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The AAPG/Datapages Combined Publications Database
Showing 29,411 Results. Searched 200,357 documents.
Sandbox models of downward-steepening normal faults
Thomas L. Patton
AAPG Bulletin
... in the experiments were the variable-slip boundary condition, for which the experiment was run without a sheet of paper; and the constrained-slip boundary...
2005
Upscaling acoustic wave equation using renormalization group theory
Ajay Malkoti, Shravan M. Hanasoge, Rene Edouard Plessix
International Meeting for Applied Geoscience and Energy (IMAGE)
...), where the model has a uniform background pwave velocity of c0 = 1500 m · s−1 and ∆c is a uniform-random variable with a maximum permissible amplitude...
2022
Gulf Coast Association of Geological Societies Field Trip # 1: Meander Belt Deposition - Plaquemine Point, Mississippi River
J. M. Coleman, H. H. Roberts
New Orleans Geological Society
...) are highly variable, displaying deep scour at the maximum point of curvature and shallow U-shaped channels in the "reach" between the bends. Lateral...
1988
High Resolution Diffraction Imaging of Small Scale Fractures in Shale and Carbonate Reservoirs
Alexander M. Popovici, Ioan Sturzu, Tijmen J. Moser
Unconventional Resources Technology Conference (URTEC)
..., discontinuities in the seismic image can appear for a variety of reasons other than diffractions, including small errors in the velocity model of the earth...
2015
Hydrodynamics of Carbonate Fecal Pellets
Harold Rogers Wanless, Elizabeth Ann Burton, Jeff Dravis
Journal of Sedimentary Research (SEPM)
... which is variable but significantly less than that of quartz, calcite, or aragonite mineral grains. Specific gravity of carbonate pellets can be further...
1981
Extending the Range and Geographical Applicability of the Q-Marine Solution
Tim Bunting
Petroleum Exploration Society of Australia (PESA)
...' ~ -1 5 t: measurement of the low velocity swell ! noise, measurement of source wavelet perturbations, measurement of the receiver response...
2009
Seismic Anisotropic Fracture Characterization using Azimuthal Amplitude versus Angle (AVAZ) Combined with Azimuthal Frequency versus Angle (FVAZ)
Salah El Din R Mahmoud, Hassan Al-Marzooqi, Maryam Alqaydi, Amna Alharthi, Muhammad Z. Baig, Abdulla A. Al-Hashmi
Unconventional Resources Technology Conference (URTEC)
...). At an azimuth most parallel to fractures, waveforms were characterized by variable AVAZ responses and small FVAZ variations. Fractures were best imaged...
2022
Lower Tertiary Discoveries in the Gulf of Mexico Deepwater: Capitalizing on Success
Ken Beeney, Greg Kelleher
GCAGS Transactions
.... Structural timing is quite variable within the trend. Some early salt movement has occurred and may have had an influence on the updip sediment...
2005
Abstract: Basin-Level First Arrival Tomographic Inversion Near-Surface Modeling and Key Technologies; #91210 (2025)
Liansheng Liu, Chunlan Xing
Search and Discovery.com
... to the use of all seismic data, micro-logging, and small refraction data from the entire exploration area to construct a unified near-surface velocity model...
2025
Finite Element Modeling of PDC Cutter Performance in Air Drilling Applications for Geothermal Wells
Carlos Vega-Ortiz, Eric Edelman, Pengju Xing, John D. McLennan
Unconventional Resources Technology Conference (URTEC)
... and prevent thermal failure. Velocity profiles, Figure 1C, indicate differences in flow rates between the drill pipe and annulus. In the drill pipe, air...
2025
The Response of Suspended Particulate Material to Upwelling and Downwelling Events in Southern Lake Michigan
Chang-Hee Lee , Nathan Hawley
Journal of Sedimentary Research (SEPM)
.... 68 (1998), No. 5. (September), Time series measurements of water temperature, beam attenuation, and current velocity were made at three stations...
1998
Sedimentary Environments of Shark Bay, Western Australia
Brian W. Logan , Donald E. Cebulski
AAPG Special Volumes
... by moving water, in P. D. Trask, ed., Recent marine sediments: Am. Assoc. Petroleum Geologists, p. 5-31. Inman, D. L., and N. Nasu, 1956, Orbital velocity...
1970
Anatomy and Dynamics of a Floodplain, Powder River, Montana, U.S.A.
