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The AAPG/Datapages Combined Publications Database
Showing 1,248 Results. Searched 200,685 documents.
Dispersal patterns in Upper Devonian quartzose sandstones in West Central Colorado
John A. Campbell
CSPG Special Publications
... of the apparent size of one hundred grains from each thin section. Samples were taken from each major sandstone bed of each unit. A summation of this data...
1967
A Practical Discussion of 3D Seismic Surveys
Howell Pardue, Stephen Jumper, Frank Brown, Peter Morton
West Texas Geological Society
... a subsurface cell or bin. In processing, the individual contributors in a bin are summed together to form a common-midpoint stack trace. This summation...
1994
Deep water OBN multiple prediction from local reflectivity in the Stolt domain
Cesar Ricardez
International Meeting for Applied Geoscience and Energy (IMAGE)
... performed wavefield separation below the seabed through adaptive PZ summation in the 3D curvelet domain, yielding the required downgoing wavefield dataset...
2024
3-D Geocellular Oil-Resource Determination in South Texas Frio Fluvial-Deltaic Reservoirs
Mark H. Holtz , Joseph Yeh , C. Y. Chang
GCAGS Transactions
..., attribute-summation maps, and hydrocarbon volumetrics, were performed in this step. Applying attribute-model equations allowed additional attributes...
1997
A Workflow to Map Maturity and Fluid Properties From Public Production Reporting
W. Kurt Rucker
Unconventional Resources Technology Conference (URTEC)
... is required to unify the selection of maps to a common, and useful, maturity scale. Normalization and summation would require new derivations to physically...
2023
Well Log Application in Source Rock Evaluation: Using Committee Machine with Intelligent Systems (Paper P13)
M. Verdiyar, F. Kamyabi, A. Nazarpour, M. K. Ghassem Alaskari
Geological Society of Malaysia (GSM)
... expressed as TOC, which is actually the summation of free hydrocarbons, generation potential and residual carbon in the rock. Conventionally TOC...
2012
Seismic Migration: Part 7. Geophysical Methods
Ken Larner, David Hale
AAPG Special Volumes
.... The earliest form, Kirchhoff summation migration, intuitively follows the situation depicted in Figure 1. In essence, recorded amplitudes on CMP traces...
1992
Simulation Model of Honolulu Basal Aquifer--Summary: Hydrogeology
R. H. Dale
AAPG Special Volumes
... large, the summation of salt water over long periods of time is zero, and coastal-plain leakage has been relatively constant because of the relative...
1976
The Quantification of Diffusive Hydrocarbon Losses Through Cap Rocks of Natural Gas Reservoirs--A Reevaluation: Discussion (1)
JON S. NELSON and E. C. SIMMONS
AAPG Bulletin
... to be correct, as t approaches infinity, the term including the summation goes to -1/3, not +1/3 as written. This result is not possible because t[1/2](out) would...
1992
Abstract: Predicting Oil Quality - Simulating Reservoir Alteration Processes, by C. C. Walters, H. Freund, S. R. Kelemen, A. L. Braun, and L. M. Wenger; #90091 (2009)
Search and Discovery.com
2009
WVD, Singular Value Decomposition Extended to Three Dimensional Space and Beyond
Xishuo Wang
Search and Discovery.com
... norm and refer to eqn.3), and then I form: ni Ajk ...mn ¦A guess ijk ...mn i i 1 u , in which the summation upper limit n1 is the length...
Unknown
ABSTRACT: Imaging Through Gas Clouds: Case Histories from the Gulf of Mexico; #90007 (2002)
Knapp, Steve, Nigel Payne, Tony Johns
Search and Discovery.com
... summation technique (Moldoveanu, 1996) and a radial and transverse volume from the P-S data recorded on the two horizonal geophones. Deliverables include pre...
Unknown
WVD, Singular Value Decomposition Extended to Three Dimensional Space and Beyond
Xishuo Wang
Search and Discovery.com
... norm and refer to eqn.3), and then I form: ni Ajk ...mn ¦A guess ijk ...mn i i 1 u , in which the summation upper limit n1 is the length...
