Effect of Shape Upon the Settling Velocity of Regular Convex Geometric Particles

N. C. Janke

Journal of Sedimentary Research (SEPM)

... velocities of ellipsiods, where it was noted that the relation between H and the ratio v/vs did not approximate a single valued function for axial...

Rollability, A Functional Shape Property of Sand Grains

A. M. Winkelmolen

Journal of Sedimentary Research (SEPM)

...%. Hence a fairly favorable relation exists between the in trumental error and the range of rollabilities in natural sands. Some characteristics...

GeoSiphon groundwater remediation system hydraulics

Mark A. Phifer, Ralph L. Nichols, Frank C. Sappington, John L. Steimke, William E. Jones

Environmental Geosciences (DEG)

... of the siphon (i.e., MFV). Based on the actual water velocities in the downward legs, which, on average, were always below the calculated MFV velocity (see...

Granite and Limestone Velocity Determinations in Arbuckle Mountains, Oklahoma

B. B. Weatherby, W. T. Born, R. L. Harding

AAPG Bulletin

... velocities are an average of 52 determinations; and the transverse, of 27 determinations. The average density of the granite was obtained...

Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data

Paul L. Stoffa

Circum Pacific Council Publications

... to the time differences in msecs between the best fit hyperbolae and the actual traveltimes (after Stoffa et al., 1982). If interval velocities are derived...

Seismic Refraction Study of Shallow Part of Continental Shelf Off Georgia Coast

John W. Antoine , Vernon J. Henry, Jr.

AAPG Bulletin

... of the overlying Miocene and post-Miocene sediments would be expected to be a good refracting horizon. Figure 10 shows the depth relation between the top...

Deposition of Sand by Suspension Currents: Experimental and Theoretical Studies

J. K. Ghosh, B. S. Mazumder, M. R. Saha, Supriya Sengupta

Journal of Sedimentary Research (SEPM)

... by the average value between the levels ks and y0 as Sb = [1]/[y0 - ks] ksy0 S(vs, y, u*(2)) dy, [9] where y0 is the maximum thickness of the bed/bed...

Transformation of Resistivity to Pseudovelocity Logs: GEOLOGIC NOTE

Albert J. Rudman , Joseph F. Whaley , Robert F. Blakely , Maurice E. Biggs

AAPG Bulletin

... may have anomalous resistivities or velocities. As an example, the New Albany Shale in Indiana is a highly carbonaceous shale with higher than average...

A Note on the Use of the "Fryberger Method" for Evaluating Potential Sand Transport by Wind

Joanna E. Bullard

Journal of Sedimentary Research (SEPM)

... through the calculations are dependent upon the units in which wind velocities are expressed. This paper highlights some of the confusion this dependence...

Petrophysical Evaluation of Organic Richness and Brittleness of Shale for Unconventional Hydrocarbon Prospecting: A Case Study on Vadaparru Shale, Krishna Godavari Basin, India

Arijit Sahu, Milan Kanti Das

Unconventional Resources Technology Conference (URTEC)

... this relation a proxy ‘clean shale’ resistivity log is generated in shale and compared with measured wireline resistivity. A positive separation between...

Orientation Of Crinoids By Current Action

W. Schwarzacher

Journal of Sedimentary Research (SEPM)

... that the rest position is stable, no definite relation between the competent velocity and the cylinder size was observed although the values for all cylinders...

Abstract: Pore Geometry and Pore-Fluid Types: Effects on Seismic Properties of Carbonate Rocks Under a Compaction Disequilibrium Scenario; #90224 (2015)

Gautier Njiekak and Douglas R. Schmitt

Search and Discovery.com

...., 2003). The many attempts to describe the pore geometry of carbonates have led to the conclusion that a relation exists between the scatter...

The Application of Seismic Stratigraphy Analysis to Predict Potential Reservoir and Its Depositional Environment on Baong Formation, North Sumatra Basin

Argya Hastubrata Basundara, Andi Mardianza

Indonesian Petroleum Association

... by using seimic attribute RMS amplitude helps to justify the correlation of sandprone. The results of this study on MBS generated a map of depositional...

ABSTRACT Physical Properties of Sandstones Based on Experimental Compaction, #90104 (2010)

Fawad Manzar; Mondol Nazmul H.; Jahren Jens; Bjørlykke Knut

Search and Discovery.com

... indicate early cementation, overpressure,  uplift, and/or chemical compaction. These data on the relation between mineralogical and textural composition...

Settling Velocity, Diameter, and Density for Flocs of Illite, Kaolinite, and Montmorillonite

Ronald J. Gibbs

Journal of Sedimentary Research (SEPM)

...), The relation between floc settling velocity and diameter was measured for illite, kaolinite and montmorillonite. The curves between floc diameter and settling...

The Central Oklahoma Earthquake of April 9, 1952

Ross R. Heinrich

Oklahoma City Geological Society

... the essential features. If we make some reasonable assumption regarding the depth of focus of the earthquake and the velocities of the longitudinal...

An Experimental Study of Subaqueous Slipface Deposition

Ralph E. Hunter, Gary Kocurek

Journal of Sedimentary Research (SEPM)

... and delta-like steps (0.06-0.28 m high). During intermittent avalanching, at relatively low flow velocities, periods between avalanches were marked...

High Resolution Pore Pressure Prediction Using AVO Inversion

Yongyi Li

Search and Discovery.com

... to estimate pore pressure. This is problematic because these velocities have low frequency and thus low resolution. As a result, the predicted pore pressure...

High Resolution Pore Pressure Prediction Using AVO Inversion

Yongyi Li

Search and Discovery.com

... to estimate pore pressure. This is problematic because these velocities have low frequency and thus low resolution. As a result, the predicted pore pressure...

Heavy Mineral Concentration and Sastrugi-Like Deflation Furrows in a Beach Salcrete at Rockaway Point, New York: NOTES

Warren E. Yasso

Journal of Sedimentary Research (SEPM)

.... 152). Th exact relation between grain and wind parameters in formation of heavy-mineral borders on a salcrete will bear further investigation...

Part 2: Discussion

Francis P. Shepard, Neil F. Marshall, Patrick A. McLoughlin, Gary G. Sullivan

AAPG Special Volumes

... an extraordinarily good relation between the axial depth at which the tidal relation develops and the range of the tide in various canyons and valleys...

Sensitivities, Limitations, and Error Inherent in Resistivity-tool-response Modeling - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2

Hezhu Yin

AAPG Special Volumes

..., but the overall RMS error of a tool can be used as guidance as to when to stop iterations and also can be used to minimize the differences between...

Abstract: DREAM™ - Drilling and Real Time Migration: A New Method for the Geophysical Monitoring of Wells

Luca Bertelli, Luca Savini, and Luca Aleotti

Houston Geological Society Bulletin

... it possible to answer two basic questions: Where is the bit in relation to the seismic section? Is the geological prognosis coherent with the while...

ABSTRACT: How Do Fractures, Stress, and Rock Fabric Influence Velocity of the Marcellus Shale?, by Perry, Andrew; Wilkins, Scott; #90142 (2012)

Search and Discovery.com

Hydrodynamic Properties and Grain-size Characteristics of Volcaniclastic Deposits on the Mid-Atlantic Ridge North of Iceland (Kolbeinsey Ridge)

Reinhard Oehmig, Hans-Joachim Wallrabe-Adams

Journal of Sedimentary Research (SEPM)

... shows the relation between particle diameter and settling velocity for quartz spheres and for FIG. 2. [Grey Scale] Types of volcanic glasses...