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The AAPG/Datapages Combined Publications Database
Showing 447 Results. Searched 200,756 documents.
Basic Seismic Processing: Part 7. Geophysical Methods
Peter M. Duncan
AAPG Special Volumes
... of the source pulse as a running sum over the ideal reflection sequence. Second, the hydrophone or geophone receiver and the seismic recording device each have...
1992
Dome Structure, Atlantic Outer Continental Shelf East of Delaware: Preliminary Geophysical Report
Robert E. Sheridan
AAPG Bulletin
... of the 60-m (200 ft) live-section Teledyne hydrophone and the magnetometer fish. Because this water depth precluded getting near the coastal wells...
1975
AAPG Pacific Section Meeting, April 27-29, 1994, Ventura, California, - Abstracts, #90981 (1994).
Search and Discovery.com
1994
Foundations of Quaternary Reefs in South-Central Belize Lagoon, Central America: GEOLOGIC NOTES
Dong Ryong Choi , Charles W. Holmes
AAPG Bulletin
... source was a Uniboom (FOOTNOTE 4) system capable of producing 300 joules. The signals were received by a 24-element hydrophone and the signal analog...
1982
Planning and Operating a Transition Zone 2D Seismic Survey on Lake Tanganyika, #41765 (2016).
Doug Roberts, Jeremy P. FitzPatrick
Search and Discovery.com
... unit. The OBX recorders were self-contained recording units containing a 3 component geophone and a hydrophone. The source vessel Haibao was also...
2016
3-D Surface-Wave Estimation and Separation Using an Iterative Closed-Loop Approach; #41898 (2016)
Tomohide Ishiyama, Gerrit Blacquiere
Search and Discovery.com
..., the approach solves the inverse problem. We applied this method to several data sets to demonstrate its virtues, such as real 3D geophone/hydrophone...
2016
VSP – The Link Between Geology and Geophysics, by Ronald C. Hinds and Richard Kuzmiski, #40552 (2002).
Search and Discovery.com
2002
Exploration of the North Seribu Area, Northwest Java Sea
Roberto Fainstein
Indonesian Petroleum Association
... data. The 1982 and 1985 data were acquired with a cable length of 2375 meters and with 96 hydrophone groups. Receiver group intervals were 25 meters...
1987
Toward in Situ Monitoring of Active Submarine Volcanoes: A Progress Report
F.K. Wyatt, J.A. Orcutt, G. Sasagawa, H. Staudigel, P. Zimmer
Circum Pacific Council Publications
...-OBS includes four sensor components: three seismometers, one hydrophone, two high gain tiltmeters and four inclinometers; their sensitivities...
1996
Structure of Colorado Basin and Continent-Ocean Crust Boundary off Bahia Blanca, Argentina: Rifted Margins
W. J. Ludwig , J. I. Ewing , C. C. Windisch , A. G. Lonardi , F. F. Rios
AAPG Special Volumes
... ft3 volume at 500 psi) developed by the Mobil Oil Company and a 400-ft-long hydrophone streamer designed at Lamont-Doherty. This combination of sound...
1979
Variations in Bottom Processes Along the U.S. Atlantic Continental Margin: Rifted Margins
Bonnie A. Mcgregor
AAPG Special Volumes
... as the sound source north of Cape Hatteras and a 640 10-6 m3 (40 cu in.) chamber south of Cape Hatteras. A 50-element hydrophone was used to receive...
1979
Monitoring Sea-floor Instability Caused by the Presence of Gas Hydrate Using Ocean Acoustical and Geophysical Techniques in the Northern Gulf of Mexico
Erika Geresi, Ross Chapman, Tom McGee, Bob Woolsey
AAPG Special Volumes
... a single hydrophone and preamplifier. One preamplifier was set to lower gain than the other 15 to insure a nonclipped recording of the direct...
2009
1.5 Crustal Sections: A Wide Angle Seismic Profile
V. J. Hughes, R. S. White, E. J. W. Jones, D. H. Matthews, J. A. Brewer, and D. K. Smythe
AAPG Special Volumes
... and hydrophone receivers from a single ship. The maximum offset is governed by the length of the streamer, but the ultimate aim is to produce a seismic cross...
1983
Evolution of Continental Slope Gullies on the Northern California Margin
Glenn A. Spinelli , Michael E. Field
Journal of Sedimentary Research (SEPM)
..., towed 25 to 100 m below the sea surface. The system comprises two receivers, an internal hydrophone, and an external 10-element, 5-m-long hydrophone...
2001
Diapirlike Structures in Southeastern Bering Sea
David W. Scholl , Michael S. Marlow
AAPG Bulletin
... linear hydrophone arrays trailing 200 m behind the ship and separated by about 10 m. Signal processing is by a marriage of linear and AGC low-input...
1970
Structure of Continental Margin Between Cape Rhir and Cape Sim, Morocco, Northwest Africa
James M. Robb
AAPG Bulletin
... hydrophone and an Alden wet paper recorder (11-in. sweep; 28 cm) were used for seismic reflection profiles. The air gun (5 cu in. chamber, 1,800 psi; 81.9...
1971
Morphology and Structure of Amazon Upper Continental Margin
John D. Milliman
AAPG Bulletin
... sparker with summed twin hydrophone arrays, the profiles being recorded on two stop-start x-y recorders. Normal ship speed was 8 knots, with navigation...
1979
Quaternary Development of Channels, Levees, and Lobes on Middle Laurentian Fan
William R. Normark , David J. W. Piper , Dorrik A. V. Stow
AAPG Bulletin
... rate and a 60-m (200-ft), two-channel hydrophone array. The primary analog signal was recorded on magnetic tape for later playback. Shipboard records...
1983
Seismic Activity in the Central Gulf Coast Basin
Eugene R. Brumbaugh
New Orleans Geological Society
... channels or more are being used to record data from a 4,000 meter (12,800 feet) cable towed at 23 feet with a hydrophone group interval of 25 meters...
1991
Imaging Deep into the Gulf of Mexico
Thomas Smith
GEO ExPro Magazine
... of the deep-water Lower Tertiary Wilcox trend. © TGS Data Acquisition Challenges Seismic acquisition using a towed hydrophone array and towed energy...
2007
Surficial Sediments and Sand and Gravel Deposits of Inner Massachusetts Bay
D. O. Cooks, D. L. Bell, C. F. Willett, R. L. Wilkins, J. Jackimovicz
Atlantic Geology
... in Figure 1. Sub-bottom profiling was accomplished utilizing a 300-joule EGSG Uniboom source, Aquadyne hydrophone streamer, and Raytheon shipboard...
1976
Surface Source Technology
Stan D. Brasel
Pacific Section of AAPG
... for shot to hydrophone distance, is 18 db stronger than the original marine Dinoseis units. Another feature of the new model is the 1 1/2 inch steel...
1972
Milestones in Angolas Oil History
Tako Koning
GEO ExPro Magazine
... of the CurveSM Tako Koning “TRUE” LIFE-OF-FIELD RELIABILITY Passive optical sensors CLEARER IMAGE Broadband 3-C accelerometer and hydrophone...
2012
OPSEIS™ Seismic Recording System
H. A. Tims, D. R. Cahill
Indonesian Petroleum Association
... processing to yield a hydrophone equivalent section. These data would normally be acquired using separate bay-cable and marsh recording crews. The use...
1983
Continuous Seismic Profiles of a Shelf-Edge Bathymetric Prominence in Northern Gulf of Mexico
R. K. Matthews
GCAGS Transactions
... energy is picked up by a single hydrophone, filtered, amplified, and recorded on sensitized paper passing through the recorder. Successive recordings...
1963