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The AAPG/Datapages Combined Publications Database
Showing 470 Results. Searched 195,364 documents.
Pengiraan nilai Penanda Mutu Batuan (RQD) menggunakan kaedah analisis spektral gelombang permukaan (IN MALAY), Rock Quality Designation (RQD) computation using the Spectral Analysis of Surface Waves method
Suharsono, Abdul Rahim Samsudin, Abdul Ghani Rafeek
Geological Society of Malaysia (GSM)
... menggunakan halaju perambatan gelombang Rayleigh (yang kemudiannya disongsangkan menjadi halaju gelombang ricih) bagi menaksir nilai RQD. Penggunaan gelombang...
2006
In-Well Stress Shadow and Near-wellbore Fracture Geometry Diagnosis Using High-resolution Distributed Strain Sensing via Rayleigh Frequency Shift
Aishwarya Srinivasan, Dana M. Jurick, Kyle Haustveit, Ge Jin, Artur Guzik, Kan Wu
Unconventional Resources Technology Conference (URTEC)
...In-Well Stress Shadow and Near-wellbore Fracture Geometry Diagnosis Using High-resolution Distributed Strain Sensing via Rayleigh Frequency Shift...
2023
Pebbles from a Pothole: A Study in Shape and Roundness
Dorothy Carroll
Journal of Sedimentary Research (SEPM)
...: A study in sediment transport: Jour. Geology, vol. 56, pp. 526-577. RAYLEIGH, LORD, 1942. The ultimate shapes of pebbles, natural and artificial...
1951
Marine Seismic Sources: Part XII: Sound in the Sea
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... of Acoustics In 1878 Lord Rayleigh published The Theory of Sound, a work marking the beginning of the modern study of acoustics. Lord Rayleigh was the first...
2012
Orthoconic Nautiloids as Indicators of Shoreline Surface Currents: NOTES
R. A. Reyment
Journal of Sedimentary Research (SEPM)
... direction given by figure 2. Although there is little doubt that the siphuncles are not oriented at random, the Rayleigh test for randomness...
1968
Calculation of The An360/An180 Orientation Statistic Using a Programmable Calculator: RESEARCH-METHOD PAPER
Paul Bishop
Journal of Sedimentary Research (SEPM)
... and Pettijohn, 1963, p. 262-268). Commonly used tests are the chis-quare test and the Rayleigh test, and Freeman and Pierce (1979) and Lindholm (1979...
1982
Dolomitization by Groundwater-Flow System in Carbonate Platforms
Michael Simms
GCAGS Transactions
... are the dimensionless Prandtl and Rayleigh numbers. The solutions , and C to this set of dimensionless equations are then perturbed away from the values they hold...
1984
High Resolution Diffraction Imaging of Small Scale Fractures in the Eagle Ford Unconventional Shale Play
A. M. Popovici¹, I. Sturzu¹, I. Musat¹, N. Tanushev¹, and T. J. Moser²
Houston Geological Society Bulletin
... that are beyond the classical Rayleigh limit of half a seismic wavelength. The goal of diffraction imaging is to provide interpreters...
2012
Abstract: Substrate (CO and CO2) utilization in chemolithotrophic microorganisms at a site of serpentinization: Tablelands Ophiolite, Newfoundland
S. Miles, P. L. Morrill, L. Khol
Atlantic Geology
.... Rayleigh LNT Atlantic Universities Geoscience Conference 2013 - ABSTRACTS Atlantic Geology, 2013, Volume 49, Number 1 Copyright © 2015 Atlantic Geology...
2013
Field Statistical Assessment of Cross-Bed Data: METHOD PAPER
Tom Freeman, Keith Pierce
Journal of Sedimentary Research (SEPM)
...). B) Mean resultant vector azimuth. C) Consistency ratio of the mean azimuth. A Rayleigh level of significance can then be derived by matching...
