NO902886D0 - System for dempning av vannsoeyle-reverberasjoner. - Google Patents
System for dempning av vannsoeyle-reverberasjoner.Info
- Publication number
- NO902886D0 NO902886D0 NO902886A NO902886A NO902886D0 NO 902886 D0 NO902886 D0 NO 902886D0 NO 902886 A NO902886 A NO 902886A NO 902886 A NO902886 A NO 902886A NO 902886 D0 NO902886 D0 NO 902886D0
- Authority
- NO
- Norway
- Prior art keywords
- soeyle
- reverback
- water
- dimension system
- dimension
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/36—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
- G01V1/364—Seismic filtering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
- G01V1/3808—Seismic data acquisition, e.g. survey design
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V2210/00—Details of seismic processing or analysis
- G01V2210/50—Corrections or adjustments related to wave propagation
- G01V2210/56—De-ghosting; Reverberation compensation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Acoustics & Sound (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Oceanography (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/398,809 US4979150A (en) | 1989-08-25 | 1989-08-25 | System for attenuation of water-column reverberations |
Publications (3)
Publication Number | Publication Date |
---|---|
NO902886D0 true NO902886D0 (no) | 1990-06-28 |
NO902886L NO902886L (no) | 1991-02-26 |
NO303033B1 NO303033B1 (no) | 1998-05-18 |
Family
ID=23576891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO902886A NO303033B1 (no) | 1989-08-25 | 1990-06-28 | System for dempning av vanns÷yle-reverberasjoner |
Country Status (8)
Country | Link |
---|---|
US (1) | US4979150A (no) |
EP (1) | EP0414344B1 (no) |
AU (1) | AU5716490A (no) |
CA (1) | CA2019007C (no) |
DE (1) | DE69018161T2 (no) |
EG (1) | EG19158A (no) |
MY (1) | MY106741A (no) |
NO (1) | NO303033B1 (no) |
Families Citing this family (88)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5163028A (en) * | 1991-09-27 | 1992-11-10 | Halliburton Geophysical Services, Inc. | Method for correcting impulse response differences of hydrophones and geophones as well as geophone coupling to the water-bottom in dual-sensor, bottom-cable seismic operations |
US5278774A (en) * | 1991-10-01 | 1994-01-11 | Rockwell International Corporation | Alarm for transient underwater events |
US5408440A (en) * | 1993-03-19 | 1995-04-18 | Western Atlas International, Inc. | Hydrophone circuit with electrical characteristics of a geophone |
US5365492A (en) * | 1993-08-04 | 1994-11-15 | Western Atlas International, Inc. | Method for reverberation suppression |
US5396472A (en) * | 1993-09-24 | 1995-03-07 | Western Atlas International | Method for deriving water bottom reflectivity in dual sensor seismic surveys |
US5774416A (en) * | 1995-04-07 | 1998-06-30 | Pgs, Tensor, Inc. | Method and device for attenuating water column reverberations using co-located hydrophones and geophones in ocean bottom seismic processing |
US5621699A (en) * | 1995-07-07 | 1997-04-15 | Pgs Ocean Bottom Seismic, Inc. | Apparatus and method of calibrating vertical particle velocity detector and pressure detector in a sea-floor cable with in-situ passive monitoring |
US5724306A (en) * | 1995-12-29 | 1998-03-03 | Western Atlas International, Inc. | Method for correcting dual sensor data for imperfect geophone coupling using production seismic data |