Unknown
Abstract: Point Receiver Acquisition and Processing for Arctic Near Surface Challenges; #90171 (2013)
C. Strobbia, A.Glushchenko, A. Laake, P.L.Vermeer, S. Papworth, and Y. Ji
Search and Discovery.com
... wavelength component has a range exceeding 15ms within a 50m distance . The straight summation of 10 traces, without single sensor (intra-array) statics...
2013
Abstract: 3D Seismic Imaging in the Pakistan Foothills: A Case History; #90172 (2014)
Victor Dolgov, Rob Vestrum, Jon Gittins, Géza Wittman
Search and Discovery.com
... when new processes take over.” Kirchhoff migration is a summation process. Interpolation happens naturally within the algorithm as input samples...
2014
Abstract: Local Stretch Zeroing NMO Correction; #90174 (2014)
N. Kazemi and H. R. Siahkoohi
Search and Discovery.com
... by summation. BMS has been the subject of further developments, as was recently reviewed by Brouwer (2002), where an up-to-date list of references can be found...
2014
Abstracts: Mapping Fracture Flow and Reservoir Stress Compartments with Passive Seismic Imaging; #120181 (2015)
Alfred Lacazette, Charles Sicking, Jan Vermilye, and Rigobert Tibi
Search and Discovery.com
... by summing individual SET time steps over extended periods of time, such as the pumping time of a frac stage (Figure 1). Summation enhances spatially...
2015
Abstracts: 2-D Finite-difference Modelling of Pore-pressure Diffusion in Heterogeneous Anisotropic Porolelastic Media: Implications for Induced Microseismicity; #90173 (2015)
David W. Eaton
Search and Discovery.com
... tensor, and the summation convention is used. For a homogeneous anisotropic material the diffusion equation simplifies to ∂p ∂2 = Dij p (t , x) ∂t ∂xi ∂x...
2015
Abstracts: Converted Wave Processing in the EOM Domain; #90173 (2015)
Thais A. Guirigay and John B. Bancroft
Search and Discovery.com
... surface over which the Kirchhoff summation or integration takes places. Equivalent Offset Migration The equivalent offset is defined by converting...
2015
Abstracts: Application of Fractional Fourier Transform in Cepstrum Analysis; #90173 (2015)
K. H. Miah, R. H. Herrera, M. van der Baan, and M. D. Sacchi
Search and Discovery.com
... to the FT based 'true' cepstrum. Figure 3, show that the summation of the real-valued Fractional-Cepstrum representation of any two signals is equivalent...
2015
Modeling of an Unconventional Gas Accumulation Taking into Account Spatial Correlation, Greater Natural Buttes, Utah; #40655 (2010)
Ricardo A. Olea; Troy A. Cook; and James L. Coleman, Jr.;
Search and Discovery.com
... versions of reality (realizations) having equal chances of being the correct model. For each realization, summation of EUR in cells not drained...
2010
3-D Design Philosophy – Part 4: The Even-Integer Rule, by Bob Hardage, #40664 (2010)
Search and Discovery.com
2010
A Petrophysical Model to Estimate Free Gas in Organic Shales, #40781 (2011)
Michael Holmes, Dominic Holmes, and Antony Holmes
Search and Discovery.com
.... A summation of free gas-filled shale porosity can then be compared with cumulative adsorbed gas volume to yield a comprehensive petrophysical analysis...
2011
Hild East (North Sea, Norway): How Geosciences Integration Led to the Re-Birth of an Old Discovery; #20128 (2012)
Christian H. Mathieu, Rune Hope, and Louis Bruckert
Search and Discovery.com
... on the seabed cable geophones-because of the azimuthal illumination and the efficient multiple suppression from PZ summation. Although the dynamical...
2012
Orthorhombic Imaging for Orthogonal Wide Azimuth Surveys in Mississippi Canyon, Gulf of Mexico; #30391 (2014)
Yang He, Adam Gersztenkorn, Sherry Yang, Bin Wang
Search and Discovery.com
... discrepancies between seismic images built for different azimuths, produced a constructive summation of OWAZ datasets and provided significant imaging uplift...
2014