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The AAPG/Datapages Combined Publications Database
Showing 17,739 Results. Searched 201,044 documents.
Chapter 10: 2-D Pore Architecture Characterization of a Carbonate Mudrock Reservoir: Insights from the Mid-Continent “Mississippi Lime”
Beth Vanden Berg, G. Michael Grammer
AAPG Special Volumes
... architecture coupled with diagenetic alterations and a multiscale fracture network. Additionally, there is a significant shift in measured sonic velocity...
2016
Fluid Dynamics of Viscous Buckling Applicable to Folding of Layered Rocks
Hans Ramberg
AAPG Bulletin
.... The approach throughout the work has been to develop the stream function ^psgr and the derivative velocity components U and V which satisfy the particular...
1963
2D Seismic Refraction Tomography Survey on Metasediment at a Proposed Development Site in Dengkil, Selangor
Umar Hamzah, Abd Rahim Samsudin
Geological Society of Malaysia (GSM)
... processed using an OPTIM software to produce sections of 20 velocity model profiles. Results show P-wave velocity of clayey silt (SPT=3-11) is ranging from...
2006
Impossibility of Bernoulli Pressure Forces on Particles Suspended in Boundary Layers: REPLY
James M. Mattinson, Richard V. Fisher
Journal of Sedimentary Research (SEPM)
... applied to velocity differences across stream lines in the boundary layers of real fluids. Nevertheless, a simple experiment by one of us (Mattinson) shows...
1970
Determining the Coal Bed Methane Distribution Based on Amplitude Variation With Offset (AVO) Analysis and Seismic Inversion: Case Study of Sumatra Basin
Padmadi Heru Wibawa, Abd. Haris, Suprajitno M.
Indonesian Petroleum Association
... is acknowledged as the first rank of coal potential. We estimate that the spatial distribution of the velocity change approximates 5 to 10 % above...
2007
Effects of Seismic Reprocessing on Selected Seismic Attributes: A Case Study in the Permian Basin
Joel Anthony T. Famini, Kurt J. Marfurt, E. Charlotte Sullivan
West Texas Geological Society
... steps, including ground-roll suppression, deconvolution, statics correction, and velocity analysis can have a first-order effect on such seismic...
2003
The Morphology and Structure of Buried Impact Craters
P. Jan Cannon
Abilene Geological Society
.... Short, N. M., 1975, PLANETARY GEOLOGY, Prentice-Hall, Inc. ISBN 0-13-679290-1 The Formation of Impact Craters Velocity for incoming projectiles...
1999
Novel Land and Marine Solutions Including Time-Lapse Using High Resolution Multi-Transient EM
Folke Engelmark
Indonesian Petroleum Association
... to reflected returns from the earth, the bandwidth of the PRBS is matched to the recoverable spectrum at the receiver end. The unique thing about MTEM...
2008
Modeling-based amplitude recovery (MBAR)
Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church
International Meeting for Applied Geoscience and Energy (IMAGE)
... sin2 𝜃 2 ) 2 𝛼 𝜌 (5) where 𝛼 is the P-wave velocity, 𝛽 is the S-wave velocity, and 𝜌 is density. We create two elastic models for generating...
2022
Donkey Creek North Minnelusa 3-D: Challenging Conventional Wisdom
John B. Frederick, Karen T. Dean, Steven G. Fryberger, Tim D. Wilcox
Rocky Mountain Association of Geologists
... around the producing wells, but it also uncovered additional development locations. With porous Minnelusa sandstones (low velocity, low density) encased...
1995
P-S Converted Wave AVO Analysis for Reservoir Characterization
Ehsan Sadeghi, Cepi Adam, Effendy Siawira, Hilfan Khairy
Indonesian Petroleum Association
... uncertainties remained on the resulted P-P images. The shallow gas on Bekapai generates a zone of complex overburden with lateral velocity variations...
