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The AAPG/Datapages Combined Publications Database
Showing 17,701 Results. Searched 200,693 documents.
Petrography of the Late Tertiary Volcanic Ash Falls in the Central Great Plains
Ada Swineford, John C. Frye, A. Byron Leonard
Journal of Sedimentary Research (SEPM)
... of the Ash Hollow member of the Ogallala formation where it is estimated that volcanic material constitutes more than three percent of the volume...
1955
Origin of Porosity in Carbonate Rocks
R. C. Murray
Journal of Sedimentary Research (SEPM)
... indirectly by structural factors. With such notable exceptions as Landes (1946), Imbt and llison (1946), Bergenback and Terriere (1953), Waldschmidt...
1960
Characteristics of Utah Coals in the University of Utah’s Coal Sample Bank
Steven N. Sommer, David M. Bodily, E. M. Whitney
Utah Geological Association
.... The thickest and most extensive Blackhawk coal beds accumulated on the delta plains. The dominant factors controlling coal distribution and thickness...
1991
Mineral Compositions Calculated from Chemical Analyses of Sedimentary Rocks
John Imbrie, Arie Poldervaart
Journal of Sedimentary Research (SEPM)
... is subdivided into arbitrary portions with lines corresponding to 50 and 10 percent compositions. 1=sample 2-2b, 2=sample 10-4a, 3=sample 13-1c, 4=sample 14-1a...
1959
Probable Burial Diagenetic and Provenance Effects on Dakota Group Clay Mineralogy, Denver Basin
Robert C. Rettke
Journal of Sedimentary Research (SEPM)
... and scale factors controlled to keep the most intense peak just within the chartpaper limits. One of each pair of oriented aggregates was X-rayed from 20...
1981
Control of Reservoir Properties of Tensleep Sandstone by Depositional and Diagenetic Facies: Lost Soldier Field, Wyoming
Duenchien C. Mou , Robert L. Brenner
Journal of Sedimentary Research (SEPM)
... p. BRENNER, R. L., 1979, Tectonic and sedimentological factors controlling diagenesis: Notes for Am. Assoc. Petroleum Geologists Clastic Diagenesis...
1982
Empirical Conversion Equations for Thin-Section and Sieve Derived Size Distribution Parameters
J. A. Harrell, K. A. Eriksson
Journal of Sedimentary Research (SEPM)
... percent of th distribution (inclusive graphic parameters), the other, the central 68 percent (graphic parameters). If the data are not amenable...
1979
Experimental Measure of Clay Cation Exchange Capacity and Modeling of Factors Critical to Reservoir Desiccation; #42446 (2019)
Sebastian Smith, Mamdouh Shebl, Greg Salter, Stacy McWhorter
Search and Discovery.com
...Experimental Measure of Clay Cation Exchange Capacity and Modeling of Factors Critical to Reservoir Desiccation; #42446 (2019) Sebastian Smith...
2019
Intergranular Pressure Solution in Four Quartzose Sandstones
David W. Houseknecht
Journal of Sedimentary Research (SEPM)
...: Jour. Sed. Petrology, v. 49, p. 1359-1361. LAND, L. S., 1983, Geologic factors affecting reservoir analysis, Anschutz Ranch East field, Utah and Wyoming...
1988
Chapter 9: The Geology and Geochemistry of the Parshall Area, Mountrail County, North Dakota
Daniel M. Jarvie, Robert J. Coskey, Michael S. Johnson, Jay E. Leonard
Rocky Mountain Association of Geologists
... maturity of the source rock bordered on immaturity (<0.65 percent Roe). Development progressed rapidly including newly-established reserves from...
2011
Diagenesis of Plio-Pleistocene Sediments of the Colorado River Delta, Southern California
Scott Jennings, Graham R. Thompson
Journal of Sedimentary Research (SEPM)
... of illite layers increases, three successive ordering schemes are commonly observed. At less than 65 percent illite layers, random ordering of expand d...
