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The AAPG/Datapages Combined Publications Database
Showing 1,129 Results. Searched 195,452 documents.
Abstract: Using Geophysics to Optimize Horizontal Well Performance in the Bakken; #90174 (2014)
Marivi Molina
Search and Discovery.com
... horizon. The horizon smoothing attribute called “Gradient” calculates the magnitude of the dip of the Bakken horizon and helps detect any major vertical...
2014
Structural Analysis Using Spatial Filtering in Interior Plains of South-Central Alberta
J. E. Robinson , H. A. K. Charlesworth , M. J. Ellis
AAPG Bulletin
... were used to construct structure-contour maps of four stratigraphic surfaces: top of the Devonian carbonate rocks, sub-Cretaceous unconformity, base...
1969
Stress, Fracture, and Fluid-flow Analysis Using Acoustic and Electrical Image Logs in Hot Fractured Granites of the Coso Geothermal Field, California, U.S.A.
Nicholas C. Davatzes, Stephen H. Hickman
AAPG Special Volumes
... these methods and differentiated from less hydrologically significant attributes such as rock foliation.The stress state that causes fractures...
2010
Assessment of Fault Zone Properties for CSG Development Areas
Jim Undershultz, Saswata Mukherjee, Alexandra Wolhuter, Huan Xu, Eddie Banks, Saskia Noorduijn, Jim McCallum
Unconventional Resources Technology Conference (URTEC)
... Basin. A coherency volume ("Variance") was created with a 15 sample smoothing filter. This provided a reasonably high fidelity image of faulting...
2019
PP-PS depth-domain AVA inversion
Maud Cavalca, Robin P. Fletcher
International Meeting for Applied Geoscience and Energy (IMAGE)
... functions formed using kinematic and dynamic PS ray attributes derived through P- and S-ray tracing. The first set of Green functions characterizes...
2023
A Comparison of Depth Conversion Methods in Buntal Gas Field, Block B, Natuna Sea, Indonesia
Irfan Yuliandri Syukri, John Hughes, Medi Medianesterian
Indonesian Petroleum Association
... and therefore retain detail lost in smoothing processes used to derive migration velocities. The hand-picked data are noisy, but it is preferred to retain...
2014
Quantification of the morphology of gold grains in 3D using X-ray microscopy and SEM photogrammetry
François-Xavier Masson, Georges Beaudoin, Denis Laurendeau
Journal of Sedimentary Research (SEPM)
... by the apparent density of the gold grain, and a normal mesh is produced. A Laplacian smoothing filter (one iteration) is used to remove the noise...
2020
Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12
E. W. Peikert
AAPG Special Volumes
...-primary and primary events. Mathematical or interpretative smoothing of Vint estimates from a number of velocity gathers within a selected radius of a given...
1985
3-D Seismic in the Glennpool Area, Northeastern Oklahoma, Christopher L. Liner, #40040 (2002)
Search and Discovery.com
2002
Geophysical Log Responses to Variatons in Lithology in Borings Clino and Unda, Great Bahama Bank
E. Robert Warzeski, Leslie A. Melim, Robert N. Ginsburg
Special Publications of SEPM
... on geophysical logs where they show higher upper of the peaks coincide with subaerial exposure surfaces and amplitudes of density and velocity than...
2001
Diagenesis Severely Modified Reservoir Characteristics: A Unique Carbonate Reservoir from Alur Siwah Field, Indonesia; #20203 (2013)
Ricardo Maranu, Ismail Syarifuddin, Erham Adhitiawan, Nadia Nurul, Miftahurochman Miftahurochman, Ferry Baskaraputra, Luqman Luqman, Yudi Yanto, and Joan Lumban Tobing
Search and Discovery.com
... seismic data is Pre-Stack Time Migration data that reduces uncertainties in textural attributes and seismic inversion interpretation. Well seismic...
2013
Mn-Fe Coatings on Saprolite Fracture Surfaces
Charles E. Weaver
Journal of Sedimentary Research (SEPM)
...Mn-Fe Coatings on Saprolite Fracture Surfaces Charles E. Weaver 1978 Vol. 48 No. 2. (June), Black coated fracture surfaces are common...
1978
Time Series Analysis II
Gerard V. Middleton
Special Publications of SEPM
... heuristic reasoning. First we recall that points have a topological dimension of zero, curves have a dimension of one, and surfaces (in 3-space) have...
