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The AAPG/Datapages Combined Publications Database
Showing 34,499 Results. Searched 200,691 documents.
Lenticular Shale Fabrics Resulting from Intermittent Erosion of Water-Rich Muds—Interpreting the Rock Record in the Light of Recent Flume Experiments
Juergen Schieber, John B. Southard, Arndt Schimmelmann
Journal of Sedimentary Research (SEPM)
.../s (25 cm/s average flow velocity). Observations made over extended time periods (12–24 hours) show that initially produced rip-up clasts gradually...
2010
Near-Shore Ripples: Some Hydraulic Relationships
A. S. Trenhaile
Journal of Sedimentary Research (SEPM)
... trough (or datum line if the troughs on either side of the ripple are of unequal height), and ripple velocity were considered in the present study...
1973
Submarine Current Measurements--Northwest Gulf of Mexico
George T. Moore
GCAGS Transactions
... seasonally in direction, velocity, depth and/or location; its source; its effect on the bathymetry of the upper continental slope; and the effect...
1973
Darai Limestone Formation of the Western Papuan Basin, Papua New Guinea: Well Strontium Profiles, Wireline Log/Strontium Ratio Correlations, and a Chronostratigraphic Reference Section
G. L. Valenti, G. Francis
Papua New Guinea (PNG) Petroleum Convention Proceedings
... for borehole geometry, dip stretch, and structural repeats must be made so that strontium ratio and age results are analyzed in terms of true...
1996
Facies Modeling and Sequence Stratigraphy: PERSPECTIVE
Roger G. Walker
Journal of Sedimentary Research (SEPM)
... section, it is obvious that each measured piece is in some way different from the pieces above and below. These pieces of different aspect are in effect...
1990
Corrections for Temperature in Barometric Surveying: GEOLOGICAL NOTES
John L. Rich
AAPG Bulletin
... height is lighter if the air is warm than if it is cold, and because an aneroid barometer, in effect, measures the weight of a column of air...
1934
The Use of Geoelectrical Imaging Surveys for the Delineation of Different Subsurface Geological and Man-Made Features
S. S. Abdul Nassir, C. Y. Lee
Geological Society of Malaysia (GSM)
.... Meanwhile the duty time of the DC-current pulsation as well as the digital stacking of measurements collected at each electrode setup also have...
1999
Seismic Weathered or Aerated Surface Layer
O. C. Lester, Jr.
AAPG Bulletin
... the "unweathered" velocity on the time-distance curve. This curve is shown as curve (A) in Figure 2. FOOTNOTE 1. A. B. Wood, A Textbook on Sound, pp...
1932
A Preliminary Experimental Study of Turbidite Fan Deposits
Jeffrey D. Parsons, William J. Schweller, Charles W. Stelting, John B. Southard, William J. Lyons, and John P. Grotzinger
Journal of Sedimentary Research (SEPM)
... component. As a result, simple models to predict turbidite stacking patterns have been formulated from this idea (Rothman et al. 1994). Assuming that a single...
2002
Seismic Exploration for Stratigraphic Traps: Geophysical Exploration Methods
Paul L. Lyons, M. B. Dobrin
AAPG Special Volumes
.... The channel itself is shown as an increase of about 0.01 sec in the interval time. At 10,000-ft/sec (3,050 m/sec) velocity, this amounts to about a 50-ft (15 m...
1972
An Explicit Full-Range Settling Velocity Equation for Mud Flocs
Kyle Strom, Ali Keyvani
Journal of Sedimentary Research (SEPM)
... scale (Ferguson and Church 2004), and ws and df are nondimensionalized as follows: This is essentially the same velocity-scale choice...
2011
Overcoming Historical Biases: An Integrated Geological and Engineering Assessment of the Coniston Prospect, Exmouth Sub-Basin
N. Smith, C. Dempsey, M. Jackson, J. Preston
Petroleum Exploration Society of Australia (PESA)
... ~2000 2 £1~0 6 1000 ~0 1.0 2.0 3.0 4.0 5.0 6 .0 7.0 8.0 9.0 10.0 Time (Years) Effect of Viscosity on Water Cut 1:v~?===~=============i...
2002
Errors in the Use and Presentation of an Empirical Formula for the Settling Velocity of Spheres: DISCUSSION
N. C. Janke
Journal of Sedimentary Research (SEPM)
..., v. 41, No. 1, p. 7 18. JANKE, N. C., 1963, Effect of shape upon the settling velocity of regular geometric particles: Ph.D. dissertation, Univ...
