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The AAPG/Datapages Combined Publications Database
Showing 5,207 Results. Searched 201,049 documents.
The Impact of Refinement of Quantitative Palynostratigraphic Interpretations on High-Resolution Sequence Stratigraphic Analyses
Salah El-Din Ragab Mahmoud
Abilene Geological Society
... abundance and diversity decreases seawards. The inverse relationship between abundance of marine phytoplankton versus terrestrial miospores is well...
1999
Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings
F. Sandnes, L. Nustt, S. G. Henry
Indonesian Petroleum Association
... deconvolution is then carried out to remove the main part of the seabed reverberant. The inverse operator is derived for the remaining system...
1983
Wyodak Coal, Tongue River Member of the Fort Union Formation, Powder River Basin, Wyoming: “No-Coal Zones” and Their Effect on Coalbed Methane Production
Mark Ashley
West Texas Geological Society
... to be a distributary fluvial channel. It also reveals structural highs in the Big George coal overlying the “no-coal zones.” Additionally it displays the inverse...
2005
Full phase-velocity spectrum inversion of multimode Rayleigh waves
Yanlong Niu, Yunyue Elita Li, Siau Chen Chian
International Meeting for Applied Geoscience and Energy (IMAGE)
...-optimize/scikit-optimize: Zenodo 4014775. Lai, C. G., 2005, Surface waves in dissipative media: Forward and inverse modelling, in Surface waves...
2022
Transdimensional Bayesian gravity inversion and uncertainty analysis for salt reconstruction
Xiaolong Wei, Jiajia Sun, Mrinal K. Sen
International Meeting for Applied Geoscience and Energy (IMAGE)
... uncertainty of geophysical inverse problems can be achieved in the Bayesian inference framework (e.g., Metropolis et al., 1953; Hastings, 1970; Green...
2022
The Geophysical Characteristics and Evolution of Northern and Southern Margins of the South China Sea
Xia Kan-yuan, Zhou Di
Geological Society of Malaysia (GSM)
... ....... +...... +.... Theoretic curve or caleulaced model Figure 6. The inverse curve of the magnetic anomaly (~T) of the southern segment of line 5 southwest...
1993
A Review of Seismic Acquisition Trials and Procedures in the Cooper Basin, South Australia
J. R. Hughes, N. A. Fitzgerald
Petroleum Exploration Society of Australia (PESA)
... as a constant but vary the sweeps/VP and stack fold in inverse proportions to each other; (b) the effect of varying stack (horizontal) fold; and (c...
1989
Application of Airborne Gamma Ray Spectrometric Surveys Meguma Terrane, Nova Scotia
K. L. Ford, J. M. Carson
Atlantic Geology
... concentrations with increasing differentiation. The more prevalent inverse relationship between uranium and thorium results in high eU/eTh ratios...
1986
Lower Permian Depositional System, Northern Uncompahgre Basin
John A. Campbell
Four Corners Geological Society
... poorly developed inverse-graded bedding. Figure 6. Photograph of channeled base of the fan-head trench deposits, near base of the Cutler Formation...
1979
Alluvial and Coastal Conglomerates: Their Significant Features and Some Comments on Gravelly Mass-Flow Deposits
W. Nemec, R. J. Steel
CSPG Special Publications
... basseng ved en transform plategrense. Cand. Real. Thesis, University of Bergen, Bergen, 380 p. Smith, N.D. 1974. Sedimentology and bar formation...
1984
The Role of Regional Seismic Surveys in the Exploration of the North West Shelf
J. Ostby, C. Johnston
Petroleum Exploration Society of Australia (PESA)
... than the underlying primary reflections. Another multiple technique which has been gaining in popularity is the Radon transform demultiple or inverse...
1994
Geostatistics and Stochastic Modeling: Bridging into the 21st Century
T. C. Coburn, J. M. Yarus, R. L. Chambers
AAPG Special Volumes
... in Geology 3, 379 p.Zimmerman, D., et al., 1998, A comparison of seven geostatistically based inverse approaches to estimate transmissivities for modeling...
2006
Identifying Rock Compressibilities Influenced on Delta Facies at Simpang Pasir Area, Samarinda Seberang, Kutei Basin and Its Related to Reservoir Characterization
Iqbal Fardiansyah, Agung Budiman, Carolus Prasetyadi
Indonesian Petroleum Association
... space stiffness is defined the inverse of the dry rock pore space compressibility at a constant pore pressure (Zimmerman, 1991), and is written...