1986
Clay Minerals in the Gypsum Spring and Lower Sundance Formations, Eastern Big Horn Mountains1
Robert B. Furlong
Earth Science Bulletin (WGA)
... was the dominant clay mineral and constituted over 50 percent of the clay component. Montmorillonite and mixed-layer clay (generally mixed-layer...
1968
Faunal Isolation Near Primary Strandlines: ABSTRACT
Donald J. Colquhoun
AAPG Bulletin
.... A few feet above the unconformity, (2) and (3) comprise less than 5 percent of the assemblage, but a few forms are in place. Littoral and sublittoral...
1968
Using Well Logs for Coal Location and Evaluations: ABSTRACT
R. P. Alger
AAPG Bulletin
... distinctive, logging data are of considerable use in evaluating the coal bed itself. For example, methods have been developed to derive percent ash, percent...
1974
Petroleum Potential of San Joaquin Basin, California: Region 2
David C. Callaway
AAPG Special Volumes
... of 7.8 billion bbl of oil and 11.18 trillion cu ft of gas. I estimate that these proved reserves represent only 70 percent of the potential recoverable...
1971
A Petrographic Analysis of the Home Creek Limestone (Upper Pennsylvanian), North Central Texas
Richard Allen Hagar
Abilene Geological Society
.... Criteria used in determining the facies include: grain to matrix ratio, percent cement, and presence or absence of such constituents as coated grains...
1983
Diagenetic Patterns in the Wettersteinkalk (Ladinian, Middle Trias), Northern Limestone Alps, Bavaria and Tyrol
Klaus Germann
Journal of Sedimentary Research (SEPM)
... Kalkalpen: Abh. Bayer. Akad. Wiss., Math.-naturw. Kl., N.F., v. 66, p. 1-37. SCHNEIDER, H.-J., 1964, Facies differentiation and controlling factors...
1968
The Cost of Geophysical Work
P. T. Kozlov П. Т. Козлов
Petroleum Geology: A Digest of Russian Literature
... for the geophysical industry by other organizations and concerns. The level of these expenses is highly significant; it fluctuates from 5 to 8 percent...
1958
Construction on Soft Clay Using Wick Drains and Preload - A Case History
Russell L. Owens
Utah Geological Association
... was performed to determine factors of safety as a function of tank set-back distance from the dikes. The stability analysis included: (1) estimating...
1995
Cyclicity of Oil-Gas Formation and Secondary Migration
S. P. Maksimov, N. Ya. Kunin, N. M. Sardonnikov
Petroleum Geology: A Digest of Russian Literature
... a factor. In order to determine further cause-and-effect relations between cyclicity of oil-gas formation and other geological factors, graphs were...
1974
Composition of Some Garnets Used in Provenance Studies of Tills: NOTES
Barrie C. McDonald
Journal of Sedimentary Research (SEPM)
... minerals (specific gravity > 2.85) in the fine-sand (0.125-0.250 mm) fractions constitute 0.1-2.5 percent of the original till samples. Of the heavy...
1968
A Method for Analyzing Dolomite for Stable Isotopic Composition: RESEARCH-METHOD PAPER
Patricia E. Videtich
Journal of Sedimentary Research (SEPM)
... and correction factors for mass spectrometric analysis of carbon dioxide: Geochim. et Cosmochim. Acta, v. 12, p. 133-149. GLOVER, E. D., 1961, Method...
1981
Method of Exploration for Deep Oil Pools in Romashkino Field
I. A. Larochkina, V. G. Bazarevskaya, R. G. Luk’yanova, V. A. Sukhova
Petroleum Geology: A Digest of Russian Literature
...” marker in Romashkino field is a little more than 3200, or 17 percent of the total number drilled on the Devonian*. The number of wells reaching Strata D...
1998
Career Opportunities in Petroleum Geology
J. Ben Carsey
AAPG Bulletin
.... To keep our Association in constant touch with the complex factors affecting the status of petroleum geologists, my predecessor as AAPG president...
1967
Determining Coal Gas Content Using Mudlogging Methods
William S. Donovan
Wyoming Geological Association
... small to desorb about 80 percent of their gas content in the time required to circulate them to the surface. Other factors, such as smaller drill cutting...
1999