Real Time Touch



new TOP 200 Companies filing patents this week

new Companies with the Most Patent Filings (2010+)




Real Time Touch

Similar
Filing Names

Pgs Geophysical As
Pgs Geophysical As_20131212

Pgs Geophysical As patents


Recent patent applications related to Pgs Geophysical As. Pgs Geophysical As is listed as an Agent/Assignee. Note: Pgs Geophysical As may have other listings under different names/spellings. We're not affiliated with Pgs Geophysical As, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "P" | Pgs Geophysical As-related inventors


Seismic noise mitigation system and method

A seismic noise mitigation method. The method comprises identifying a wavenumber of a component in a residual wavenumber spectrum having a largest norm based on a preconditioned residual wavenumber spectrum. A contribution to the residual wavenumber spectrum from the identified wavenumber component, is subtracted therefrom. A next residual wavenumber spectrum... Pgs Geophysical As

Optical filter

A device. At least some example embodiments are a device including a filter element configured to receive optical energy from a first optical fiber. The filter element is reflective in a preselected band of optical wavelengths. A first lens is configured to receive optical energy transmitted through the filter element.... Pgs Geophysical As

Performing geophysical surveys using unmanned tow vessels

Techniques are disclosed relating to towing source elements and geophysical sensors through a body of water using one or more unmanned tow vessel. In some embodiments, a plurality of unmanned tow vessels are configured to tow one or more signal sources and/or one or more streamers. The plurality of unmanned... Pgs Geophysical As

Streamer filler material and process

This disclosure presents a streamer filler material that is a low density gel formed from a two-part, mix-curable polymer, and methods of making streamers using such materials. One embodiment of the filler material features a two-part silicone gel mixed with a paraffinic oil. The two-part silicone gel can make up... Pgs Geophysical As

Pressure compensation for a marine vibrator

A marine vibrator assembly includes a vibrational source; a hose connectable between the vibrational source and a gas source; and a releasable coupling between the hose and the vibrational source. A method of operating a marine vibrator assembly includes deploying a vibrational source into a body of water at a... Pgs Geophysical As

Molded snap-in plug and device and using same

A harness plug and methods of use. Example devices include an arcuate portion and a lateral portion disposed at an outer periphery of the arcuate portion. The arcuate portion is configured to engage with arcuate portion of a hole within a spacer. A method of using the harness plug includes... Pgs Geophysical As

Streamer manufacturing

A method of manufacturing a streamer section. The method includes coupling together a plurality of prefabricated harness modules. A harness module includes a plurality of geophysical sensors disposed along a length of the harness module and a sensor node communicatively coupled to the plurality of sensors. A first connector is... Pgs Geophysical As

Migrating a horizontal component of a wavefield

A horizontal component of marine seismic survey data from an ocean bottom seismic survey can be migrated using a primary wave velocity model. The horizontal component can comprise a shear converted wave. An image of a subsurface location can based on the migration can be produced. Migrating the horizontal component... Pgs Geophysical As

Source towing arrangement

A system can include a source and a front float coupled to the source. The front float can include a winch configured to adjust a position of the source. The front float can include a control unit configured to control functions associated with the front float. Lead-ins can be coupled... Pgs Geophysical As

Fiber optic streamer monitoring

A method includes collecting spectral data from fiber Bragg grating sensors distributed at locations along a fiber optic component positioned along a streamer; and analyzing the spectral data to produce measurements of bend of an axis of the streamer proximate the locations. A streamer monitoring system includes: a fiber optic... Pgs Geophysical As

Pressure insensitive interferometer

A device. The device includes a substrate a substrate, a first optical waveguide disposed on the substrate and a second optical waveguide disposed on the substrate. The device further includes a coupling element disposed on the substrate, the coupling element configured to couple an optical signal in the first optical... Pgs Geophysical As

Marine streamer having variable stiffness

Disclosed are methods and systems for performing marine geophysical surveys that utilize a streamer having variable stiffness. An embodiment discloses a sensor streamer comprising: an outer surface; tension members within the outer surface extending along a length of the sensor streamer; spacers disposed within the outer surface along the length... Pgs Geophysical As

