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The AAPG/Datapages Combined Publications Database

Showing 1,098 Results. Searched 200,691 documents.

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Salt tectonics in the western Gulf of Cadiz, southwest Iberia

Hugo Matias, Pedro Kress, Pedro Terrinha, Webster Mohriak, Paulo T. L. Menezes, Luis Matias, Fernando Santos, Frode Sandnes

AAPG Bulletin

..., respectively, with a shot point interval of 25 to 30 m (82 to 98 ft). Recording length was 12,000 ms two-way traveltime (TWT).These 2-D seismic data...

2011

Wings, mushrooms, and Christmas trees: The carbonate seismic geomorphology of Central Luconia, Miocene–present, offshore Sarawak, northwest Borneo

Eduard Koša, Georg M. D. Warrlich, and Guy Loftus

AAPG Bulletin

... paleobathymetry of the surrounding basins and makes correlation between carbonate strata difficult. TWT = two-way traveltime. Over the decades...

2015

Tectonic Control on Hydrocarbon Accumulation in the Intracontinental Albertine Graben of the East African Rift System

Dozith Abeinomugisha, Robert Kasande

AAPG Special Volumes

... of a major fault in the Kaiso-Tonya accommodation zone. TWT = two-way traveltime. 10 km (6.2 mi).The African plate is surrounded on three sides...

2012

Divergent Wrench Faulting in the Belize Southern Lagoon: Implications for Tertiary Caribbean Plate Movements and Quaternary Reef Distribution

Maria Ester Lara

AAPG Bulletin

... (Dillon and Vedder, 1973; Uchupi, 1973). DATABASE AND METHODS The database for the present study consists of the upper 1.5 s (two-way traveltime...

1993

Structural Trend Analysis by Axial Surface Mapping

John H. Shaw , Stephen C. Hook , John Suppe

AAPG Bulletin

... or two-way traveltime) positions of the structure at the mapped horizon. Therefore, VPM maps can be used to construct structure contour maps...

1994

Along-Axis Segmentation and Growth History of the Rome Trough in the Central Appalachian Basin1

Dengliang Gao, Robert C. Shumaker, and Thomas H. Wilson

AAPG Bulletin

... in (c). Time is in seconds two-way traveltime.   End page 80 ---------------- reflectors. Figure 6 demonstrates how vertical exaggeration...

2000

Chapter 14: Gravity, Seismic Reflection, and Tomographic Constraints on the Subduction-to-Strike-Slip Transition at the Southeastern Caribbean Plate Boundary Zone

Tricia G. Alvarez, Paul Mann, Carlos A. Vargas, Lesli J. Wood

AAPG Special Volumes

...; Bilich et al., 2001; Wallace et al., 2012; Krezsek et al., 2013; Boschman et al., 2014). This study integrates seismic traveltime and attenuation...

2021

A stochastic modeling method of seismic velocity and anisotropy parameters in VTI medium using travel time detectability criterion

Andrey H. Shabelansky, Huafeng Liu, Cory J. Hoelting, Min Yang, Jinsong Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... in vertical transverse isotropy (VTI) medium that are based on normal moveout (NMO) traveltime calculations and detectability criterion. We provide...

2022

Mass Areal Seismic Surveying in the Carpathians

V. D. Zav’yalov

Petroleum Geology: A Digest of Russian Literature

... in the “petel” area of the traveltime curve (hodograph). (All boundaries with radii of curviture commensurate with the depth are regarded as not flat...

1958

Estimating Smectite Content from Seismic Data

Roman Beloborodov, Marina Pervukhina, Valeriya Shulakova, Dimitri Chagalov, Matthew Josh, Michael B. Clennell, Gavin Ward, Matthew Waugh, Juerg Hauser

Australian Petroleum Production & Exploration Association (APPEA) Journal

... computed from XRD measurements that were not used for building the GLM. TWT = two-way traveltime. low-pass filtering them to 10 Hz. The background models...

2019

Cross-Well Seismology: A New Production Tool

B. N. P. Paulsson, R. T. Langan

Indonesian Petroleum Association

... traveltimes. The traveltime inversion is nonlinear because the raypaths, as well as the traveltimes, are functions of the velocity field. A common approach...

1988

Triangular impulse tests for stratified gravity inversion

Guibao Liu, Hua-Wei Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 81, no. 2, G27–G40, doi: https://doi .org/10.1190/geo2015-0295.1. Li, W., and J. Qian, 2016, Joint inversion of gravity and traveltime data using...

2022

Finite Difference Modelling: Part IV

Lasse Amundsen, Ørjan Pedersen, Martin Landrø

GEO ExPro Magazine

...: minimum traveltime implies minimum travelled distance in any direction. In Figure 2 (upper row) we show a 2D slice through the spherical wavefront where...