1979
2010
ABSTRACT: 300 Ma Old Magmatic CO2 Precedes Natural Gas Migration in West Texas, by Chris J. Ballentine, Martin Schoell, Dennis D. Coleman, and Bruce A. Cain; #90906(2001)
Search and Discovery.com
2001
Abstract: Understanding Seismic Detection and Resolution of High-Frequency Sequences and Systems Tracts, by Hongliu Zeng; #90078 (2008)
Search and Discovery.com
2008
Characteristics of the Free Surface Multiple Attenuation Using Wave Field Extrapolation, Ferreira, Patrícia P.; Cetale Santos, Marco Antonio; Landau, Luiz, #90100 (2009)
Search and Discovery.com
2009
-- no title --
user
Search and Discovery.com
... Ansorger CGGVeritas, Calgary, AB, Canada [email protected] Abstract/Excerpt The attenuation of surface wave energy, ground roll or Rayleigh...
Unknown
Abstract: Wave Gradiometry Using a Three-dimensional Array of Experimental MEMS- based Accelerometers, by Donny T. Dangkua, Charles A. Langston, and Chris H. Cramer; #90182 (2013)
Search and Discovery.com
2013
Geochemical Characterization of Post Mature Gases from Middle Devonian Marcellus Formation, Northern Appalachian Basin, USA – Insights into Deep Basin Hydrocarbon Generation, Alteration, and Productivity
Search and Discovery.com
N/A
Receiver Functions and Surface Wave Dispersion Modeling of the Crust and Upper Mantle beneath the Texas Gulf Coast
Search and Discovery.com
N/A
ABSTRACT: Uncorrelated Data-Driven Vibroseis Deconvolution; #90051 (2006)
Peter I. Pecholcs
Search and Discovery.com
.... Using the uncorrelated air-coupled rayleigh wave we can model the near-field ground force signal. This spatially varying ground-force estimate now...
Unknown
ABSTRACT: Seismic Noise Tomography in the Chile Ridge Subduction Region; #90113 (2010)
Alejandro Gallego, Raymond M. Russo, Diana Comte, Victor I. Mocanu, Ruth E. Murdie, and John C. Vandecar
Search and Discovery.com
... least-squares inversion of the Rayleigh wave travel times. The process was applied to cross correlation pairs determined in two period bands, 2.5-10 sec...
2009
Assessment and Quantification of Petroleum Alteration Processes on the Reservoir Scale Using Oil Compositional Variability and Compound Specific Isotope Ratios, #90110 (2010)
Heinz Wilkes, Andrea Vieth, Raingard Haberer, Stefanie Pötz, and Brian Horsfield,
Search and Discovery.com
... fractionation caused by biodegradation of light hydrocarbons in a petroleum reservoir can be described using the Rayleigh equation (Vieth and Wilkes, 2006...
2010
ABSTRACT: Biogenic Shale Gas System Characterization- A Case Study from the Colorado Group Shale in the Western Canada Sedimentary Basin; #90134 (2011)
Haiping Huang, Ron Spencer, Andy Aplin, Ian Gates, Per Pedersen, Steve Larter
Search and Discovery.com
... open. Gas isotope analysis based on a Rayleigh fractionation model suggests that gases were generated near current reservoir temperature and generation...
2011
-- no title --
user
Search and Discovery.com
... Ansorger CGGVeritas, Calgary, AB, Canada [email protected] Abstract/Excerpt The attenuation of surface wave energy, ground roll or Rayleigh...
Unknown
Abstract: Geophysical Studies of the Deep Lithosphere Beneath Hudson Bay and Environs: Implications for Paleoproterozoic Assembly of Laurentia; #90172 (2014)
David W. Eaton, Meghan S. Miller, Fiona Darbyshire
Search and Discovery.com
... of the initial results from HuBLE, based on analysis of Rayleigh-wave dispersion and application of so-called S-Receiver Functions. Our analysis confirms...
2014
Abstract: Using Advanced Geochemical Techniques to Determine the Line of Death Productive Limits of the Marcellus in NE Pennsylvania; #90228 (2015)
Christopher Laughrey
Search and Discovery.com
... cracking of residual oil and condensate, (3) a combination of mixing, Rayleigh fractionation of C 2 and C 3 , and exchange of methane hydrogen...
2015