Clamp and bending strain relief apparatus and methods

Clamp and Bending Strain Relief (BSR) system and method are disclosed. One example of a system can include a clamp coupled to a cable. The clamp is configured to couple an apparatus to the cable while allowing the cable to pass continuously through the clamp. A BSR apparatus is coupled... Pgs Geophysical As

System and marine survey payload delivery

An apparatus. The apparatus includes a body and a plurality of control surfaces attached to the body. A first control surface is configured to control an ascent and descent of the apparatus, responsive to ascent/descent control information. A second control surface is configured to control a roll of the apparatus... Pgs Geophysical As

Marine seismic vibrator for low frequency and methods of use

Disclosed are devices and methods for marine geophysical surveying. An example device may comprise a shell, a base plate, wherein the base plate is coupled to the shell, a driver disposed within the shell, an inner spring element disposed within the shell, wherein the inner spring element is coupled to... Pgs Geophysical As

Estimating an earth response

Estimating an earth response can include deconvolving a multi-dimensional source wavefield from near-continuously recorded seismic data recorded at a receiver position. The deconvolving can include spreading the near-continuously recorded seismic data across a plurality of possible source emission angles. The result of the deconvolution can be the earth response estimate.... Pgs Geophysical As

Noise attenuation

Noise can be attenuated in marine seismic data from a marine seismic survey. A first near-continuous measurement of a wavefield and a second near-continuous measurement of the wavefield recorded from a marine seismic survey can be equalized, a coherent portion of the equalized second near-continuous measurement can be collapsed, and... Pgs Geophysical As

Control system for a marine vibrator

Disclosed are control systems for marine vibrators. An example method may comprise recording a signal at a seismic sensor; running an iterative learning control characterization for a marine vibrator on the signal from the seismic sensor; measuring movement of an outer shell of the marine vibrator using a motion sensor... Pgs Geophysical As

Electromagnetic streamer safety

Techniques are disclosed relating to electrical safety systems that may be useful, for example, in electromagnetic geophysical prospecting. Electromagnetic streamer systems often include a number of electrical loads in series that are powered by a constant-current power supply unit. Known techniques for detecting electrical faults have various drawbacks in such... Pgs Geophysical As

Geophysical cable preparation for antifouling paint

Embodiments relate generally to marine geophysical surveying. More particularly, embodiments relate to a streamer-preparation apparatus that cleans a geophysical cable to prepare it for application of an antifouling paint. An embodiment discloses a method comprising: moving a streamer into position for cleaning; directing a cleaning fluid onto the streamer as... Pgs Geophysical As

Deblended and deghosted seismic data

Deblending and deghosting seismic data may include processing blended seismic data acquired after actuation of a first seismic source located at a first depth and a second seismic source located at a second depth. The processing may comprise deblending and deghosting the blended seismic data based on a difference in... Pgs Geophysical As

Methods and systems to evaluate noise content in seismic data

This disclosure is directed to methods and systems to evaluate noise contend of seismic data received during a marine survey. The seismic data includes pressure and particle motion data generated by collocated pressure and particle motion sensors of a seismic data acquisition system. The pressure and particle motion data are... Pgs Geophysical As

Methods and systems to determine properties of a subterranean formation

The current disclosure is directed to methods and systems to determine properties of a subterranean formation located below a body of water. The methods and systems compute synthetic pressure and velocity vector wavefields that represent acoustic energy interactions within a model environment that comprises a model body of water located... Pgs Geophysical As

Streamer equipment tension control

An apparatus for acquiring survey data including streamer equipment comprising a lead-in cable; and a geophysical streamer with a plurality of geophysical sensors distributed along the geophysical streamer, including a forward geophysical sensor; a depressor coupled to the streamer equipment in front of the forward geophysical sensor; a variable tension... Pgs Geophysical As

