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The AAPG/Datapages Combined Publications Database

Showing 27,259 Results. Searched 190,142 documents.

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Fluid Flow

Gerard Middleton, John B. Southard

Special Publications of SEPM

... the speed of movement of the fluid is important, because this governs both fluid inertia and rates of A good variable of this kind is the mean velocity...

1984

Abstract: The Role of Microbial Activity on Petrophysical Properties; #90153 (2012)

Gregor P. Eberli, Klaas Verwer, Giovanna Della Porta, Ralf J. Weger

Search and Discovery.com

... deposits. As a result, microbialites are petrophysically characterized by high porosity and high velocity, although the pore types in microbialites...

2012

Representation of Bed Configurations in Depth-Velocity-Size Diagrams

John B. Southard

Journal of Sedimentary Research (SEPM)

... variable. The sections in Figures 2 and 3 show that neither case is true of the depth-velocity-size diagrams. Figures 2A, 2B, and 2C show similar...

1971

Abstract: A Southern North Sea Multi-Survey preSDM using Hybrid Gridded Tomography; #90211 (2015)

Ian Jones, Emma Evans, Darren Judd, Alan Campbell, and Steve Elam

Search and Discovery.com

... used for North Sea type environments, where sedimentary interfaces delimit changes in the velocity field and the geology ‘lends itself’ to a layer-based...

2015

Inferring Stratigraphy from Seismic Data

R. E. Sheriff

AAPG Bulletin

... and attitude of reflecting interfaces has been supplemented in recent years by measurements of velocity and amplitude for stratigraphic and lithologic...

1976

Devonian Lithology Identification Utilizing Porosity Logs

G. F. Chambliss

Four Corners Geological Society

... in different manners. The Sonic log, for any given porosity, would indicate a higher formation velocity in limestone that it would in sandstone...

1960

Characterization of a Sediment Core from Potential Gas-hydrate-bearing Reservoirs in the Sagavanirktok, Prince Creek, and Schrader Bluff Formations of Alaska's North Slope: Part 5Acoustic Velocity Core Studies

R. F. Sigal, C. Rai, C. Sondergeld, B. Spears, W. J. Ebanks Jr., W. D. Zogg, N. Emery, G. McCardle, R. Schweizer, W. G. McLeod, J. Van Eerde

AAPG Special Volumes

...% ice. The percentage of quartz is 60.4% minus the percentage of clay.Figure 8 shows the velocity bounds for a quartz-ice system for a variable...

2009

Seismic Imaging through Outcropping Carbonates: An Example from the Canadian Rocky Mountains, , #41533 (2015).

Yong Hua, Don C. Lawton

Search and Discovery.com

... inversion based upon the inverted GLI model was executed to obtain a detailed near-surface velocity model for the longwavelength statics calculation...

2015

Flow velocity model for a coastal estuarine sandbar using multivariate regression

Edlic Sathiamurthy, Nurul Syamimi Pauzi

Geological Society of Malaysia (GSM)

...Flow velocity model for a coastal estuarine sandbar using multivariate regression Edlic Sathiamurthy, Nurul Syamimi Pauzi Bulletin of the Geological...

2020

Behavior of Fluids

Gerard Middleton, John B. Southard

Special Publications of SEPM

...; for a sphere settling under its own weight, it's more natural to think of FD as an independent 6 1-7 variable and settling velocity as the dependent...

1984

Incorporation of Geology, Wells, Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth ModelŽ, #40862 (2012)

Huyen Bui, Peck Hwa David Ng, Jenny Zhou, Chih-Wen Kue, Martiris Smith

Search and Discovery.com

... to incorporate geology, well, and rock physics in anisotropy estimation for seismic depth imaging. As we all know, that the seismic velocity is an important...

2012

Experimental Evaluation of a Generalized Suspended-Sediment Transport Theory

Guy Gelfenbaum, J. Dungan Smith

CSPG Special Publications

... produced by the following have recently been added to existing theories: multicomponent settling velocity distributions; suspendedsediment caused...

1986

Evaluation of possible gas microseepage mechanisms

Alton Brown

AAPG Bulletin

... it cannot account for observed microseepage. In contrast, continuous gas-phase flow through frac tures can equal or exceed reported microseepage velocity...

2000

Abstracts: An Investigation of Systematic Location Errors of Microseismic Events; #90173 (2015)

Martin E. Nicola, Bernd Milkereit, and Emmanuel Bongajum

Search and Discovery.com

... since the velocity model is highly variable. Figure 7 below displays the location error as estimated by the “method of circles” diagram. The true...

2015

RhoVe Method Empirical Pore Pressure Transform, #42301 (2018).

M. Czerniak,

Search and Discovery.com

.... DOI:10.1306/42301Czerniak2018 1 GCS Solutions, Inc., The Woodlands, TX, United States ([email protected]) Abstract The rhob-velocity...

2018

Kinematics of Sand Avalanches Using Particle-Image Velocimetry

Michael Tischer , Marcus I. Bursik , E. Bruce Pitman

Journal of Sedimentary Research (SEPM)

..., returning the slope angle of the granular material to its former value. The inclined plane was illuminated by a variable-speed strobelight. The 2-D velocity...

2001

Geological Factors Influencing Porosity Estimates From Velocity Logs

Roberto Sarmiento

AAPG Bulletin

...Geological Factors Influencing Porosity Estimates From Velocity Logs Roberto Sarmiento 1961 633 644 45 5. (May) The close relation between acoustic...

1961

Turbulence Modulation in Clay-Rich Sediment-Laden Flows and Some Implications for Sediment Deposition

Jaco H. Baas, James L. Best

Journal of Sedimentary Research (SEPM)

... in a distinct change in velocity and turbulence structure in flows transitional between Newtonian and non-Newtonian behavior. Such transitional flows develop...

2002

Adjustments of Velocity Logs to Tie Geophone Surveys

Warren Hicks

Oklahoma City Geological Society

... the results of some of these surveys sound bad, but % is a variable itself. We're doing a lot of core hole velocity logging, and comparing it with delta...

1961

Structure Interpretation Problems of a Lower Miocene Reef Associated with a Shallow Low Velocity Anomaly, North Sumatra

Peter Walker, Masrizal Maas, Michael D. Burnaman

Indonesian Petroleum Association

...Structure Interpretation Problems of a Lower Miocene Reef Associated with a Shallow Low Velocity Anomaly, North Sumatra Peter Walker, Masrizal Maas...

1986

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