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The AAPG/Datapages Combined Publications Database

Showing 7,688 Results. Searched 195,354 documents.

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Where Is My Horizontal Well? Use of Borehole Seismic Where Velocities Vary Laterally

Agus Muharam, Frank Musgrove

Indonesian Petroleum Association

... are less accurate but still more accurate than no information (± 60 feet), due to more variable near surface statics, datuming velocities...

1998

Chapter Ten-part 2: Depth Conversion

Leslie R. Denham, Dave K. Agarwal

AAPG Special Volumes

... to depth directly. Some corrections are usually needed: a correction for a near-surface low velocity layer at the source; corrections of source elevation...

2011

Structure Beneath Continental Shelf, Northeastern Gulf of Mexico

John W. Antoine , James L. Harding

AAPG Bulletin

... of strata with lower seismic velocities than the material above. Evidence is presented that these strata lie somewhere near the top of the Upper Cretaceous...

1965

Influence of Geological Factors on Longitudinal Seismic Velocities

B. B. Weatherby , L. Y. Faust

AAPG Bulletin

... velocities followed the mean closely. Because of the presence near the surface of the weathered layer of rather indefinite extent, some question may exist...

1935

1.5 Crustal Sections: A Wide Angle Seismic Profile

V. J. Hughes, R. S. White, E. J. W. Jones, D. H. Matthews, J. A. Brewer, and D. K. Smythe

AAPG Special Volumes

... using the wide angle profile. The ages of the sedimentary rocks are not well constrained, but those near the surface are probably Permo-Triassic...

1983

Depth Conversion in the Llanos Basin: Workflow to Reduce Fault Shadow Effect.

Andrew Chermak, Gabriel Veloza Fajardo, Juan Carlos Ramón

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... varying Vi in each layer 5. Hybrid VAMPD using a Vo-k approach with Vo as a laterally varying function of seismically interpreted Leon isochron...

2009

Three-Dimensional Depth Imaging of Seismic Data to Help Delineate Petroleum Reservoirs in the Williston Basin

Alvin K. Benson

Williston Basin Symposium

... of layer interfaces. This is because computed depths are sensitive to the model velocities, whereas the lateral position errors requiring...

1995

Abstract: Understanding the Effect of Near-surface Extreme Velocity Heterogeneities on the Seismic Data in the Arid Environment Through High-fidelity Outcrop-based Models; #91204 (2023)

Ahmad Ramdani, Ilya Silvestrov, Yazki Ibrahim, Andrey Bakulin

Search and Discovery.com

...Abstract: Understanding the Effect of Near-surface Extreme Velocity Heterogeneities on the Seismic Data in the Arid Environment Through High-fidelity...

2023

Seismic Refraction Studies in Gulf of California

Richard P. Phillips

AAPG Special Volumes

.... 2, p. 21-28. Dix, C.H., 1955, Seismic velocities from surface measurements: Geophysics, v. 20, no. 1, p. 68-86. Dobrin, M.B., 1960, The refraction...

1964

ABSTRACT: The Role of Statics Application in The Imaging of Sub-Surface in Fold Belt Areas; #90118 (2011)

Arun Kumar Arya, Bharat Chandra Joshi, and Narinder Pal Singh

Search and Discovery.com

... be of great help to build a Near Surface Model. Deep upholes may assist in calibration of velocities and thickness of layers in near surface .Static...

2011

Refraction Statics, A Comparison Among Processing Contractors

Bambang Sudewo

Indonesian Petroleum Association

... these problems in applying any refraction statics program is to properly pick the first breaks coming from refracted raypaths, then build a near-surface...

1985

Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones

Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju

Indonesian Petroleum Association

... environmental impact is a challenge. The shallow water column or the near surface layer can easily create multiple arrivals that mask the primary response...

2013

Shallow VSP for Near-Surface Structure and Statics, #41535 (2015).

Soo-Kyung Miong, Robert R. Stewart, Joe Wong

Search and Discovery.com

... variation and near surface geology changes, traces from raw field records may have wildly varying total root-mean-square power levels: Thus, each trace...

2015

Extended Abstract: What is Wave Equation Pre-stack Depth Migration? An Overview

Andrew Long

Petroleum Exploration Society of Australia (PESA)

... are laterally very smoothly-varying. Seismic 'time' migration attempts to re-position all points on a seismic 'stacked' section into their (reasonably...

2004

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)

... velocities, surrounded by very fast halite and anhydrite rocks. FWI Workflow The initial near-surface model was built using diving wave tomography where...

2023

Seismic Processing in the Papua New Guinea Fold Belt - Recent Experience

N. J. Fisher, F. R. Nicholson

Papua New Guinea (PNG) Petroleum Convention Proceedings

... of a typical seismic iine, which compiicates the replacem ent of the near-surface layer. The geology is often lateraiiy complex so that ray-path distortion...

2000

Sonic velocity, submarine canyons, and burial diagenesis in Oligocene-Holocene cool-water carbonates, Gippsland Basin, southeast Australia

Malcolm W. Wallace, Guy R. Holdgate, Jim Daniels, Stephen J. Gallagher, Andrew Smith

AAPG Bulletin

... and the National Museum of Victoria. Near-surface engineering foundation cores were also available for study. Available samples extend from subsediment depths...

2002

ABSTRACT: Fahud Changing Image - Seismic Processing Contribution to the Rejuvenation of Omans Oldest Oil Field; #90051 (2006)

Cees Van Eden, Suleiman Al-Shukeiry, Johannes Rehling, Harry Rynja, Rupert Cole, Wadie Mansour, Pascal Schoepffer, Nigel Benjamin, Jaap Croese, Oleg Khakimov

Search and Discovery.com

..., interpretation of near surface seismic reflections and seismic velocities. The paper will demonstrate how this was crucial to extract value from Fahud and how...

2006

The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)

Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,

Search and Discovery.com

... with special processing efforts can be of great help to build a Near Surface Model. Deep upholes may assist in calibration of velocities and thickness...

2011

Abstract: P-wave and S-wave Near-surface Characterization in Northeast British Columbia (NEBC); #90174 (2014)

Liliana M. Zuleta and Don C. Lawton

Search and Discovery.com

.... - The velocities obtained through the refraction analysis were used to calculate Vp/Vs for the near surface. High Vp/Vs values for the first layer were...

2014

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