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The AAPG/Datapages Combined Publications Database

Showing 1,098 Results. Searched 200,685 documents.

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Multilayer perceptron and Bayesian neural network based implicit elastic full-waveform inversion

Tianze Zhang, Jian Sun, Daniel O. Trad, Kristopher A. Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... for the selection of initial models. First-arrival traveltime tomography is often used to retrieve smooth P-wave velocity (Teodor et al., 2021...

2022

Marine Geology of Sohm Basin, Canadian Atlantic Margin

Cynthia J. Ebinger , Brian E. Tucholke

AAPG Bulletin

... the crustal structure and sedimentary sequences of the continental rise and abyssal plain (Figure 1). Velocity-depth relations were determined from wide...

1988

Pattern Recognition in a Digital Age: A Gameboard Approach to Determining Petrophysical Parameters

Daniel A. Krygowski, Robert M. Cluff

Unconventional Resources Technology Conference (URTEC)

... plots (both linear and logarithmic scales) can predict in a common environment the following parameters: Matrix parameters to derive porosity from...

2013

Structure and emplacement of mud volcano systems in the South Caspian Basin

Simon A. Stewart, Richard J. Davies

AAPG Bulletin

... is depth; 2-D data are in two-way traveltime. Some locations of seismic sections and structures in this article are not shown for proprietary...

2006

Seismic geomorphology, lithology, and evolution of the late Pleistocene Mars-Ursa turbidite region, Mississippi Canyon area, northern Gulf of Mexico

Derek E. Sawyer, Peter B. Flemings, R. Craig Shipp, Charles D. Winker

AAPG Bulletin

... of interbedded sand and mud. Depth scales are true vertical depth below sea surface (TVDSS), meters below sea floor (MBSF), and two-way traveltime below sea...

2007

G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset

Norman S. Neidell

AAPG Special Volumes

...) Robertson (J.D.), "Carbonate Porosity from S/P Traveltime Ratios," Preprint, 53rd Annual Mtg. SEG, Las Vegas, Sept. 11-15, 1983. (6) Corbin (R.J.), Bell...

1987

Architecture, geomorphology, and sediment gravity flows of a Jurassic subaqueous clinoform system, northeast Exmouth Plateau, North West Shelf, Australia

Peng Chen, and Chris Elders

AAPG Bulletin

... currents: Navier–Stokes-based linear stability analysis: Journal of Fluid Mechanics, v. 615, p. 185–210, doi:10.1017/S0022112008003467. Hansen, L., M...

2019

Seismic sedimentology of a broad, low-relief carbonate platform: The Cambrian Longwangmiao Formation, Moxi–Gaoshiti area, Sichuan Basin, China

Wenzhi Zhao, Hongliu Zeng, Zhaohui Xu, Suyun Hu, and Qilong Fu

AAPG Bulletin

...-ray (left) and velocity curves (right). LWM = Longwangmiao Formation; P base = Permian base; Seq. = Sequence. Figure 5. Two-way traveltime structural...

2024

Standard Interpretation: Part 4. Wireline Methods

Mark Alberty

AAPG Special Volumes

... may measure the interval traveltime of the flushed zone or of the unaltered formation depending upon the depth of invasion and the relative...

1992

Gas Hydrate Offshore Vancouver Island, Northern Cascadia Margin

M. Riedel, Eleanor C. Willoughby, Nigel Edwards, Roy D. Hyndman, George D. Spence, Ross Chapman, Marc-Andre Chen, Ivana Novosel, Katrin Schwalenberg

AAPG Special Volumes

... and modeling the frequency dependence of the BSR (Chapman et al., 2002), determining detailed interval velocity-depth profiles (Yuan et al., 1996), determining...

2009

Deep structure of the Mrida Andes and Sierra de Perij mountain fronts, Maracaibo Basin, Venezuela

Leonardo Duerto, Alejandro Escalona, Paul Mann

AAPG Bulletin

... and sparse seismic velocity information, our interpretations were done on time sections instead of on depth-converted sections. Future time-depth conversions...

2006

9C data acquisition for near-surface imaging in a quick-clay landslide-prone site in SW Sweden

Tatiana Pertuz, Alireza Malehmir

International Meeting for Applied Geoscience and Energy (IMAGE)

... the extremely slow shear-wave velocity in the area (ca. 60-120 m/s), reflection seismic studies benefiting the shear component of the seismic wavefield...

