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The AAPG/Datapages Combined Publications Database

Showing 226 Results. Searched 200,293 documents.

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Abstracts: S-wave Attenuation within the Weathering Layer of an Alberta Heavy Oil Field; #90173 (2015)

Kristof De Meersman

Search and Discovery.com

... meters of overburden. Q values are measured from the spectral ratios of up-going and down-going S-wave refraction energy at each receiver. These up-going...

2015

New Ideas on Gippsland Basin Regional Tectonics

J B Willcox, J B Colwell, A E Constantine

Petroleum Exploration Society of Australia (PESA)

... 1, J 8 COLWELL 1 AND A E CONSTANTINE 2 ABSTRACT A unique, regional grid of deep (12 - 14 second record length), seismic reflection and refraction...

1992

Australia: New Imaging of the Vulcan Sub-basin

Tony Pedley, Richard Palmer, Polarcus, Spectrum

GEO ExPro Magazine

...; • Shallow high velocity hydrocarbon related diagenetic zones; • Coherent noise – multiples and refractions; • Complex faulting leading to poor...

2017

Multiparameter full-waveform inversion addressing complex geological challenges in the Gulf of Suez

Amr Elsabaa, Denes Vigh, Arpana Sarkar, Khaled Abdelaziz, Khaled Hussian, Samir Ahmed, Haytham Abouhadid, Mohamed Maged

International Meeting for Applied Geoscience and Energy (IMAGE)

... including diving waves, refractions, reflections, and multiples within FWI improved subsurface illumination. The FWI derived reflectivity (FDR) (Figure 4b...

2024

Improving the image below complex overburden geology with FWI and Q-tomography: A case study at Etame license area, offshore Gabon

Richard Huang, Chong Chung, Benjamin Cole, Ivan Berranger, Ika Novianti, Paul Ware

International Meeting for Applied Geoscience and Energy (IMAGE)

... study on a multi-azimuth towed streamer survey over the Etame license area in offshore Gabon. The model building and imaging strategy features refraction...

2022

Abstracts: Near-surface Velocity Model Building and Statics in Permafrost Regions; #90173 (2015)

Tianfei Zhu, Yan Yan, and Jon Downton

Search and Discovery.com

... of conventional refraction methods in nearsurface velocity determination, and the strong lateral variations introduce severe statics anomalies. We show...

2015

Abstract: Constraining Anisotropy … Lessons from 2D Modeling; #90211 (2015)

Rob Holt

Search and Discovery.com

... for isotropic refractions, to checking the predictions against real data. Modeling results are presented for the following questions: • • • • How exactly does...

2015

Marine Geology of Sohm Basin, Canadian Atlantic Margin

Cynthia J. Ebinger , Brian E. Tucholke

AAPG Bulletin

... Refraction Measurements, Western Sohm Basin End_Page 1456------------------------------ 10 km depth in the OBH profile, but no deeper refractions...

1988

An Integrated Geophysical Analysis of Crustal Structure in the Wichita Uplift Region of Southern Oklahoma

Amanda Rondot Buckey

Oklahoma City Geological Society

... refraction measurements of crustal structure in Oklahoma: Journal of Geophysical Research, v. 72, p. 3738–3740. Widess, M.B.; and Taylor, G.C., 1959...

2012

Section 2: Improvement of Seismic Images of Complex Tectonic Structure in Deep Water with Research-Level Processing Sequences

John Miller and Roland von Huene

AAPG Special Volumes

... refraction studies near Kodiak, Alaska: Geophysics, v. 37, p. 697-700. VON HUENE, R., 1972, Structure of the continental margin and tectonism...

1986

Presence of Preferential Flow Paths in Shallow Groundwater Systems as Indicated by Tracer Experiments and Geophysical Surveys

Murray E. Close, David C. Nobes, Liping Pang

Special Publications of SEPM

..., there are a number of air-wave refractions, which occur when energy from the ground can critically refract in the air along the surface of the ground (Bohidar...

2004

Sensitivity analysis of acoustic waveform inversion to velocity anomalies in the near-surface using the Frchet derivative

Ao Cai, Colin A. Zelt

International Meeting for Applied Geoscience and Energy (IMAGE)

... windowing of data to invert a certain type of arrivals, including seismic refractions (Sheng et al., 2006), reflections (Xu et al., 2012; Brossier et al...