FR2743897B1 (fr) * | 1996-01-23 | 1998-04-10 | Geophysique Cie Gle | Procede de prospection sismique marine au moyen d'un couple de capteurs hydrophone et geophone |
FR2743896B1 (fr) | 1996-01-23 | 1998-04-10 | Geophysique Cie Gle | Procede de traitement de calibration d'une paire de capteurs hydrophone/geophone et procede de prospection sismique mettant en oeuvre ce traitement |
US5754492A (en) * | 1996-02-12 | 1998-05-19 | Pgs Tensor, Inc. | Method of reverberation removal from seismic data and removal of dual sensor coupling errors |
US5696734A (en) * | 1996-04-30 | 1997-12-09 | Atlantic Richfield Company | Method and system for eliminating ghost reflections from ocean bottom cable seismic survey signals |
US5621700A (en) * | 1996-05-20 | 1997-04-15 | Schlumberger Technology Corporation, Geco-Prakla Div. | Method for attenuation of reverberations using a pressure-velocity bottom cable |
US5793702A (en) * | 1996-05-21 | 1998-08-11 | Western Atlas International, Inc. | Method for measuring the water bottom reflectivity |
US5774417A (en) * | 1996-10-25 | 1998-06-30 | Atlantic Richfield Company | Amplitude and phase compensation in dual-sensor ocean bottom cable seismic data processing |
US5724307A (en) * | 1997-04-14 | 1998-03-03 | Western Atlas International, Inc. | Method for improving the coupling response of a water-bottom seismic sensor |
US6201764B1 (en) * | 1997-10-31 | 2001-03-13 | Input/Output, Inc. | Apparatus and method for correcting for capacitance variations in hydrophones |
GB9800741D0 (en) * | 1998-01-15 | 1998-03-11 | Geco As | Multiple attenuation of multi-component sea-bottom data |
US5991238A (en) * | 1998-06-09 | 1999-11-23 | Western Atlas International, Inc. | Weighted backus filter method of combining dual sensor traces |
GB9906995D0 (en) | 1998-09-16 | 1999-05-19 | Geco Prakla Uk Ltd | Seismic detection apparatus and related method |
US6246637B1 (en) | 1998-09-28 | 2001-06-12 | Pgs Tensor, Inc. | Method and system for combining three component seismic data |
GB9906456D0 (en) * | 1999-03-22 | 1999-05-12 | Geco Prakla Uk Ltd | Method and system for reducing effects of sea surface ghost contamination in seismic data |
US6314371B1 (en) * | 1999-06-25 | 2001-11-06 | Input/Output, Inc. | Dual sensor signal processing method for on-bottom cable seismic wave detection |
US6539308B2 (en) | 1999-06-25 | 2003-03-25 | Input/Output Inc. | Dual sensor signal processing method for on-bottom cable seismic |
US6263285B1 (en) * | 1999-09-15 | 2001-07-17 | Pgs Tensor, Inc. | Amplitude spectra estimation |
EP1248957A1 (en) * | 2000-01-21 | 2002-10-16 | Schlumberger Holdings Limited | System and method for estimating seismic material properties |
DE60112895D1 (de) * | 2000-01-21 | 2005-09-29 | Schlumberger Holdings | System und verfahren seismischer wellenfeldtrennung |
GB0015810D0 (en) * | 2000-06-29 | 2000-08-23 | Geco As | A method of processing seismic data |
US20020118602A1 (en) | 2001-02-27 | 2002-08-29 | Sen Mrinal K. | Angle dependent surface multiple attenuation for two-component marine bottom sensor data |
EP1405105A2 (en) | 2001-05-25 | 2004-04-07 | ExxonMobil Upstream Research Company | Trapped water bottom multiple and peg-leg multiple suppression for ocean bottom seismic data |
US6738715B2 (en) | 2001-09-14 | 2004-05-18 | Exxonmobil Upstream Research Company | Method for attenuating noise in seismic data |