James E. Pizzuto, John A. Moody, Robert H. Meade
Journal of Sedimentary Research (SEPM)
..., Saskatchewan, Canada: Geomorphology, v. 25, p. 43–55. Dietrich, W.E., 1982, Settling velocity of natural particles: Water Resources Research, v. 18...
2008
Geostatistical Integration of Crosswell Data for Carbonate Reservoir Modeling, Mcelroy Field, Texas
William M. Bashore, Robert T. Langan, Karla E. Tucker, Paul J. Griffith
Special Publications of SEPM
... with porosities obtained from well logs and core measurements. We expect impedance to be a good predictor of porosity because both velocity and density...
1995
Physical Characteristics of Fluvial Deposits
Glenn S. Visher
Special Publications of SEPM
... meandering Other aspects velocity pulsations such as and a in their seasonal specific CHANNEL FILL SHEET SAND CHANNEL LAG VERTICAL SEQUENCE...
1972
Deep Crust and Basement Structure of the Peace River Arch region: Constraints on Mechanisms of Formation
G.M. Ross
CSPG Bulletin
... (away from the Arch) lower crustal structure and several kilometres of intermediate velocity lower crust beneath the Arch. The presence...
1990
Diagnostic Applications of Borehole Hydraulic Signal Processing
Connor J. Clark, Jennifer L. Miskimins, Dana L. Gallegos
Unconventional Resources Technology Conference (URTEC)
... in the wellbore. Non-uniform temperatures, variable vertical depth and porpoising of the wellbore, and changing viscosities makes the calculation of wave velocity...
2018
Visualization of the Internal Structure of the Massive Division in Experimental Sediment-Gravity-Flow Deposits by Mapping of Grain Fabric
Hajime Naruse, Fujio Masuda
Journal of Sedimentary Research (SEPM)
... currents: Journal of Sedimentary Petrology, v. 52, p. 279–297. Lowe, D.R., 1988, Suspended-load fallout rate as an independent variable...
2006
Impact of Organic Fabrics, Thermal Maturity, Saturation and Diagenesis on Shale Rock Properties
Claudio Delle Piane, Ben Clennell, Matthew Josh, Dave Dewhurst
Unconventional Resources Technology Conference (URTEC)
... of petrophysical properties with P-wave and S-wave velocity dropping significantly (although Vp/Vs ratio stayed almost constant) and ultra-low resistivity (~0.2...
2019
Efficient Completions in Anisotropic Shale Gas Formations
Saied Mighani, Carl Sondergeld, Chandra Rai
Unconventional Resources Technology Conference (URTEC)
..., it is not an insignificant variable for breakdown pressure calculations. In Figure 1 we plot the breakdown pressure vs. tensile strength values drawn from...
2014
Processes, Bar Morphology, and Sedimentary Structures on Braided Outwash Fans, Northeastern Gulf of Alaska
Jon C. Boothroyd, Gail M. Ashley
Special Publications of SEPM
... caused by short-term weather changes. Flow Conditions ls Velocity and depth of flow in c h a n ~ ~ e were 14 12 0 10 I ,8 Lr 2 6 - V) 0 ? O N...
1975
Chapter Three: Structural Interpretation
Alistair R. Brown
AAPG Special Volumes
... on the waveform should one place the contour when working with variable area display? Figure 3-5. Horizontal sections, 4 ms apart, from Peru (courtesy Occidental...
2011
Improved Reservoir Modeling Using Gridded Seismic Attributes: North Concho Bluff Field, West Texas
Peter Lufholm, George Watts, Larry Lofton
West Texas Geological Society
... and a typical seismic section from the 3-D volume. The reservoir sandstone (interval velocity » 12,000 ft/sec) encased by evaporites (interval velocity...
1996
Miocene Systems Tracts of East and West Cameron OCS Areas, Offshore Western Louisiana, Gulf of Mexico
S. Y. Yang , J. S. Watkins , M-J. Jiang , X. Du , B. E. Bradshaw
GCAGS Transactions
... on the shelf are characterized by variable-to-low amplitudes during high sediment influx and moderate-to-low amplitudes during low sediment influx...
1992
Chapter 8: Impact of Depositional and Diagenetic Heterogeneity on Multiscale Mechanical Behavior of Mancos Shale, New Mexico and Utah, USA
Hongkyu Yoon, Mathew D. Ingraham, Joseph Grigg, Benjamin Rosandick, Peter Mozley, Alex Rinehart, William M. Mook, Thomas Dewers
AAPG Special Volumes
... different degrees of bioturbation. Ultrasonic velocity measurements show small measurable differences between the lithofacies types, and these are explained...
2019