Streamer cleaning apparatus and associated systems and methods

Embodiments relate to marine streamer cleaning. An embodiment provides a streamer cleaning apparatus comprising: a housing comprising an inlet configured to receive a streamer and an outlet configured to dispatch the streamer; and scraper lamellas coupled to the housing, wherein the scraper lamellas are arranged to form an opening to... Pgs Geophysical As

Joint estimation of electromagnetic earth responses and ambient noise

A method and system for estimation of electromagnetic earth responses in a marine electromagnetic survey. A method may comprise estimating initial values of the electromagnetic earth responses and ambient noise applicable to the marine electromagnetic survey; and processing electromagnetic data based on the initial values of the electromagnetic earth responses... Pgs Geophysical As

Resonating gas seismic source

An apparatus includes a marine seismic source having a volume of gas and a gas reservoir, and the marine seismic source and the gas reservoir are coupled to permit a resonating gas flow to pass therebetween. The apparatus may be a component of a marine seismic survey system. The apparatus... Pgs Geophysical As

System and marine geophysical surveys with distributed seismic sources

Marine geophysical surveys with distributed seismic sources. At least some of the example embodiments are methods including performing a marine geophysical survey by: towing a plurality of high-frequency sources spread along a width of an array of sensors, the high-frequency sources having a first source density with respect to the... Pgs Geophysical As

Modular projector for marine seismic source

An apparatus is disclosed which may include a plurality of marine seismic sources. According to some embodiments, these marine seismic sources may include a plurality of piezoelectric components. Such an apparatus may provide a useful sound pressure level for conducting marine seismic surveying. According to some embodiments, a conduit may... Pgs Geophysical As

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 distal end with the tail buoy coupled to the distal end, and the towing with the sensor streamer and... Pgs Geophysical As

Individual actuation within a source subarray

Source element of a source subarray can be individually actuated according to an actuation sequence. The actuation sequence can be at least partially based on a relative position of each of the source elements within a particular geometry of the source subarray with respect to a previously actuated source element... Pgs Geophysical As

Combined seismic and electromagnetic survey configurations

A method and apparatus for marine surveying including towing an electromagnetic source having an electromagnetic cross-talk zone and an entanglement zone; towing a plurality of pieces of seismic equipment, wherein each piece of seismic equipment is towed outside of the electromagnetic cross-talk zone and the entanglement zone; actuating the electromagnetic... Pgs Geophysical As

Marine streamer handling

Techniques are disclosed relating to marine geophysical prospecting. According to some embodiments, a survey vessel may tow a streamer through a body of water. If the streamer needs to be maintained (e.g., cleaned, repaired, or serviced), a second vessel may lift the streamer out of the water for this purpose.... Pgs Geophysical As

Tunable resonance in a resonating gas seismic source

A system may include a conduit coupled between a marine seismic source and a gas reservoir external to the seismic source. The conduit may have at least one adjustable dimension for changing a resonance frequency of the system. The system may be utilized in a method of marine seismic surveying.... Pgs Geophysical As

Compliance chambers for marine vibrators

A marine vibrator may include a containment housing, a sound radiating surface, and a compliance chamber. The compliance chamber may include a compliance chamber housing, a non-linear linkage assembly, and a low pressure chamber. The compliance chamber housing may define at least a portion of a compliance chamber internal volume... Pgs Geophysical As

06/15/17 / #20170168176

Low frequency marine acoustic vibrator

Embodiments relate to marine acoustic vibrators that incorporate one or more piston plates that act on the surrounding water to produce acoustic energy. An example marine acoustic vibratory may comprise: a containment housing; a piston plate; a fixture coupled to the containment housing; a spring element coupled to the piston... Pgs Geophysical As

06/15/17 / #20170168178

Velocity model update with an inversion gradient

The present disclosure is related to a velocity model update with a full waveform inversion gradient. At least one method can include updating a velocity model of a subsurface, which can include suppressing high wavenumber components of the velocity model provided by reflected energy with a decomposed full waveform inversion... Pgs Geophysical As