US7239577B2 (en) * | 2002-08-30 | 2007-07-03 | Pgs Americas, Inc. | Apparatus and methods for multicomponent marine geophysical data gathering |
US6937938B2 (en) | 2002-09-04 | 2005-08-30 | Stanley A. Sansone | Method and apparatus for interferometry, spectral analysis, and three-dimensional holographic imaging of hydrocarbon accumulations and buried objects |
US6763305B2 (en) | 2002-09-13 | 2004-07-13 | Gx Technology Corporation | Subsurface illumination, a hybrid wave equation-ray-tracing method |
US7778110B2 (en) * | 2003-03-26 | 2010-08-17 | Westerngeco L.L.C. | Processing seismic data representative of the acceleration wavefield |
US7310287B2 (en) * | 2003-05-30 | 2007-12-18 | Fairfield Industries Incorporated | Method and apparatus for seismic data acquisition |
US7561493B2 (en) * | 2003-05-30 | 2009-07-14 | Fairfield Industries, Inc. | Method and apparatus for land based seismic data acquisition |
US7123543B2 (en) * | 2003-07-16 | 2006-10-17 | Pgs Americas, Inc. | Method for seismic exploration utilizing motion sensor and pressure sensor data |
GB2404736B (en) * | 2003-08-01 | 2006-01-04 | Westerngeco Seismic Holdings | Determination of geophone coupling |
GB2405473B (en) * | 2003-08-23 | 2005-10-05 | Westerngeco Ltd | Multiple attenuation method |
US6943729B2 (en) * | 2003-10-01 | 2005-09-13 | S5 Wireless, Inc. | Method and system for time difference of arrival (TDOA) location services |
GB2410551B (en) * | 2004-01-30 | 2006-06-14 | Westerngeco Ltd | Marine seismic acquisition system |
US7359283B2 (en) * | 2004-03-03 | 2008-04-15 | Pgs Americas, Inc. | System for combining signals of pressure sensors and particle motion sensors in marine seismic streamers |
US7139217B2 (en) * | 2004-05-27 | 2006-11-21 | Pgs Americas, Inc. | Water bottom cable seismic survey cable and system |
KR100741875B1 (ko) * | 2004-09-06 | 2007-07-23 | 동부일렉트로닉스 주식회사 | Cmos 이미지 센서 및 그의 제조 방법 |
US7336561B2 (en) * | 2004-09-07 | 2008-02-26 | Pgs Americas, Inc. | System for attenuation of water bottom multiples in seismic data recorded by pressure sensors and particle motion sensors |
US7450468B2 (en) * | 2004-10-19 | 2008-11-11 | Landmark Graphics Corporation | Methods, systems, and computer readable media for interactively determining parameters for ocean-bottom hydrophone/geophone receiver combination deghosting |
US20060133202A1 (en) * | 2004-12-22 | 2006-06-22 | Tenghamn Stig R L | Motion sensors in a marine seismic streamer |
US8534959B2 (en) | 2005-01-17 | 2013-09-17 | Fairfield Industries Incorporated | Method and apparatus for deployment of ocean bottom seismometers |
US7477992B2 (en) * | 2005-02-18 | 2009-01-13 | Exxonmobil Upstream Research Company | Method for combining seismic data sets |
US7319636B2 (en) * | 2005-03-14 | 2008-01-15 | Westerngeco, L.L.C. | Calibration of pressure gradient recordings |
US20060209633A1 (en) * | 2005-03-17 | 2006-09-21 | George Nicholas C | Ocean bottom seismic sensor cable system including torque-relieving swivel |
US8127706B2 (en) * | 2005-05-02 | 2012-03-06 | Fairfield Industries Incorporated | Deck configuration for ocean bottom seismometer launch platforms |
US7768869B2 (en) * | 2005-05-05 | 2010-08-03 | Pgs Americas, Inc. | Method for deghosting and water layer multiple reflection attenuation in marine seismic data |
