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The AAPG/Datapages Combined Publications Database
Showing 17,708 Results. Searched 200,630 documents.
Platinum and Palladium in Mafic-Ultramafic Igneous Rocks, Northwestern Alaska
T.C. Mowatt, J.C. Mowatt
Circum Pacific Council Publications
... of sulphides in the Alaska samples (2 to 5 percent), the high Pt and Pd values reported essentially represent concentrations in silicate rocks containing minor...
1996
Sediments of the Mississippi, Alabama, and Florida (MAFLA) Continental Shelf
Larry J. Doyle, Thomas N. Sparks
Journal of Sedimentary Research (SEPM)
... sieved at one phi intervals and the <63 micrometer fraction was broken down into percent silt and percent clay. Carbonate content was determined...
1980
Silica Diagenesis in Accreted Eocene Siliceous Rocks (Horizon Ac) on Barbados
D. K. Larue , C. W. Gortner , R. Torrini, Jr.
Journal of Sedimentary Research (SEPM)
... converted to atomic percent using a standard technique with correction factors for atomic number, absorption, and fluorescence. A total of seventeen...
1987
Bromine in Oil-Field Waters and Its Use in Determining Possibilities of Origin of These Waters
Gordon Rittenhouse
AAPG Bulletin
... dissolved solids ~ 350 gm/l) and NaCl begins to precipitate, the bromine content is about 500 pm (0.05 percent) in the concentrated solution. When...
1967
Petrology and Petrography of the Intrusive Igneous Rocks of the Levan Area, Juab County, Utah
Edward C. John
Utah Geological Association
.... Table I. Mineral Composition by Percent of the Igneous Rocks Six samples of rock were analyzed for potassium, sodium, magnesium, calcium, and iron...
1972
ECOFACIES TRANSECT OF THE LAKE VALLEY SHELF, SAN ANDRES MOUNTAINS, NEW MEXICO, AND ITS RELATION TO THE EARLY MISSISSIPPIAN OROGRANDE BASIN
THOMAS DE KEYSER, W. F. MULLICAN, III, J. E. BARRICK, and C. J. GROSSNICKLAUS
Fort Worth Geological Society
... in the Sacramento Mountains. Because the ranges of many species are controlled by ecological factors, the conodont zonation of Lane et al. (1980...
1985
Precambrian Rocks and Structure of the Platte Canyon and Kasslet Quadrangles, Colorado
Warren L. Peterson, Glenn R. Scott
Rocky Mountain Association of Geologists
... commonly contains ’ Publication authorized by the Director, U. S . Geological Survey. j’ about 70 percent quartz, 20 percent biotite, and 10...
1960
The Reality of Reserve Growth
Mahendra K. Verma
GEO ExPro Magazine
... growth potential. Influencing Factors Reserve growth results from five main factors: 1) additional reservoir and geologic information leading...
2007
Facies Control of Oil Occurrence
Parke A. Dickey, Richard E. Rohn
Tulsa Geological Society
... are in such a relation to each other that oil accumulated. The factors controlling oil source, migration, and accumulation are primarily lithologic...
1955
Canadian River Field, Jackson County, Colorado
A.O. Saterdal
Rocky Mountain Association of Geologists
... MCFGPD. have had the opportunity to study the area. three factors are: New pay discoveries were made by the Cabeen Exploration Corporation Blevins A-2...
1957
Accelerate Well Correlation with Deep Learning; #42429 (2019)
Bo Zhang, Yuming Liu, Xinmao Zhou, Zhaohui Xu
Search and Discovery.com
.... We chose 463 wells out of human-correlated 1,786 wells to construct our CNN. Training, Testing, Validation and Accuracy We randomly select 65 percent...
2019
WINNEPEG AND OLDER ROCKS SASKATCHEWAN
T. PARKS, J. S. AMBLER
Williston Basin Symposium
.... 35, No. 11, p. 2291. WEEKS, L. G., (1952): "Factors of Sedimentary Basin Development that Control Oil Occurrence...
