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The AAPG/Datapages Combined Publications Database
Showing 614 Results. Searched 195,364 documents.
Abstract: FWI Using Reflections in Shallow Waters Offshore Abu Dhabi; #91204 (2023)
Carlos Barajas, Olivier Hermant, Oleg Khakimov, Bastian Hutahayan, Guillaume Cambois, Mohamed Mahgoub, Olivier Kirstetter
Search and Discovery.com
... the velocity model using diving waves only, whilst for the second step we use both diving waves and reflected waves to reach the required depth...
2023
Abstract: Building Accurate Depth-Velocity Models in Shallow Water Marine Environment by Joint Reflection/Refraction Velocity Inversion; #90246 (2016)
Sergey Birdus
Search and Discovery.com
.... In this environment, refracted and diving waves can provide additional information for velocity modelling. This paper discusses how Refraction Tomography...
2016
ABSTRACT: Determining Reservoir Compartmentalization Using Differential Wide Aperture Seismic; #90061 (2006)
James H. Leven
Search and Discovery.com
... signals and their short transit time through the reservoir interval. The differential wide aperture seismic (DWAS) technique uses long offset diving waves...
2006
Time-Lapse Refraction Seismic I: A Complementary Monitoring Method?
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... diving waves in a medium where the velocity increases linearly with depth. energy is sent back to the surface at the critical V0 = 2,000 m/s and two...
2017
ABSTRACT: Confirming Depth Models using Differential Wide Aperture Seismic; #90061 (2006)
James H. Leven
Search and Discovery.com
.... Conversely, the use of diving waves in the wide aperture seismic (WAS) technique provides excellent control on the sub-surface wavespeed, but lower...
2006
Abstract: OBN Interferometry for Velocity Model Building in a Challenging Salt Context from Barents Sea; #91204 (2023)
Guillaume Henin, Sujith Swaminadhan, Loic Janot, Sylvain Masclet
Search and Discovery.com
...-low frequency virtual shot gathers from the raw OBN continuous records. The obtained virtual gathers contain diving waves with useful frequencies down...
2023
Advanced Diving Systems: ABSTRACT
H. Dan Wilson
AAPG Bulletin
...Advanced Diving Systems: ABSTRACT H. Dan Wilson 1966 652 652 50 3. (March) (No submitted.) End_of_Article - Last_Page 652...
1966
Bed Forms and Processes on Estuarine Tidal-Current Ridge, Willapa Bay, Washington: ABSTRACT
R. Lawrence Phillips
AAPG Bulletin
... is approximately 3 km long, arcuate in shape, asymmetric in profile, and rises a maximum of 13 m above the channel floor. Repeated high-resolution profiling, diving...
1979
Abstract: Sensitivity Analysis and Application of Time-lapse Full Waveform Inversion: Synthetic Testing, and Field Data Example for Monitoring An Underground Gas Blowout, The North Sea, Norway; #90254 (2016)
Hadi Balhareth, Martin Landro
Search and Discovery.com
... of the full waveform inversion (FWI) technique is paving the way for robustly incorporating head waves as well as diving waves into reservoir...
2016
High-resolution near-surface land FWI across the Delaware basin fill zone
Terence Krishnasamy, James Sheng, Ronaldo Florendo, James Beck, Antonio Sierra, Sam Murphy, Jay Siebens, Yvonne Iwo-Brown
International Meeting for Applied Geoscience and Energy (IMAGE)
... effort acquisitions is prohibitive. In this case study we show how a multistage acoustic FWI approach utilizing different cost functions for diving waves...
2023
Geological Diving: ABSTRACT
Robert F. Dill
AAPG Bulletin
...Geological Diving: ABSTRACT Robert F. Dill 1955 138 138 39 1. (January) Geological diving, one of the newest forms of offshore exploration, is being...
1955
Depositional Complexities in Sea-Ice Environment of Arctic Shelves: Example from Harrison Bay, Alaska: ABSTRACT
Erk Reimnitz, P. W. Barnes
AAPG Bulletin
... winnowed or shaped into 1-m high sand waves by waves and currents. Yearly fathometer and sidescan sonar surveys, many diving observations, and numerous...