2019

Integrated 3D Seismic Data Modeling and Processing Methodology for Structural Model Analysis: Case Study

T. Salinas

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... in a frontier area”, Journal of Petroleum Geology, 27, 321. Vinje, V., Iversen, E., Gjoystdal, H., 1992, Traveltime and amplitude estimation using wavefront...

2006

Use of Seismic Surveying with the Method of Regulated Directional Reception in Exploration for Reefs in the Southern Cis-Urals

F. I. Khat’yanov, Ya. I. Shul’ts, V. V. Kuryayeva

Petroleum Geology: A Digest of Russian Literature

... of composite traveltime curves of refracted waves from horizons with steep angles of dip (more than 20°) is not possible due to the fact that in observations...

1963

Time-lapse electromagnetic with Gramian

Jide Nosakare Ogunbo, Sang-Wook Kim, Arrey F. Enow

International Meeting for Applied Geoscience and Energy (IMAGE)

.../ 10.1190/segam2020-3415790.1. Ogunbo, J. N., G. Marquis, J. Zhang, and W. Wang, 2018b, Joint inversion of seismic traveltime and frequency-domain airborne electromagnetic data...

2023

Upside down Rayleigh-Marchenko imaging: Towards a practical exact redatuming scheme for ocean bottom acquisitions

Ning Wang, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... for the focusing functions, we introduce a windowing operator Θ−xR , which removes all the events after the traveltime of the first arriving wave from the focal...

2023

Obtaining Low Frequencies for Full Waveform Inversion by Using Augmented Physics

Eldad Haber, Eran Treister, Elliot Holtham

Petroleum Exploration Society of Australia (PESA)

.... and Gesret, A. [2015] First Arrival Traveltime Tomography Using the Fast Marching Method and the Adjoint State Technique. In: 77th EAGE Conference...

2016

Eocene Paleogeography of the Morton Anticline Area, Southwestern Washington

Samuel Y. Johnson, William D. Stanley

Pacific Section SEPM

... traveltime (in seconds) o T- c\l CO Two-way traveltime (in seconds) Figure 3. Section of U.S. Department of Energy seismic-reflection line 4...

1995

Image processing of jointly acquired 3D DAS-VSP data with an OBN survey in the Middle East

G. Yu, H. Liu, Y. Zhang, H. Chen, X. Li, L. Duan, G. Cambois, J. Cowell, J. Mason, Y. Chen, J. Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., S71–S85, doi: https://doi.org/10.1190/geo2022-0279.1. Luo, Y., and G. T. Schuster, 1991, Wave-equation traveltime inversion: Geophysics, 56, 645–653...

2024

Nonparametric Bayesian approach for robust depth uncertainty estimation from seismic velocity and anisotropy tradeoffs

Jinsong Chen, Sizhuang Deng, Min Yang, Andrey Shabelansky, Cory Hoelting, Huafeng Liu, Maisha Amaru

International Meeting for Applied Geoscience and Energy (IMAGE)

... parameters in a vertical transverse isotropy (VTI) medium. They used normal moveout (NMO) traveltime and detectability criteria to guide model...

2024

Seismic impedance estimation from poststack seismic data using quantum computing

Divakar Vashisth, Rodney Lessard

International Meeting for Applied Geoscience and Energy (IMAGE)

... annealer. Albino et al. (2022) and Souza et al. (2022) reformulated the seismic inversion problem into a linearized traveltime inversion problem...

2024

Travel-time tomography for joint velocity and transducer location estimation

Edan Gofer, Raanan Dafni, Albert Shalumov, Ramon Axelrod, Moshe Oziel, Pinny Chaviv

International Meeting for Applied Geoscience and Energy (IMAGE)

... to an accurate model. Herein, we demonstrate an initial model building technique for FWI based on the concept of double-difference traveltime...

2024

FWI derived reflectivity gathers in angle domain

Hu Jin, Simon Luo, Qingqing Liao, Xukai Shen, Ganyuan Xia, Madhav Vyas

International Meeting for Applied Geoscience and Energy (IMAGE)

... AVA response both in extra-salt and subsalt areas. We compare three algorithms: wave-equation traveltime Kirchhoff (WETK), FDR surface-offset gathers...

2024

Computation of phase velocity direction using normalized wavefields

Kwangjin Yoon, Jungkyun Hyun

International Meeting for Applied Geoscience and Energy (IMAGE)

...the maximum amplitude traveltime at each grid point during the simulation and save all snapshots. Next, we estimate wavefront normal at each grid point by choo...

2024

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