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The AAPG/Datapages Combined Publications Database
Showing 17,708 Results. Searched 200,630 documents.
Recent Geologic Studies in the San Francisco Bay Area; Frontmatter
Eugenia M. Sanginés, David W. Andersen, Anna V. Buising
Pacific Section SEPM
... to such soils. Serpentine accounts for a disproportionate amount of California's native flora: while less than one percent of the surface area...
1995
ABSTRACT: Petrographic Variability in the Wyodak-Anderson Coal Bed (Paleocene), Powder River Basin, Wyoming
P.D. Warwick and R.W. Stanton
The Society for Organic Petrology (TSOP)
... processes controlled by chemical and biological factors. Our previous investigations interpreted the Wyodak-Anderson coal bed as consisting of discontinuous...
1986
The Apache Egypt Story: 18 Years of Success and Growth in Egypt’s Western Desert, 1994-2012
Martin J. Oldani¹, Thomas M. Maher¹, Joe Versfelt¹, Rodney J. Eichler², and David Monk²
Houston Geological Society Bulletin
... 161,000 net barrels of oil equivalent (BOE), just over 20% of Apache’s total production. Apache entered Egypt in 1994 by acquiring a 25 percent...
2013
The Impact of Spacing and Time on Gas/Oil Ratio in the Permian Basin: A Multi-Target Machine Learning Approach
K. Sathaye, T. Cross, K. Darnell, J. Reed, J. Ramey, D. Niederhut
Unconventional Resources Technology Conference (URTEC)
... production profiles. This method isolates the impacts of geological factors from stimulation intensity, and in turn, interwell spacing. In order...
2020
Strontium in Oolitic Limestones
Charles F. Kahle
Journal of Sedimentary Research (SEPM)
... diagenesis before major cementation, when aragonite allochems change to calcite. Factors of secondary importance in the loss of s rontium may include...
1965
Relationship Between Chlorite Coatings on Quartz Grains and Porosity, Spiro Sand, Oklahoma: NOTES
Edward D. Pittman, David N. Lumsden
Journal of Sedimentary Research (SEPM)
... grains apparently lack outgrowths Based on a point count of 300 grains, 61 percent of the detrital quartz have secondary attachments FIG. 1. [Grey Scale...
1968
Precise Sediment Density Determination by Gamma-ray Attenuation Alone: NOTES
Robert B. Whitmarsh
Journal of Sedimentary Research (SEPM)
... () in most sediment forming minerals is constant within ±1 percent. Hence a measure of the attenuation by Compton scattering of a collimated beam...
1971
Determination of Relative Provenance Contributions in Samples of Quartz Sand Using Q-mode Factor Analysis of Fourier Grain Shape Data
Carolyn Brauer Hudson, Robert Ehrlich
Journal of Sedimentary Research (SEPM)
... proportions can be estimated with a precision of ± 3 percent. BENZECRI, J.P., 1973, L'Analyse des Donnees 2 L'Analyse des Correspancese Dunod: Paris...
1980
An Improved Method for Calculating the Standard Deviation and Variance of Paleocurrent Data: RESEARCH METHOD PAPER
Robert G. F. Krause , Theresa A. M. Geijer
Journal of Sedimentary Research (SEPM)
... coordinate system. Correction factors for grouping of the orientation data are published by Batschelet (1981, p. 38). If paleocurrent data are grouped into 12...
1987
Volume Factor in Paleocurrent Analysis: GEOLOGIC NOTES
Martin H. Iriondo
AAPG Bulletin
... magnitude (see for example units B and C). It can be seen that 93 percent of the information is provided by only 2 of 11 units. In the usual computation, i.e....
1973
Estimate of Annual Input of Petroleum to the Marine Environment from Natural Marine Seepage (1)
R. D., Wilson , P. H. Monaghan , A. Osanik , L. C. Price , M. A. Rogers
GCAGS Transactions
... of this estimate, areas of high seepage potential contribute about 45 percent of the worldwide seepage. In the Pacific Ocean, high seep potential areas...
1973
Terrigenous Sedimentation in the Oceans
Alexander P. Lisitzin
Special Publications of SEPM
.... Antarctic silica accumulation belt and the zone of biocrenous carbonate sediments. surface suspensions are more than 50 percent and even more than...