1956
Paleoenvironments and Hydrocarbon Potential of the Upper Jurassic Norphlet Formation of Southwestern and Offshore Alabama
Ernest A. Mancini , Robert M. Mink , Bennett L. Bearden
GCAGS Transactions
..., and 881 billion cubic feet of gas; however, about 99 percent of the oil production, 75 percent of the condensate production, and 80 percent...
1984
Comparison of Petrographic Characteristics of Selected Carbonate Rocks to their Petrophysical Log Response--Smackover Formation (Upper Jurassic)
Alfred A. Biehle , Carey M. Crocker
GCAGS Transactions
... percent Shallow water carbonate rocks contain a wide variety of porosity types and present a special problem to the geologist involved in subsurface work...
1987
A Method of Comparing Volume Measurements on Pebbles
R. J. Hughes, Jr.
Journal of Sedimentary Research (SEPM)
... useful facts concerning the closeness of association in the two methods. Of the pebble volumes determined by mercury, 99.837 percent are closely...
1963
Ankerite in the Green River Formation's Mahogany Zone
John Ward Smith, William A. Robb
Journal of Sedimentary Research (SEPM)
... to more than 99 percent between d104 spacing shift and the proportions of substitution of Fe++ for g++ and Sr++ for Ca++ in these samples. ANDREWS, K...
1966
Aragonite Vein Fillings in Marine Manganese Nodules
Peter F. McFarlin
Journal of Sedimentary Research (SEPM)
..., TSUNEMASA, AND SCHLEE, JOHN (for JOIDES), 1965, Ocean drilling on the continental margin: Science, v. 150, p. 709-716. CHAVE, K. E., 1962, Factors...
1967
Hydrocarbon Systems of Southeast of West Siberia
I. S. Starobinets, T. N. Nemchenko
Petroleum Geology: A Digest of Russian Literature
... are found here. Most of the hydrocarbon reserves are concentrated in the Jurassic complex (51.3 percent of initial recoverable reserves) and Lower Cretaceous...
2004
Palynologic Investigation of Two Black Sea Cores: Biology
Alfred Traverse
AAPG Special Volumes
... picture. "Undetermined" forms, including the various categories of indeterminable and unidentified palynomorphs, represent 20 percent or less toward...
1974
Availability of Coal in Energy Crunch: GEOLOGIC NOTE
C. J. Potter
AAPG Bulletin
... to 30 percent drop in underground productivity. Openpit-mining methods have been developed since 1900; today's equipment is sa isfactory for current...
1975
EOR Potential of Indonesian Reservoirs
Peter Cockcroft, Juni Anli, Jennifer Duignan
Indonesian Petroleum Association
... to discuss operations and economics in detail, however, some of the important reservoir factors are described. Table 2 provides a general guide to some...
1988
Clay Fabric and its Relation to Structural Properties in Mid-Continent Pennsylvanian Sediments
I. Edgar Odom
Journal of Sedimentary Research (SEPM)
..., the preferred orientation of clay minerals generally increases as the percentage of organic matter increases. Sediments with more than 10 percent carbonate...
1967
Optimizing the Value of Cuttings Samples
Chuck Segrest
West Texas Geological Society
... and amounts of porosity and clays present to better assess cutoff values and recovery efficiency Define pore geometrical factors that may effect...
2004
Genesis of Recent Lime Mud in Southern British Honduras
R. K. Matthews
Journal of Sedimentary Research (SEPM)
..., Boring sponges as controlling factors in the formation and maintenance of coral reefs in R. F. Sognnaes, ed., Mechanisms of hard tissue destruction. Am...
1966
The Use of Factor Analysis in Determining Depositional Environments from Grain-Size Distributions
J. E. Klovan
Journal of Sedimentary Research (SEPM)
... sums of squares and cumulative sums of squares explained for the present case. Three "factors" account for 97.5 percent of the information. Table 3 gives...
1966