body of water are provided. A method comprises determining an initial position of the vehicle while the vehicle is at...
8995222 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...
8995230 Method of extracting zero crossing data from full spectrum signals  
Methods and apparatus for using Fourier techniques to detect and isolate the fundamental frequency sweep of echolocation calls produced by bats, or of other narrow-band whistles as produced by...
8995231 Oscillator in liquid  
A oscillator in a liquid includes an actuator element oscillating in a reciprocating manner, and a sound-producing element attached to the actuator element, whereby the actuator element generates...
8994925 Optical distance measurement device  
Optical range finders are configured to transmit optical bursts toward a target and detect a corresponding received burst. DC offset in the received burst due to square law detection can be offset...
8995689 Electronic device circuitry for communicating with accessories  
Electronic devices and accessories such as headsets for electronic devices are provided. A microphone may be included in an accessory to capture sound for an associated electronic device. Buttons...
8995225 Pivoting ultrasonic probe mount and methods for use  
A device for conducting ultrasonic inspections comprises a base. In addition, the device comprises a probe housing pivotally coupled to the base with a suspension system. Further, the device...
8995220 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...
8995223 Method for removing Scholte waves and similar ground roll type waves from seismic sea bottom data shallow waters  
The various embodiments of the present invention provide a method for removing a Scholte waves and similar ground roll type waves from a seismic sea bottom data in a shallow water. The method...
8990002 Method and apparatus for determining the relative position of a target  
A method, apparatus and system are provided to permit an aerial asset to determine its current location and to, in turn, locate and track a target even as efforts are made by others to jam or...
8988971 Ultrasonic transducer for use in a fluid medium  
An ultrasonic transducer for use in a fluid medium includes at least one housing having at least one inner space, at least one transducer core accommodated in the inner space, having at least one...
8988972 Variable shock wave bio-oil extraction system  
A variable shock wave bio-oil extraction system and method utilizes shock waves to separate oil, water, and biomass from feedstock in a single step. In one embodiment, at least one pair of...
8988969 Detection of cross bores involving buried utilities  
Evaluating utilities involves generating an acoustic or seismic source signal, communicating the source signal to a first underground utility, moving a receiver through a second underground...
8985046 Foldable wing for streamer steering device and method  
A streamer steering device to be attached to a streamer or a source of a marine seismic survey system. The streamer steering device includes a casing configured to be attached to the streamer or...
8990217 Lossless compression of high nominal-range data  
A method for receiving a data stream that includes data samples, each data sample having one of a plurality of actual values. For each data sample in the data stream, a first index in a dictionary...
8984945 System and device for acoustic measuring in a medium  
A device for acoustic measuring in a medium in a borehole such as velocity of sound in the medium or velocity of the medium, includes at least a first acoustic array situated in a first, slanted...
8987844 MEMS device and process  
A MEMS capacitive transducer with increased robustness and resilience to acoustic shock. The transducer structure includes a flexible membrane supported between a first volume and a second volume,...
8988968 Seismic cable structure  
There is described an optical seismic cable (2) comprising a number of sensor units (5) spaced along the length of the cable and a number of connection units (4) spaced along the length of the...
8988970 Method and system for dereverberation of signals propagating in reverberative environments  
The dereverberation of signals in reverberating environments is carried out via acquiring the representation (image) of spatial distribution of the signals in space of interest and automatic...
8982671 Seismic energy sources and methods of use  
The present disclosure provides embodiments seismic energy sources configured to generate enhanced shear wave energy in order to more accurately determine the distribution and orientation of...
8982667 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...
8982669 Method for detecting objects  
In a method for detecting objects, at least one sensor emits a transmitting pulse as a wave, particularly as an acoustic or an electromagnetic wave, which wave is reflected at least partially by...
8982662 Multi-component, acoustic-wave sensor and methods  
A multi-component sensor of a fluid-borne acoustic wave that senses pressure and up to three orthogonal particle motion components. The sensor is unresponsive to motion of the sensor mount....
8982668 Semiconductor device and method of forming same for correlation detection  
In an embodiment a semiconductor device correlates a received signal with a known pattern. A correlation output is used as a basis for forming a confidence reference level. The confidence...
8982670 Multi-sensor event detection system  
Systems and methods to determine and ascertain the occurrence of an event are provided. The event can manifest its presence through transient signatures that alter short or long term background...
8980670 Electromechanical transducer and method of manufacturing the same  
An electromechanical transducer includes multiple elements each including at least one cellular structure, the cellular structure including: a semiconductor substrate, a semiconductor diaphragm,...
8981586 Systems and methods to harvest fluid energy in a wellbore using preloaded magnetostrictive elements  
A magnetostrictor assembly (100) includes a magnetostrictor element (105), a conductor coupled to the magnetostrictor element, and a bluff body (101) coupled to the magnetostrictor element via a...
