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The AAPG/Datapages Combined Publications Database
Showing 42,260 Results. Searched 195,387 documents.
Chapter 27: New Evidences of an Active Strike-slip Fault System in Northern Venezuela, near Offshore Perla Field
Laszlo Benkovics, Albert Asensio
AAPG Special Volumes
... of the overriding Caribbean and stable South American plates, an area characterized by a unique geologic setting. A recent three-dimensional (3-D) survey (ca 700...
2015
Seismic Characterisation of Unconventional Plays in North America
Lee Bell, Mary Edrich, Alvaro Chaveste
Petroleum Exploration Society of Australia (PESA)
... important characteristic is 'fractu rability' or development The area l coverage and data information, and can highlight su bt le cha nges how easily...
2012
Deformation of organic matter and its effect on pores in mud rocks
Guochang Wang
AAPG Bulletin
... principle axis; c is the half length of the minimum principle axis; , and AR is the aspect ratio of ellipse . Assuming the surface area is constant during...
2020
Normal Moveout and Dip Moveout, C. L. Liner, #40037
Search and Discovery.com
N/A
Three-Dimensional Geologic Block Modeling Of The Kutcho Creek Massive Sulfide Deposit, British Columbia: Chapter 15
David E. Hamilton, Robert S. Didur
AAPG Special Volumes
... discounted based on the cell-hole orientation relative to the weighting ellipse. In this way, the directional bias noted by the geologist was incor...
1992
Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays
Michael J. Perz, William Keller, Victor Kriechbaum
Unconventional Resources Technology Conference (URTEC)
... implies that VVAZ inversion holds great promise for optimizing future production in the area, and moreover serves as implicit validation of the processing...
2018
RETRODEFORMATION OF CARBONIFEROUS TRACE FOSSILS FROM THE NARRAGANSETT BASIN, UNITED STATES, USING RAINDROP IMPRINTS AND BEDDING-CLEAVAGE INTERSECTION LINEATION AS STRAIN MARKERS
MEREDITH E. FICHMAN, JEAN M. CRESPI, PATRICK R. GETTY, ANDREW M. BUSH
PALAIOS
... 1966; Tan 1973). These fossil-based methods compute strain ellipses, two-dimensional representations of relative changes in length in a plane, based...
2015
Quantitative Fabric Analysis of Drammen Clay Using X-ray Diffraction Technique
A. Kazi
Journal of Sedimentary Research (SEPM)
..., are proportional to the number of particles. Since, the relative intensity of X-ray diffraction from a given basal plane varies directly with the number...
1975
Monitoring CO2 Injection at Weyburn Reservoir Using 3-D/3-C Seismic Datasets; #20290 (2015)
Le Gao, Igor Morozov
Search and Discovery.com
... of the three vintages of the dataset. Dashed green ellipse indicates the area of increased pore pressure. Figure 9. Differential attribute δP2...
2015
Identifying Re-Stimulation Effectiveness by Utilizing Microseismic Attributes
M. Preiksaitis, A. Baig, S. Bowman-Young, T. Urbancic
Unconventional Resources Technology Conference (URTEC)
...rac, could indicate an area of rock with new fracture development missed during the initial completion. The center ellipse associated with two mid-late...
2016
High Fidelity Directional Survey Calculations Can Improve Hydraulic Fracture Positioning In Unconventional Laterals
Bill Lesso, Tim Paton
Unconventional Resources Technology Conference (URTEC)
... the scope of this paper. For the sake of argument, a default fracture can be described as an ellipse that is 600 ft high and 800 ft wide. It is fully...
2020
Application of Pre-stack Seismic Anisotropy for Fracture Detection, in Oseil Field Carbonate Reservoir, Seram Island, Eastern Indonesia; #20157 (2012)
Anggoro S. Dradjat, Xueyan Hu, and Ridhawulan Primasari
Search and Discovery.com
...: • High Oil column; • High fracture intensity; • Fold with relative simple structure; • High productivity of adjacent well; • Undrained area. In Oseil-18...
