Automatic Grain Size Analyses by Means of Electro-Magnetic Surface Measurements

J. C. Deelman

Journal of Sedimentary Research (SEPM)

... in this direction is carried out, no definite experience with automatic and computerized grain size and analyses can be presented at the moment. CONCLUDING...

Ancient Lacustrine Hyperpycnites: A Depositional Model from a Case Study in the Rayoso Formation (Cretaceous) of West-Central Argentina

Carlos Zavala, Juan Jose Ponce, Mariano Arcuri, Daniel Drittanti, Hugo Freije, Marcos Asensio

Journal of Sedimentary Research (SEPM)

... with the Paleo-pacific Ocean. Nevertheless, the marine influence was interrupted several times by short periods according to sea-level variations (Mutti et...

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... and AZimuth (AVAZ) (Lynn et al., 1996; Rüger, 1998; Gray et al., 2000) or Velocity Variation with AZimuth (VVAZ) (Tsvankin, 1997; Li, 1997; Grechka...

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... and AZimuth (AVAZ) (Lynn et al., 1996; Rüger, 1998; Gray et al., 2000) or Velocity Variation with AZimuth (VVAZ) (Tsvankin, 1997; Li, 1997; Grechka...

Experimental Study of Proppant Flowback with Standard Core Samples

Xinyao Zhang, Huiying Tang, Kaixiang Di, Cheng Du, Shiyi Xie, Liehui Zhang

Unconventional Resources Technology Conference (URTEC)

... the critical flowback velocity. However, finding reservoir rocks with such large size is difficult. In this work, we succeed in conducting the proppant...

Sonic Logging to Detect Bypassed Hydrocarbons in the Wilmington Field, CA

Daniel Moos, F. Scott Walker, Donald D. Clarke

Pacific Section of AAPG

... be differentiated from rocks containing brines using sonic velocity measurements. A project to test this technique has been undertaken in the Wilmington Field...

Morphodynamics and Sedimentology of Channels in Tidal Bars and Tidal Flats, #50519 (2011)

Sergio Fagherazzi, Giulio Mariotti, Tao Sun

Search and Discovery.com

.... The ADCP measured water velocity along the vertical every 10cm with a blanking distance of 10 cm. The instrument recorded the velocity every 30min...

Characteristics of Two, Pennsylvanian-Age, Semidiurnal Tidal Deposits in the Illinois Basin, U.S.A.

Erik P. Kvale, Allen W. Archer

CSPG Special Publications

... to slightly sinuous crestline. Additional evidence of tidal influence includes northward-dipping (opposite to the planar foreset migration direction...

Dynamics of Bedforms in the Lower Mississippi River

David J. Harbor

Journal of Sedimentary Research (SEPM)

... within a single pool and tends to have a more uniform depth and velocity along the profile. In the analyses below, the Pt. Pleasant data have few...

Numerical Solution of Proppant Transport and Distribution in Tortuous and Uneven Fractures

Bingyang Bai, Tianbo Liang, Mengchuan Zhang, Bingrui Luo

Unconventional Resources Technology Conference (URTEC)

... in the simulation in order to avoid the influence of the non-spherical sand shape on the sedimentation velocity. Eliminating the influence of shape factors...

Seismic Models of a Shelf-margin Depositional Sequence: Upper San Andres Formation, Last Chance Canyon, New Mexico

Jan Stafleu , Mark D. Sonnenfeld

Journal of Sedimentary Research (SEPM)

... of velocity analyses are shown by triangles with numbers referenced to Table 1. See text for discussion. FIG. 5. [Grey Scale] See caption on page 485. End...

Residual Transport Model in Correlation with Sedimentary Dynamics over an Elongate Tidal Sandbar in the Gironde Estuary (Southwestern France)

Cyril Mallet , Helene L. Howa , Thierry Garlan , Aldo Sottolichio , Pierre Le Hir

Journal of Sedimentary Research (SEPM)

... accurately near the seabed, allowing to define velocity and direction of the current all along the water column. Such aims are part of the purpose...