06/15/17 / #20170168182

Geophysical survey systems and related methods

Geophysical survey systems and methods. At least some of the example embodiments are systems including: a tow vessel with an onboard data acquisition system; a sensor streamer that defines a proximal end and a distal end, the sensor streamer extends behind the tow vessel, and the sensor streamer submerged in... Pgs Geophysical As

06/08/17 / #20170160412

Systems and methods for wireless communication in a geophysical survey streamer

A disclosed survey method includes towing geophysical survey streamers in a body of water and using sensors within the streamer to collect measurements that are then conveyed along the streamer to a recording station using at least one wireless transmission link. In some implementations at least one sensor is coupled... Pgs Geophysical As

06/01/17 / #20170153341

Low-frequency magnetic reluctance marine seismic source

This disclosure is related to marine seismic sources, for example marine seismic sources known in the art as benders. Some embodiments of this disclosure use magnetic reluctance forces to produce seismic energy. For example, pole pieces may be attached to one or more plates of a marine seismic source, and... Pgs Geophysical As

06/01/17 / #20170153342

Flexible printed circuits in marine geophysical streamers

Disclosed are flexible printed circuits incorporated into marine geophysical streamers. An embodiment discloses a streamer for geophysical surveying comprising: a jacket; geophysical sensors; and a flexible printed circuit assembly disposed inside the jacket and coupled to the geophysical sensors, wherein the flexible printed circuit assembly comprises sensor signal conductors that... Pgs Geophysical As

05/25/17 / #20170146676

System and a buoyant tail section of a geophysical streamer

Buoyant tail section of a geophysical streamer. At least some of the example embodiments are methods of performing a geophysical survey in a marine environment, the method including: towing an active section of a geophysical streamer in the marine environment, the active section having a buoyancy; towing a tail section,... Pgs Geophysical As

04/27/17 / #20170115416

Marine surveys conducted with multiple source arrays

Marine surveys carried out with multiple source arrays comprising three or more sources are discussed. Each source of a multiple source array is an array of source elements, such as air guns. The sources of a multiple source array may be arranged in particular type of configuration that is effectively... Pgs Geophysical As

04/27/17 / #20170115417

Marine surveys conducted with multiple source arrays

Marine surveys carried out with multiple source arrays comprising three or more sources are discussed. Each source of a multiple source array is an array of source elements, such as air guns. The sources of a multiple source array may be arranged in particular type of configuration that is effectively... Pgs Geophysical As

04/27/17 / #20170115419

Marine surveys conducted with multiple source arrays

Marine surveys carried out with multiple source arrays comprising three or more sources are discussed. Each source of a multiple source array is an array of source elements, such as air guns. The sources of a multiple source array may be arranged in particular type of configuration that is effectively... Pgs Geophysical As

04/27/17 / #20170116357

Bipole source modeling

Disclosed are methods and systems for producing bipole source modeling with reduced computational loads. A method may comprise receiving first electromagnetic data and second electromagnetic data from a first shotpoint and a second of a marine electromagnetic survey, modelling a first electromagnetic field and second electromagnetic field for one or... Pgs Geophysical As

04/20/17 / #20170108604

Denoising seismic data

Denoising seismic data can include extracting a first plurality of overlapping patches corresponding to a respective seismic data window selected from a plurality of seismic data windows, reshaping the first plurality of overlapping patches into patch vectors, and determining sparse approximations of the patch vectors based on a dictionary and... Pgs Geophysical As

04/20/17 / #20170108610

Marine data acquisition node

Disclosed are systems and methods for marine geophysical surveying. An example system an electromagnetic source configured to emit an energy field into a body of water; a marine data acquisition node comprising: a base having a buoyancy such that the base is configured to float in a body of water;... Pgs Geophysical As

04/20/17 / #20170108618

Geophysical inversion using sparse modeling

Methods of geophysical modeling and inversion are disclosed. A sparse domain is defined for a geophysical model, over which a sparse model result is computed. A full model result is then resolved by interpolation over the sparse domain. The full model result may be used as the forward modeling result... Pgs Geophysical As

