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The AAPG/Datapages Combined Publications Database

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

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Application of Full Waveform Inversion to Resolve an Eroded Shallow Carbonate Platform, North Madura, East Java, Indonesia

David Cavalin, Nurrul Ismail, Tom Paten, Kola Agbebi, Dave Lim

Indonesian Petroleum Association

... frequencies of the recorded data to drive a more complex velocity model update technique: Full Waveform Inversion (FWI). Standard traveltime...

2019

3.4 Detached Sediments: 3.4.1 Decollement Tectonics (A-Subduction): Subsurface Structure of the Ouachita Mountains, Arkansas, from COCORP Deep Seismic Reflection Profiles

R. J. Lillie, K. D. Nelson, B. de Voogd, J. E. Oliver, L. D. Brown, and S. Kaufman

AAPG Special Volumes

... in their approximate migrated time positions in Figure 3b. The approximate depth scales assume that 1.0 sec of two-way traveltime represents 2.5 km (or 8,000 ft...

1983

Extending the Southwest Limits of Jonah Field: Using High-quality, 3-D Seismic Data to Improve the Structural Definition

S. G. Siguaw, D. C. Friend

AAPG Special Volumes

...-way traveltime in seconds.Figure 11. Northwestsoutheast arbitrary seismic line through the Yellow Point 21-26 well and showing the location...

2004

Tectono-sedimentary evolution and petroleum systems of the Mundaú subbasin: A new deep-water exploration frontier in equatorial Brazil

Narelle Maia de Almeida, Tiago M. Alves, Francisco Nepomuceno Filho, George Satander Sá Freire, Ana Clara Braga de Souza, Márcio Nunes Normando, Karen M. Leopoldino Oliveira, and Thiago Henrique da Silva Barbosa

AAPG Bulletin

...) (Figure 2). Two regional seismic lines reach 18,000 ms two-way traveltime (twt) depth, whereas others reach approximately 7000 ms twt. A three...

2020

ABSTRACT: Three-dimensional architecture of shelf-building sediment drifts in the offshore Canterbury Basin, New Zealand; #90013 (2003)

HONGBO LU, CRAIG FULTHORPE, PAUL MANN

Search and Discovery.com

... is a measure of the depth to the area near the paleoslope toe where each drift initiates. The difference in traveltime between this point and the slope...

2003

An Inverse Approach for Relating Seismic Velocity and Overpressure to Permeability and Sedimentation History in Deep Basins, #40863 (2012)

Hector M. Moreno, Tim A. Minshull, Rosemary A. Edwards,

Search and Discovery.com

..., and traveltime residuals colour coded by phase at the bottom. The ray coverage and velocity structure plots are plotted with 3:1 vertical exagge...

2012

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

Ralph B. Tolson

Circum Pacific Council Publications

... and an air-gun source. Seismic Sequences In the text and figures, seismic section depths are expressed in seconds of two-way seismic reflection traveltime...

1987

Preliminary Interpretation of Seismic Data from Lower Cook Inlet, Alaska

Michael A. Fisher

Pacific Section of AAPG

... forms the acoustic basement. Generalized contour maps of two-way seismic traveltime have been produced for the shallow A-horizon (fig. 4) and the deep...

1976

Fractured Continuum Approach to Stochastic Permeability Modeling

S. A. McKenna, P. C. Reeves

AAPG Special Volumes

... the advective traveltime of particles through the heterogeneous systems.Another technique for modeling fluid flow in groundwater and petroleum systems...

2006

Multifocusing 3-D Diffraction Imaging for Dectection of Fractured Zones in Mudstone Reservoirs

Alana Schoepp, Evgeny Landa, Stephane Labonte

Unconventional Resources Technology Conference (URTEC)

... Multifocusing Method which consists of an optimal summation of seismic data along in diffraction traveltime trajectories (Berkovitch et al., 2009...

2014

Inverse 4D seismic timeshifts: How much do our reservoirs rebound?

Jan Stammeijer, Duane Mikulencak, Chen Bao

International Meeting for Applied Geoscience and Energy (IMAGE)

..., a blue colour represents traveltime reduction. The replacement well had not yet been drilled. Timeshifts in the Salt located below the wells are noisy...

2023

GPR surveys reveal the subsurface geology of major sea turtle nesting islands in the Saudi waters of the Arabian Gulf

Sherif Hanafy, Korhan Ayranci, Rommel H. Maneja, Ace Vincent B. Flandez, Jinoy Gopalan, Diego F. Lozano Cortes

International Meeting for Applied Geoscience and Energy (IMAGE)

... over the metallic anomaly after processing. The Object is buried at a depth of 14 cm and the two-way traveltime is 1.77 ns, hence the GPR propagation...