1971
Enhancing Limited Log Suites with Neural Networks
J.S. Arbogast, M.H. Franklin, M.L. Butler, K.A. Thompson
Rocky Mountain Association of Geologists
... responses that would have occurred if modern logs had been run (i.e., gamma ray, density porosity, and acoustic travel time) and created reliable...
1997
Damped least squares-based deterministic PP wave and SH-SH wave joint inversion method
Ying Lin, Guangzhi Zhang, Baoli Wang, Siyuan Chen, Minmin Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
...-Richards (1980) approximated the Zoeppritz equation as a function of P-wave velocity, S-wave velocity and density under the assumption that the elastic...
2023
Multi-Azimuthal Walkway VSP for Full Azimuth Seismic Calibration
Konstantin Galybin, Anastasia Poole, Michael Giles
Petroleum Exploration Society of Australia (PESA)
... velocity was measured by the ZVSP survey from ground level to the reference datum (in this case MSL) and applied as elevation statics to the MAZ WVSP data...
2016
Inferring Fluvial Morphodynamics and Overbank Flow Control From 3D Outcrop Sections of a Pleistocene Point Bar, Dandiero Basin, Eritrea
Massimiliano Ghinassi, Paolo Billi, Yosief Libsekal, Mauro Papini, Lorenzo Rook
Journal of Sedimentary Research (SEPM)
... a primary role in channel shaping (Leopold et al. 1964; Bridge 2003) as bedload transport, shear stress, and flow velocity are maximized, the effect...
2013
Geohistory Analysis--Application of Micropaleontology in Exploration Geology
J. E. Van Hinte
AAPG Bulletin
... and a depth scale as the vertical (Fig. 3). First, the paleobathymetry at the time of the datum levels is determined from the paleodepth curve (solid...
1978
A Stratigraphic Interpretation of Shear and Compressional Wave Seismic Data for the Pennsylvanian Morrow Formation of Southeastern New Mexico: Chapter 13
M. D. McCormack, M. G. Justice, W. W. Sharp
AAPG Special Volumes
.... 208-220. Domenico, S. N., 1976, Effect of brine-gas mixture on velocity in an unconsolidated sand reservoir: Geophysics, v. 41, p. 882-894...
1985
Abstracts: Using Kriging with External Trend for Time to Depth Conversion of Seismic Horizons to Characterize Deep Saline Reservoirs for CO2 Storage in Bécancour, Québec; #90173 (2015)
Maxime Claprood, Erwan Gloaguen, Michel Malo, Luc Masse
Search and Discovery.com
...Abstracts: Using Kriging with External Trend for Time to Depth Conversion of Seismic Horizons to Characterize Deep Saline Reservoirs for CO2 Storage...
2015
Wave scattering by the formation velocity perturbation surrounding a fluid-filled borehole
Zhou-Tuo Wei
International Meeting for Applied Geoscience and Energy (IMAGE)
... the measurement is made, producing certain effect on seismic waves. For example, the heterogeneities of formation velocity and bulk density will cause...
2022
Structure of the Tokai segment from the integrated high-resolution seismic imaging: A case study from the eastern Nankai Trough
Andrzej Grszczyk, Rafael Almeida, Romain Brossier, Ludovic Mtivier
International Meeting for Applied Geoscience and Energy (IMAGE)
... imaging - in particular seismic acquisition and processing techniques - are the methods of choice to investigate these sites. In this study we combine...
2022
Graphical Techniques for the Analysis and Display of Logging Information: Chapter 2
John H. Doveton
AAPG Special Volumes
... different standards allows correction of random errors that involve both shift and stretch of the log with respect to its true scale. The choice...
1994
Evaluation of Fresh Water Sands
Leonard C. Bryant
Bulletin of South Texas Geological Society
... nestled in among fresh water sands was at best a hit and miss proposition. The Density-Neutron log and the Velocity-Neutron logs however have eliminated...
1978
Seismic Model of a Progradational Carbonate Platform, Picco di Vallandro, the Dolomites, Northern Italy (1)
KEVIN T. BIDDLE , WOLFGANG SCHLAGER , KURT W. RUDOLPH , and TERRY L. BUSH
AAPG Bulletin
... in the synthetic seismic data. These onlaps are somewhat distorted in the time model (Figure 9) because of the velocity pull-down created by the lateral...
1992