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The AAPG/Datapages Combined Publications Database
Showing 1,055 Results. Searched 200,693 documents.
Broadband Seismic Technology and Beyond: Part VIII: BroadSeis in Exploration
Lasse Amundsen, Martin Landrø, Vetle Vinje, Jo Firth
GEO ExPro Magazine
... 5Hz that is delivered by BroadSeis compared with a flat towed streamer at 20m. The amplitude of the filtered conventional section has to be scaled up...
2014
A 3D immersed boundary method for acoustic wavefield simulation with irregular surface topography
Xiang Li, Ziduo Hu, Yancan Tian, Wei Liu, Zhonghua Xu, Gang Yao
International Meeting for Applied Geoscience and Energy (IMAGE)
... (1972). For seismic wavefield forward modeling, one important step of the immersed boundary method is how to compute the wavefield at the ghost points...
2023
The Challenges of 3D Seismic Application for Athabasca Oil Sands Development; #10681 (2014)
Takehiko Sato, Leigh Skinner
Search and Discovery.com
... the high frequency component of seismic energy then distorts the seismic wavelet locally. Consequently, low amplitude, low frequency shadow zones...
2014
Gemini: A fully operational broadband source for model building and imaging
Carsten Udengaard, David Brookes, Hector Flores
International Meeting for Applied Geoscience and Energy (IMAGE)
... frequencies the source generates more than 6 dB additional energy than standard arrays, the amplitude spectrum also remains relatively flat up to 45 Hz...
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
Seismic Frequency Bandwidth Constraints in Deepwater Locations
Andrew Long, Iain Buchan
Indonesian Petroleum Association
... of the source and receiver ghost effects on the interplay between reflected primary energy and all the other seismic events (multiples, refractions, scattered...
2004
Broadband Marine Seismic, Does Acquisition Make a Difference?
Martin Bayly, Sandeep Kumar Chandola, Low Cheng Foo, Abdul Aziz Muhamad, Swee Leng Ng
Indonesian Petroleum Association
... as spectral shaping could overcome any free surface ghost amplitude attenuation and the phase effects can also be modeled and reversed. However, environmental...
2013
Abstract: Application of Adaptive De-Ghosting on the Conventionally Acquired Seismic Data Improves Inversion Results; #90319 (2018)
Mostafa Salheen, Ivica Mihaljevic, Mohamed Afia, Tarek Nafie, Tarek El-Melegy, Magdy Abdelaty, Raghad ElSayed, Maheswara Phani, Sushobhan Dutta
Search and Discovery.com
... by source and receiver ghost reflections in never ending quest to increase useful frequency range. However, what we could possibly do to fill in the ghost...
2018
A comparison of Marchenko multiples elimination schemes based on the beyond Neumann solution
Rodrigo S. Santos, Daniel E. Revelo, Reynam C. Pestana, Victor Koehne, Marcelo S. Souza, Diego F. Barrera, Laila D. L. Vergne
International Meeting for Applied Geoscience and Energy (IMAGE)
... amplitude. We applied absorbing boundaries on all sides, i.e., we assume that Fourth International Meeting for Applied Geoscience & Energy...
2024
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
... geological interpretation. The methodology exploits the illumination corresponding to surface multiple energy, and thus exploits what has historically been...
2013
Acoustic and Elastic Modeling of Seismic Time-Lapse Data from the Sleipner CO2 Storage Operation
R. J. Arts, M. Trani, R. A. Chadwick, O. Eiken, S. Dortland, L. G. H. van der Meer
AAPG Special Volumes
... amplitude-thickness relationship but with some important additional effects. Arts, R., O. Eiken, R. A. Chadwick, P. Zweigel, L. Van Der Meer, and G...
2009
Upside down Rayleigh-Marchenko imaging: an application to the Volve ocean-bottom cable data
Ning Wang, Matteo Ravasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... wavefields: −g+,− ∂z P+,+ +,+∗ = g ∂z P+,−∗ ∂z P+,− ∂z P+,+∗ f− . f+ (2) Fourth International Meeting for Applied Geoscience & Energy...
