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The AAPG/Datapages Combined Publications Database
Showing 447 Results. Searched 200,693 documents.
Marine Seismic Sources: Part III: A Feeling for Decibels
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... that would be measured by a single hydrophone (reference 1 µPa @ 1 m) in the water. To convert to sound pressure of a similar intensity in air...
2010
Marine Seismic Sources: Part IV
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... recorded on large aperture hydrophone arrays are mono-pulsed, lasting 100 μs, and have pronounced directionality, with extremely intense (on-axis) source...
2010
Alaska: The Start of Something Big
Thomas Smith
GEO ExPro Magazine
... out the newly acquired lease area. They used hydrophone soundings around lakes (dynamite had been banned in the protected Moose Range) to map...
2011
North Belut 3D Seismic Processing Experience: The First High-Resolution High-Density Q-Marine Survey Conducted in Indonesia
Andreas T. Waluyo, Michael I. Challis
Indonesian Petroleum Association
... • • • • • • • • • • • • • • • • • Input data at 6.25m hydrophone spacing (804 traces per cable) Calibrated Marine Source processing including Debubble Q-Receiver...
2008
Marine Seismic Sources: Part XII: Sound in the Sea
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... of underwater detection systems. The French physicist Paul Langevin developed what he termed a "hydrophone" as a mechanism for ships to more readily detect...
2012
Broadband Seismic Technology and Beyond: Part IV: PGSs GeoStreamer Mission Impossible
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... with an elegant solution. He suggested simply estimating from the hydrophone signal what the ideal geophone recording should be for GEO ExPro...
2013
Broadband Seismic Technology and Beyond: Part V: PGS's GeoStreamer A Double Win
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... to overcome many historical geophysical and operational challenges of conventional hydrophone-only streamers. The GeoStreamer is a ‘double win’. LASSE...
2013
Broadband Seismic Technology and Beyond: Part VII: CGGs BroadSeis A Change of Thinking
Lesse Amundsen, Martin Landrø
GEO ExPro Magazine
... in the hydrophone data, or towing pairs of streamers at different depths to yield a fuller frequency range by combining the streamer measurements into deghosting...
2014
Shipboard Processing and Interpretation
D.M. Angstadt
Geological Society of Malaysia (GSM)
... hydrophone cable were unsuccessful and a decision had to be made whether or not to reshoot the line. Engine and propeller noise could be seen...
1992
Post Migration Processing of Seismic Data
Dashuki Mohd.
Geological Society of Malaysia (GSM)
... data is about 15 km long and was acquired using dual air gun arrays as the energy source with single streamer. The hydrophone group interval is 26.66...
1994
Full-elastic AVA extraction using acoustic FWI
Michael Warner, John Armitage, Adrian Umpleby, Nikhil Shah, Henry Debens, Fabio Mancini
International Meeting for Applied Geoscience and Energy (IMAGE)
... that doubly converted shear-waves do not appear strongly in hydrophone data. The first model has zero shear-velocity everywhere – this is the model...
2022
Imaging Shallow Reservoirs through Innovation
Jane Whaley
GEO ExPro Magazine
... of the downgoing seismic waves hitting the cables, since they were closer than usual, but discovered that while the hydrophone recorded an immediate...
2017
Geostatistical Integration of Crosswell Data for Carbonate Reservoir Modeling, Mcelroy Field, Texas
William M. Bashore, Robert T. Langan, Karla E. Tucker, Paul J. Griffith
Special Publications of SEPM
... the Grayburg Formation. CROSSWELL DATA ACQUISITION The data were collected using a swept-frequency , piezoelectric source and a seven-level hydrophone...
1995
Mitigation of the 3D Cross-Line Acquisition Footprint Using Separated Wavefield Imaging of Dual-Sensor Streamer Seismic Data A First Example from Malaysia
Mazin Farouki, Andrew Long, Richard Jones, Yee Ah Chim, Magdalene Tang, Hui LeGleut, Shaoping Lu, Dan Whitmore, Adam Betteridge
Indonesian Petroleum Association
... that is reflected downwards from the free-surface of the ocean with opposite polarity (also referred to as the “receiver ghost” version). Conventional hydrophone-only...
2013
Structure of the Gudauta Bank According to Reconnaissance Seismic Investigations
Yu. P. Neprochnov, V. N. Moskalenko
Petroleum Geology: A Digest of Russian Literature
...). The hydrophone of the radio-buoy was lowered to a depth of 50 m. To prevent drift it was connected by a 50-meter cable to another buoy which...