1995
Reservoir Modeling by Constraining Stochastic Simulation to Deterministically Interpreted Three-dimensional Geobodies: Case Study from Lower Cretaceous McMurray Formation, Long Lake Steam-assisted Gravity Drainage Project, Northeast Alberta, Canada
Milovan Fustic, David Thurston, Adal Al-Dliwe, Dale A. Leckie, Dany Cadiou
AAPG Special Volumes
... connects the geobodies three-dimensionally to create spatially defined triangulated geobody surfaces. This methodology honors and integrates a range...
2013
Present Structural Plan of the Zone of the Repetek Deep Fault
R. Ye. Ayzberg, G. I. Amurskiy
Petroleum Geology: A Digest of Russian Literature
..., the crystalline basement is considerably down-dropped, and a several-kilometer unit of its upper stage is developed here. Smoothing out and filling of the main low...
1962
Shape Variation of Some Lake Superior Beach Pebbles
Robert M. Grogan
Journal of Sedimentary Research (SEPM)
..., entirely adequate to round off all the sharp corners and edges present on the originally angular rock fragments. The degree of smoothing of rough...
1945
Using finite dipole lengths in complete earth 3D MT modelling
Wolfgang Soyer, Federico Miorelli, Randall Mackie
Petroleum Exploration Society of Australia (PESA)
... to the north. The valley is filled with 3Ωm alluvial sediments, and there are deeper conductive units (not shown). A boxcar smoothing filter was applied...
2019
Facies and Stratigraphic Sequences Analysis Based on Well Log, Mud Log, and 2D Seismic Data of GHC Field, Baong Formation, Aru Sub-Basin, North Sumatera Basin
Rizka Alifia Winarni, Yusmansyah Siregar, Dinda Novia Ramadani
Indonesian Petroleum Association
... smoothing pattern indicates the changing of deposited material from land sediments to marine sediments. This interval interpreted as a Transgressive System...
2022
Entrainment and Distribution of Different Sand Sizes Under Water Waves
Peter Nielsen
Journal of Sedimentary Research (SEPM)
...: Jour. Geophys. Res., v. 82, p. 2096-2100. TUNSDALL, E. B., AND INMAN, D. L., 1975, Vortex generation by oscillatory flow over rippled surfaces: Jour...
1983
ABSTRACT: Estimation of Net-to-Gross from P and S Impedance: Integration of Petrophysics and 3D Seismic Inversion; #90007 (2002)
Vernik, Lev, David Fisher, Steve Bahret
Search and Discovery.com
... impedances to match seismic vertical resolution by simple smoothing (Figure 4) results in the expected shrinkage of data cloud on the crossplot, similar...
Unknown
Chapter 6 - Sand & Sandstone Textures
Dana S. Ulmer-Scholle, Peter A. Scholle, Juergen Schieber, Robert J. Raine
AAPG Special Volumes
... Classification Introduction – The term “texture” encompasses a wide range of attributes of sediments/rocks and their constituent grains, including grain...
2014
Capturing Geological Realism in Stochastic Simulations of Rock Systems with Markov Statistics and Simulated Annealing
Kevin P. Parks , Laurence R. Bentley , Allan S. Crowe
Journal of Sedimentary Research (SEPM)
... that the annealed field closely matches the desired attributes encoded in the objective function. The change in the value of O with perturbations is called...
2000
Chalk Dolomitization Beneath Localized Subsiding Tertiary Depressions in a Marginal Marine Setting in the Paris Basin (France)
Medard Thiry, Franck Hanot,, Catherine Pierre
Journal of Sedimentary Research (SEPM)
...-chalk erosional surfaces, do not follow any depositional stratigraphy at all. Consequently such structures cannot be interpreted in terms of sequence...
2003
Element migration in turbidite systems: Random or systematic depositional processes?
Richard Labourdette, Martine Bez
AAPG Bulletin
... Reservoirs of the World, p. 342373.Farin, G., 1990, Curves and surfaces for computer aided geometric design, a practical guide: Boston, Academic Press...
2010
Remote surface mapping using orthophotos and geologic maps draped over digital elevation models: Application to the Sheep Mountain anticline, Wyoming
Subhotosh Banerjee and Shankar Mitra
AAPG Bulletin
... surfaces for points of intersection between the beds and the topography.The methods are applied to a well-exposed and mapped structure, the Sheep...
2004