2012
Abstract: Interpretation of Natural Fractures from the Traveltime Variation with Source-receiver Azimuth in the Alberta Foothills; #90172 (2014)
Draga A. Talinga, Don C. Lawton
Search and Discovery.com
... conducted for the Cabin Creek overthrust area in the Alberta Foothills. Mapping event traveltime differences on prestack-migrated, limited source...
2014
Three-Dimensional Shape Analysis of Fine-Grained Sediments
Alan E. Wright
Journal of Sedimentary Research (SEPM)
... of the photograph relative to the slide and calculating the glancing angle for that position, the angle being assumed constant over the area of one photograph...
1957
Use of the azimuthal resistivity technique for determination of regional azimuth of transmissivity
Douglas Carlson
Environmental Geosciences (DEG)
... regional-scale properties of these joint sets: azimuth of transmissivity ellipse, dominant set, and trend(s). The surface azimuthal electrical resistivity...
2010
Structural Geology Observations Derived From Full Tensor Gravity Gradiometry Over Rift Systems, #41784 (2016).
Desmond FitzGerald, Horst Holstein
Search and Discovery.com
... component analysis problem • In this example, tensor is represented by an ellipse • Tensor is easiest described by Eigenvalues and Eigenaxis • Eigenaxis...
2016
Using Multiazimuth Seismic Data for Anisotropy Estimation in an Unconventional Reservoir
Surabhi Mishra
Petroleum Exploration Society of Australia (PESA)
... are the key attributes that seismic can help predict. Seismic Velocity and Amplitude variations with azimuth can be used to predict fracture strike, relative...
2018
Well Locations and Mapping Considerations
F. Kenneth Aitken
Houston Geological Society Bulletin
...), but most data systems store locations in terms of absolute coordinates. Within a small, localized area, relative locations might be totally adequate...
1994
An Overview of Ray Trace Modeling with an Example from the Wichita Mountain Front in Southern Oklahoma
Jan Dodson, Roger A. Young, Kevin Smart
Oklahoma City Geological Society
... are shown by dashed lines. Figure 14. Variable area display of SEGY file for fault reflection on top. Amplitudes other than the one in the ellipse...
2001
Application of the surface azimuthal electrical resistivity survey method to determine patterns of regional joint orientation in glacial tills
Douglas Carlson
Environmental Geosciences (DEG)
... array rotated about a fixed center point at selected degree intervals that yields an apparent resistivity ellipse. From this ellipse, joint set...
2010
Clay Creek Salt Dome, Washington County, Texas
F. E. Heath, J. A. Waters, W. B. Ferguson
AAPG Bulletin
... geology of Clay Creek salt dome. End_Page 47------------------------------ This central area is in the form of an ellipse with a long axis...
1931
Improvements in Graphical Representation of Fabric Data, Showing the Influence of Aspect Ratios of Grains on Their Orientations
Atsushi Yamaji, Fujio Masuda
Journal of Sedimentary Research (SEPM)
... by the attitude of the grains relative to surrounding water current but also by the shape of the grains (Jeffery 1922; Middleton and Southard 1977, p. 4.7; Allen...
2005
Possible Strike-Slip Components on Monoclines at the Powder River Basin–Black Hills Uplift Margin
George W. Shurr, Ivan W. Watkins, Alvis L. Lisenbee
Wyoming Geological Association
... area, in J.D. Lowell, ed., Rocky Mountain foreland basins and uplifts: Rocky Mountain Assoc. of Geol. Symposium, p. 33-56. Christie-Blick, N...
1988
A decoupled orthotropic anisotropy modeling method and its application
Wang Lei, Liang Jiandong, Xuan Ruiqing, Li Daoshan, Zhu Jinping, Hao Xiaoguang
International Meeting for Applied Geoscience and Energy (IMAGE)
... are updated through the residual curvature analysis of the azimuthal CIP gathers, and the ellipse fitting is used to drive the updating of the orthotropic...
2023
Strain Measurements in Eastern Marginal Shear Zone of Mount Sedom Salt Diapir, Israel
Israel Zak, Raphael Freund
AAPG Bulletin
... of the salt table at a shallow, later stage. The strain in this marginal area is considerably larger than the average for the main, inner part...
1980