2017
Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)
Waheduzzaman Talukder and Ralph Phillip Bording
Search and Discovery.com
... velocity (Best et al.,1994). Measurement of both velocity and attenuation provide complementary information about rock properties and combined use...
2014
Power Imaging A Passive Electromagnetic Hydrocarbon Detection Method: Examples from Railroad Valley, Nevada; #40966 (2012)
Dietmar (Deet) Schumacher, W. Barry Weaver, and Roy K. Warren
Search and Discovery.com
... velocity) divided by the frequency f. Figure 3 The figure shows a typical power spectrum of frequencies measured at the surface. Power Imaging...
2012
Surge Propagation in Debris Flows; #51540 (2018)
Paul Allen, Oliver Harlen, Robert Dorrell, Robert Thomas, William McCaffrey
Search and Discovery.com
.... Turbidity Currents -rate Debris Flows -rate Figure 2: Example stress-strain-rate relationships and horizontal velocity profiles for turbidity currents...
2018
A Big Fan of Signals? Exploring Autogenic and Allogenic Processes in Lobyte3D, a Numerical Stratigraphic Forward Model of Submarine Fan Development; #51593 (2020)
Peter Burgess, Isabella Masiero, Stephan Toby, Robert Duller
Search and Discovery.com
..., where stratigraphic completeness is relatively high and many flows are likely to be recorded, using simple power spectrum analysis and counting...
2020
Evaluation of Petroleum in Oil Sands by Its Index of Refraction
Hollis D. Hedberg
AAPG Bulletin
... method. SIGNIFICANCE OF REFRACTIVE INDEX The index of refraction of a substance is the ratio of the velocity of light in air to the velocity...
1937
Integrated Workflows for Drilling Optimization and Enhanced Production
Jakob Heller, Venkatesh Anantharamu, Andrew Lewis, Bruce Karr, Ron Bianco
Unconventional Resources Technology Conference (URTEC)
... accurately measures refractor velocity variability in the near-surface weathering layer. Denser acquisition of near offsets and a broadband sweep better...
2023
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
Anisotropic Depth Migration Applied in an Area of the Colombian Llanos Foothills as a Tool for Understanding the Structure in Depth
Isabel Cristina Florez, Rob Vestrum
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
..., working in close collaboration between the explorationist and the service company geophysicist to find the best velocity model to optimize the seismic...
2006
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
...-drilling information? Starting from a depth reference section obtained with an initial velocity field, the method allows the operator to continuously...
1996
S-wave velocity prediction using a deep learning scheme and attention mechanism
Gang Feng, Wen-Qin Liu, Zhe Yang, Wei Yang, Jian-Hua Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
...S-wave velocity prediction using a deep learning scheme and attention mechanism Gang Feng, Wen-Qin Liu, Zhe Yang, Wei Yang, Jian-Hua Wang S-wave...
2024
Elastic and Absorption Properties of Rocks and Their Use in Direct Exploration for Oil and Gas
T. Z. Verbitskiy
Petroleum Geology: A Digest of Russian Literature
.... The use of computers is very helpful in this approach. Theoretical studies have shown that variations in velocity of propagation of elastic waves...
1974
How to Make Velocity Corrections
John W. Daly
AAPG Bulletin
...How to Make Velocity Corrections John W. Daly 1944 615 628 28 5. (May) The fundamental assumptions in regard to velocity distribution and the effect...
1944
Abstract: Conventional Approach Seems to be the Best! (Geophysics Paper 10)
Hijreen Ismail, M Izham Kassim, Khairul Hamidi Khalid
Geological Society of Malaysia (GSM)
... velocity variations are among the key concerns for time to depth conversion especially in carbonate regime. A reliable velocity model should take...
2011
Outlining Shale Masses By Geophysical Methods
A. W. Musgrave , W. G. Hicks
AAPG Special Volumes
.... The shale masses have four properties: (1) low-velocity sound transmission, in the range of 6,500-8,500 ft/sec with very little increase in velocity...
1968