04/20/17 / #20170108619

Geophysical inversion using sparse modeling

Methods of geophysical modeling and inversion are disclosed. A sparse domain is defined for a geophysical model, over which a sparse model result is computed. A full model result is then resolved by interpolation over the sparse domain. The full model result may be used as the forward modeling result... Pgs Geophysical As

04/13/17 / #20170102473

Wing for wide tow of geophysical survey sources

Techniques are disclosed relating to wide towing of marine survey signal sources. In one embodiment, an apparatus includes a signal source and a wing coupled to the signal source. In this embodiment, the wing is configured to impart a force to the signal source when towed through a body of... Pgs Geophysical As

04/06/17 / #20170097433

Noise template adaptation

Techniques are disclosed relating to reducing noise in geophysical marine survey data. According to some embodiments, a complex-valued, directional, multi-resolution (CDM) transform may be applied to marine survey input data and a noise template. Global adaptation constraints and, optionally, local adaptation constraints may be generated dependent on the transformed marine... Pgs Geophysical As

03/23/17 / #20170082760

Estimation of direct arrival signals based on predicted direct arrival signals and measurements

Estimation of direct arrival signals based on predicted direct arrival signals and measurements can include obtaining notional source signatures for notional sources that correspond to source elements in a seismic source. A first predicted direct arrival signal at a first location and a second predicted direct arrival signal at a... Pgs Geophysical As

03/02/17 / #20170059502

Identification of degrading electrodes in a marine electromagnetic survey system

A system and method is provided for identifying degrading electrodes in a marine electromagnetic survey system. A system may comprise a sensor array operable for use in a marine electromagnetic survey system, wherein the sensor array comprises a plurality of electrodes. The system may comprise a shunt resistor connected to... Pgs Geophysical As

03/02/17 / #20170059725

Apparatus with thermal stress relief mechanism for heat generating coil and associated methods

Embodiments related to marine acoustic vibrator for marine geophysical surveys. An embodiment may include an apparatus, wherein the apparatus may comprise: a coil element comprising a coil; a coil clamp constraining motion of the coil element in at least one direction; and a spring disposed in a load path of... Pgs Geophysical As

03/02/17 / #20170059726

Analogous processing of modeled and measured marine survey data

Measured marine survey data can be processed analogously to modeled marine survey data analogously and a misfit can be calculated between the processed measured marine survey data and the processed modeled marine survey data. A model parameter in the modeled marine survey data can be updated based on the misfit.... Pgs Geophysical As

03/02/17 / #20170059730

Wavefield interpolation and regularization in imaging of multiple reflection energy

Methods and systems of generating seismic images from primaries and multiples are described. Methods separate pressure data into up-going pressure data and down-going pressure data from pressure data and vertical velocity data. Irregularly spaced receiver coordinates of the down-going and up-going pressure data are regularized to grid points of a... Pgs Geophysical As

03/02/17 / #20170059731

Method and system of suppressing data corresponding to noise using a model of noise propagation along a sensor streamer

Suppressing data corresponding to noise using a model of noise propagation along a sensor streamer. At least some of the example embodiments are methods including: reading a data set containing noise and seismic signals recorded by geophones disposed in a sensor streamer when the sensor streamer was within a body... Pgs Geophysical As

03/02/17 / #20170059732

Method and system of inducing vibrations onto a sensor streamer

Inducing vibrations onto a sensor streamer. At least some of the example embodiments are methods including: towing a sensor streamer through a body of water, the sensor streamer comprising a plurality of geophones spaced along the sensor streamer; inducing a vibration onto the sensor streamer at a predetermined location, the... Pgs Geophysical As

03/02/17 / #20170059734

Direct resistivity determination

A resistivity profile can be generated directly from measured electromagnetic field data from a marine survey. A series of transformations can be applied to remove a conductivity dependency from a boundary value problem such that an inversion method may no longer be required to generate the resistivity profile.... Pgs Geophysical As

03/02/17 / #20170059741

Biofouling target removal

Certain aspects of the present disclosure generally relate to cleaning geophysical equipment in water. An exemplary method includes illuminating, with laser light, an obstruction on the geophysical equipment while the geophysical equipment is deployed in an operable configuration (e.g., towed by a survey vessel).... Pgs Geophysical As