2022

A Novel Method of Deriving Weathering Statics from First Arrival Refractions

G. W. Hollingshead, R. R. Slater

Pacific Section of AAPG

...A Novel Method of Deriving Weathering Statics from First Arrival Refractions G. W. Hollingshead, R. R. Slater 1980 1 12 One of the principal...

1980

The Reflection Seismograph Celebrates 50th Anniversary 1921-1971

W. B. Robinson

Oklahoma City Geological Society

.... REFRACTION SEISMOGRAPH Let's start with the Refraction Seismograph, the method, using large charges, in which the recording equipment is placed...

2003

Paleocurrents and Shoreline Orientations in Green River Formation (Eocene), Raven Ridge and Red Wash Areas, Northeastern Uinta Basin: REPLY

M. Dane Picard

AAPG Bulletin

... REFRACTION I suggested (1967, p. 390) that the ripple marks and cross-stratification in the Douglas Creek, Garden Gulch, and lower Parachute Creek Members...

1967

Acoustic Properties of Sediment on the Southern Tonga Platform as Determined from Seismic Sonobuoy Studies

Jonathan R. Childs

Circum Pacific Council Publications

...(r) is the refraction velocity. If an acoustic interface generates both refractions and reflection events, the refractor will appear as a tangent...

1985

Seismic Refraction and Reflection Studies in the Timor-Aru Trough System and Australian Continental Shelf: Convergent Margins

R. S. Jacobson , G. G. Shor Jr. , R. M. Kieckhefer , G. M. Purdy

AAPG Special Volumes

...Seismic Refraction and Reflection Studies in the Timor-Aru Trough System and Australian Continental Shelf: Convergent Margins R. S. Jacobson , G. G...

1979

Imaging of Shallow Coal Structures Using 2D6C Mini-SOSIE

Shaun Strong, James Alderman, Steve Hearn

Petroleum Exploration Society of Australia (PESA)

... generated for the trial line. These were generated by analysing the P and S refractions on the separated records. These statics where then applied...

2016

Direct Hydrocarbon Indications Using Seismic Amplitude Variations with Offset

William J. Ostrander

AAPG Special Volumes

... equations govern the partitioning of seismic reflection and refraction energy at an acoustic interface. These equations show that reflected seismic...

1987

Gypsum-Anhydrite Differentiation by Sem Using the Back-Scattered Electron-Signal: RESEARCH METHOD PAPER

P. G. Jordan, M. Duggelin, D. Mathys, R. Guggenheim

Journal of Sedimentary Research (SEPM)

... (Table 1) which are not easily distinguishable in optical investigations of thin sections: 1) celestite and gypsum (identical double refraction), 2...

1991

Seismic Foldout: New Geo Streamer X data for exploration, ILX and appraisal in the Norwegian Sea

Kjetil Roverud, Stefan Möller, Eric Mueller, Jens Beenfeldt, PGS

GEO ExPro Magazine

... impedance contrasts, rough surfaces, complex velocities, and complex anisotropy. In addition, shallow glacial morphology generates strong noise and multiples...

2023

Review of Developments in 1938, Gulf Coast of Southeast Texas and Louisiana

O. L. Brace

AAPG Bulletin

..., Raceland is to be credited to refractions with later reflections. The refraction background was produced rather recently in this instance. End_Page 885...

1939

Exploration: OBN Seismic Unlocks New Play Potential

Grant Byerley, Ayman Rehan, Kareem Mondy, Oliver Cheshire, David Ginger, Abdalla Ibrahim Abouelela

GEO ExPro Magazine

... to make use of the fine sampling of the shots. For wave­ field separation and surface multiples removal, up-down deconvolution (UDD) was used (Brunellière...

2022

Crustal Structure and Rift-Drift Evolution of the Newfoundland Basin: Chapter 16: North American Margins

Brian E. Tucholke, James A. Austin Jr., Elazar Uchupi

AAPG Special Volumes

...-angle reflection/refraction profiles recorded with expendable radiosonobuoys and processed at Woods Hole Oceanographic Institution. In addition...

1989

Innovative disorder seismic attribute for reservoir characterization

Qiang Fu, Saleh Al-Dossary

International Meeting for Applied Geoscience and Energy (IMAGE)

... or refractions from certain subsurface geological structures, e.g. fraction zone, gas chimney, karst collapse, and terminated unconformity; 2. suboptimum...

2022

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