1972
Small-Scale Models of Turbidity Currents and the Criterion for Auto-Suspension
G. V. Middleton
Journal of Sedimentary Research (SEPM)
... the factors which control the value of fi, the friction factor attributable to the upper interface. Some authors (Michon, Goddet and Bonnefille, 1955...
1966
Heavy Minerals of the East-Central Bering Sea Continental Shelf
Harley J. Knebel, Joe S. Creager
Journal of Sedimentary Research (SEPM)
... matrix (percent sum of squares). Because these criteria would have required (for the present data) the rotation of either 1 or 8 factors (Table 2...
1974
Reservoir Properties and Model of Structure of the Vendian-Cambrian Pay Zone, Bysakhtakh Field (East Siberia)
V. G. Kuznetsov, V. V. Bakina, T. V. Bitkova
Petroleum Geology: A Digest of Russian Literature
.... The lower part of each cycle consists of alternating argillites, clayey dolomites, fine-grained dolomites, and stromatolites. Up to 5 percent detrital...
1993
Oil Fields in Mio-Pliocene Zone of Eastern Carpathians (District of Ploiesti)
D. Paraschiv , Gh. Olteanu
AAPG Special Volumes
... percent) in the Helvetian. The factors which favored the genesis of such a giant follow. 1. Uninterrupted sedimentation during the entire Pliocene...
1970
Sedimentation Across the Central California Oxygen Minimum Zone: An Alternative Coastal Upwelling Sequence
Thomas L. Vercoutere, Henry T. Mullins, Kristin Mcdougall, Joel B. Thompson
Journal of Sedimentary Research (SEPM)
..., J. B., 1974, Incipient sediment movement by shoaling internal gravity waves: Jour. Geophys. Res., v. 70, p. 2237-2242. CALVERT, S. E., 1964, Factors...
1987
Mineral and Water Resources of Utah Oil Shale
W. B. Cashion
Grand Junction Geological Society
... width or other factors. Gilsonite produced to date amounts to about one-tenth of the estimated original reserves. Ozokerite.—Ozokerite is a native...
1985
Petroleum Potential of Los Angeles Basin, California: Region 2
Peter H. Gardett
AAPG Special Volumes
... are present, it seems probable that they will prove to be related to other controlling factors. Imaginative geologic thinking and a venturesome...
1971
Facies Relationships in and Adjacent to Limestone Buildups of the Coffeyville and Hogshooter Formations (Missourian), Washington and Nowata Counties, Oklahoma
William R. Cronoble
Kansas Geological Society
... and skeletal fragments) have been subjected to high-energy factors, such as currents or waves. Micritic material has been removed, leaving pore spaces...
1962
WATER RESOURCES OF EASTERN MONTANA
MARVIN R. MILLER
Montana Geological Society
... to be one of the major limiting factors in future industrial and economic growth. Water demands have significantly increased over the last few...
1969
The Anadarko Basin: A Model for Regional Petroleum Accumulations
Gerhard W. Hill Jr.
Oklahoma City Geological Society
... percent of the gross ultimate gas recovery from the Arbuckle will come from structural traps. Likewise, the Simpson will produce 98 percent from...
1984
Mineralogy of Pleistocene Terrace Deposits, Louisiana
Monica S. Donellan , Ray E. Ferrell, Jr.
GCAGS Transactions
... AND STANDARD DEVIATION. End_Page 129------------------------ TABLE 3. Weight Percent Iron in Terrace Units End_of_Record - Last_Page 130...
1978
Macrofossil Assemblages of the Moodys Branch Formation (Upper Eocene), Louisiana and Mississippi
Susan R. Elder, Thor A. Hansen
GCAGS Transactions
.... The fauna is dominated by Spisula jacksonensis which comprises about 30 percent of the population. Other consistently abundant fossils are Yoldia mater...
1981
Diagenesis and Pores Types of the Norphlet Standstone (Upper Jurassic), Hatters Pond Area, Mobile County, Alabama
Hiromi Honda, Earle F. McBride
GCAGS Transactions
... the interpretation of the importance of the time of decementation in controlling the reservoir quality. In summary, the principal factors in determining...
1981