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The AAPG/Datapages Combined Publications Database

Showing 10,780 Results. Searched 195,354 documents.

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SEISMIC REFLECTION SURVEYING FOR OIL AND GAS FIELDS IN NORTH CENTRAL TEXAS

TED COUGHRAN

Fort Worth Geological Society

...-trace offsets used in velocity calculations need to be equal to the depth of the target. If a reef is at a depth of 5,000 feet, horizontal offset traces...

1989

Discovery of the Cunda Gas Field, Bee Block, North Sumatra: An Integrated Geologic/Seismic Stratigraphic Case History

M. D. Burnaman, R. B. Helm, C. R. Beeman

Indonesian Petroleum Association

... of Base Baong average velocity from north to south amplifies the south structural dip in depth. Overall, the time to depth conversion at the Base Baong...

1985

Rates of Weathering and Denudation with Reference to Uplift and Sedimentation

Bryan P. Ruxton

Papua New Guinea (PNG) Petroleum Convention Proceedings

... slowly moving debris to about 80cm above the sedentary weathering profile which freshens with depth to 2 or 3m. As profiles get older, the active...

1990

Geohydrology of Buried Triassic Basin at Savannah River Plant, South Carolina

I. Wendell Marine

AAPG Bulletin

... of anomalous fluid pressures: II. Source layer at depth: Geol. Soc. America Bull., v. 79, no. 9, p. 1107-1122. Hanshaw, B. B., and E. Zen, 1965...

1974

Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)

Roohollah Askari, Robert J. Ferguson, and Helen Isaac

Search and Discovery.com

... variations in the weathering layer need to be resolved in order to compute an appropriate velocity model for the static corrections. This requires both...

2014

Seismic Studies in the Church Rock Uranium District, Southwest San Juan Basin, New Mexico

William T. Phelps, Robert S. Zech, A. Curtis Huffman Jr.

AAPG Special Volumes

.... The velocity of the weathering layer was derived from the inverse slope of the direct arrival event; calculations were made along each line wherever...

1986

Abstract: Geophysical Characterisation of the Elk Reservoir, Gulf Province, Papua New Guinea

J. Storey, S. Sioni, M. Kiele

Petroleum Exploration Society of Australia (PESA)

... characterisation. The rock type and degree of weathering on the surface greatly attenuates the sonic velocity and recoverable frequency in seismic data recorded...

2008

Development of Magnesian Carbonates in Quaternary Soils on the Island of Hawaii

Charles E. Whipkey,, Rosemary C. Capo, Jean C.C. Hsieh, Oliver A. Chadwick

Journal of Sedimentary Research (SEPM)

... A. Chadwick 2002 158 165 Vol. 72 (2002) No. 1. (January) Pedogenic carbonate minerals have progressively developed on basalt in a Quaternary weathering...

2002

Recent Developments in Logging Techniques and Interpretation in Indonesia

Yves M. Pirard, William J. Prins, Carlos Cramez

Indonesian Petroleum Association

... higher porosity and permeability. The FDC-CNL is useful in that respect and CORIBAND* computation gives the percentage of dolomite after corrections...

1976

Velocity as a Problem in Mississippi

R. R. Phillips

GCAGS Transactions

... and to any given depth. The second school of thought holds that the gradient is low except for near surface changes. All our troubles are within...

1951

Geophysics Along the Edwards Trend

W. Lee Moore

GCAGS Transactions

... crews to convert to this method. Seismic energy is recorded on tape and then played back through filtered channels. Weathering and elevation corrections...

1957

Abstract: Weathered granites as potential chemical sieves: impacts of ancient pre-glaciation weathering on the granitoids of southwestern Nova Scotia and the environment

Anne-Marie O’Beirne-Ryan, Marcos Zentilli

Atlantic Geology

...Abstract: Weathered granites as potential chemical sieves: impacts of ancient pre-glaciation weathering on the granitoids of southwestern Nova Scotia...

