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The AAPG/Datapages Combined Publications Database
Showing 17,474 Results. Searched 200,691 documents.
Overview of Geothermal Exploration on Western Slopes of Mt. Hood, Oregon: ABSTRACT
H. Jack Meyer, John W. Hook
AAPG Bulletin
... stratigraphic, structural, and hydrologic information, as well as to establish the geothermal gradient. The initial 564-m observation well in the Old Maid Flat...
1981
Global Atmospheric Circulation in Mesozoic and Cenozoic: ABSTRACT
Judith Totman Parrish
AAPG Bulletin
... of paleogeography alone is qualitative and necessitates some assumptions about certain parameters, e.g., the equator-to-poles temperature gradient. However...
1981
Holocene Tepees and Stromatolites from Southern Australia and Their Paleohydrologic Significance: ABSTRACT
John Warren
AAPG Bulletin
... the hydraulic gradient between the dune and the salina is steep; meteoric-influenced ground water seeps into the salina margin. Waters driven...
1981
Exploration Applications of Temperatures Recorded on Log Headings: Theory, Data Analysis, and Examples: ABSTRACT
Stanton M. Ball
AAPG Bulletin
... gradient values; (2) creation of a geothermal gradient field areally; (3) vector analysis or contouring of created data; and (4) anomaly definition...
1981
Geotemperatures of North Sea Basins: Implications to Exploration: ABSTRACT
H. Carstens, B. Jepsen
AAPG Bulletin
... to the world average of 25°C/km. An updated, regional, present-day geothermal gradient map End_Page 1359------------------------------ of the whole North...
1981
Geothermal Energy Resources in Mid-Continent: ABSTRACT
Don W. Steeples
AAPG Bulletin
... geothermal gradient and heat flow measurements, but also includes programs in gravity, aeromagnetics, and geochemistry. This program will not discover any...
1981
Diagenesis and Secondary Porosity in Vicksburg Sandstones, McAllen Ranch Field, Hidalgo County, Texas: ABSTRACT
Marcia J. Klass, David G. Kersey, Robert R. Berg
AAPG Bulletin
...% to as much as 20% in the section from 9,642 to 12,586 ft (2,939 to 3,836 m). This increase is related to the abnormally high pressure gradient...
1981
Predication of Organic Maturation Levels: Scotian Shelf: ABSTRACT
D. R. Issler
AAPG Bulletin
... gradient of 2.66°C/100 m; correlation coefficient 0.97. A geothermal gradient map constructed from the corrected data shows that areas of thicker...
1982
Petroleum Origin: Heavy Rains, River Plume, Ocean Stratification: ABSTRACT
Martine Rossignol-Strick
AAPG Bulletin
... climates, even at high latitudes, were very rainy. The tropics had a monsoon and a dry season. The small hemispheric temperature gradient weakened...
1982
Stratigraphic Distribution of Hydrocarbons with Differing API Gravities in East Texas Basin: ABSTRACT
Rob Conti
AAPG Bulletin
... from sub-Clarksville reservoirs, showing the best-delineated high API-gravity gradient, represents one main trend. The oils from Woodbine and Paluxy...
1982
Carbonate Facies Patterns and Oil Shale Genesis in Eocene Green River Formation, Fossil Basin, Wyoming: ABSTRACT
H. Paul Buchheim
AAPG Bulletin
.... The "transgression-regression" of the hypolimnion over large areas of lake bottom was possible because of a low topographic gradient on the lake bottom...
1983
Experimental Low-Altitude Aeromagnetic Reconnaissance for Petroleum in Arctic National Wildlife Refuge, Alaska, Using Horizontal Gradients--A Progress Report: ABSTRACT
Terrence J. Donovan, John D. Hendricks, Alan A. Roberts, Patricia T. Eliason
AAPG Bulletin
... of the resultant horizontal gradient vector relative to the flight path. This calculation provides data for the unmeasured area between adjacent flight lines...
