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The AAPG/Datapages Combined Publications Database
Showing 422 Results. Searched 195,387 documents.
A RESUME OF THE ELK POINT FORMATION IN VIEW OF RECENT DRILLING IN THE WILLISTON BASIN
J. REX McGEHEE
Montana Geological Society
... silty limestones, in addition to one to three shale members. Maximum thickness of the entire formation is 1,557 (plus or minus) feet...
1952
Discussion
S. W. Muller
Pacific Section of AAPG
... and forth, plus or minus? George V. Cohee I believe that we will all have to use every means available to get the best dating on any unit. Marvin Lanphere...
1970
Canadian Rockies Orientation in Time and Space: Abstract
Ernest W. Shaw
Tulsa Geological Society
...-Cretaceous transition on the basis of recorded geological relationships or 100 plus or minus 10 m. y. on the basis of extensive radioactive dating. The Rockies...
1965
Abstract: Relationships between Cement, Rock Fabric, Porosity and Permeability, Lower Vicksburg Formation, McAllen Ranch Field, South Texas, by J. D. Grigsby and R. P. Langford; #91004 (1991)
Search and Discovery.com
1991
AAPG Studies in Geology No. 50, (Section Title: The Ferron Coalbed Methane Play) Chapter 19: Coalbed Gas in the Ferron Sandstone Member of the Mancos Shale: A Major Upper Cretaceous Play in Central Utah
Scott L. Montgomery, David E. Tabet, and Charles E. Barker
AAPG Special Volumes
... reserves for individual wells in this unit average about 1.9 bcf, with one standard deviation about that mean of plus or minus 1.5 bcf. Anderson, P. B...
2004
Abstract: Magnetostratigraphy of Neogene Sediments in the San Jacinto Fault Zone, Southern California, and Paleomagnetic Evidence for Block Rotation, by D. F. Scheuing and L. Seeber; #91004 (1991)
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1991
Abstract: Lopatin Analysis of Maturation and Petroleum Generation in the Illinois Basin, by A. P. Byrnes and R. M. Cluff; #91013 (1992).
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1992
Abstract: Porosity, Permeability, and Capillary Pressure Trends in the St. Peter and Mt. Simon Sandstones, Illinois Basin, by A. P. Byrnes and M. D. Wilson; #91013 (1992).
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1992
Abstract: Magnetic Stratigraphy of the Upper Middle Eocene-Upper Oligocene Sespe Formation, Ventura County, California, by J. L. Howard, D. R. Prothero, and T. H. H. Dozier; #90945 (1997).
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1997
Abstract: Magnetic Stratigraphy and Biostratigraphy of the Middle Eocene Friars Formation and Poway Group, Southwestern San Diego County, California, by D. R. Prothero, D. J. Lundquist, and S. L. Walsh; #90945 (1997).
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1997
Abstract: Magnetic Stratigraphy of the Middle Eocene Coldwater Sandstone, Central Ventura County, California: Implications for Sequence Stratigraphy, by E. Vance, Jr., and D. R. Prothero; #90945 (1997).
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1997
Abstract: Waulsortian Mounds as Reservoir Rocks, by W. M. Ahr; #90936 (1998).
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1998
Abstract: Buried Cretaceous Delta of the Barreirinhas Basin, Offshore Brazil: Potential Source of Structural and Stratigraphic Traps in Deepwater Sandstone?, by Reuber, Kyle; Mann, Paul; Saunders, Mike; #90163 (2013)
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2013
Geomechanical Analysis of the Three Forks Formation and Implications for Oil Recovery
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N/A
Phase Unwrapping: A Review of Methods and a Novel Technique
Sam T. Kaplan
Search and Discovery.com
... by the w plane branch-cut. This involves a numerical integration, and Tribolet (1977) ensures its validity through comparison, plus or minus integer...
Unknown
Phase Unwrapping: A Review of Methods and a Novel Technique
Sam T. Kaplan
Search and Discovery.com
... by the w plane branch-cut. This involves a numerical integration, and Tribolet (1977) ensures its validity through comparison, plus or minus integer...
Unknown
Quantification in Clay Mineral Studies of Sediments and Sedimentary Rocks
J. W. Pierce, F. R. Siegel
Journal of Sedimentary Research (SEPM)
... with the reflection at 10A for comparison of hydromica to chlorite plus kaolinite. (4) This is essentially the same procedure as that of the first method...
1969
SV/SH or S1/S2 separation for 3D6C data with direct S-wave vibrator exciting once
Yuan Yuan Yue, Zhiwen Deng, Wenbo Zhang, Hequn Li, Jianlei Zhang, Lina Huo
International Meeting for Applied Geoscience and Energy (IMAGE)
... for HTI case. Sgn is a function used to obtain the plus or minus sign of a variable. Synthetic data analysis Two synthetic data from a four-layer model...
2023
The Economics of Geothermal Development in Indonesia
Widjajono Partowidagdo, Alex Hanief Isyna
Indonesian Petroleum Association
... with other energy sources. Figure 1 provides a framework of factors that can influence the rate of return on an investment. The sign, plus or minus...
1992
Seismological Discovery and Partial Detail of Vermilion Bay Salt Dome, Louisiana
E. E. Rosaire , O. C. Lester, Jr.
AAPG Bulletin
... can hardly be expected to locate salt dome flanks to plus or minus 250 feet. In the later details, these recorder intervals were cut down to as little...
1932
Seismic Post-stack and Pre-stack Impedance Inversions in Depth, Examples From the Woodford Formation, Anadarko Basin
Marianne Rauch-Davies, Alex Lamb, Kara Rohan
Unconventional Resources Technology Conference (URTEC)
... the time wavelet, and we expected this to be the biggest issue. We overcame this by restricting the post-stack inversion to the Woodford interval, plus...
2017
Exploiting non-uniqueness: Improving inversion results by post-processing
James Brewster
International Meeting for Applied Geoscience and Energy (IMAGE)
... contrast values fall within the range of plus or minus 1 gm/cc. Reference to Wei and Sun (2021), suggests that this is at least within a factor of two...
2023
Modern Stratigraphic Logging Methods and Their Application to Subsurface Exploration
C.K. Fisher
Rocky Mountain Association of Geologists
... of primary porosity (Table 3). Table 2 Value of Plus and Minus Factors Size Coarse, %mm. 8 greater Medium, %mm. ? mm. h Fine, 1/8mm. M mm. Rounded...
1962
Winkleman Dome Oil Field
Robert W. Lane
Wyoming Geological Association
... as well as a structure map of the Tensleep. The Phosphoria thickness is 300 feet plus or minus 10 feet throughout the field area. Thus only the contour...
1957
Abstract: Numerical Modeling for Different Types of Fractures; #90187 (2014)
Xiaoqin Cui, Laurence R. Lines, and Edward S. Krebes
Search and Discovery.com
...d respectively. denotes normal ( ) and shear ( ) tractions of the motion. The signs of the plus and minus represent upper (left) and lower (right) mediu...
2014