2022

Abstract: Regime Rays: Visualizing the Fermat/Snell Loci in Homogeneous Anisotropic Media; #90171 (2013)

William J. Vetter

Search and Discovery.com

... between paired points on the wave surfaces and their ansatz-front-normal velocity representation surfaces. From traveltime ansatz to regime rays...

2013

Anisotropy Kinematics Clarified through Regime Rrays Model

William J. Vetter

Search and Discovery.com

..., (3) not direction-wise orthagonal to front tangent planes; (4) and, velocity or slowness magnitudes along loci directions differ from those in front...

Unknown

Anisotropy Kinematics Clarified through Regime Rrays Model

William J. Vetter

Search and Discovery.com

..., (3) not direction-wise orthagonal to front tangent planes; (4) and, velocity or slowness magnitudes along loci directions differ from those in front...

Unknown

Basin Evaluation Using Burial History Calculations: an Overview

T. M. Guidish , C. G. St. C. Kendall , I. Lerche , D. J. Toth , R. F. Yarzab

AAPG Bulletin

... interpreted seismic sections that have had two-way traveltime converted to depth and have been tied to the wells. Burial history and thermal history...

1985

Seismic Interpretation of the Triangle Zone at Jumping Pound, Alberta

Robin T. Slotboom, Donald C. Lawton, Deborah A. Spratt

CSPG Bulletin

... the time scale with which to plot the data (i.e., one second of the displayed two-way traveltime is at a depth close to 1900 m). Seismic velocities...

1996

Subsurface mapping of central Israel: Implications for hydrocarbon exploration

Yuval Bartov, Stepan Vygovskiy, and Yuri Volozh

AAPG Bulletin

... = Carnian; T3n = Norian; T3r = Rhaetian; TWT = two-way traveltime; Vint = interval velocity. Velocity Model Concept The velocity model concept involved...

2025

The response of turbidite slope channels to growth-induced seabed topography

Mike Mayall, Lidia Lonergan, Andrew Bowman, Stephen James, Keith Mills, Tim Primmer, Dave Pope, Louise Rogers, Roxanne Skeene

AAPG Bulletin

... on passive margins with high sediment input and underlain by salt and mobile shale are gravity driven: upslope extension detaching at depth on a mobile...

2010

Structure and Stratigraphy of the Hope Basin, Southern Chukchi Sea, Alaska

Ralph B. Tolson

Circum Pacific Council Publications

... and/or kilometers below sea level. Conversions from time to depth are made by using the time-depth curve constructed from stacking-velocity-derived...

1987

Regional Sedimentation Patterns Along the Northern Melanesian Borderland

Thomas M. Brocher, Sugiarta Wirasantosa, Fritz Theyer, Chris Mato

Circum Pacific Council Publications

... by the interval velocities. The resulting velocity-depth columns for the various sonobuoy loca­ tions (shown in Figure 7) are compared REGIONAL SEDIMENTATION...

1985

High-resolution seismic monitoring insights on stress and fault orientations in the Delaware Basin

Adam M. Baig, Aaron Booterbaugh, Sepideh Karimi

International Meeting for Applied Geoscience and Energy (IMAGE)

... in a nonlinear optimization problem involving a three-dimensional velocity model. These locations are refined by consistent repicking implemented...

2022

Seismic impedance estimation from poststack seismic data using quantum computing

Divakar Vashisth, Rodney Lessard

International Meeting for Applied Geoscience and Energy (IMAGE)

... the full potential of quantum computing. Greer and O’Malley (2020) attempted seismic inversion for a binary velocity model using the D-Wave quantum...

2024

Evolution of stratigraphic sequences in multisegmented continental rift basins: Comparison of computer models with the basins of the East African rift system

Juan Contreras, Christopher H. Scholz

AAPG Bulletin

...), and interactions at depth and along strike of normal faults (C. H. Scholz and Contreras, 1998; Gupta and Scholz, 2000). Stratigraphic observations documented...

2001

III Columbia Oil & Gas Investment Conference: Conventional & Unconventional Hydrocarbon Resources - Abstracts

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... a diverse set of functional forms that relate velocities and fluid pressures, using in addition to seismic velocity, predictive variables like porosity, depth...

2008

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