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The AAPG/Datapages Combined Publications Database

Showing 1,055 Results. Searched 200,693 documents.

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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

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

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

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

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