1981
Exploration in the North Sea: Abstract
T. F. Gaskell
Tulsa Geological Society
... and falls in waves make diving operations almost impossible, and can raze the seabed from under stationary-type drilling rigs. Despite all the minuses...
1967
Abstract: When Surface Waves Become our Zoom-in Lensa Case Study from Western Desert Of Egypt; #91204 (2023)
Fatma Ibrahim
Search and Discovery.com
...Abstract: When Surface Waves Become our Zoom-in Lensa Case Study from Western Desert Of Egypt; #91204 (2023) Fatma Ibrahim When Surface Waves Become...
2023
Abstract: Recent Successes in FWI Deployment on Land-Data; #91204 (2023)
Moosa Al Jahdhami, Raya Al Kalbani, Ahmed Al Obeidi, Ahmed Al-Harthi
Search and Discovery.com
... that is faced when a sub-optimal starting model is used. The kinematic FWI inversion was run using diving waves with acoustic propagator...
2023
A Robust Gradient for Long Wavelength FWI Updates
Jaime Ramos-Martinez, Sean Crawley, Kathy Zou, Alejandro Valenciano, Lingyun Qiu, Nizar Chemingui, Andrew Long
Petroleum Exploration Society of Australia (PESA)
... in the gradient in heterogeneous media, and is able to deliver velocity updates beyond the penetration depth of diving waves. We use synthetic examples...
2016
Full waveform inversion of simultaneous long-offset data
Nizar Chemingui, Alejandro A. Valenciano, Andrew Long
Petroleum Exploration Society of Australia (PESA)
..., refractions, and diving waves). We combine an acquisition strategy that employs simultaneous shooting to record long offset data and a robust FWI...
2019
ABSTRACT: Velocity Modeling of the Near-Surface Structures by Diving-Wave Tomography, Diving-Wave Penetration Correction and Conventional Refraction Analyses, by Almalki, Hashim; El-Werr, Abdel-Khalek; #90141 (2012)
Search and Discovery.com
2012
Improving reservoir imaging using long-offset OBN data: A case study from Conger field, Gulf of Mexico
Bin Deng, Han Su, Bharat Bonala, Jiawei Mei, Jennifer Lewis, Estefania Ortiz, Wisley Martins
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the diving waves diminish rapidly at reservoir level as we move away from the field center (Figure 3d). The lack of diving waves suggested limited updating...
2023
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
... exploration, information carried by diving waves and post-critical reflections that are used to reconstruct the long-to-intermediate wavelength...
2022
Abstract: Sub-Salt and Sub-Basalt Imaging Using Long Offset and Multicomponent Seismic Data, by J. Gaiser, N. Jones, and P. Fontana; #90923 (1999)
Search and Discovery.com
1999
Diving Services for the Oil Industry*
Fergus Healy
Southeast Asia Petroleum Exploration Society (SEAPEX)
...Diving Services for the Oil Industry* Fergus Healy 1974 114 118 In 1973, prior to the year-end oil crisis, the French Petroleum Institute produced...
1974
Tackling data challenges in land FWI: A case study
Victor Lopez, Yun Dong Guo, QingYang Li, Bin Yu, Changhua Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... and frequency ranges, but conventional FWI using diving waves mostly resulted in minor updates in the shallow regions where the velocity is relatively simple...
2023
Key Technologies for Processing of Seismic Data in Gas Cloud Area, Bohai Bay Basin, #42093 (2017).
Xia Tongxing, Ming Jun, Liu Lei, Zhou Xuefeng, Liu Hongxing, Liu Xuetong
Search and Discovery.com
... methods to attenuate different kinds of multiples. First, single streamer deghosting is applied to attenuate ghost waves and enhance low frequency energy...
2017
Visco-Acoustic Full-Waveform Inversion: A Case Study to Resolve High-Resolution Shallow Channel Absorption, Offshore Indonesia
Jun Wang, Yonghe Guo, Putri Supriandini, Kelik Moersidin, Rahmad Hidayat
Indonesian Petroleum Association
... FWI approach using diving waves for joint estimation of velocity and Q models (Wang et al., 2018). Based on the relationship between stress and strain...
2022