US7590028B2 (en) * | 2005-05-12 | 2009-09-15 | Westerngeco L.L.C. | Seabed seismic cables and methods of stabilizing same when deployed on a seabed |
US7623414B2 (en) * | 2006-02-22 | 2009-11-24 | Westerngeco L.L.C. | Particle motion vector measurement in a towed, marine seismic cable |
US7167413B1 (en) | 2006-05-01 | 2007-01-23 | Input/Output | Towed streamer deghosting |
US7466625B2 (en) * | 2006-06-23 | 2008-12-16 | Westerngeco L.L.C. | Noise estimation in a vector sensing streamer |
US8559267B2 (en) * | 2006-10-26 | 2013-10-15 | Schlumberger Technology Corporation | Methods and apparatus of borehole seismic surveys |
WO2008076191A2 (en) * | 2006-12-15 | 2008-06-26 | Exxonmobil Upstream Research Company | Identification and suppression of multiples in ocean bottom seismic data |
US20080144435A1 (en) * | 2006-12-15 | 2008-06-19 | Morley Lawrence C | Deep low frequency towed-array marine survey |
US8593907B2 (en) * | 2007-03-08 | 2013-11-26 | Westerngeco L.L.C. | Technique and system to cancel noise from measurements obtained from a multi-component streamer |
US8553490B2 (en) | 2007-11-09 | 2013-10-08 | Pgs Geophysical As | Array grouping of seismic sensors in a marine streamer for optimum noise attenuation |
US8781749B2 (en) * | 2007-12-28 | 2014-07-15 | Westerngeco L.L.C. | Attenuating noise in seismic data |
US8611191B2 (en) * | 2008-05-22 | 2013-12-17 | Fairfield Industries, Inc. | Land based unit for seismic data acquisition |
US7675812B2 (en) | 2008-06-30 | 2010-03-09 | Pgs Geophysical As | Method for attenuation of multiple reflections in seismic data |
US9207349B2 (en) | 2008-08-27 | 2015-12-08 | Pgs Geophysical As | Methods and apparatus for determining seismic streamer array geometry and seismic sensor response |
US8089825B2 (en) * | 2008-08-29 | 2012-01-03 | Pgs Geophysical As | Method of summing dual-sensor towed streamer signals using cross-ghosting analysis |
DE102009034444A1 (de) * | 2009-07-23 | 2011-01-27 | Siemens Aktiengesellschaft | Verfahren zur Überwachung einer Umgebung mit mehreren akustischen Sensoren |
US20110044127A1 (en) * | 2009-08-19 | 2011-02-24 | Clement Kostov | Removing free-surface effects from seismic data acquired in a towed survey |
US8712694B2 (en) * | 2009-10-05 | 2014-04-29 | Westerngeco L.L.C. | Combining seismic data from sensors to attenuate noise |
US9110187B2 (en) * | 2009-10-05 | 2015-08-18 | Westerngeco L.L.C. | Sensor assembly having a seismic sensor and a divergence sensor |
US8838392B2 (en) * | 2009-10-05 | 2014-09-16 | Westerngeco L.L.C. | Noise attenuation in passive seismic data |
US8520469B2 (en) * | 2009-10-12 | 2013-08-27 | Westerngeco L.L.C. | Sensor assembly having a seismic sensor, pressure sensor, and processor to apply first and second digital filters |
US20110085417A1 (en) * | 2009-10-12 | 2011-04-14 | Daniel Ronnow | String of Sensor Assemblies Having a Seismic Sensor and Pressure Sensor |
FR2955396B1 (fr) * | 2010-01-15 | 2013-03-01 | Cggveritas Services Sa | Dispositif de traitement de donnees sismiques marines |
FR2955397B1 (fr) * | 2010-01-15 | 2012-03-02 | Cggveritas Services Sa | Procede et dispositif d'acquisition de donnees sismiques marines |
US8730766B2 (en) * | 2010-01-22 | 2014-05-20 | Ion Geophysical Corporation | Seismic system with ghost and motion rejection |
US8902699B2 (en) | 2010-03-30 | 2014-12-02 | Pgs Geophysical As | Method for separating up and down propagating pressure and vertical velocity fields from pressure and three-axial motion sensors in towed streamers |
