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Welcome to the new Datapages Archives

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The AAPG/Datapages Combined Publications Database

Showing 27,576 Results. Searched 191,010 documents.

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Interpreting the Concept of the Sedimentation Unit

Alan V. Jopling

Journal of Sedimentary Research (SEPM)

... the aggradation is directed. A velocity change accompanies such an adjustment, but it is the effect rather than the cause, a dependent variable, rather...

1964

Transportation of Detritus by Moving Water

Filip Hjulstrom

Special Publications of SEPM

...; in turbulent flow it moves in pulsations in a variable way. The velocity of water in laminar flow is always low; in turbulent flow it may be low or high...

1955

Image - Rays and the Treatment of Inhomogeneity in Migration

L. Hatton

Southeast Asia Petroleum Exploration Society (SEAPEX)

... depth conversion. Mildly Variable Velocity: Conformal Dipping Layers. This case is illustrated in Figure 7c. Any time-migration algorithm can be used...

1980

ABSTRACT: METHODOLOGY OF PP/PS EVENT MATCHING IN 4C DATA INTERPRETATION

Keshan Zou, Jianchun Dai, Andy Hannan

Geological Society of Trinidad & Tobago

... is a must for any reasonable multi-component data interpretation downroad. The yielded Vp and Vs ratio could be used for migration velocity updating...

2007

Abstract: The role of hydrogeology in developing effective mine water control programs in fractured porous rocks

John E. Gale, R. MacLeod, G. Bursey

Atlantic Geology

... Major's Path, St. John's, NF AJA 5Al, Canada 1 Many open pit and underground mining sites are characterized by overburden of variable thickness...

1999

Interactive Color Display and Analysis--Added Dimension to Seismic Interpretation: ABSTRACT

G. W. Rice, B. B. Stebens, Peter Macalister Hall

AAPG Bulletin

... in multiple seismic parameters such as reflection strength, velocity, frequency, and structure can be assimilated more effectively with the aid of interactive...

1982

Use of Precise Temperature Logs in Determination of Thermal Properties of Sedimentary Rocks and Investigation of Thermal Evolution of Sedimentary Basins: ABSTRACT

David Blackwell, John Steele, Dan Hagedorn

AAPG Bulletin

... addressed. The thermal properties of many sedimentary rocks are not well known and the depth and time variable changes associated with compaction...

1983

Mid-Tertiary Conglomerate Deposition and Structural Implications, Southwestern Wind River Range, Wyoming: ABSTRACT

Richard J. Bottjer, James R. Steidtmann, Larry T. Middleton

AAPG Bulletin

... with their long axes between transverse and longitudinal positions, indicating later reworking of orientations developed during initial high velocity flows. Thus...

1983

Hydromechanical Principles of Sediment Structure Formation

L.I. Briggs, G. V. Middleton

Special Publications of SEPM

... and direction of the velocity at any point can thus be repre sented by drawing a velocity vector whose direc tion is a tangent to the streamline...

1960

Modeling Tidal Bedding In Distributary-Mouth Bars

Nicoletta Leonardi, Tao Sun, Sergio Fagherazzi

Journal of Sedimentary Research (SEPM)

... for small ratios of mud to sand settling velocity and mud to sand concentration. Bottom friction strongly affects tidal bedding by reducing the length...

2014

Abstract: Reservoir Characteristics of a Quaternary Channel: Incorporating Rock Physics in Seismic and DC Resistivity Surveys; #90211 (2015)

Jawwad Ahmad and Douglas Schmitt

Search and Discovery.com

... properties into geological interpretation. High porosity and poorly consolidated channel sand shows variable seismic velocity that mainly depends...

2015

Physical Basis of Reflection Seismology

Bruce S. Hart

Special Publications of SEPM

... for the sound to travel fro A to B and back again (the two-way travelti e, TWT), we can deter ine the distance AB by ultiplying the velocity of sound...

2000

Flow Behavior of Ponded Turbidity Currents

Marco Patacci, Peter D.W. Haughton, William D. Mccaffrey

Journal of Sedimentary Research (SEPM)

... in slope mini-basins and on small, structurally confined basin floors in strike-slip and foreland-basin settings. They can have a variable internal...

2015

Some Principles and Techniques Used in Reconstructing the Hydraulic Parameters of a Paleo-Flow Regime

Alan V. Jopling

Journal of Sedimentary Research (SEPM)

..., or over a lobate front of a small delta. The merging of current filaments in a variable velocity field affords another example; strong vorticity...

1966

Effects of Biogenic Silica on Acoustic and Physical Properties of Clay-Rich Marine Sediments (1)

JANE S. TRIBBLE , FRED T. MACKENZIE , JOZSEF URMOS , DAVID K. O'BRIEN , and MURLI H. MANGHNANI

AAPG Bulletin

... in highly variable and, at times, inverse velocity-depth gradients. The diagenetic conversion of opal-A to opal-CT and finally to quartz...

1992

Orientation Studies of Waterlogged Wood: A Paleocurrent Indicator?

David I. M. Macdonald, Tim H. Jefferson

Journal of Sedimentary Research (SEPM)

... fragments appear to be current velocity, fragment shape and fragment size. BERTSBERGH, J. W. B., VAN, 1940, Richtungen der sedimentation in der rheinischen...

1985

Profiler-Sonobuoy Measurements in Colombia and Venezuela Basins, Caribbean Sea

William J. Ludwig , Robert E. Houtz , John I. Ewing

AAPG Bulletin

... that the material below B^Prime can contain large amounts of sediment unless the sediment has a velocity near that of basalt. The discontinuous reflectors...

1975

Refraction Shooting with Expendable Sonobuoys: GEOLOGICAL NOTES

J. Ewing , R. Leyden , M. Ewing

AAPG Bulletin

..., 1968, Velocity of deep-sea sediments from sonobuoy data: Jour. Geophys. Research, v. 73, p. 2615-2641. Le Pichon, X., J. Ewing, and R. E Houtz...

1969

Abstract: Interferometric Approach to Complete Refraction Statics Solution; #90187 (2014)

Valentina Khatchatrian and Mike Galbraith

Search and Discovery.com

... refraction data and to replace variable low velocity with the velocity below weathering to improve resolution of the seismic data. A data driven statistical...

2014

Bed Configurations

Gerard Middleton, John B. Southard

Special Publications of SEPM

... velocity for a given discharge is more complicated, because a variable volume of It's generally accepted, water can be stored in the sump. however...

1984

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