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The AAPG/Datapages Combined Publications Database
Showing 29,459 Results. Searched 200,636 documents.
Trace fossils in a Lower Palaeozoic submarine canyon sequencethe Siegas Formation of northwestern New Brunswick, Canada
R. K. Pickerill
Atlantic Geology
..., generally in regular pinnate or variable patterns, may be observed. Branching angles vary, even within individual specimens, from between 2 0-50°. Associated...
1981
Carbonate Breccias and Quartzo-Feldspathic Sandstones of the Marginal Slope, Devonian Reef Complex, Canning Basin, Western Australia
Annette D. George, Phillip E. Playford, Christopher McA. Powell
Petroleum Exploration Society of Australia (PESA)
... of the flows aided mobility, and enabled the flows to attain sufficient velocity for the debris to be supported by dispersive pressure. Composition...
1994
Eolian Origin of Flagstone Beds, Lyons Sandstone (Permian), Type Area, Boulder County, Colorado
T.R. Walker, J.C. Harms
Rocky Mountain Association of Geologists
... likely to be preserved, accrete mainly by sand likely to be preserved, accrete mainly by sand driven' laterally along the slope by variable winds, driven...
1972
Geometry of the Hanging Wall Above a System of Listric Normal Faults--A Numerical Solution
Renato M. Darros de Matos
AAPG Bulletin
..., with variable fault geometry and near surface dip. Basin width is quite sensitive to sense of shear within the hanging wall and depth of detachment...
1993
An integrated evaluation of hydrocarbon charge and retention at the Griffin, Chinook, and Scindian oil and gas fields, Barrow Subbasin, North West Shelf, Australia
Mark Brincat, Anthony Gartrell, Mark Lisk, Wayne Bailey, Luke Johnson, Dave Dewhurst
AAPG Bulletin
...) their respective mapped spillpoints (Figure 3). Uncertainty in the velocity field in the Griffin area prevents a more accurate determination (T. Slate...
2006
Seismic Stratigraphy and Structure of Sedimentary Basins in the Solomon Islands Region
T. R. Bruns, A. K. Cooper, D. M. Mann, J. G. Vedder
Circum Pacific Council Publications
... unit are unconformities and are character ized by a marked change in seismic velocity. The character and geometry of sediment wedges within...
1986
Synthetic Well Log Generation Using Machine Learning Techniques
Oyewande Akinnikawe, Stacey Lyne, Jon Roberts
Unconventional Resources Technology Conference (URTEC)
..., clay volume, kerogen volume, compressional slowness, shear slowness, Young’s modulus (static and dynamic) and Poison’s ratio. Variable clustering...
2018
Alluvial Fans and their Natural Distinction from Rivers Based on Morphology, Hydraulic Processes, Sedimentary Processes, and Facies Assemblages
Terence C. Blair , John G. McPherson
Journal of Sedimentary Research (SEPM)
... causes a swift decrease in velocity, competency, and capacity as they attenuate, inducing rapid deposition that leads to the angular, poorly sorted...
1994
Predicting Hydraulic Fracture Injection Pressure Using Hybrid Model for Completions Optimization
Ruxin Zhang, Hardikkumar Zalavadia, Sathish Sankaran
Unconventional Resources Technology Conference (URTEC)
...𝑋 Input Data 𝑞, ?? 𝑋̇ Target Variable 𝑃 Ξ Coefficient - Θ(𝑋) Candidate Function 𝑓(𝑞, 𝑡) Eq. 6 is transformed into Eq. 12 as shown belo...
2024
Overburden Rock, Temperature, and Heat Flow: Chapter 9: Part II. Essential Elements
David Deming
AAPG Special Volumes
...: AAPG Bulletin, v. 73, p. 1455-1471. Deming, D., J. S. Hanor, and J. A. Nunn, 1990a, Method of variable bias and its application to estimating...
1994
Sedimentological, Petrophysical, and Seismic Characterization of an Upper Jurassic Shoreface-Dominated Shelf Margin (the Boulonnais, Northern France)
H. Braaksma, J.N. Proust, J.A.M. Kenter, G.G. Drijkoningen, N. Filippidou
Journal of Sedimentary Research (SEPM)
...-resolution (25 cm vertical spacing) and continuous quantitative data on grain size, carbonate content, porosity, density, and P-wave velocity from outcrop...
2006
GEOLOGY OF THE FOSTERTON FIELD
N.P. Elphinstone
Williston Basin Symposium
... in by longshore currents and stream channels from a landmass to the west and north. These sediments were then washed to where their velocity...
