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The AAPG/Datapages Combined Publications Database
Showing 17,710 Results. Searched 201,049 documents.
Diagenesis and Secondary Porosity in Vicksburg Sandstones, McAllen Ranch Field, Hidalgo County, Texas
Marcia J. Klass , David G. Kersey , Robert R. Berg, Thomas T. Tieh
GCAGS Transactions
... secondary porosities, as determined by petrographic study. Porosity increases from about 15 percent to as much as 20 percent in the section from 9642...
1981
Bramberge Field, Federal Republic of Germany: Case Histories
A. Roll
AAPG Special Volumes
... were pooled, resulting in the following shares: Gewerkschaft Elwerath, 30.16 percent; Deutsche Schachtbau- u. Tiefbohrges. mbH., 23.43 percent...
1972
Insoluble Residues in a Portion of the Ordovician Cynthiana Formation, North-Central Kentucky
Gene C. Carpenter, Ronald G. Schmidt
Journal of Sedimentary Research (SEPM)
... for about 99 percent of the total residue in most of the samples studied. Of this total light fraction less than 1 percent is composed of mica...
1962
Electronic Data Processing In Sedimentary Size Analyses
Joe S. Creager, Dean A. McManus, Eugene E. Collias
Journal of Sedimentary Research (SEPM)
..., and either the fraction percent or the fraction weight (in milligrams). The remainder of the columns, except card type, are duplicated from the Master card...
1962
Microfracture Propagation during Post-Hydraulic Fracturing Shut-in and Enhanced Gas Production from Shale; #41633(2015)
A. Hayatdavoudi, A. Tavanaei, K.G. Sawant, F. Savage, S. Salehi
Search and Discovery.com
...), microfractures developed in the areas of sample where moisture is absorbed. We calculate through computational processing the critical percent...
2015
Intergranular Pressure Solution in Four Quartzose Sandstones
David W. Houseknecht
Journal of Sedimentary Research (SEPM)
... (Fig. 1C). Formation of this thrust-ramp anticline has resulted in horizontal shortening of 27 percent in the Nugget (West and Lewis 1982). However...
1988
Geology of the Nuhn Uranium Ore Body, Jackson Group, South Texas Uranium District
Richard P. McCulloh, Charles Roberts
South Texas Geological Society Special Publications
... (0.03 percent U3O8) mineralization by core assay. Ore lies at depths of 0 to 50 ft. in masses 2 to 20 ft. thick. Ore grades (0.03 to 0.30 percent...
1986
Geology of the Nuhn Uranium Ore Body, Jackson Group, South Texas Uranium District
Richard P. McCulloh, Charles T. Roberts
Bulletin of South Texas Geological Society
... 250-acre (Korzekwa) tract to delineate ore grade (0.03 percent U308) mineralization by core assay. Ore lies at depths of 0 to 50 ft (0 to 15.2 m) in masses...
1983
A PRELIMINARY STUDY OF THE EAST CANTON OILFIELD CLINTON SAND RESERVOIR IN STARK, CARROLL AND TUSCARAWAS COUNTIES, OHIO
Royal J. Watts, Research geophysicist, Morgantown Petroleum Research Laboratory, Bureau of Mines, U.S. Department of the Interior, Morgantown, West VirginiaCharles E. Whieldon, Jr., Petroleum engineering technician, Morgantown Petroleum Research Laboratory, Bureau of Mines, U.S. Department of the Interior, Morgantown, West Virginia
Ohio Geological Society
.... North America occupies a unique place in the supply and demand of crude oil in the world. It now produces 29 percent of the world's crude...
1978
The Octon Discovery
F. A. Navarro, L. M. Ostrea, A. G. Lasam, J. P. M. Micu, E. C. Jacobsen
Southeast Asia Petroleum Exploration Society (SEAPEX)
... to 11 percent. Though the interval exhibits four way seismic closure only very minor gas shows were encountered during drilling and logs indicated...
1992
GEOLOGY OF THE NORTHERN PART OF CHERRY CREEK METAMORPHIC ROCKS, MADISON CO., MONTANA
WILLARD D. TOMPSON
Montana Geological Society
... this locality was found to contain 93 percent dolomite, 6 percent calcite, and 1 percent other minerals. Kyanite Schists...
