G01V 1/137

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9950342 Capacitive micro-machined ultrasound transducer device with charging voltage sourceMar 01, 13Apr 24, 18Koninklijke Philips N.V.
9921321 Seismic acquisition method and systemAug 25, 14Mar 20, 18SHELL OIL COMPANY
9864085 Compact broadband source and methodMay 29, 15Jan 09, 18CGG SERVICES SAS
9841523 Tube wave generationDec 14, 15Dec 12, 17SCHLUMBERGER TECHNOLOGY CORPORATION
9835745 Low frequency emission and recording for seismic data acquisitionJan 22, 14Dec 05, 17CGG SERVICES SA, CGG SERVICES SAS,
9804280 Method and apparatus for tuning the rise time of the initial pulse of an air gunFeb 18, 16Oct 31, 17Not available
9765754 Apparatus for the generation of waves in the marine environment by means of impacting pistons and gas, hydraulic, vapour and electromagnetic launching system for acquisition of seismic dataNov 24, 11Sep 19, 17ENI S.P.A.
9739900 Method and system for augmenting frequency range of conventional marine seismic source with low-frequencyJan 27, 14Aug 22, 17CGG SERVICES SA, CGG SERVICES SAS,
9733378 System for generating pressure waves in an underwater environmentMay 14, 10Aug 15, 17ENI S.P.A.
9645265 Method and system for selecting parameters of a seismic source arrayAug 01, 13May 09, 17WESTERNGECO L.L.C.
9612348 Digital air gunJul 12, 13Apr 04, 17TELEDYNE INSTRUMENTS, INC.
9612349 Airgun operating chamber linersNov 05, 14Apr 04, 17WESTERNGECO L.L.C.
9594173 Method and system for augmenting frequency range of conventional marine seismic source with low-frequencyJan 27, 14Mar 14, 17CGG SERVICES SA, CGG SERVICES SAS,
9588243 Land seismic devices, systems and methodsNov 18, 12Mar 07, 17SCHLUMBERGER TECHNOLOGY CORPORATION
9507038 Pneumatic control for marine seismic source and methodDec 19, 14Nov 29, 16SERCEL
9482766 Time-efficient tests to detect air gun faultsNov 08, 13Nov 01, 16PGS GEOPHYSICAL AS
9405025 Method and device for detecting faults in a marine source arrayFeb 13, 13Aug 02, 16CGG SERVICES SA, CGGVERITAS SERVICES SA,
9395461 Depth steerable seismic source arraySep 05, 13Jul 19, 16PGS GEOPHYSICAL AS
9025417 Systems and methods for optimizing low frequency output from airgun source arraysMay 20, 11May 05, 15WESTERNGECO L.L.C.
9010484 Source acquisition with multiple frequency componentsJun 12, 13Apr 21, 15WESTERNGECO L.L.C.

Showing 1 to 20 of 57 results