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The AAPG/Datapages Combined Publications Database

Showing 60,824 Results. Searched 200,619 documents.

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Ascending

Geologic Significance of a Geothermal Gradient Curve

Walter B. Lang

AAPG Bulletin

... conductivity coefficients of the different types of rocks as they exist under natural conditions. The meager data that are now available are the product...

1937

Hypersaline Flow Back Water: What it Tells Us about Shale Gas Reservoir Properties

Clara Palencia, Lori Hathon, Michael Myers

Unconventional Resources Technology Conference (URTEC)

... or from micro or macro fractures. Additionally, only a small fraction of the injected fluid is recovered during the clean-up phase and the mechanisms...

2020

Annual Layers Revealed by GPR in the Subsurface of a Prograding Coastal Barrier, Southwest Washington, U.S.A.

L.J. Moore,,, H.M. Jol, S. Kruse, S. Vanderburgh, G.M. Kaminsky

Journal of Sedimentary Research (SEPM)

... control for the GPR reflectors. GPR AND SUBSURFACE REFLECTIONS Subsurface profiling with GPR relies on the propagation and reflection of electromagnetic (EM...

2004

Sedimentologic and Paleocurrent Study of Mauch Chunk Sandstones (Mississippian), South-Central and Western Pennsylvania

Momin Ul Hoque

AAPG Bulletin

..., p. 514-529. Friedman, G. M., 1962, On sorting, sorting coefficients, and the log normality of the grain-size distribution of sandstones: Jour. Geol...

1968

Archaeocyatha of Eastern California and Western Nevada

Roland A. Gangloff

Pacific Section SEPM

... Department of Chemistry and Earth Sciences Merritt College Oakland, California 94619 archaeocyathids from the White-Inyo Mountains are not as well...

1976

Chapter 5: The Evangeline Trail

Craig K. Miller, G. C. Milligan

Atlantic Geoscience Society Special Publications

..., whence the upland continues to Yarmouth. It is underlain by resistant metamorphic rocks of the Cambro-Ordovician Meguma Group, the White Rock and Kent...

1991

Punctuated Deep-Water Channel Migration: High-Resolution Subsurface Data from the Lucia Chica Channel System, Offshore California, U.S.A.—Discussion

Ven Kolla

Journal of Sedimentary Research (SEPM)

... lines of reflection tracings, shown in Figure 1B here, are largely similar to the solid red lines of reflection tracings of Maier et al. (2012...

2013

2D Petroleum Systems Modeling of Queen Charlotte Basin, Offshore British Columbia, Canada

Torge K. Schumann, Kristin M. M. Rohr, Michael J. Whiticar

CSPG Bulletin

... is Mesozoic units capping the basement high between Basin D and E, which look like small tilted fault blocks in the seismic reflection data (Figure 3...

2013

Uranium Deposits in the White Canyon and Monument Valley Mining Districts, San Juan County, Utah, and Navajo and Apache Counties, Arizona

W. D. Grundy, E. W. Oertell

Utah Geological Association

...Uranium Deposits in the White Canyon and Monument Valley Mining Districts, San Juan County, Utah, and Navajo and Apache Counties, Arizona W. D...

1958

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)

... and seismic refractions. The migration mode is linked with small aperture angles, diffracted energy, and reflection data. In the near-surface applications...

2022

Multicomponent Analysis of FTIR Spectra: Quantification of Amorphous and Crystallized Mineral Phases in Synthetic and Natural Sediments

Jacques Bertaux , Francois Frohlich , Philippe Ildefonse

Journal of Sedimentary Research (SEPM)

...; Salisbury 1993). Spectroscopic data are measured either in transmission or in reflection mode, and spectra record absorption or emission features...

1998

Determination of Paleoheat Flux from Vitrinite Reflectance Data

I. Lerche , R. F. Yarzab , C. G. St. C. Kendall

AAPG Bulletin

... this highly nonlinear least-squares problem involved a steepest descent technique in a five-dimensional parameter space: TA, TD, and three coefficients for Q...

