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The AAPG/Datapages Combined Publications Database

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

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Adjustments of Velocity Logs to Tie Geophone Surveys

Warren Hicks

Oklahoma City Geological Society

..., 1954. White, J. E. and Sengbush, R. L.: Velocity Measurements in Near-Surface Formations - Geophysics, Vol. 18, pp. 54-69, 1953. Faust, L. Y...

1961

The Need for Seismic Dip Migration

W. B. Robinson.

Oklahoma City Geological Society

... for weathering and surface elevation. Migration is needed to improve the accuracy of our calculations in order that we may better predict drilling depths...

1958

Field Technique Design for Seismic Reflection Exploration

L. R. Denham

Dallas Geological Society

... it is common practice to use very deep shotholes solely for the near-surface correction data they give, a practice which is often difficult to justify...

1982

Weathering of Glacial Tills in Indiana: II. Heavy Minerals

N. Bhattacharya

Journal of Sedimentary Research (SEPM)

...Weathering of Glacial Tills in Indiana: II. Heavy Minerals N. Bhattacharya 1963 Vol. 33 No. 3. (September), Petrographic data from weathered...

1963

Clay Mineralogy and Relative Age of Tills in North-Central Wisconsin

Mark T. Stewart, David M. Mickelson

Journal of Sedimentary Research (SEPM)

... the weathering of a till starts at the surface and proceeds downward, the till near the surface undergoes the longest period of weathering...

1976

Geophysical and Petrological Study of Precambrian of Central Alberta, Canada

G. D. Garland , R. A. Burwash

AAPG Bulletin

... in other studies in Canada. This density is undoubtedly too high for the surface material over the plains, but there the elevation varies only...

1959

Interpretation of Thorium to Uranium Ratios in Granitic Rocks and Implications for Uranium Exploration: ABSTRACT

John S. Stuckless

AAPG Bulletin

... based on measurements of surface or shallow bore-hole samples that may have been affected by near-surface processes, such as uranium loss by leaching...

1980

Abstract: Time-lapse Surface-Consistent Processing of Buried Receiver Data Using the Virtual Source Method; #90254 (2016)

Christos Saragiotis, Abdullah Ramadan, Andrey Bakulin

Search and Discovery.com

... of the monitoring period. The repeatability noise due to near-surface variability could be significantly reduced, if sources and receivers were buried...

2016

Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data

Robert E. Sheriff

AAPG Special Volumes

... and there are variations in surface elevation, weathering thickness, and irregularities in coverage because of access and permit problems. The conventional section...

1977

Abstract: Improving Reservoir Imaging with Time-Lag Fwi in the Partitioned Zone Between Kuwait and Saudi Arabia; #91204 (2023)

Art Petrenko, Trevor Coulman, Guangfu Shao, Ibrahim Hakam, Mohammed Almutairi, Sujoy Ghose, Kai Zhang

Search and Discovery.com

...-velocity anhydrite layer, underlying a very slow weathering layer (2500 ft/s near the surface). This combination limits the angle of transmitted...

2023

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

... contrast between target structures and background as well as near surface statics due to weathering influence the quality of the seismic reflection...

2013

Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)

Emmanuel L. Bongajum and Bernd Milkereit

Search and Discovery.com

... contrast between target structures and background as well as near surface statics due to weathering influence the quality of the seismic reflection...

2013

Geochemical Exploration for Hydrocarbons - No New Tricks-But an Old Dog

William Duchscherer Jr.

Abilene Geological Society

... Rev., Vol. 11, No. 10, pp. 1092-1104. Horvitz, L., 1939. On geochemical prospecting: Geophysics, Vol 4, pp. 210-228. Horvitz, L., 1954. Near-surface...

1983

Possible Causes of Velocity Mis-Ties

R. A. Broding

Oklahoma City Geological Society

.... It is possible for the ray paths of tie shots to traverse different sections as a result of dip, faults, differential ray paths or near surface velocity...

1961

Plant-Induced Weathering of Hawaiian Basalts

Robert A. Berner, M. Ford Cochran

Journal of Sedimentary Research (SEPM)

... weathering products, rich in Al and Fe, in some cavities and on the upper rock surface. However, in the younger historic flows the amount of clay-size...

1998

Remote surface mapping using orthophotos and geologic maps draped over digital elevation models: Application to the Sheep Mountain anticline, Wyoming

Subhotosh Banerjee and Shankar Mitra

AAPG Bulletin

...Remote surface mapping using orthophotos and geologic maps draped over digital elevation models: Application to the Sheep Mountain anticline, Wyoming...

2004

Remote Sensing for Analysis of Mine Subsidence and Mine Wastes

Douglas C. Peters, K. Eric Livo, Phoebe L. Hauff

Environmental Geosciences (DEG)

... unconsolidated material at and near the surface (Quaternary alluvial deposits; Scott and Wobus, 1983), material that should be less stable than some...

1996

Seismic Exploration in the Rockies - Some Reflections

John M. Parker

Rocky Mountain Association of Geologists

... in shallow auger holes beyond each end of the seismometer away. After correctingfor weathering and the surveyor’s surface elevation data, reflective...

1985

Internal Structure of the Southern Front Range, Colorado, From an Apatite Fission-Track Thermochronology Perspective

Shari A. Kelley, Charles E. Chapin

Rocky Mountain Association of Geologists

..., 1997) of the highest elevation sample indicate that these rocks were near the surface during Ancestral Rocky Mountain deformation (peak deformation 290...

1997

Sand Dune Development within the Simpson Desert and its Effect on Statics Calculation

P. G. Senycia

Petroleum Exploration Society of Australia (PESA)

... base was variable and unpredictable. (c) The relationship between surface elevation and weathering depth was complex. (d) Velocity change did...

1989

Geophysical Case History of the Northwest Sulphur Pool, Murray County, Oklahoma

C. L. Howell

Oklahoma City Geological Society

... in the sub-weathering zone were used for corrections. Figure 1 is a portion of the final time map submitted by SSC's party chief, W. O. Novelly, under...

1958

A Review of Seismic Acquisition Trials and Procedures in the Cooper Basin, South Australia

J. R. Hughes, N. A. Fitzgerald

Petroleum Exploration Society of Australia (PESA)

... in the resolution of the distortion that near surface effects have on seismic data. Thus, much of the effort during the last few years has been...

1989

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