公开(公告)号：US20200150299A1

公开(公告)日：2020-05-14

申请号：US16316140

申请日：2017-07-12

Applicant: CGG SERVICES SAS

Inventor： Risto SILIQI

IPC: G01V1/00 ,  G01V1/38 ,  G01V1/143

Abstract: Method and marine seismic acquisition system that includes an acoustic source towed along an overlapping curved sail path and configured to generate acoustic waves; a first underwater vehicle, UV, that moves along a receiver straight path; and a first seismic receiver attached to the first UV and configured to record the acoustic waves generated by the acoustic source. A receiver position along the straight path is substantially coincident with the overlapping curved sail path at given times.

公开(公告)号：US10598806B2

公开(公告)日：2020-03-24

申请号：US16419342

申请日：2019-05-22

Applicant: CGG SERVICES SAS

Inventor： Chris Davison ,  Gordon Poole ,  Ziqin Yu ,  Yuan Ni

IPC: G01V1/36 ,  G01V1/38

Abstract: A method for estimating a time variant signal representing a seismic source obtains seismic data recorded by at least one receiver and generated by the seismic source, the recorded seismic data comprising direct arrivals and derives the time variant signal using an operator that relates the time variant signal to the acquired seismic data, the operator constrained such that the time variant signal is sparse in time.

公开(公告)号：US10520616B2

公开(公告)日：2019-12-31

申请号：US15388081

申请日：2016-12-22

Applicant: CGG SERVICES SAS

Inventor： Laurent Ruet ,  Robert Dowle ,  Benoit Teyssandier

IPC: G01V1/06 ,  G01V1/135 ,  G01V1/00 ,  G01V1/38 ,  G01V1/143 ,  G01V13/00 ,  G01V1/133 ,  G10K11/18

Abstract: A method for generating acoustic waves under water includes actuating first and second pistons with an actuator system provided inside an enclosure of a source element, to generate a wave having a first frequency, and actuating the first and second pistons with a pressure mechanism attached to the enclosure, to control a pressure of a fluid inside the enclosure such that a pressure of the fluid is substantially equal to an ambient pressure of the enclosure. The enclosure has first and second openings and the first and second pistons are configured to close the first and second openings.

公开(公告)号：US20190391286A1

公开(公告)日：2019-12-26

申请号：US16014566

申请日：2018-06-21

Applicant: CGG SERVICES SAS

Inventor： Paul HARDOUIN ,  Thomas BIANCHI

IPC: G01V1/00

Abstract: Methods and systems for seismic data acquisition in a survey area use compressed sensing and take into consideration operational limitations. The operational limitations may be related to the equipment used for the survey, the topography of the surveyed area or limitations that otherwise optimize the survey path.

公开(公告)号：US20190285766A1

公开(公告)日：2019-09-19

申请号：US16419322

申请日：2019-05-22

Applicant: CGG SERVICES SAS

Inventor： Philip MILES ,  Jason BERRINGER

IPC: G01V3/165 ,  G01V3/26 ,  G01V3/08 ,  G01V3/12

Abstract: An electromagnetic (EM) receiver system for measuring EM signals. The EM receiver system includes a survey EM transmitter for generating survey EM signals within a first frequency range; a calibration EM transmitter for generating a calibration signal; a receiver section, including a receiver housing and a receiver, that measures both the survey EM signals and the calibration signal; and a calibration device connected to the calibration EM transmitter and to the receiver, the calibration device configured to control a frequency and waveform of the calibration signal. The calibration device is further configured to calculate a response function of the receiver, based on the calibration signal.

公开(公告)号：US20190219715A1

公开(公告)日：2019-07-18

申请号：US15989450

申请日：2018-05-25

Applicant: CGG SERVICES SAS

Inventor： Robert SOUBARAS

IPC: G01V1/28 ,  G01V1/30

Abstract: A method for exploring a geological formation estimates a multiple-inclusive source wavelet and a reflectivity model by performing an inversion minimizing the difference between the shot records and modeled shots. The modeled shots, that include primaries and multiples, are obtained by propagating up-going and down-going wavefields through an input velocity model, which is not updated during the inversion. The shot records are converted into a geological product suitable for hydrocarbon exploration in the geological formation using the multiple-inclusive source wavelet and the reflectivity model.

公开(公告)号：US10349555B2

公开(公告)日：2019-07-09

申请号：US15490031

申请日：2017-04-18

Applicant: CGG SERVICES SAS

Inventor： Edward Joseph Barragy ,  Cemil Ozyalcin

IPC: H05K7/20 ,  H05K7/14

Abstract: A system for immersion cooling computing system equipment includes a container, a volume of cooling liquid disposed in the container, a computing system equipment holder disposed in the volume of cooling liquid and a liquid-liquid heat exchanger attached to and supported by the computing system equipment holder. The liquid-liquid heat exchanger is disposed in the volume of cooling liquid.

公开(公告)号：US10338262B2

公开(公告)日：2019-07-02

申请号：US15966252

申请日：2018-04-30

Applicant: CGG SERVICES SAS

Inventor： Philip Miles ,  Jason Berringer

IPC: G01V3/00 ,  G01V3/165 ,  G01V3/12 ,  G01V3/08 ,  G01V3/26 ,  G01V3/30

Abstract: An electromagnetic (EM) receiver system for measuring EM signals. The EM receiver system includes a survey EM transmitter for generating survey EM signals within a first frequency range; a tracking EM transmitter for generating tracking signals within a second frequency range; and a receiver section including a receiver that measures both the survey EM signals and the tracking signals.

公开(公告)号：US10330814B2

公开(公告)日：2019-06-25

申请号：US16025005

申请日：2018-07-02

Applicant: CGG SERVICES SAS

Inventor： Philip Miles

IPC: G01V3/08 ,  G01V3/16 ,  G01V3/165 ,  G01R1/14 ,  G01R33/00 ,  G01V3/02 ,  G01V3/10

Abstract: An electromagnetic (EM) receiver system for measuring EM signals. The EM receiver system includes a platform; a coil for measuring EM signals; and first to third suspension mechanisms located between the platform and the coil so that the coil oscillates relative to the platform, and the first to third suspension mechanisms attenuate motion induced noise introduced by towing the receiver system above ground.

公开(公告)号：US20190187319A1

公开(公告)日：2019-06-20

申请号：US16273256

申请日：2019-02-12

Applicant: CGG SERVICES SAS

Inventor： Adam SMIAROWSKI ,  Jason BERRINGER ,  Philip MILES

IPC: G01V3/16 ,  G01V3/17

CPC classification number: G01V3/16 ,  G01V3/17

Abstract: An electromagnetic geophysical exploration system includes a first transmitter-receiver pair that includes a first transmitter configured to transmit a first waveform in a first spectrum and a first receiver configured to sense signals in the first spectrum; and a second transmitter-receiver pair that includes a second transmitter configured to transmit a second waveform in a second spectrum, the second spectrum having a frequency higher than a frequency of the first spectrum, and a second receiver configured to sense signals in the second spectrum; and a control portion. The control portion controls the first transmitter to transmit the first waveform with a first given strength or shape in the first spectrum, and controls the second transmitter to transmit the second waveform with a second given strength or shape in the second spectrum, after a specified time delay.