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The AAPG/Datapages Combined Publications Database
Showing 3,548 Results. Searched 196,763 documents.
Composition of Organic Matter from North Atlantic Kimmeridgian Shales: GEOLOGIC NOTES
Henning Dypvik, Hakon G. Rueslatten, Torbjorn Throndsen
AAPG Bulletin
... in alkane-rich material of marine derivation. Upward decreasing silt + sand/clay ratios and increasing influx of marine palynomorphs (Bjaerke, 1978...
1979
Assessing the Relative Importance of Compaction Processes and Cementation to Reduction of Porosity in Sandstones: REPLY
David W. Houseknecht
AAPG Bulletin
... porosity destroyed by compaction and cementation is a procedure aided by my diagram, but it is an interpretative derivation that necessarily introduces...
1989
A Modified Approach to Estimating Coal and Coal Gas Resources: Example from the Sand Wash Basin, Colorado
Andrew R. Scott , Naijiang Zhou , Jeffrey R. Levine
AAPG Bulletin
...) to coal-volume fraction is required (see Appendix 1 for derivation). [Equation (3)] Ash-free coal and mineral matter density are given by ^rgrc...
1995
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
..., and the ray bundle connecting a source-receiver pair deflates into a single ray. The derivation leading to the phase-ray solution given in equations 8, 9...
Unknown
Abstract: Quantitative Assessment of Gestational Sac Shape: The Gestational Sac Shape Score, by Jia Li, Russell Deter, and Wesley Lee; #90206 (2014)
Search and Discovery.com
2014
Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method
Tianfei Zhu
Search and Discovery.com
..., and the ray bundle connecting a source-receiver pair deflates into a single ray. The derivation leading to the phase-ray solution given in equations 8, 9...
Unknown
Abstract: Parallel Implementation of Pre-stack Least-squares Migration for Distributed Systems; #90171 (2013)
Sam T. Kaplan
Search and Discovery.com
..., Calgary, Alberta, Canada, May 4-8, 2009 lateral velocity variation. Our derivation stems from the Born approximation, and is similar (but not the same...
2013
Abstract: Azimuthal Simultaneous Elastic Inversion; #90172 (2014)
Jon Downton, Benjamin Roure
Search and Discovery.com
... and limitations with this. First, the derivation assumes an isotropic half-space over an anisotropic half-space. This assumption is restrictive as we...
2014
Abstract: Turbidite-hosted, Auriferous, Orogenic Quartz Veins at the Jaclyn Deposit (Golden Promise), Central Newfoundland; #90172 (2014)
H. A. Sandeman, H. Rafuse, D. A. Copeland
Search and Discovery.com
... Group rocks (12.13-14.99 wt. %), perhaps indicating their derivation from a more aluminous (feldspathic?) source. This observation is supported...
2014
Abstract: Interactive Visual Steering for Reservoir Geoscience and Engineering; #90174 (2014)
Ali Karami Moghadam, Nicole Sultanum, Zamir Martins Filho, Daniel N. Miranda-Filho, Hamidreza Hamdi, John Chen, and Mario Costa Sousa
Search and Discovery.com
... cases and their respective base cases. Each derived case can lead to further derived cases as part of a derivation tree [6]. At user discretion, any...
2014
Abstract: A History of Crockerland - The Little Arctic Terrane that Could; #90187 (2014)
Ashton Embry and Owen Anfinson
Search and Discovery.com
...) zircons in some Late Devonian sandstones. Such a Caledonide-derivation of Crockerland fits well with the concept of “escape tectonics...
2014
Abstracts: Geomechanical Controls on Matrix/Fracture Permeability of Tight Oil and Liquid-Rich Gas Reservoirs: Implications for Hydraulic Fracturing; #120181 (2015)
A. Ghanizadeh, S. Aquino, O. Haeri-Ardakani, H. Sanei, and C. R. Clarkson
Search and Discovery.com
...). The procedure for derivation of this correlation is briefly explained within the figure. The observed interrelationships between mechanical hardness...
2015
Abstracts: The Deconvolution of Multicomponent Trace Vectors; #90173 (2015)
Xinxiang Li, Peter Cary, and Rodney Couzens
Search and Discovery.com
... matrix, the above derivation leads to the time-shift independence of the vector power spectrum. An immediate conclusion from the above properties...
2015
Abstract: Two Issues about the Application of VP/VS: Quality Improvement and Error Analysis; #90211 (2015)
Duojun Zhang and Larry Lines
Search and Discovery.com
... 15-18, 2006 Figure 5. The sketch of interpreted model. To simplify the derivation, we assume that CS1=ΔtPS1/ΔtPS, CS2=ΔtPS2/ΔtPS, CP1=ΔtPP1/ΔtPP, CP2...