2024
ABSTRACT: Exploration Outside of the Mute Zone; the Geophysics of a Billion Barrel Discovery in the Mature North Sea, by Lie, Jan E.; Danielsen, Vidar; #90142 (2012)
Search and Discovery.com
2012
Classifying Reservoir Carbonates When the Status Quo Simply Does Not Work: A Case Study From the Cretaceous of the South Atlantic
Search and Discovery.com
N/A
New technologies for seismic resolution enhancement and bandwidth expansion: Applications in SE Asian Basin
Yasir Bashir, Abdul Halim Abdul Latiff, Muhammad Sajid
Geological Society of Malaysia (GSM)
..., but utilizing different ghost effects, or by utilizing notch diversity along the cable. The set of methods will be commonly known as “broadband...
2024
The high fidelity denoising and imaging of near-field hydrophones(NFH) data
Guangkai Ma, Xuelin Yang, Lubo Liu, Zhaolei Wang, Xiaoqiao Ren, Yifan Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... by different kinds of noise, including hydrostatic pressure noise, bubble, ghost, multiple and so on. The main challenge of NFH imaging is to attenuate...
2024
Abstract: Sub-Basalt Imaging Offshore India (Geophysics Paper 2)
Tim Bunting, Tim Brice, Sean Murray, Chris Koeninger
Geological Society of Malaysia (GSM)
... the sub-basalt events is very low amplitude resulting in poor reservoir imaging, with conventional seismic acquisition. This paper describes a test survey...
2008
Illuminating Resolution
Paul Wood
GEO ExPro Magazine
...) to shallow (red). PGS Separating up- (signal) and down-going (ghost) energy with dual sensors - signals sum but ghosts cancel out. GEO ExPro APRIL...
2011
The Megabreccia Reservoir at Ghost Ranch Oilfield, Railroad Valley, Nevada
Search and Discovery.com
N/A
Marine Seismic Sources: Part II: Air-Gun Arrays for Non Experts
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... by the array is not distributed evenly across the frequency spectrum. The amplitude is largest in the 20-100 Hz interval but some energy...
2010
Maximizing imaging resolution and amplitude fidelity of low-dip stratigraphic traps through continued optimization of seismic acquisition and processing: A case study from the Guyana South East Stabroek Block
Yaxun Tang, Fuxian Song, Lorie Bear, Mark Widmer, Luke Wilson, Vikas Gudipati, Rishi Bansal, Steve Knapp, Chunshou Xia, Wei Zhao, Yu Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
...Maximizing imaging resolution and amplitude fidelity of low-dip stratigraphic traps through continued optimization of seismic acquisition...
2023
1995
High-fidelity full-waveform imaging via impedance inversion
Feng Chen, Yu Zhang, Lian Duan, Weishan Han, Yilong Qin, Qianggong Song
International Meeting for Applied Geoscience and Energy (IMAGE)
... the amplitude of the data. For each iteration of our full waveform imaging framework, we use the true-amplitude reverse time migration to extract the near...
2023
Kutei Basin: Feasibility Study of a Broadband Acquisition
Gilbert Del Molino, Fabri Ikhlas Gumulya, Dedy Sulistiyo Purnomo, Paolo Battini, Bonita Nurdiana Ersan, Francesca Brega, Ferdinando Rizzo, Giorgio Cavanna, Buia Michele
Indonesian Petroleum Association
... methodologies are available all dedicated to the removal of receivers’ ghost effect. The ghost is the result of having the sensors inside...
2013
The Exploration Desk: Age of the Ghost River Formation
Taras P. Storey
CSPG Bulletin
...The Exploration Desk: Age of the Ghost River Formation Taras P. Storey 1955 157 158 Vol. 3 (1955) No. 9. (September) Various discussions by many...
1955