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The AAPG/Datapages Combined Publications Database
Showing 20,640 Results. Searched 200,626 documents.
Geophysical Corner Articles from September 1996 — present, Compiled by Randy Ray
Search and Discovery.com
N/A
A Comparison of Prestack Depth and Prestack Time Imaging of the Paktoa Complex, Canadian Beaufort MacKenzie Basin
G. R. Elsley, H. Tieman
AAPG Special Volumes
... processing differs from time-migration processing, mainly in its ability to consider lateral changes in velocity. This ability allows processors to ray...
2010
The 'Geoseis' System: Seismic Prospecting with Detonating Cord - A Line Energy Source
D. W. Thompson
Petroleum Exploration Society of Australia (PESA)
... a linear source, such as detonating cord, is fired it explodes with a measurable velocity of detonation (VOD) equivalent to Vct· For detonating cords...
1985
Exploring the Sub-Salt Play in the Frontier Amadeus BasinInsights from Regional 2D Seismic and Potential Field Data
Emma Hissey, Jennifer Clifford, Tim Debacker
Petroleum Exploration Society of Australia (PESA)
... with a different processing stream. The velocity model was built in several steps, from initial stacking velocities through to the final depth interval velocity...
2016
Limitations of Reflection Seismograph
L. E. Nugent, Jr.
AAPG Bulletin
... of this time to depth by of a velocity factor. Thus, a discussion of the instrumentation controlling the precision of time measurement, the method...
1953
Improved Structural Imaging of the Karama Seismic Survey Using Anisotropy Kirchhoff and Beam Depth Migration
Zbigniew Ostapiuk, Bee Jik Lim, Martin Bayly
Indonesian Petroleum Association
... with a similar workflow. INTRODUCTION Tilted Transversely Isotropic Velocity Model Building and Depth Imaging Workflow The Karama survey...
2012
The Wedge Model Revisited; #41545 (2015)
Joanna K. Cooper, Don C. Lawton
Search and Discovery.com
... ray tracing results, to identify the travel times and modes of observed events. These models are analogues of high velocity wedges of carbonate rocks...
2015
Carbonate Concepts from the Maldives, Indian Ocean
Edward G. Purdy, George T. Bertram
AAPG Special Volumes
... if the velocity effect of the changing water depth were removed. This suggests that the lower part of the slope at least is destructional rather than...
1993
Use of Gravity Meter in Search for Stratigraphic Traps: Geologic Exploration Methods
Craig Ferris
AAPG Special Volumes
... depth of every well; too many wells are logged only in the "pay" section. Near-surface density and velocity data are vital to every exploration...
1972
Extracting Meaningful Estimates of Rock Properties from 3-D Anisotropic Velocity Models Derived from Borehole Microseismic
Scott Taylor, Jeremy King, Ben Schaeffer, Todd Hibbitts, Lucas McGreaham, Khaled Ghuneim
Unconventional Resources Technology Conference (URTEC)
... modeling is performed by two point ray tracing following the velocity approximations of Fomel (2004). For modeling, layers are constructed...
2016
Prestack inversion and amplitude variation with offset attributes as hydrocarbon indicators in carbonate rocks: A case study from the Illinois Basin
Jacob T. Murchek, Paul McColgan, Lindell C. Bridges, Ernest C. Hauser, and Doyle R. Watts
AAPG Bulletin
... of interest. The sonic log velocity scale is 5000–20,000 ft/s (1524–6096 m/s). The gamma-ray log scale is 0–300 API units. The North Vernon Limestone (NVL...
2023
Bristol Bay: Model Contemporary Graded Shelf
G. D. Sharma , A. S. Naidu , D. W. Hood
AAPG Bulletin
... at a depth (d) of about 94 m of a wave of these dimensions would be: [EQUATION] Consequently, the water particle velocity produced by the wave...