FR2961316A1 (fr) | 2010-06-10 | 2011-12-16 | Cggveritas Services Sa | Procede de traitement de donnees sismiques marines |
US20110310698A1 (en) | 2010-06-21 | 2011-12-22 | Sercel, Inc. | Dual Axis Geophones For Pressure/Velocity Sensing Streamers Forming a Triple Component Streamer |
DK178490B1 (en) | 2010-09-02 | 2016-04-18 | Ion Geophysical Corp | Multi-component, acoustic-wave sensor and methods |
AU2011232767B2 (en) | 2010-10-14 | 2014-05-08 | Cggveritas Services Sa | Method and device to acquire seismic data |
US9091783B2 (en) | 2010-11-04 | 2015-07-28 | Westerngeco L.L.C. | Computing a calibration term based on combining divergence data and seismic data |
US10048395B2 (en) | 2013-02-01 | 2018-08-14 | Westerngeco L.L.C. | Computing a gradient based on differences of plural pairs of particle motion sensors |
US9841519B2 (en) | 2013-03-14 | 2017-12-12 | Ion Geophysical Corporation | Seismic sensor devices, systems, and methods including noise filtering |
WO2015109175A1 (en) | 2014-01-17 | 2015-07-23 | Westerngeco Llc | Seismic sensor coupling |
US11422273B2 (en) | 2018-09-05 | 2022-08-23 | Pgs Geophysical As | Sensor housing and spacer carrier assembly |
Family Cites Families (89)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE23552E (en) * | 1952-09-30 | Apparatus for marine seismic prospecting | ||
US1584613A (en) * | 1920-02-25 | 1926-05-11 | Kalmus Comstock & Wescott Inc | Wave detector |
US2627930A (en) * | 1948-07-09 | 1953-02-10 | Atlantic Refining Co | Apparatus for underwater seismic operations |
US2753948A (en) * | 1952-09-29 | 1956-07-10 | Int Research & Dev Co Ltd | Filtering cell prod for vibratory pick-up devices |
US2923367A (en) * | 1952-10-06 | 1960-02-02 | Sun Oil Co | Method and apparatus for seismic surveying |
US3286227A (en) * | 1953-02-20 | 1966-11-15 | Gerard T Aldrich | Line hydrophone |
US2882988A (en) * | 1953-03-16 | 1959-04-21 | Socony Mobil Oil Co Inc | Elimination of near surface reflection effects |
US2740945A (en) * | 1953-07-06 | 1956-04-03 | United Geophysical Corp | Seismic prospecting system |
US2757356A (en) * | 1954-01-08 | 1956-07-31 | Texas Instruments Inc | Method and apparatus for canceling reverberations in water layers |
US2791757A (en) * | 1954-03-24 | 1957-05-07 | California Research Corp | Pressure cable construction |
US2807793A (en) * | 1954-10-01 | 1957-09-24 | Exxon Research Engineering Co | Continuous reelable geophone |
US2856594A (en) * | 1955-03-04 | 1958-10-14 | Vector Mfg Company | Seismic detector |
US2906992A (en) * | 1957-05-23 | 1959-09-29 | Kenneth H Wilcoxon | Towed hydrophone |
US3964424A (en) * | 1958-04-02 | 1976-06-22 | The United States Of America As Represented By The Secretary Of The Navy | Influence detecting gear with improved towing characteristics |
US3054085A (en) * | 1958-08-25 | 1962-09-11 | Jersey Prod Res Co | Self-orienting geophone |
US3274542A (en) * | 1963-03-25 | 1966-09-20 | Socony Mobil Oil Co Inc | Methods of band-equalizing seismograms |
US3290645A (en) * | 1964-02-13 | 1966-12-06 | Whitehall Electronics Corp | Method and underwater streamer apparatus for improving the fidelity of recorded seismic signals |
US3343626A (en) * | 1965-01-18 | 1967-09-26 | Pan American Petroleum Corp | Cancelling seismic multiple reflections by transmitting only the down-travelling seismic signals detected from the original transmitted signal |