2023

Frequency Attenuation: A Fracture Indicator

Ilyas J. Najmuddin

Houston Geological Society Bulletin

... spreading; S(f) - source function; R(f) - receiver function Writing the equation with t* A(f,x)= G . S(f) . R(f) exp(f t*) For a specific traveltime (fixed...

2001

Seismic Foldout: Discover more in Møre, Norway

Marit Stokke Bauck, Anna Rumyantseva, Idar Kjørlaug, VIRIDIEN

GEO ExPro Magazine

... 4s 5s Figure 1: (a) Seismic section across the NVG final data and the recent NVG24. The vertical scale is in two-way traveltime. (b) Coloured...

2025

Robust phase-driven time warping FWI for salt reconstruction

Guanghui Huang, Alejandro Alcudia-León, Jaime Ramos-Martínez, Nizar Chemingu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Expanded Abstracts, 817–821, doi: https://doi.org/10.1190/segam2021-3594800.1. Luo, Y., Y. Ma, Y. Wu, H. Liu, and L. Cao, 2016, Full-traveltime inversion...

2024

Integrated Rock-Log Calibration in the Elmworth Field - Alberta, Canada: Well Log Analysis Methods and Techniques: Part II

R. W. Hietala, E. T. Connolly

AAPG Special Volumes

... calibration in casing. End_Page 230------------------------ traveltime; (5) density and neutron porosity greater than acoustic; (6) gauge bore hole...

1984

Lithoprobe Basin-Scale Seismic Profiling in Central Alberta: Influence of Basement on the Sedimentary Cover

D.W. Eaton, B. Milkereit, G.M. Ross, E.R. Kanasewich, W. Geis, D.J. Edwards, L. Kelsch, J. Varsek

CSPG Bulletin

...; on the basis of onlapping relationships and systematic traveltime-difference minima with respect to the Second White Specks reflection, it appears to have...

1995

Understanding The Mesozoics Beyond Basalt: A Case Study Of Sub-Basalt Imaging

S. Sengupta, S. K. Goswami, G. Menzel-Jones, B. Chowdhury, Artem Sazykin

Indonesian Petroleum Association

... on the local traveltime differences (Jiao et al. 2015; Vigh et al. 2016) to overcome the limitations of conventional least-squares FWI using a simple initial...

2020

Towards Quantitative Assessment of 4D DAS Time Shifts for Enhanced Stimulated Rock Volume Characterization

Yesser Haj Nasser

Unconventional Resources Technology Conference (URTEC)

... seismic modeling workflow to predict P-wave traveltime delays due to hydraulic stimulation. In this model, a time-dependent effective medium describes...

2022

Chapter 14 (Case Histories of Three-Dimensional Seismic Surveys)—Case History 4: 3-D Seismic Interpretation of an Upper Permian Gas Field in Northwest Germany

H. E. C. Swanenberg, F. X. Fuehrer

AAPG Special Volumes

... definition and resolution of the target horizon at 3500 to 4000 m depth (corresponding to 2.2 to 2.4 sec two-way traveltime) is severely influenced...

2011

Extended Abstract: Using Crosswell Measurements to Enhance Velocity Model Calibration for Real-Time Microseismic Monitoring

Leah J. Hogarth, Conrad Kolb, Joël Le Calvez

GCAGS Transactions

.... Measurements of the velocity field, reflectivity, and attenuation provide crosswell products such as traveltime and attenuation tomography (e.g., Carrillo...

2016

3.4 Detached Sediments: 3.4.2 Decollement Tectonics (B-Subduction) and Active Margins: Compressional Features Across the Caribbean Margin of Colombia

J. W. Ladd and M. Truchan

AAPG Special Volumes

... prism from CDP 1800, the top of oceanic crust projects to about 12 secs two-way traveltime at CDP 3200. With an average sediment velocity of 2 to 3 km...

1983

Structure and Development of Porcupine Seabight Sedimentary Basin, Offshore Southwest Ireland

D. G. Masson, P. R. Miles

AAPG Bulletin

... boundary and ridge is uncertain. Profile located on Figure 1. TWT = two-way traveltime. Fig. 4. Gravity anomaly model across southern Porcupine...

1986

Bryant Canyon Fan System: An Unconfined, Large River-Sourced System in the Northwestern Gulf of Mexico

Gwang H. Lee , Joel S. Watkins , William R. Bryant

AAPG Bulletin

... of study area (modified from Lee et al., 1989). Areas not underlain by salt and with depth of salt greater than 4 s two-way traveltime are shown...

1996

Combining seismic reservoir characterization workflows with basin modeling in the deepwater Gulf of Mexico Mississippi Canyon area

Wisam H. AlKawai, Tapan Mukerji, Allegra Hosford Scheirer, and Stephan A. Graham

AAPG Bulletin

... data frequency spectrum applied to constrain the high cut filter of the (B) low-frequency background model. TWT = two-way traveltime...

2018

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