1958
Shallow High-Resolution Seismic Reflection to Delineate Upper 400 m around a Collapse Feature in Central Kansas
Richard D. Miller, Ana Villella, Jianghai Xia
Environmental Geosciences (DEG)
... Anhydrite across this 500-m profile. These changes are attributed to both the extremely variable compaction within the upper 400 m and the diversity...
1997
Overview
Henry W. Posamentier
Special Publications of SEPM
...) the countless variations of stratigraphic relationships embodied in the rock record are generated by parameters that are infinitely variable in time...
1999
The Dawning of Geophysical Exploration
Tom K. Fulton, Haynie Stringer
Petroleum History Institute
.... Both velocity and density generally increase with depth. The other seismic data is found in reflections. They travel primarily vertical and are used...
2009
Integrated Analysis of Acoustic Images and Shear Wave Anisotropy Used for Geomechanical Modelling in a Tight Sand Oil Reservoir
Saikat Das, Viet Hoang Nguyen, Sadegh Asadi, Naveen Nathesan, Ahsan Jamil, Hilarion Milan, Ashvin Avalani Chandrakant, Fairuz Azwardy Salleh
Unconventional Resources Technology Conference (URTEC)
... dipole acoustic data was processed to obtain compressional and shear velocity and azimuthal shear anisotropy. Acoustic image data was processed...
2021
Predicting the time-evolution of CO2 saturation through a combination of rock physics and full-waveform inversion
Qi Hu, Dario Grana, Kristopher A. Innanen
International Meeting for Applied Geoscience and Energy (IMAGE)
...-lapse seismic data, and correlated velocity changes with CO2 saturation changes using the Gassmann’s equations; also at Sleipner, Dupuy et al. (2021...
2022
Sequence Stratigraphy and Sedimentology of Beaufortian Strata (Jurassic Lower Cretaceous) in the National Petroleum Reserve Alaska (NPRA)
David W. Houseknecht
Special Publications of SEPM
... distribution of wells introduce a degree of uncertainty in the depth conversions, particularly in the south and west, far from wells that provide velocity...
2001
Overview and Principal Results of the Second Leg of the First Joint CCOP/SOPAC-Tripartite Cruise of the R/V Kana Keoki: North Fiji Basin Survey (KK820316 LEG 03)
Loren W. Kroenke, James V. Eade, Scientific Party
Circum Pacific Council Publications
... is essentially devoid of sediment, whereas a thin, somewhat variable veneer of sediment between 0.05 to 0.15 seconds blankets most of the remaining part...
1994
Deposition and Porosity Evolution of a Lower Cretaceous Rudist Buildup Shuaiba Formation of Eastern Arabian Peninsula
S. H. Frost, D. M. Bliefnick, P. M. Harris
Special Publications of SEPM
.... Porosity is variable 10-20%. 3004 to 3006 m (9856 to 9864 ft) Scattered coral fragments. Rudists in the lower half of the biohernn framework...
1983
Gulf Coast Logging
Gunnar J. Teilmann, Robert E. Murphy
New Orleans Geological Society
... device. It enables an approximation to be made of total porosity, it is an indicator of gas in the formation or mud, and it can provide velocity...
1991
Estimation of Dispersion in Orientations of Natural Fractures from Seismic Data: Application to Discrete Fracture Network Modeling
Reinaldo J Michelena, Kevin S. Godbey, Huabing Wang, James R. Gilman, Chris K. Zahm
Unconventional Resources Technology Conference (URTEC)
.... We use the local 3D gradient of the attribute to achieve this goal. The calculation of the gradient in 3D also requires velocity information...
2013
Image-Based Modeling of Flow in Natural Partially Cemented Fractures
Adenike Tokan-Lawal, Masa Prodanovic, Peter Eichubl
Unconventional Resources Technology Conference (URTEC)
...n of saturation. The magnitude of the channel tortuosity increases when the heterogeneity of the fracture surface increases. The velocity effects on flo...
2013
Compositional Modeling of Liquid-Rich Shales Considering Adsorption, Non-Darcy Flow Effects and Pore Proximity Effects on Phase Behavior
X. Xiong, D. Devegowda, F. Civan, R. F. Sigal, A. Jamili
Unconventional Resources Technology Conference (URTEC)
... component gas to each component in a mixture of variable species. The non-Darcy flow effects and the total apparent gas permeability of the mixture...
2013
Complex Program of Deep Structure Investigations in the USSR Territory
E.A. Kozlovsky, N.A. Bogdanov
Circum Pacific Council Publications
... of the earth were obtained. Velocity sec tions to a depth of about 400 km were compiled, absorbing rock properties were studied, and generalized geological...
1986