8981971 Wavelet-based seismic data compression  
This invention is for a method for transforming a seismic trace into a compressed domain. The seismic source wavelet is transformed into a zero degree phase wavelet and a shifted 90 degree phase...
8982664 Optimal source signature determination  
The invention relates to processing seismic data that includes signals from at least two sources and typically three or four sources where source separation is necessary for geophysical analysis....
8982665 Dithered slip sweep vibroseis acquisition system and technique  
A technique includes generating vibroseis sweeps for a vibroseis survey to produce seismic data acquired in response to seismic signals produced by the sweeps. The generation of the vibroseis...
8983093 Electronic device circuitry for communicating with accessories  
Electronic devices and accessories such as headsets for electronic devices are provided. A microphone may be included in an accessory to capture sound for an associated electronic device. Buttons...
8982663 Subsurface imaging systems and methods with multi-source survey component segregation and redetermination  
A disclosed subsurface imaging method begins by obtaining initial signals from a geophysical survey that has been acquired with multiple geophysical energy sources actuated in a plurality of...
8981957 Method and apparatus for remotely controlling downhole tools using untethered mobile devices  
Remote operation of downhole tools in a subterranean wellbore is performed by inserting untethered, mobile devices sequentially into the wellbore. The mobile devices can include motive means,...
8982931 RF puck  
An RF module including transmitting, receiving, and processing elements, capable of operating in a standalone mode or as part of an array of similar or identical modules. The RF module includes a...
8983141 Geophysical data texture segmentation using double-windowed clustering analysis  
An automated method for texture segmentation (11) of geophysical data volumes, where texture is defined by double-window statistics of data values, the statistics being generated by a smaller...
8982666 Methods for seismic fracture parameter estimation and gas filled fracture identification from vertical well log data  
Methods for fracture characterization of unconventional formations are provided. Synthetic seismic fracture responses can be generated based on the derived fracture parameters. The synthetic...
8976017 Method for inspecting down hole drilling systems for flaws using ultrasonics  
A method for inspecting down hole drilling systems for identifying indications of flaws in material. The method can include removing particulate, disposing a wave coupling medium on an area of...
8973442 Ultrasonic sensor  
An ultrasonic sensor, including a diaphragm cup, a housing and a decoupling element, the diaphragm cup and housing having a lateral surface, the decoupling element being at least partially made...
8976624 System and method for processing seismic data for interpretation  
A method is provided for processing seismic data for interpretation. The method includes recording an original seismic data trace, decomposing the original seismic data trace into a set of...
8973702 Volumetric piezoelectric seismic wave source and related methods  
Seismic wave sources and related methods are provided. A seismic wave source includes a housing, plural pillars and an excitation system. The housing is split in two halves along a plane including...
8976056 Ice data collection, processing and visualization system  
Autonomous Underwater Vehicles (AUV) collect and transmit information about ice floe thickness; this is combined with SYNTHETIC APERTURE RADAR images from satellites to identify and track...
8976626 Seismic wave emitting device for marine seismic acquisition and method for implementation thereof  
The invention concerns a device for emitting seismic waves designed to operate by being towed by a vessel. The device of the invention comprises a support of elongated shape; at least one seismic...
8976622 Methods for controlling towed marine sensor array geometry  
A method for towing a streamer array includes moving a vessel along a body of water. Streamers are towed by vessel. A relative position is determined at selected points along each streamer with...
8976625 Optimization approach to Q-factor estimation from VSP data  
A zero-offset VSP survey is carried out with spaced apart receivers located in a vertical wellbore. Spectra of the signals at the receivers following wavefield separation are estimated. An...
8976627 Micro-geophone  
A micro geophone having pole pieces do not extend out around the sides of the magnet, thereby allowing a reduced geophone diameter for a given magnet diameter. The pole pieces are adhesively...
8976623 Towing methods and systems for geophysical surveys  
Disclosed are methods and systems for controlling spread and/or depth in a geophysical survey. An embodiment discloses a method for geophysical surveying, comprising: towing two streamers...
8971152 Device for marine seismic explorations for deposits  
An air gun for use in generating seismic energy impulses operable at pressures below 1000 psi that reduces high frequencies and cavitation around the discharge of the air gun in order to mitigate...
8971151 Ultrasound probe and ultrasound diagnosis apparatus  
An ultrasound probe is provided that includes piezoelectric bodies, each of which is provided with electrodes on the front surface on the side from which ultrasound is emitted and a rear surface...
8968205 Sub-aperture control in high intensity focused ultrasound  
Sub-aperture control is provided for high intensity focused ultrasound. Test transmissions are made sequentially from different sub-apertures. The tissue response at the focal regions is...
8971150 Method for measuring sea waves by means of ultrasonic waves, as well as sea wave measuring system  
A method for measuring sea waves includes: transmitting ultrasonic waves from an ultrasonic transmitter 2 provided on a buoy 1 into the sea, and receiving the ultrasonic waves from three...