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The AAPG/Datapages Combined Publications Database

Showing 16,574 Results. Searched 195,488 documents.

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Collection and Processing of Digitized Acoustic Log Data

R. A. Broding J. L. Poole

CSPG Bulletin

...., and Berry, James E., 1956, "Application of Continuous Velocity Logs to Determination of Fluid Saturation of Reservoir Rocks," Geophysics, Vol. 21, pp...

1960

A Practical Review of Migration Issues and Solutions; #40723 (2011)

Ian F. Jones

Search and Discovery.com

..., the method of velocity model building must be tailored to the type of depth migration algorithm we intend to use. We nowadays commonly have available...

2011

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

... geology is complex, with extremely shallow waters and a hard water bottom generating high amplitude short period multiples, and thinly bedded high...

2023

Abstract: Application of Acoustic Waveform Tomography to Marine Seismic Reflection Data Contaminated with Strong Guided Waves; #90187 (2014)

Rajesh Vayavur and Andrew. J. Calvert

Search and Discovery.com

... which are highly dispersive in nature. We show that, it was possible to obtain a reasonable P-wave velocity model by careful preconditioning of the data...

2014

Utilizing Geological-Geophysical Cooperation for Successful Exploration: Abstract

Lawrence Y. Faust

Tulsa Geological Society

... of geologists and geophysicists overlap to considerable degree, but it is most important to recognize also the differences between them. This was illustrated...

1963

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)

... including multiples and ghosts using equation (1) and the exact velocity (Fig. 3a) and density (Fig. 3b) models. A typical common shot gather...

2023

New Insights into the North Makassar Basin: Revitalizing the Data Brings New Prospectivity

Marcin Przywara, Jo McArdle, Adriana Sola

Indonesian Petroleum Association

.... The Makassar MC3D dataset has been acquired by PGS MultiClient in 3 stages between 1999 and 2001, ending in approximately 8229 sqkm of full fold area...

2016

Abstract: Rumblings from the Laboratory: Past, Present, and Future

Carl H. Sondergeld

Houston Geological Society Bulletin

... was conducted to develop a better understanding of the correlations between compressional velocities, composition, density, porosity, and pore fluid...

2010

Sub-Basalt Geology, Deepwater Offshore India; #41008 (2012)

Roberto Fainstein, Rajesh Kalra, S. Chandrashekkar, and C. Visweswara Rao

Search and Discovery.com

... to enhance bandwidth in the lower frequencies - Longer offsets for better velocity analysis and discrimination Acknowledgement Data courtesy of ONGC...

2012

Entrainment and Distribution of Different Sand Sizes Under Water Waves

Peter Nielsen

Journal of Sedimentary Research (SEPM)

... to ripple height and boundary-layer thickness. Those experiments show that between different experiments there is little discrimination as to what grain...

1983

Comparison of Multi Azimuth 3D Survey With Conventional Single Azimuth Survey in a Complex Geological Area

Andrea Bergamaschi, Michele Buia

Indonesian Petroleum Association

... wells with confidence. The main geophysical challenges of the area include strong 3D multiples, poor illumination at target level and limited signal...

2009

High resolution imaging by dynamic matching FWI in the presence of AVO effects

Fuchun Gao, Shuqian Dong, Yang He, James Sheng, Faqi Liu, Bin Wang, Carlos Calderon, Yuriy Ivanov, Fanny D. Marcy, Ole E. Aaker

International Meeting for Applied Geoscience and Energy (IMAGE)

... at the boundaries between the synthetic and field data. Please note that multiples in the observed data are inverted too to update model for better...

2023

Oil Sands Reservoir Characterization: A Case Study at Nexen/Opti Long Lake

Laurie Weston Bellman

Search and Discovery.com

... square mile are drilled and cored to obtain enough data to be confident in defining a SAGD1 project area. Even then, significant variations occur between...

Unknown

Oil Sands Reservoir Characterization: A Case Study at Nexen/Opti Long Lake

Laurie Weston Bellman

Search and Discovery.com

... square mile are drilled and cored to obtain enough data to be confident in defining a SAGD1 project area. Even then, significant variations occur between...

Unknown

Abstract: 3D Reservoir Characterization in the Grand Rapids; #90172 (2014)

Laurie Weston Bellman, Marnie E. Connelly

Search and Discovery.com

... Wireline logs directly (or indirectly) measure Pwave velocity, S-wave velocity and density. From these measured logs, the rock physics attributes lambda...

2014

The Use of Physical Modeling to Resolve Offshore Seismic Problems

B. J. Evans, M. Urosevic

Indonesian Petroleum Association

... over the model. To build a model of the Oliver Field and simulate seismic parameters, resins were used to construct the geological structure between...

1995

Structure and Stratigraphy of the Porcupine Basin: Relationships to Deep Crustal Structure and the Opening of the North Atlantic: Chapter 29: European-African Margins

Peter F. Croker, Simon L. Klemperer

AAPG Special Volumes

..., T-Triassic, M-Moho. Question marks show the zone in which it is difficult to distinguish primaries from multiples at the present stage of processing...

1989

Abstract: Subsalt Seismic Modeling and Illumination Analysis in Red Sea Transition Zone; #90254 (2016)

Ewenet Gashawbeza, Hongwei Liu, Saleh AL-Saleh

Search and Discovery.com

... velocity field, acquisition geometry, and a high fidelity algorithm. In this study, two modeling techniques were used: (1) ray-based that is fast...

2016

Illuminating Asset Value at Mad Dog through New Seismic Technology

Michael J. Staines, Scott Michell, Dean Chergotis, and John Sharp

GCAGS Transactions

... velocity model was incorrect, mainly due to ambiguous interpretations of salt. Artifacts from multiples and gaps in the illumination...

2008

Abstract: Nisku Multiple Attenuation with Interpolation and Sparsity: A Case Study; #90172 (2014)

Lee Hunt, Scott Reynolds, Mark Hadley, Scott Hadley, Mike Perz, Ye Zheng

Search and Discovery.com

..., and are contaminated with short period multiples. The advent of high resolution sparse Radon Transform multiple attenuation techniques allows us to examine...

2014

Practical Application of Adaptive Least-Squares Reverse Time Migration (LSRTM) to Advance Field Development and Uncover New Reserves in the Subsalt Provinces

Chong Zeng, Shuqian Dong, Zhaohong Wu, Jean Ji, Darrell Armentrout, Bin Wang

GCAGS Transactions

... constrained dynamic warping to correct the misalignments between synthetic and input waveforms due to short-wavelength velocity errors. The waveform...

2016

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