1960
Deposition of the Woodbine-Eagleford Sandstones, Aggieland Field, Brazos County, Texas
Joseph R. DeDominic
GCAGS Transactions
... as lithic graywackes, with a composition of 48 percent quartz, 42 percent matrix and 10 percent rock fragments. Due to the high percentage of matrix...
1988
A Zircon-Tourmaline-Rutile Maturity Index and the Interdependence of the Composition of Heavy Mineral Assemblages with the Gross Composition and Texture of Sandstones
John F. Hubert
Journal of Sedimentary Research (SEPM)
..., recomputed to 100 percent, omitting matrix (detritus less than 0.03 mm in size), cements, and unusual minerals (heavy minerals, glauconite, etc...
1962
Geosynclines: What Contribution to the Crust?
Frederic L. Schwab
Journal of Sedimentary Research (SEPM)
... the following distribution of sediments in North America: (1) Eugeosynclines: 25 percent area; average sediment thickness 15 miles. (2) Miogeosynclines: 15...
1969
Recognition of Fluvial Environments in the Biyadh-Wasia Sandstones (Lower-Middle Cretaceous) as Revealed by Textural Analysis
Mohamed A. Moshrif
Journal of Sedimentary Research (SEPM)
... belonging to the third traction mode. The saltation population comprises between 90 to 95 percent of the total grain size distribution. The truncation...
1980
Some Characteristics of Carbonate Sedimentation in Black Sea: Sediments
E. S. Trimonis
AAPG Special Volumes
... that, prior to the spring flood of 1965, the amount of carbonate in the total suspended material was 12.6 percent near the mouth of the Bzyb' River, 3.1...
1974
Geology of a Smackover Stratigraphic Trap
William F. Bishop
AAPG Bulletin
... percent. Pellets, many of which are superficially coated, are very common, ranging from 20 to 55 percent, and lumps are found in quantities of 5-15...
1971
Description and Interpretation of Dredged Rocks, Solomon Islands
J. B. Colwell, J. G. Vedder
Circum Pacific Council Publications
... percent of the sample consists of iron- and manganese-oxidestained, thoroughly bored calcarenite, limestone 225 226 COLWELL, VEDDER F i g u r e 1...
1986
Bottom Sediments of Georges Bank
Roland L. Wigley
Journal of Sedimentary Research (SEPM)
... expressing the two major constituents of each sediment. An exception to this rule is when one grade makes up 75 percent or more of any one sample...
1961
Controls on Carbonate Mineral Accumulation in Bahamian Basins and Adjacent Atlantic Ocean Sediments
Andre W. Droxler, John W. Morse, William A. Kornicker
Journal of Sedimentary Research (SEPM)
... drop in the concentration of magnesian calcite occurs. This decrease of magnesian calcite from 25 to 15 percent could be caused by both dissolution...
1988
Influence of Texture on Porosity and Permeability of Unconsolidated Sand
D. C. Beard , P. K. Weyl
AAPG Bulletin
... from an average of 42.4 percent for extremely well-sorted sand to 27.9 percent for very poorly sorted sand. These experimental data agree within 5...
1973
Geology and Diagenetic History of Overpressured Sandstone Reservoirs, Venture Gas Field, Offshore Nova Scotia, Canada (1)
LUBOMIR F. JANSA and VICTOR HUGO NOGUERA URREA
AAPG Bulletin
... of hydrocarbons and other fluids expelled during shale diagenesis resulting in pressure build up. The preservation of up to 32 percent porosity under 500-1000...
1990
NITROGEN IN CLEAR CREEK AND CHARLSON FIELDS, NORTH DAKOTA
L. C. MARCHANT, J. R. HAMKE
Williston Basin Symposium
..., is a combination of what are commonly called the Minnelusa (top 60 percent) and Amsden (bottom 40 per cent) Formations...
1964
Completion Techniques Used in the Atoka and Bend Conglomerates, Parker County, Texas
Lyle Lehman
Dallas Geological Society
..., first determine the zones of interest. The “better” Atoka conglomerates will exhibit 8 to 10 percent porosity, whereas Bend conglomerates...
1982
Log Response in a Pyrite-Cemented Sandstone Reservoir: A Case Study from Offshore North Western Australia
R. V. Halyburton, A. L. Locke
Southeast Asia Petroleum Exploration Society (SEAPEX)
... The Skua 2 well in the Browse Basin, offshore North-western Australia tested oil from a Cretaceous sand that contained up to 50 percent pyrite...
1988