US3304364A (en) * | 1965-01-25 | 1967-02-14 | Stauffer Chemical Co | Conducting tow line structure |
US3299397A (en) * | 1965-03-08 | 1967-01-17 | Sonic Engineering Company | Underwater detector streamer apparatus for improving the fidelity of recorded seismic signals |
US3281768A (en) * | 1965-03-11 | 1966-10-25 | Sonic Engineering Company | Method and cardioid system comprising pressure sensor means with output compensated displacement or acceleration sensor |
FR91705E (fr) * | 1965-05-22 | 1968-08-02 | Inst Francais Du Petrole | Capteurs de pression insensibles aux bruits parasites |
US3319734A (en) * | 1965-06-17 | 1967-05-16 | Whitehall Electronics Corp | Elastic detection streamer dead section for a water borne seismic surveying system |
US3354984A (en) * | 1965-08-19 | 1967-11-28 | Whitehall Electronics Corp | Depth controlled marine seismic detection cable |
US3350683A (en) * | 1966-03-08 | 1967-10-31 | Mobil Oil Corp | Optimum detector type and depth in marine seismic exploration |
US3354860A (en) * | 1966-06-27 | 1967-11-28 | John R Dale | Mechanical isolation of hydrophones by hydroplanes |
US3369216A (en) * | 1966-07-28 | 1968-02-13 | Mobil Oil Corp | System for reducing the transmission of noise in marine seismic surveying |
US3409871A (en) * | 1966-10-12 | 1968-11-05 | Exxon Production Research Co | Elimination of multiple events on seismograms obtained at water-covered areas of the earth |
US3491848A (en) * | 1968-01-10 | 1970-01-27 | Texas Instruments Inc | Wave generator arrays for marine seismic exploration |
US3441902A (en) * | 1968-04-01 | 1969-04-29 | Western Geophysical Co | Extendable intersection hydrophone arrays |
US3518677A (en) * | 1968-09-16 | 1970-06-30 | Mark Products | Electric marine cable |
US3860899A (en) * | 1968-10-08 | 1975-01-14 | Us Navy | Strum noise reducing device |
US3739328A (en) * | 1970-07-13 | 1973-06-12 | Schlumberger Technology Corp | Acoustic impedance logging using reflection coefficients |
US3696329A (en) * | 1970-11-12 | 1972-10-03 | Mark Products | Marine streamer cable |
GB1316479A (en) * | 1970-11-23 | 1973-05-09 | Mobil Oil Corp | Seismic data records by frequency domain operation |
US3710006A (en) * | 1971-07-01 | 1973-01-09 | Schlumberger Technology Corp | Marine streamer cable |
US3866161A (en) * | 1973-01-24 | 1975-02-11 | Petty Ray Geophysical Inc | Method and apparatus for obtaining a more accurate measure of input seismic energy |
US3863201A (en) * | 1973-05-29 | 1975-01-28 | Amoco Prod Co | Seismometer arrays using operational amplifiers |
US3943484A (en) * | 1973-11-26 | 1976-03-09 | Avance Oil & Gas Company, Inc. | Method of attenuating unwanted seismic reflections in underwater seismic exploration |
US3893065A (en) * | 1973-12-05 | 1975-07-01 | Sperry Rand Corp | Hydrophone array |
US3930254A (en) * | 1974-04-09 | 1975-12-30 | Whitehall Corp | Seismic streamer construction for minimizing hydrophone response to vibration produced pressure fields |
US3979713A (en) * | 1974-08-19 | 1976-09-07 | Texaco Inc. | Method of marine reflection-type seismic exploration |
US3932835A (en) * | 1974-09-25 | 1976-01-13 | The United States Of America As Represented By The Secretary Of The Navy | Towable VLF sonar projector |