2015
Abstract: Deterministic Marine Deghosting: Tutorial and Recent Advances; #90224 (2015)
Mike J. Perz and Hassan Masoomzadeh
Search and Discovery.com
... violates the convolutional model that forms the cornerstone of the derivation of our deterministic deghosting operator, and would lead to unacceptable...
2015
Abstract: Concurrent In-Situ Measurement of Permeability, Gas Content and Gas Saturation; #90234 (2015)
Quentin Morgan
Search and Discovery.com
... data, data validation results, pressure transient analyses, and RRS analyses. The key deliverables specified for the field trial were derivation...
2015
An Innovative Approach for Estimating the SW and Porosity Using Gas and Mud Logging Data in Real Time; #40824 (2011)
Giulia Beda and Devendra Tiwary
Search and Discovery.com
... wells. Derivation of Porosity (PHI) If allowance can be made for all the variables inherent in drilling conditions, the mud logging data are essentially...
2011
Fault Seal Prediction and Uncertainty Estimation of a Water Wet Fault, #41029 (2012)
Tan Chun Hock, Lothar Schulte
Search and Discovery.com
... – sand juxtapositions that could represent potential leakage zones. A more accurate way to estimate the leakage potential of the fault is the derivation...
2012
Barite Mobilization in the Upper Devonian Succession of Western New York Evidence for Anaerobic Methane Oxidation and Methanogenesis during Quasi-Steady State Buria, #50744 (2012)
Gary G. Lash, Randy Blood
Search and Discovery.com
..., The isotopic composition of western Canadian barites and the possible derivation of oceanic sulphate delta 34S and delta 18O age curves: Canadian Journal...
2012
Petrology of High-Maturity Samples of the Barnett Shale; #80243 (2012)
Kitty L. Milliken, William L. Esch, and Robert M. Reed
Search and Discovery.com
... intrabasinal derivation of the particles. Quartz is present in all four fractions and locally dominates as many as three fractions, even in a single sample...
2012
3D Seismic Reflection and Borehole Expression of Tectonically Controlled Deep-Marine Reservoirs: An Example from the Northern North Sea Hydrocarbon Province; #41173 (2013)
Christopher A-L. Jackson
Search and Discovery.com
... derivation of material from the Caledonides rocks along the western Norwegian margin. 3. Mudstone above basal UC and canyon surface is suggestive of a S2S...
2013
Late Cretaceous-Paleogene Foreland Sediment-Dispersal Systems in Northern and Eastern Mexico: Interpretations from Preliminary Detrital-Zircon Analysis, #30423 (2015).
Timothy Lawton, James Pindell, Alejandro Beltran-Trivino, Edgar Juarez-Arriaga, Roberto Molina-Garza, Daniel Stockli
Search and Discovery.com
... of central Mexico, recorded by a sample of the Soyatal Fm, lack Laurentian grains, indicating local derivation from accreted terranes directly to the west...
2015
The Source of Oil and Gas Accumulations in the Browse Basin, North West Shelf of Australia: A Geochemical Assessment; #10827 (2016)
Emmanuelle Grosjean, Dianne S. Edwards, Tehani J. Kuske, Lisa Hall, Nadege Rollet, John Zumberge
Search and Discovery.com
... the Caswell Sub-basin depocenter, suggesting derivation from coal-rich facies within thick Jurassic syn-rift sediments. The few sub-economic oil...
2016
Facies Reconstruction of the Ingleside and Casper Formations: a Mixed Carbonate-Siliciclastic System, #51447 (2017).
Kajal Nair, Sven Egenhoff, John Singleton
Search and Discovery.com
... grains suggests derivation from Grenville basement terrane. 85 110 468.3±12 1054±34 19 21 1284±25 22 30 117 116 27 28 78 34 1700±71 35 1034...
2017
Three Rock-Typing Methods and Implementation as Part of the Reservoir Characterization and Uncertainty Assessment: An Example from the Arab Formation (Upper Jurassic), Onshore Field United Arab Emirates; #51650 (2020)
Jose Gregorio Rodriguez Gonzalez, Wala Sahel Abdulla Mohammed Bin Ishaq, Moza Ahmed Al Teneiji
Search and Discovery.com
... classes according to the families of SW-height curves and pore throat distributions. If they are transformed into J-functions, a derivation of PC-Types...
2020