Seismic Velocity Model Building in an Area of Complex Geology, Southern Alberta, Canada

Helen Isaac and Don Lawton

Search and Discovery.com

...Seismic Velocity Model Building in an Area of Complex Geology, Southern Alberta, Canada Helen Isaac and Don Lawton AV Seismic Velocity Model...

Weather Patterns and Coastal Processes

William T. Fox, Richard A. Davis Jr.

Special Publications of SEPM

... Stevensville a cold on July 28 with a shift in wind the southwest to the northwest increase in wind velocity from 9 5 to 12 direction from...

Part 3: Support Data (A)

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

AAPG Special Volumes

... curve to show that best agreement between the two time-velocity curves. This method often indicates direction of advance of internal waves along...

Aspects of the Hydrogeology of the Southern Eromanga Basin, Queensland

P. J. Muller

Petroleum Exploration Society of Australia (PESA)

... analyses of waters from aquifers within a single stratigraphic unit were used in the interpretation of the hydrochemistry for that unit. This paper presents...

A Case History of Geoseismic Modeling of Basal Morrow-Springer Sandstones, Watonga-Chickasha Trend: Geary, Oklahoma--T13N, R10W: Section 3. Stratigraphic Models from Seismic Data

William A. Clement

AAPG Special Volumes

... interval velocity (15,000 to 15,500 ft/sec or 4,572 to 4,724 m/sec) sandstones are encased in lower interval velocity (10,000 to 11,500 ft/sec or 3,048...

Does Clast Size Influence Fabric Strength?

Kurt H. Kjaer , Johannes Kruger

Journal of Sedimentary Research (SEPM)

...Does Clast Size Influence Fabric Strength? Kurt H. Kjaer , Johannes Kruger 1998 Vol. 68 (1998), No. 5. (September), Clast-fabric strength...

Basement Tectonics and Fold Patterns--Kinematic-Model Approach: ABSTRACT

E. S. T. O'Driscoll

AAPG Bulletin

..., the influence of transcurrent basement shearing is invoked to explain the development of extensively repetitive folding over large areas of layered...

Abstract: Effects Of Sedimentation, Salt Deformation, And Fault Propagation In Southern Walker Ridge To Northern Ewing Bank, Gulf Of Mexico: Implications For Cenozoic Fluid Flow Patterns And Overpressure Development, by S. C. Stover, P. Weimer, S. Ge, and B. C. Mcbride; #90928 (1999).

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Abstract: Spatial Diagenetic Heterogeneity of Lenticular Sandbody in Shahejie Formation, Bohai Bay Basin, China, and Its Implications for Sandstone Diagenesis, by Haitao Sun and Dakang Zhong; #90124 (2011)

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Giant Foresets and Giant Sediment Waves in the Taranaki Basin, New Zealand.

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Adaptive regularization parameter estimation in image domain least-squares migration

Shen Sheng, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... on forward/migration operator, acquisition geometry, migration velocity, and source signature. Due to the accuracy of these factors...

Fine-Grained Versus Coarse-Grained Wave Ripples Generated Experimentally Under Large-Scale Oscillatory Flow

Don I. Cummings, Simone Dumas, Robert W. Dalrymple

Journal of Sedimentary Research (SEPM)

... influence of unidirectional current strength and aggradation rate: Geology, v. 34, p. 1073–1076. Dumas, S., Arnott, R.W.C., and Southard, J.B., 2005...

The Combined Effects of Wave Motion and Tidal Currents on the Morphology of Intertidal Ripple Marks: The Wash, U.K.

C. L. Amos , M. B. Collins

Journal of Sedimentary Research (SEPM)

..., Sediment movement in relation to current velocity: Jour. Sed. Petrology, v. 20, no. 3, p. 148-160. POSTMA, H., 1967, Sediment transport...