US4146871A (en) * | 1975-02-28 | 1979-03-27 | Mobil Oil Corporation | Determination of reflectivity and water depth for firing marine sources as an inverse distortion operator |
US3990039A (en) * | 1975-04-07 | 1976-11-02 | Miller Larry D | Tuned ground motion detector utilizing principles of mechanical resonance |
US4348749A (en) * | 1975-06-30 | 1982-09-07 | Mobil Oil Corporation | Phase correcting seismic traces |
US4038630A (en) * | 1975-10-28 | 1977-07-26 | Bolt Associates, Inc. | Airgun marine seismic survey streamer method and apparatus |
US4160229A (en) * | 1976-07-08 | 1979-07-03 | Honeywell Inc. | Concentric tube hydrophone streamer |
US4078223A (en) * | 1976-09-10 | 1978-03-07 | Western Geophysical Co. Of America | Geophone and seismic cable assembly |
US4210897A (en) * | 1976-12-06 | 1980-07-01 | Huntec (70) Limited | Heave compensation system |
US4090168A (en) * | 1977-05-17 | 1978-05-16 | The United States Of America As Represented By The Secretary Of The Navy | Solid filled vibration isolation module for a towed sonar array |
US4134097A (en) * | 1977-06-13 | 1979-01-09 | Shell Oil Company | Combination geophone-hydrophone |
US4117447A (en) * | 1977-08-29 | 1978-09-26 | The United States Of America As Represented By The Secretary Of The Navy | Bouyant electrode with anti-birdnesting device |
CA1128189A (en) * | 1977-09-21 | 1982-07-20 | Standard Oil Company | Field fan filter |
CA1137205A (en) * | 1978-08-17 | 1982-12-07 | Roger W. Hutchins | Body motion compensation filter |
US4276620A (en) * | 1978-10-27 | 1981-06-30 | Geosource Inc. | Method and apparatus for obtaining a composite field response _to a variable source array using weighting coefficients |
US4296481A (en) * | 1979-12-17 | 1981-10-20 | Exploration Company | Streamer bulkhead |
US4317185A (en) * | 1980-06-06 | 1982-02-23 | Western Geophysical Co. Of America | Streamer cable towing link |
US4353121A (en) * | 1980-07-24 | 1982-10-05 | Fairfield Industries, Inc. | High resolution, marine seismic stratigraphic system |
US4380059A (en) * | 1980-08-20 | 1983-04-12 | Mobil Oil Corporation | F-K Filtering of multiple reflections from a seismic section |
US4486865A (en) * | 1980-09-02 | 1984-12-04 | Mobil Oil Corporation | Pressure and velocity detectors for seismic exploration |
US4345473A (en) * | 1980-11-26 | 1982-08-24 | Shell Oil Company | Vertical component accelerometer |
US4402069A (en) * | 1981-06-03 | 1983-08-30 | The United States Of America As Represented By The Secretary Of The Navy | Acoustic envelope having minimal vibration and flow induced noises |
US4477887A (en) * | 1981-09-08 | 1984-10-16 | Shell Oil Company | Low noise mounting for accelerometer used in marine cable |
US4415997A (en) * | 1981-11-12 | 1983-11-15 | Mobil Oil Corporation | Method for determining source and receiver statics in marine seismic exploration |
US4437175A (en) * | 1981-11-20 | 1984-03-13 | Shell Oil Company | Marine seismic system |
US4449208A (en) * | 1981-11-23 | 1984-05-15 | Mobil Oil Corporation | Lithologic studies utilizing acoustic wave attenuation |
US4837751A (en) * | 1981-12-22 | 1989-06-06 | Shell Oil Company | Shielded hydrophone assembly |
US4510588A (en) * | 1981-12-22 | 1985-04-09 | Shell Oil Company | Hydrophone cable decoupler |
USH387H (en) * | 1981-12-22 | 1987-12-01 | Shell Oil Company | Wavelength filter for marine seismic cables |