2006

Weathering of Devonian monzogranites as recorded in the geochemistry of saprolites from the South Mountain Batholith, Nova Scotia, Canada

Anne Marie O’Beirne-Ryan, Marcos Zentilli

Atlantic Geology

...Weathering of Devonian monzogranites as recorded in the geochemistry of saprolites from the South Mountain Batholith, Nova Scotia, Canada Anne Marie...

2006

Abstract: Element mobility as a result of chemical weathering of a Carboniferous saprolite near Valparaiso, Chile

Jessica Drysdale, John Gosse, Anne Marie O’Beirne-Ryan

Atlantic Geology

...Abstract: Element mobility as a result of chemical weathering of a Carboniferous saprolite near Valparaiso, Chile Jessica Drysdale, John Gosse, Anne...

2008

Abstract: Testing the concept of altitudinal weathering zones on Cumberland Peninsula, Baffin Island, using terrestrial cosmogenic nuclide (TCN) exposure dating

A. Margreth, J. C. Gosse, A. S. Dyke

Atlantic Geology

...Abstract: Testing the concept of altitudinal weathering zones on Cumberland Peninsula, Baffin Island, using terrestrial cosmogenic nuclide (TCN...

2011

Abstract: Comparative rates of weathering on ilmenite in titanium deposit from Kahnuj, South of Iran

M. Saadati, M.A. Rajabzadeh, Y. Fedortchouk

Atlantic Geology

...Abstract: Comparative rates of weathering on ilmenite in titanium deposit from Kahnuj, South of Iran M. Saadati, M.A. Rajabzadeh, Y. Fedortchouk...

2016

Abstract: CHARACTERIZATION OF PETROLEUM WEATHERING DURING TIME USING REFLECTANCE SPECTROSCOPY; #90298 (2017)

Saeid Asadzadeh

Search and Discovery.com

...Abstract: CHARACTERIZATION OF PETROLEUM WEATHERING DURING TIME USING REFLECTANCE SPECTROSCOPY; #90298 (2017) Saeid Asadzadeh CHARACTERIZATION...

2017

Ocean/Atmosphere History and Carbonate Precipitation Rates: A Solution to the "Dolomite Problem"?

Rolf S. Arvidson, Fred T. Mackenzie, Michael Guidry

Special Publications of SEPM

... calculations that the observed decrease in the ratio of dololiiite to calcite i l l sedimentary carbonates deposited since tlic Late Cretaceous...

2000

Assessment of the Petroleum Generation Potential of the Neal shale in the Black Warrior Basin, Alabama

Joel, A. Legg, Rona Donahoe, Rich Martens

Unconventional Resources Technology Conference (URTEC)

... information herein. All information is the responsibility of, and, is subject to corrections by the author(s). Any person or entity that relies on any...

2014

Calculation of Paleosalinities from Boron and Clay Mineral Data

Elton L. Couch

AAPG Bulletin

... its ability to fix new boron. Therefore, unless appreciable boron is leached during the weathering cycle, much of the boron observed in a sediment may...

1971

Chemical Weathering in a Subtropical Igneous Terrain, Rio Ameca, Mexico

James I. Drever

Journal of Sedimentary Research (SEPM)

... is consistent with the weathering chemistry of the glass (see Table 2), if chemical reactions are occurring below the depth which could be sampled...

1971

Abstract: Characterizing Weathering Profiles in Peninsular Malaysia

John Kuna Raj

Geological Society of Malaysia (GSM)

...Abstract: Characterizing Weathering Profiles in Peninsular Malaysia John Kuna Raj PERTEMUAN PERSATUAN (Meetings of the Society) CERAMAH TEKNIK...

2023

Geochemical Correlation of Petroleum

J. G. Erdman , D. A. Morris

AAPG Bulletin

... and ethane--have been lost, and seep samples where there are weathering and contamination with oily material from decaying vegetation should not be ignored...

1974

Refraction Statics, A Comparison Among Processing Contractors

Bambang Sudewo

Indonesian Petroleum Association

... for each location was determined. Constant Vo = 800 m/s was used. This was obtained from depth of shot in weathering divided by uphole time. Half...

1985

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