1963
History of Oil: A Time for Reflection
M. Quentin Morton
GEO ExPro Magazine
...). Typically, g eophones record these modes using three components (3C recording or 4C recording in the sea where an extra hydrophone is used...
2022
High-frequency FWI on Clair OBN dataset Challenges and successes
Matvey Romanenko, Lee Saxton, Dan Davies, James Sheng, Faqi Liu, Jan Gromotka, Yang He
International Meeting for Applied Geoscience and Energy (IMAGE)
... was smoothed prior to FWI. FWI was run on raw hydrophone field data for the first four frequency bands (3 Hz, 5 Hz, 6 Hz and 8 Hz) with multiple iterations...
2023
Characterisation of focused gas hydrate accumulations from the Pegasus Basin, New Zealand, using high-resolution and conventional seismic data
Andrew R. Gorman, Patrick T. Fletcher, Dylan Baker, Douglas R.A Fraser, Gareth J. Crutchley, Stuart A. Henrys
Petroleum Exploration Society of Australia (PESA)
... three Bolt APG 8500s airguns recorded by a 10-km-long 800-channel hydrophone array. The HKS02 survey was an academic experiment conducted in June 2015...
2018
Elastic reverse time migration with more than pressure data
Denes Vigh, James Xu, Xin Cheng, Zongcai Feng, Bing Bai
International Meeting for Applied Geoscience and Energy (IMAGE)
... since the hydrophone receiver coupled with the pressure source will receive mostly pressure (P) events and very little possible mode conversion. If we...
2024
Data processing experience with PP and PS imaging on SB-DAS: A North Sea case study
R. Bachrach, M. Wilk-Lopes, D. Brager, S. Sonika, C. Thorgersen, E.B. Raknes, Y. Ivanov
International Meeting for Applied Geoscience and Energy (IMAGE)
... processing sequence, we applied source designature and debubble. The far-field signature was derived from nearfield hydrophone recordings for accurate...
2024
Processing the first full azimuth OBN survey in Australia: a step change in imaging quality
Unnikrishnan Chambath, Vincent Ganivet, Sergey Birdus, Joe Zhou, Alain Delorme, Leigh Scoby-Smith, Ivan Gregory, Matt Kovacevic, Tim Williams, Chris Walton
Petroleum Exploration Society of Australia (PESA)
.... CASE Abyss nodes were used, recording Hydrophone (P), Geophone X (Gx), Geophone Y (Gy) and Geophone Z (Gz). A total of 3100 receivers were deployed...
2019
Dip or Strike? Complimenting Geophysical Sampling Requirements and Acquisition Efficiency for Towed Streamer Marine Seismic
Martin Bayly, Low Cheng Foo, Michelle Tham, M Nabil El Kady, Saeeda Hydal, Thomas Olanrenwaju Ajewole, Nigel Seymour, Satyabrata Nayak, Bidyut Chowdhury, M Faizal Idris, Sandeep K Chandola, M Iqbal Supardy
Indonesian Petroleum Association
... consistent illumination with N-S direction with finer cross cable sampling (marked with white circles and arrows). Figure 4 - QC stacks: Hydrophone...
2016
Hybrid 3D Marine Towed-Streamers and Ocean-Bottom Nodes Survey - Challenges and Solutions for Seismic Data Processing and Imaging
Wai Leng Cheah, Wong Li Ming Joyce, Evonne Hooi Rong Yu, Artem Sazykin, Gavin Menzel-Jones
Indonesian Petroleum Association
... Abstracts, 36513655. Soubaras, R., 1996, Ocean Bottom Hydrophone and Geophone Processing: 66th Annual International Meeting, SEG, Expanded Abstracts...
2019
Seismic Technology Takes-On New Product
Leif Larsen
Petroleum Exploration Society of Australia (PESA)
...-Seabed crew incorporating up to 90 km of cab le. Each sensor housing contains three fixed axis, tightly ca librated geophones, a hydrophone...
2005
Monitoring of CO2 InjectionUsing Seismic Methods at the CO2CRC Otway Project
CO2CRC
Petroleum Exploration Society of Australia (PESA)
... and via sensors located in the I Geophone with clamp 3c Geophone with I clamp I Hydrophone + U-tube Inlet 1500 m m } 1850 m 1700 2000 m 2025 m...
2010