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The AAPG/Datapages Combined Publications Database
Showing 17,050 Results. Searched 197,434 documents.
Colloidal Nature of Petroleum: ABSTRACT
C. W. Dwiggins, Jr., P. B. Lorenz, H. N. Dunning
AAPG Bulletin
... 80,000 times gravity for 2-5 days gives a gradient in concentration of some constituents in the liquid and a relatively small amount of solid sediment...
1960
Geologic Mapping of Submerged Continental Margins: ABSTRACT
Bruce C. Heezen
AAPG Bulletin
... profiles of the continental slope show a succession of topographic benches and gradient changes which have been correlated in a few areas with the outcrop...
1960
Interpretation of Dry Holes: ABSTRACT
Jack W. Knight
AAPG Bulletin
... reservoir permeability, (2) increased reservoir thickness, (3) increased structural dip, and (4) decreased hydrodyn mic gradient. In some cases...
1961
Structure Beneath Continental Shelf, Northeastern Gulf of Mexico
John W. Antoine , James L. Harding
AAPG Bulletin
... are complicated by very high velocity material near the surface, with a positive velocity gradient commencing approximately 85 meters (279 feet) from...
1965
The Gilbert-Type Delta: ABSTRACT
Daniel J. Jones
AAPG Bulletin
... by mountain streams of steep gradient into deep water immediately offshore. 2. Occasional turbidity flows (mud-rock flows); hyperpycnal. 3. Coarse...
1965
Groundwater Flow and Geothermal Regime of Florida Plateau: ABSTRACT
F. Kohout
AAPG Bulletin
... wells indicate that the geothermal profile underlying the Floridan Plateau is modified anomalously to a negative geothermal gradient (i.e., the ground...
1967
Accumulation of Reservoir Fluids: ABSTRACT
William C. Gussow
AAPG Bulletin
... are modified under superimposed hydrodynamic conditions in accordance with the hydrodynamic gradient, causing tilted interfaces, spilling, and remigration. When...
1968
Middle and Early Late Cambrian Algal Biostromes and Regional Dolomitization in Great Basin: ABSTRACT
John Kepper
AAPG Bulletin
... on a very wide, shallow, low-gradient shelf on which extensive calcareous algal mats formed. Penesaline conditions, resulting in part from the combination...
1969
Magnesium-Rich Water from Evaporite-Bearing Shales, and Diagenesis of Subjacent Carbonates--Keuper-Muschelkalk, Iberian Range, Spain: ABSTRACT
Tom Freeman
AAPG Bulletin
... basin. The composition of Keuper water, aided prior to unloading by geothermal gradient, is thought to be responsible for Muschelkalk dolomitization...
1971
Cretaceous Lithoclasts in Modern Beach and River Sands, Veracruz, Mexico: ABSTRACT
Robert P. Self
AAPG Bulletin
... percentage is directly proportional to grain size. The lithoclasts probably were delivered to the coast at a time when the gradient was steeper...
1971
Potentially Petroliferous Trends in Florida as Defined by Geothermal Gradients: ABSTRACT
David A. Reel, George M. Griffin
AAPG Bulletin
.... (September) A newly constructed geothermal gradient map of Florida suggests both the presence of areas with high petroleum potential and the thickness...
1971
Geologic Implications of River-Pattern Variability: ABSTRACT
S. A. Schumm
AAPG Bulletin
... to maintain a relatively constant gradient. Experimental results and Mississippi River data support this conclusion, which may be of practical value...
1972
Deduction of Flow Patterns in Variable-Density Aquifers from Pressure and Water-Level Observations: ABSTRACT
D. C. Bond
AAPG Bulletin
... differences; in most other regions they can change appreciably the heads, or the potentials, that are available to cause flow. A gradient in potential...
1973
Geologic Distribution of Oil: ABSTRACT
S. W. Carmalt, K. L. Russell
AAPG Bulletin
... for deposition of source sequences. Adequate thermal maturation varies with the geothermal gradient and is, therefore, extremely dependent...
1979
Thermal Evolution of Sedimentary Basins Along Atlantic Continental Margins of United States: ABSTRACT
Charles Angevine, D. I. Turcotte
AAPG Bulletin
... agreement is obtained with subsidence record obtained from the COST B2 well in the Baltimore Canyon. The present measured thermal gradient is also in good...
1980
Temperature and Pressure Relations in Thick Sequences of Accumulating Sediments: ABSTRACT
John M. Sharp, Jr.
AAPG Bulletin
...) the thermal and hydraulic conductivities of the sediment, (2) the rate of sediment accumulation, and (3) the geothermal gradient. End_of_Article...
1980
Disequilibrium and Possible Origin of Uranium Deposit in Cretaceous Lower Dakota Scour Channel, Church Rock District, McKinley County, New Mexico: ABSTRACT
Douglas W. Combs
AAPG Bulletin
... the underlying Brushy Basin mudstone. A Laramide uplift created a hydrologic gradient which resulted in the encroachment of oxidizing ground waters upon...
1981
Geophysical Studies of Evaporites in Northern Delaware Basin, Texas: ABSTRACT
L. J. Barrows
AAPG Bulletin
...-gradient aeromagnetics, and high-resolution seismic work. The seismic reflection and gravity data indicate complex structure in the northern part...
1981
Thermal and Subsidence History of Williston Basin: ABSTRACT
Steven R. Mrkvicka
AAPG Bulletin
... time, and concurrently experience increased heating induced by the geothermal gradient. Application of the "liquid-window" concept to hydrocarbon...
1981
Clay Mineral Evidence for Movement of High Temperature Subsurface Fluids: ABSTRACT
R. E. Ferrell
AAPG Bulletin
... in the geothermal gradient and the temperature of formations. The temperature changes may be measured directly or inferred from the presence of temperature...
1981
Calculation of Thermal Conductivity from Lithology and Laboratory Measurements on Oil Well Cores: ABSTRACT
Victor Vacquier
AAPG Bulletin
..., the conductivities. Heat flow can be then calculated by multiplying the mean conductivity by the temperature gradient obtained from corrected bottom-hole...
1981
Clay Mineral Evidence for Movement of High Temperature Subsurface Fluids: ABSTRACT
R. E. Ferrell
AAPG Bulletin
... in the geothermal gradient and the formation temperatures. The temperature changes may be measured directly or inferred from the presence of temperature...
1982
Evidence of Cross-Formational Flow Above Healdton Oil Field, Carter County, Oklahoma: ABSTRACT
Cheryl Ann Muzyl
AAPG Bulletin
.... The change in the sense of water movement from lateral to vertical at the apex of the anticline is accompanied by temperature- and salinity-gradient changes...
1982
Geology of Northern Thailand: ABSTRACT
A. H. G. Mitchell, Werapon Jantaranipa
AAPG Bulletin
..., with a very high geothermal gradient, near the western margin of a continent. Similarities in the tectonic setting of the two regions include...
1982
Role of Clay Composition on Extent of Smectite-Illite Diagenesis: ABSTRACT
W. R. Foster, H. C. Custard
AAPG Bulletin
... of the transition zone over which this reaction occurs is proportional to the product of reaction enthalpy and geothermal gradient. Arrhenius plots...
1982