1972
Core-Log Transformations and Porosity-Permeability Relationships: Part 5. Laboratory Methods
Walter A. Nagel , Keith A. Byerley
AAPG Special Volumes
... to log depths. Core gamma ray is commonly used for depth control and can be of great assistance only if there is sufficient gamma ray activity...
1992
Resurrecting Ray Tracing in the Papuan Fold Belt as a Standard Procedure
Search and Discovery.com
N/A
Identification and Diagenesis of a Phylloid Alga: Archaeolithophyllum from the Pennsylvanian Providence Limestone, Western Kentucky: DISCUSSION
Nicholas E. Pingitore, Jr.
Journal of Sedimentary Research (SEPM)
... of incorporation of Sr2+ in calcite: determination by x-ray absorption spectroscopy: Geochimica et Cosmochimica Acta, v. 56. p. 1531-1538. SANDBERG, P.A....
1994
The Rhomaa - Umaa Crossplot
John H. Doveton
Special Publications of SEPM
... of the lower section and Photoelectric factor 10 0 --------- Gamma Ray 0 API units 150 38. 88 Maquoketa Sh Depth (feet) -3450 Viola Ls - 3500 3550...
1994
Using clay microporosity to improve formation evaluation in potential residual oil zones: Cypress Sandstone, Illinois Basin
Leo G. Giannetta, Nathan D. Webb, Shane K. Butler, and Nathan P. Grigsby
AAPG Bulletin
... for clay microporosity using clay volumes estimated from gamma ray (GR), including linear relationships (i.e., GR index) or nonlinear relationships...
2021
An enhanced method for evaluating the static connectivity of reservoirs using pressure coefficient–depth plots
Geng Qian, Haifeng Yang, Dayong Guan, Jinghan Wang, Junpei Yue, and Meng Zhao
AAPG Bulletin
... pressure at any given depth follows a linear relationship (Heriot-Watt University, 2005) (Figure 1). The slope of this line directly reflects fluid density...
2025
erformance of Seismic Arrays in the Presence of Weathering Layer Variations, #41841 (2016).
Jubran Akram, Abdullatif A. Al-Shuhail
Search and Discovery.com
... of the plane wavefront, Vw is the weathering layer velocity, b is the channel depth, and β is the angle of the line connecting the intersection point...
2016
Advances in OBN Technology: Full Azimuth, Long Offset Illumination for Complex Reservoirs, #70290 (2017).
John Smythe
Search and Discovery.com
... ~ 500000 shot Locations (50 x 50 m) • Duration 138 days • Avg. water depth: 2000m • 10 km minimum offset Processing Benefits of OBN Acquisition...
2017
Case Study - Advanced Seismic Acquisitions and Processing Results in Indonesia
Michele Buia, Bakhrudin Mansyur, Herastya Iman Priyonggo
Indonesian Petroleum Association
... of surveys were modelled using ray tracing on the Aster velocity-depth model. In particular, Eni Indonesia generated three single azimuth surveys...
2011
X-Ray Fluorescence Determination of Ni, Cu, and Zn in Rock Powders with Variable Matrices: ABSTRACT
J. R. Smith, R. G. Arnold
AAPG Bulletin
...X-Ray Fluorescence Determination of Ni, Cu, and Zn in Rock Powders with Variable Matrices: ABSTRACT J. R. Smith, R. G. Arnold 1964 548 548 48 4...
1964
‘Potash identification plot (PID) for rapid identification of commercial potash deposits’
Search and Discovery.com
N/A
Using Potash Identification (PID) Plot to Distinguish Commercial Potash Mineralization
Search and Discovery.com
N/A
ABSTRACT: Advanced Geophysical Logging in Shallow Unconsolidated Coastal Plain Sediments; #90019 (2003)
Douglas E. Wyatt
Search and Discovery.com
... ray and resistivity measurements. These measurements are generally well understood and accepted for simple stratigraphic mapping and fluid modeling...
2003