1983
Palo Duro Basin, An Exploration Frontier in the Texas Panhandle: ABSTRACT
Shirley P. Dutton
AAPG Bulletin
... for hydrocarbon production in the basin. The current geothermal gradient is relatively low, 1.1°F/100 ft (20°C/km), and it apparently has not been...
1983
Abstract: A New Exploration Approach in the Search for Anomalously Pressured Hydrocarbon Accumulations in the Neuquen Basin, Argentina, by F. Fernandez-Seveso and R. C. Surdam; #90942 (1997).
Search and Discovery.com
1997
Vitrinite Reflectance of Coals from the Heath Formation, Central Montana: ABSTRACT
John A. Daniel, Gary A. Cole
AAPG Bulletin
... of heating undergone by the organic constituents. Reflectance values show a regional trend caused by burial and the geothermal gradient. Little...
1983
Estimation of Sediment Compaction Profiles Using Combination of Real-Time Drilling Response Modeling and Direct Porosity Measurements: ABSTRACT
John D. MacPherson, E. Nigh, Alun Whittaker
AAPG Bulletin
... the maximum value attained by the formation pore pressure is controlled by the overlying fracture gradient (hence, an on-line fracture gradient allows...
1984
Structural Evolution of Val Verde Basin, West Texas: ABSTRACT
David E. Sanders, Neil Petersen
AAPG Bulletin
... greater than 4.5% Ro. The most southerly wells also have reflectance depth trends which show a break in gradient within Wolfcamp sediments (9,000-10,000...
1984
Late Cenozoic History of Safford-San Simon and Bonita Creek Structural Basins, Graham County, Arizona: ABSTRACT
B. B. Houser
AAPG Bulletin
... beds interbedded with deposits of low-gradient alluvial fan covering 730 km2 (280 mi2) from its apex at the mouth of Bonita Creek, southwestward...
1984
Abstract: TAMU Gulf of Mexico/NOAA Bathymetry (TGMNB) CD-ROM, by J. Y. Liu and W. R. Bryant; #90932 (1998).
Search and Discovery.com
1998
High Fluid-Inclusion Homogenization Temperatures in Carbonates of Lower Ordovician Beekmantown Group in Northern Appalachian Basin: ABSTRACT
Stephen F. Urschel, Gerald M. Friedman
AAPG Bulletin
.... This difference may reflect a higher post-Early Ordovician paleogeothermal gradient operative in eastern New York. Drusy calcite cements in samples...
1984
Carbonate-Cement Stratigraphy of Burlington Limestone (Osagean) of Iowa: Evidence for Eh Gradients in a Regional Mississippian Paleogroundwater System: ABSTRACT
David C. Harris, William J. Meyers
AAPG Bulletin
... grainstones from the Burlington Limestone reveals compositional zoning, which suggests that a chemical gradient was effective during cementation...
1985
Thermal Maturity of Bowie Coals in Southern Portion of Piceance Basin, Colorado: ABSTRACT
R. D. Merry, V. E. Larsen
AAPG Bulletin
... with a geothermal gradient map, most of the positive Ro residuals correlated with "hot spots" that were related to known igneous intrusives. Some anomalous hot...
1985
Regional Organic Geochemistry of Offshore Louisiana: ABSTRACT
Clifford C. Walters, Mary Rose Cassa
AAPG Bulletin
... geothermal gradient. Mod l calculations of thermal maturity, used in conjunction with burial history analysis, are consistent with our empirical observations...
1985
Abstract: Significance of Extreme Overpressure for Understanding Petroleum Systems, by Philip D. Heppard and Martin O. Traugott; #90914(2000)
Search and Discovery.com
2000
Heat Flow and Thermal History of the Anadarko Basin, Oklahoma
Larry S. Carter, Shari A. Kelley, David D. Blackwell, and Nancy D. Naeser
AAPG Bulletin
... shale section to the north. The geothermal gradient in the low-conductivity shale section is elevated relative to the geothermal gradient in the high...
1998