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...

Geology of Rocky Mountain Front Ranges Near Bow River, Alberta: General Geology

Leslie M. Clark

AAPG Special Volumes

... basin is the westward limit of mapping. Middle Cambrian strata along the mountain front are overlain unconformably by the Ghost River formation...

Low-Frequency De-Ghosting Method to Enhance Basement Layer Continuity Image in Foxtrot South East Area, North West Java Sea

Ryan Bobby Andika, Hudzaifah, Deny Martian, Nurudin Mahmud, Sri Sadono

Indonesian Petroleum Association

...-frequency component by using the receiver de-ghosting method. In general, this method is applied to attenuate ghost signals which are commonly recorded during...

Abstract: Belly River Channel Architecture Reservoir Analog … Ghost Dam, Cochrane, Alberta; #90187 (2014)

D. S. Coutts and P. K. Pedersen

Search and Discovery.com

...Abstract: Belly River Channel Architecture Reservoir Analog … Ghost Dam, Cochrane, Alberta; #90187 (2014) D. S. Coutts and P. K. Pedersen AAPG Search...

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...

Geology of the Wasootch Creek Map-Area, Alberta [Abstract]

D. L. Scott

CSPG Bulletin

... of the Bow Valley region. The Ghost River or Arctomys Formation has been removed on one fault block by pre-Devonian erosion. End_Page 922...

Stratigraphy and Petroleum Trapping Mechanisms of Upper Jurassic Entrada Sandstone, Northwestern New Mexico: ABSTRACT

Ronald S. Reese

AAPG Bulletin

... basin Echo Amphitheater-Ghost Ranch area show long, parallel, eolian transverse dune buildups in the upper Entrada perpendicular to the dominant wind...

Abstract: A Mimetic Scheme for Finite Difference Modeling of Acoustic Reflection; #90255 (2017)

F. Solano-Feo, J. M. Guevara-Jordán, O. Rojas1, C. González-Ramírez, B. Otero, R. Rodríguez

Search and Discovery.com

...Abstract: A Mimetic Scheme for Finite Difference Modeling of Acoustic Reflection; #90255 (2017) F. Solano-Feo, J. M. Guevara-Jordán, O. Rojas1, C...

Broadband Seismic Technology and Beyond: Part VIII: BroadSeis in Exploration

Lasse Amundsen, Martin Landrø, Vetle Vinje, Jo Firth

GEO ExPro Magazine

... in the shallow detail and in the fractured basement. Ghost-Free Data As discussed in GEO ExPro, Vol. 11, No.1, BroadSource is a synchronized source with two gun...

Geometry and Morphology of Crustacean Burrows in Torrey Pines and Bodega Estuaries, California: ABSTRACT

Eric J. McHuron, Kenneth J. McMillen, John E. Warme

AAPG Bulletin

.... Burrows studies include those of two ghost shrimps (Callianassa californiensis and C. longimana), a fiddler crab (Uca crenulata), and two grapsoid...

Abstract: A Dual-Sensor Towed Marine Streamer Cable: Acquisition and Processing, by Walter Söllner, Svein Vaage, David Carlson, Martin Widmaier, Anthony Day, and Stephen Pharez; #90077 (2008)

Search and Discovery.com

Abstract: Dual Sensor Seismic Examples from Around the Middle East, by Mark Spencer-Jones and Per H. Semb; #90105 (2010)

Search and Discovery.com

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)

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Abstract: Geology of Eagle Springs Oil Field, Railroad Valley, Nevada, by Jerome Hansen and Carl Schaftenaar; #90169 (2013)

Search and Discovery.com

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

Experiences with Dual-Sensor Towed Streamer Acquisition and Imaging in the Eastern Mediterranean, #41831 (2016).

Martin Widmaier, Oystein Lie

Search and Discovery.com

... in the Eastern Mediterranean region during the last years. Dual-Sensor Streamer Technology and Wavefield Separation Ghost reflections from the sea surface have...

Marine Acquisition and Processing Using Dual Sensor Towed Streamer (Geophysics Paper 1)

Walter Söllner, Svein Vaage, David Carlson, Martin Widmaier, Anthony Day, Stephen Pharez, Maz Farouki

Geological Society of Malaysia (GSM)

.... The consequence is that a series of “ghost” notches are introduced into the frequency spectra, and the reflection wavelet is undesirably elongated...

Abstract: 3C Deghosting for Refraction Time-lapse Monitoring; #90187 (2014)

P. B. Wills and K. De Meersman

Search and Discovery.com

... with good S/N, we see a high amplitude ghost reflection. As the receiver moves from deep (right) to shallow (left), the ghost delay becomes smaller...

Marine Broadband Seismic Data Acquisition: PETRONAS Perspective (Paper A1)

C. F. Low, S. Chandola, Z. M. Zawawi, A. Aziz Muhamad, S. Kumar, M. Shah Sulaiman

Geological Society of Malaysia (GSM)

... an improved bandwidth in the final image. improving resolution, enhanced imaging of thin beds and In variable depth configuration, the receiver ghost notches...

An immersed absorbing boundary condition for scalar wavefield modeling under topography

KeJi Chen, Hanming Chen, Hui Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

... modeling. We place the irregular surface at fractional grid nodes according to the true topography and we predict the wavefields at ghost grid points...

Marine Seismic Sources: Part XI: Effect of Seismic on Crabs

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

... The Atlantic Ghost Crab (Ocypode quadrata) is a very common species on the beaches of north-east Florida, where it lives in burrows well above...

Offshore Bar Deposits of Semilla Sandstone Member of Mancos Shale (Upper Cretaceous), San Juan Basin, New Mexico

Neal A. La Fon

AAPG Bulletin

... herein the Holy Ghost and Bernalillito Arroyo bars. They pinch out in all directions into time-equivalent facies of the Mancos Shale. This equivalent...

Is There Value in Reprocessing Legacy Marine Streamer Seismic for Improved Resolution? A Recent Example from Indonesia

Dmitri Skorinski, Ted Manning

Indonesian Petroleum Association

...). Ghost reflections from the sea surface are a wellknown phenomenon limiting the bandwidth of marine seismic data, referred to as the source and receiver...

Fullband imaging

Zhengmin Zhang, Jiwei Jia, Geping Fu, Hao Zhang, David Chow, Barry Hung, Ian Anstey, Wai Leong Lai

Petroleum Exploration Society of Australia (PESA)

... of ghost and the absorption effect of an anelastic earth. The ghost effect is the result of reflections from the surface of the ocean. These reflections...

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

... displays. Overall the experiment shows that we can model the cable ghost response of the system well enough to understand the response of real data...