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The AAPG/Datapages Combined Publications Database

Showing 8,089 Results. Searched 200,673 documents.

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Chapter 3: Seismic Data Acquisition, Processing, and Interpretation in the Cook Inlet Basin — Local Geologic and Logistical Impacts

Diane P. Shellenbaum

AAPG Special Volumes

... dips as shown in the cross section in Figure 3 and by stratigraphic complexities in both near-surface and deeper formations that can cause strong...

2013

Some Applications of the Strain Ellipsoid

Theodore A. Link

AAPG Bulletin

... illustrating regional applications of the strain ellipsoid near the surface and at depth. Compressive forces operative as indicated by the arrows...

1929

Geometry, Paleontology, and Petrography of Thornton Reef Complex, Silurian of Northeastern Illinois

Jerome J. C. Ingels

AAPG Bulletin

.... The Thornton Reef Complex is at or near the surface in an area of about 2 square miles, but is reflected in the surface topography in about 5 square miles (Fig...

1963

Diagenesis of Saline Pan Halite: Comparison of Petrographic Features of Modern, Quaternary and Permian Halites

Enrique Casas, Tim K. Lowenstein

Journal of Sedimentary Research (SEPM)

... surrounded by mud. The amount of displacive halite in near surface mud layers may be considerable. Locally the amount of displacive halite may equal...

1989

Interpretation Methods in the Exploration of Oligocene-Miocene Carbonate Reservoirs, Offshore Northwest Madura, Indonesia

David C. Carter, Dwi Mandhiri, Robert K. Park, Imron Asjhari, Syaiful Basyuni, Sergey Birdus, John P. Bradfield, Ary Iriawan, Meutia Nasfiah, M.A. Agung Nugroho

Indonesian Petroleum Association

... within the near-surface overburden (Welker-Haddock et al., 2001), where evidence of progradation had been observed. However, later analysis...

2005

Accurate Depth Conversions Reduce Risk

Larry C. Luton, Corine Prieto

GCAGS Transactions

... the interval velocity and normally has very limited near surface velocity information, an accurate initial or starting velocity is required to generate valid...

2000

Elastic-AdjointNet: A physics-guided deep autoencoder to overcome crosstalk effects in multiparameter full-waveform inversion

Arnab Dhara, Mrinal Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

... characterization and near surface geophysics. Current Elastic FWI algorithms suffers from a critical issue. Elastic FWI suffers from the issue...

2022

Overburden Rock, Temperature, and Heat Flow: Chapter 9: Part II. Essential Elements

David Deming

AAPG Special Volumes

...% of surface heat flow on the continents comes from a superficial layer of radioactively enriched crystalline rocks about 10 km thick (Pollack...

1994

Strike Oriented, Swath Seismic and Its Potential Application to Exploration and Development in the Papuan Fold and Thrust Belt

William F. Robinson IV

Papua New Guinea (PNG) Petroleum Convention Proceedings

... is composed of multiple layers with vertically and laterally variable velocities. Modem raytracing and inversion programs, utilized in an interactive...

1996

An Overview of the Shallow Geology and Environmental Conditions Affecting Petroleum Activities on the Beaufort Shelf, Northern Alaska - Abstract

Peter P. Johnson, James D. Craig

Alaska Geological Society

... layer and near-surface faults. Free gas has been encountered in geotechnical boreholes and may pose a hazard to these shallow drilling operations...

1987

Depositional Environment of the Sharon Conglomerate Member of the Pottsville Formation in Northeastern Ohio

John V. Mrakovich, Alan H. Coogan

Journal of Sedimentary Research (SEPM)

... (Bowen, 1953). The iron oxide occurs principally near the surface of outcrops and along permeable beds and joints. Clay partially fills interstices...

1974

Extracting surface wave dispersion spectra directly from the high-speed train induced vibration

Shengpei Xia, Xinyue Pan, Xiaokai Wang, Wenchao Chen, Jingrui Luo, Haixia Zhao, Wenjing Yan

International Meeting for Applied Geoscience and Energy (IMAGE)

... and environmental seismic sources near railway. Surface wave multichannel analysis (Park et al, 1999) is one powerful method in background noise imaging...

2024

Discussion of Geochemical Exploration (Soil Analysis)

E. E. Rosaire, Eugene McDermott, R. H. Fash

AAPG Bulletin

... is that, in the type of deposits mentioned, usable and significant data have been secured by sampling in the near-surface soils and, under favorable conditions...

1940

Geology of the Coal Basin Area, Pitkin County, Colorado

Bruce A. Collins

Rocky Mountain Association of Geologists

... sediments (see Weimer, 1973); and (c) the compaction of recent, near-surface sediments (Westoll, 1968, pp. 87, 93; Van Straaten, 1960, p. 435...

1977

Abstract: Travel-time Inversion in a Surface Consistent Scheme; #91204 (2023)

Diego Rovetta, Apostolos Kontakis, Daniele Colombo, Ernesto Sandoval Curiel

Search and Discovery.com

... a detailed characterization of the shallow subsurface. A fully automatic and data-driven solution was recently developed to derive near-surface velocities...

2023

N/A

Salt Tectonics and its Effect on Sediment Structure and Gas Hydrate Occurrence in the Northwestern Gulf of Mexico from 2D Multichannel Seismic Data

Dan'l Lewis, William Sager

GCAGS Journal

... for both forms can be seen across the entire survey area, typically located above salt bodies or very near the surface. The variation in acoustic wipeout...

2012

Geology and Petroleum Potential of the Southeast Alaska Continental Margin

T. R. Bruns, P. R. Carlson

Circum Pacific Council Publications

... of relief, and disruption of welldefined near-surface seismic reflections (Figure 7). In most of the crossings of the western set of fault traces, where...

1987

Evaporite-Hydrocarbon Association: Source Rocks, Seals and Plumbing Problems

John Warren

Petroleum Exploration Society of Australia (PESA)

...). The near surface plankton which bloom in these lakes can be so prolific that a Secchi disc disappears at a depth of a few centimetres below...

1990

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