1984

Do Gas Hydrates Occur in Alaminos Canyon, Gulf of Mexico?

Brian C. Tost, Ann E. Cook

Unconventional Resources Technology Conference (URTEC)

.... Thus, a large change in formation density and/or velocity will result in a large reflection coefficient. The largest reflection coefficients for AC...

2013

Tarzana Fan, Deep Submarine Fan of Late Miocene Age Los Angeles County, California

Harold H. Sullwold, Jr.

AAPG Bulletin

...., 1947, "Geology of a Small Portion of the Central Santa Monica Mountains, California," Senior thesis in University of California, Los Angeles, library...

1960

The evolution of coastal-plain incised valleys over multiple glacio-eustatic cycles: Insights from the inner continental shelf of Delaware, U.S.A.

C. Robin Mattheus, Kelvin W. Ramsey, Jaime L. Tomlinson

Journal of Sedimentary Research (SEPM)

... abundantly studied along passive continental margins, little work has addressed the development, reoccupation, and infilling of systems with small...

2020

Source of "Corniferous" Oil in Eastern Kentucky: GEOLOGICAL NOTES

Ralph N. Thomas

AAPG Bulletin

... quantities. An example of this is found in the Isonville pool of Elliott County, where a dome produces a small amount of gas from the highest part...

1938

Stratigraphic and Structural Framework of the Clemente-Tomas and Corsair Growth Fault Systems in the Texas Continental Shelf

Olabisi Ajiboye, Seiichi Nagihara

GCAGS Journal

... the acoustic impedances of the rock layers by multiplying the P-wave velocities and densities obtained from logs. Then, reflection coefficients...

2012

Geological and Seismic Evaluation of a Lower Mannville Valley System; Alderson Prospect, Rolling Hills, Southeastern Alberta

John C. Hopkins, Don C. Lawton, Jack D. Gunn

CSPG Bulletin

... geometry of the valley fill cannot be resolved directly from the seismic data because of the small size of the channel. However, the geometry...

1987

Stratigraphic Reference Section for Georges Bank Basin--Depositional Model for New England Passive Margin

C. Wylie Poag

AAPG Bulletin

...) A multichannel seismic reflection profile (U.S. Geological Survey line 19), calibrated with the COST G-1, COST G-2, and Shell Mohican I-100 wells...

1982

Geology, Petrology and Geochemistry of Submarine Volcanoes Around Epi Island, New Hebrides Island Arc

Anthony J. Crawford, H. Gary Greene, Neville F. Exon

Circum Pacific Council Publications

...) and intermediatepenetration (airgun) seismic-reflection profiles and magnetic data were collected. The tracklines (Figure 3) form a tightly spaced grid with a spacing...

1988

Quantification of Bioturbation in Hemipelagic Sediments Via Thin-Section Image Analysis: RESEARCH METHODS PAPERS

Pierre Francus

Journal of Sedimentary Research (SEPM)

... black and white images. In these images black pixels are silt-size, larger grains and the clay-size sedimentary matrix are white pixels. Once...

2001

Seismic-Stratigraphic Interpretation of Depositional Systems and its Role in Petroleum Exploration (Part 2)

L. F. Brown Jr., W. L. Fisher

AAPG Special Volumes

... in expanding man's domain: Geophysica, v. 32, p. 1-17. McMasters, R. L., J. DeBoer, and A. Ashraf, 1970, Magnetic and seismic reflection studies...

1980

High-Resolution Seismic Work as Tool to Locate Stratigraphic Traps: ABSTRACT

John B. Farr

AAPG Bulletin

...High-Resolution Seismic Work as Tool to Locate Stratigraphic Traps: ABSTRACT John B. Farr 1979 448 448 63 3. (March) The seismic reflection method...

1979

Resolution, Bandwidth, and Money: ABSTRACT

N. A. Anstey

AAPG Bulletin

... by manipulating the charge size, the depth, and the ghost reflection; many small charges and a few large charges may be combined in the CDP technique...

1981

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