US4520467A (en) * | 1982-03-18 | 1985-05-28 | Shell Oil Company | Marine seismic system |
US4439497A (en) * | 1982-05-27 | 1984-03-27 | Shell Oil Company | Ultrasonic sound absorber |
US4679179A (en) * | 1982-06-15 | 1987-07-07 | Raychem Corporation | Sonar detection apparatus |
US4644507A (en) * | 1982-06-28 | 1987-02-17 | Ziolkowski Antoni M | Scaling of sound source signatures in underwater seismic exploration |
US4633449A (en) * | 1982-10-15 | 1986-12-30 | Ingram John D | Method and apparatus for indirect determination of shear velocity from guided modes |
US4581724A (en) * | 1983-12-12 | 1986-04-08 | Mobil Oil Corporation | Method for determining source and receiver statics in marine seismic exploration |
US4644508A (en) * | 1983-12-28 | 1987-02-17 | Mobil Oil Corporation | Method and apparatus for selectively reinforcing detected seismic waves |
US4752916A (en) * | 1984-08-28 | 1988-06-21 | Dan Loewenthal | Method and system for removing the effect of the source wavelet from seismic data |
US4733379A (en) * | 1984-10-15 | 1988-03-22 | Edo Corporation/Western Division | Line array transducer assembly |
US4660183A (en) * | 1985-09-10 | 1987-04-21 | Hughes Aircraft Company | Vibration isolation module for sonar towed arrays |
US4685090A (en) * | 1985-11-27 | 1987-08-04 | Raychem Corporation | Tubular article |
US4733378A (en) * | 1986-06-06 | 1988-03-22 | Western Atlas International, Inc. | Active low-profile hydrophone |
US4734891A (en) * | 1986-06-20 | 1988-03-29 | Hughes Aircraft Company | Aft drogue module for towed sonar array |
US4809243A (en) * | 1986-10-03 | 1989-02-28 | Western Atlas International, Inc. | Streamer cable |
US4765436A (en) * | 1986-12-10 | 1988-08-23 | Duke University | Dry friction damper with damping force perpendicular to principal direction of a vibration |
US4736345A (en) * | 1987-03-27 | 1988-04-05 | Mobil Oil Corporation | Compliant spacer for a marine seismic streamer |
US4813028A (en) * | 1987-07-07 | 1989-03-14 | Schlumberger Technology Corporation | Acoustic well logging method and apparatus |
US4794573A (en) * | 1988-02-11 | 1988-12-27 | Conoco Inc. | Process for separating upgoing and downgoing events on vertical seismic profiles |
US4821241A (en) * | 1988-05-23 | 1989-04-11 | Teledyne Exploration Co. | Noise-cancelling streamer cable |
-
1989
- 1989-07-11 EG EG41789A patent/EG19158A/xx active
- 1989-08-25 US US07/398,809 patent/US4979150A/en not_active Expired - Lifetime
-
1990
- 1990-06-05 EP EP90306104A patent/EP0414344B1/en not_active Expired - Lifetime
- 1990-06-05 DE DE69018161T patent/DE69018161T2/de not_active Expired - Fee Related
- 1990-06-14 CA CA002019007A patent/CA2019007C/en not_active Expired - Fee Related
- 1990-06-14 AU AU57164/90A patent/AU5716490A/en not_active Abandoned
- 1990-06-15 MY MYPI90001007A patent/MY106741A/en unknown
- 1990-06-28 NO NO902886A patent/NO303033B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0414344B1 (en) | 1995-03-29 |
CA2019007A1 (en) | 1991-02-25 |
NO303033B1 (no) | 1998-05-18 |
US4979150A (en) | 1990-12-18 |
NO902886L (no) | 1991-02-26 |
EG19158A (en) | 1996-02-29 |
CA2019007C (en) | 1999-01-26 |
MY106741A (en) | 1995-07-31 |
AU5716490A (en) | 1991-02-28 |
DE69018161D1 (de) | 1995-05-04 |
EP0414344A3 (en) | 1992-05-13 |
DE69018161T2 (de) | 1995-09-07 |
EP0414344A2 (en) | 1991-02-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK1K | Patent expired |