2010
Channel Belt Architecture and Geometry — A Function of Depositional Parasequence Set Stacking Pattern, Ferron Sandstone, East-Central Utah
T.C.V. van den Bergh, James R. Garrison Jr.
Montana Geological Society
.... River bifurcation into distributaries is the inverse of the joining of tributaries to a river, therefore the architectural systematics...
1996
MaxG and MaxBHT Basin Temperature Modelling Using Bottom Hole Temperature Datasets
Ian Deighton, Erika Tibocha, Pete Dotsey
Unconventional Resources Technology Conference (URTEC)
... major lithostratigraphic units that were mapped. To parameterize this variation, we use an inverse relationship similar that for porosity defined...
2014
The Effect of Gravitational Compaction on the Structure of Sedimentary Rocks: A REPLY TO A DISCUSSION BY W. W. RUBEY
Hollis D. Hedberg
AAPG Bulletin
.... Rubey says: From laboratory and well data and theoretical considerations, Hedberg shows that the volume of shale varies roughly in inverse proportion...
1927
Acoustic full-waveform inversion with acoustic and elastic data using a hybrid optimization method
Zeyu Zhao, Mrinal K. Sen, Mohamed Dolliazal, Paul Williamson
International Meeting for Applied Geoscience and Energy (IMAGE)
.... P., and J. Ba, 2014, Adam: A method for stochastic optimization: arXiv preprint, arXiv:1412.6980. Lailly, P., 1983, The seismic inverse problem...
2022
How to Better Define the Structures Using 2D and 3D Restoration Tools in Complex Areas. Case Study in the Sub Andean Zone, Bolivia.
I. Moretti, A. Macris, J.F. Lecomte, V. Delos, A. Leclerc, J. Letouzey, A. Otero, J.C Calvo
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... unable to model steep or inverse flanks Method_3 - Extrapolation of parallel cross-sections restoration An alternative approach is based on the extension...
2006
Elastic FWI for large impedance contrasts
Zedong Wu, Zhiyuan Wei, Zhigang Zhang, Jiawei Mei, Rongxin Huang, Ping Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
...: Decades in the making: The Leading Edge, 40, 324–334, doi: https://doi.org/10.1190/tle40050324.1. Lailly, P., 1983, The seismic inverse problem...
2022
Effects of Variations of Stress-Dependent Hydraulic Properties of Proppant Packs on the Productivity Indices of the Hydraulically Fractured Shale Gas Reservoirs
Ali Takbiri Borujeni
Unconventional Resources Technology Conference (URTEC)
... and permeability values are approximately equal. As velocity increases, apparent permeability decreases. A plot of inverse of apparent permeability u versus ρ...
2014
Fluvial Paleochannels
S. A. Schumm
Special Publications of SEPM
... The relation is inverse with high silt clay content being acteristic of low percentage of bedload of sediment load and width F and channel...
1972
Seismic Signature as a Porosity Indicator in Early Miocene Reefs in the Madura Strait Via AVO Inversion and Modelling
Bimal R. Banerjee
Indonesian Petroleum Association
..., the inverse solution gives more quantitative aspects of the elastic elements in the signature. The angle dependent nature of the amplitude is conveniently...
1993
Model-Based, 2-D Seismic Definition of Subthrust Structure in the Uranium Peak Area, Northwest Colorado
George C. Robertson, Dirk W. McDermott, Rex L. Tang
Rocky Mountain Association of Geologists
... and to identify Paleozoic reflectors. Two modeling methods were used to analyze the seismic data. Inverse Modeling The first model attempted...
1995
The Point Fermin Submarine Fan: A Small, Late Middle Miocene Age Fan Within the Monterey Formation
Perry Russell
Pacific Section SEPM
... thick-bedded deposits varies from pebble breccia to coarse-grained sandstone up to fine- to medium-grained sandstone. Inverse grading is locally evident...
1987
Artificial Intelligence Its Use in Exploration and Production. Part 1: What is it really and what are its limitations?
Barrie Wells
GEO ExPro Magazine
... been guided by his knowledge of the physical process involved. That would have made him try inverse relationships and non-linearity (raising...
2022