02/23/17 / #20170052281

Marine geophysical equipment cleaner

Techniques are disclosed relating to an apparatus with scraping members for cleaning a geophysical equipment (e.g., a streamer) being towed behind a survey vessel. The apparatus may, in one embodiment, include a housing and a plurality of scraping members that are disposed at least partially outside of the housing. In... Pgs Geophysical As

02/16/17 / #20170045635

Automated lateral control of seismic streamers

In the field of marine geophysical surveying, systems and methods for controlling the spatial distribution or orientation of a geophysical sensor streamer or an array of geophysical sensor streamers towed behind a survey vessel are provided. Various techniques for changing the spatial distribution or orientation of such geophysical sensor streamers... Pgs Geophysical As

02/09/17 / #20170038488

Piezoelectric bender with additional constructive resonance

Embodiments related to a sound source that comprises a base plate configured to bend and generate acoustic energy; a spring coupled to the base plate; and a mass element coupled to the spring, wherein the sound source is operable to produce at least two resonance frequencies in the sound source.... Pgs Geophysical As

02/09/17 / #20170038533

Tube reattachment

Tube reattachment. At least some illustrative embodiments are including a method exposing a first optical fiber and a second optical fiber disposed within an interior volume of a first tube. A splice is formed between the first optical fiber and a third optical fiber, the splice joining an end of... Pgs Geophysical As

Patent Packs
02/09/17 / #20170038545

Vented optical tube

Vented optical tube. At least some illustrative embodiments are conduits comprising a tube having a wall defining an interior volume of the tube. One or more optical fibers are disposed within the interior volume. The wall includes a plurality of vents passing from an outer surface of the wall to... Pgs Geophysical As

02/09/17 / #20170038551

Staggered optical fiber splices

At least some illustrative embodiments are apparatus including a tube having a wall defining an interior volume, first and second optical fibers disposed within the interior volume and the first and second optical fibers joined at a first splice. Also included are third and fourth optical fibers disposed within the... Pgs Geophysical As

01/26/17 / #20170023686

Prediction and subtraction of multiple diffractions

Prediction and subtraction of multiple diffractions may include transforming previously acquired seismic data from a time-space domain to a transformed domain using a dictionary of compressive basis functions and separating, within the transformed previously acquired seismic data, a first portion and a second portion of the transformed previously acquired seismic... Pgs Geophysical As

01/19/17 / #20170016931

Displacement sensor device and system

The present invention relates to a displacement sensor device and the system including the device, wherein the device comprises a first at least partially transparent plane surface with a first diffraction pattern and a second plane surface comprising a second reflecting diffraction pattern. The diffractive patterns being adapted to diffract... Pgs Geophysical As

01/19/17 / #20170017012

Ultrasonic cleaning of marine geophysical equipment

Various methods and apparatuses for facilitating cleaning of submerged geophysical equipment using sound waves transmitted at ultrasonic frequencies are disclosed. In some embodiments, one or more transducers may be configured to transmit sound at one or more ultrasonic frequencies. The sound at ultrasonic frequencies may be transmitted in the vicinity... Pgs Geophysical As

01/12/17 / #20170010376

Methods and systems for streamer anti-twist

Disclosed are methods and systems for enabling anti-twist functionality in marine geophysical streamers. An embodiment discloses a method comprising: towing a streamer behind a survey vessel in a body of water, wherein the streamer comprises rotation sensors and streamer rotation devices; receiving data from at least one rotation sensor indicative... Pgs Geophysical As

01/05/17 / #20170003162

Piezoelectric accelerometer

At least some of the example embodiments are methods including measuring motion of a body by deflecting a first cantilever portion of a sensing element, and deflecting a second cantilever portion of a sensing element, the second cantilever element of the sensing element disposed opposite the first cantilever element. A... Pgs Geophysical As








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



###

This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Pgs Geophysical As in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Pgs Geophysical As with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

###