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The AAPG/Datapages Combined Publications Database
Showing 17,474 Results. Searched 200,691 documents.
AVO Analysis for Direct Hydrocarbon Detection in Field X in the Persian Gulf (Paper 5)
Mohammad Ali Riahi, Mohammad Emami Niri
Geological Society of Malaysia (GSM)
..., the linear regression analysis is applied to real data to determine the P-wave reflection coefficient (Rp) and Gradient (G) attributes for the seismic events...
2006
Abstract: Assessment of Shuttle Radar Topographic (SRTM) Elevation Data of Lojing and Hulu Langat, Peninsular Malaysia (Poster 6 (PS6))
Ng Tham Fatt
Geological Society of Malaysia (GSM)
... and terrains with slope gradient less than 10° compared to hilly terrains and terrains with slope gradient greater than 10°. The derived SRTM slope...
2007
ABSTRACT: Gothlandian Source Rock Discovered North of the Talemzane Arch, Central Tunisia, by Susan M. Cunningham; #91032 (2010)
Search and Discovery.com
2010
ABSTRACT: Use of Dimethylbiphenyls for Assessing Paleogeothermal Gradients, by Robert Alexander and Robert I. Kagi; #91022 (1989)
Search and Discovery.com
1989
Problems of Oil and Gas: Depth Zonality of Catagenesis in West Siberia, p. 11-13
A. N. Fomin, D. A. Dochkin
Petroleum Geology: A Digest of Russian Literature
... (gradient) of this change is variable by area in the basin. Four areas with different depth zonality of catagenesis are recognized: Yamal, Nadym-Pur, Pur...
2001
Bryozoan Ecology and Sedimentary Environments in Central Appalachian Upper Ordovician: ABSTRACT
Peter W. Bretsky
AAPG Bulletin
.... Generic diversity along the central Appalachian Upper Ordovician shoreline shows a sharp gradient from low diversity in the north to high diversity...
1968
Abstract: "Prospect Lucky: Understanding Contour Anomalies and Velocity Gradients in Offshore Texas", by T. P. Bulling and A. J. Krejci; #91014 (1992).
Search and Discovery.com
1992
Paleochannels: ABSTRACT
S. A. Schumm
AAPG Bulletin
...Paleochannels: ABSTRACT S. A. Schumm 1969 741 741 53 3. (March) The width (w), depth (d), meander wavelength (l), gradient (s), shape (w/d...
1969
Abstract: Impacts of Various TOC Distributions on Hydrocarbon Generation, by Z. Yu and I. Lerche; #90987 (1993).
Search and Discovery.com
1993
Response of Streams to Structural Uplift: ABSTRACT
L. H. Lattman
AAPG Bulletin
... in lithology or in tributary streams. Decreases in gradient (such as upstream from a structure) result in increased channel width-depth ratio and increases...
1972
Depositional and Directional Features of Braided-Meandering Stream: ABSTRACT
J. W. Shelton, R. L. Noble, H. R. Burman, Jr.
AAPG Bulletin
.... (September) The Cimarron River in north-central Oklahoma shows characteristics intermediate between typical braided and meandering streams. The gradient...
1973
Vitrinite Reflectance--What, How, and Why?: ABSTRACT
Wallace G. Dow, Dolores I. O'Connor
AAPG Bulletin
...) of a sample can be determined. A sequence of Ro values in a well or exposed sedimentary section results in a maturation gradient, the slope of which...
1979
Movement of Subsurface Waters Under Sabkha, Abu Dhabi, United Arab Emirates, and Its Relation to Dolomite Genesis: ABSTRACT
Judith Ann McKenzie, Kenneth J. Hsu, Jean Schneider
AAPG Bulletin
... and induce Darcy flow under a vertical hydraulic gradient of evaporative pumping, that is, upward movement of water through the saturated zone to replace...
1979
Deduction of Past Geothermal Gradients in Neogene Siliceous Rocks in Circum-Pacific Region: ABSTRACT
Kenneth A. Pisciotto
AAPG Bulletin
... and base of the opal-CT zone as approximate isotherms, the past geothermal gradient for any area equals the difference between these isotherms divided...
1979
Deposition and Early Hydrologic Evolution of Westwater Canyon Wet Alluvial-Fan System: ABSTRACT
W. E. Galloway
AAPG Bulletin
...) The Westwater Canyon Member is one of several large, low-gradient alluvial fans that comprise the Morrison Formation in the Four Corners area. Morrison fans were...
1979
Mauch Chunk Alluvial Plain and Mud-Flat Sediments in Northern West Virginia: ABSTRACT
Mark W. Presley
AAPG Bulletin
... position reflects a gradient change from what were higher elevations on the east onto more level and tectonically stable areas of northwestern West...
1979
Shale Mineralogy of General Crude Oil and Department of Energy 1 Pleasant Bayou Geopressured-Geothermal Test Well, Brazoria County, Texas: ABSTRACT
Robert L. Freed
AAPG Bulletin
... clay in shallow samples and 70% in deeper samples. The top of the geopressured zone, occurring at a pore fluid pressure gradient of 0.465 psi/ft...
1980
Oxidation-Reduction in Oakville Sandstone of South Texas--Implications for Uranium Mineralization: ABSTRACT
Christopher D. Henry, William E. Galloway, Gary E. Smith
AAPG Bulletin
... superimposed reducing, sulfidic conditions on an otherwise normal Eh gradient or (2) where a sharp Eh gradient separates highly permeable oxidized...
1980
Abstract: Utility of Drill-Stem Tests in Determination of the Geothermal Regime of Railroad Valley, Nye County, Nevada, by D. E. French; #90959 (1995).
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1995
Abstract: The Migration Pathways of Basinal Fluids as an Exploration Tool, by R. Howell; #90960 (1995).
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1995
Coal Rank in Part of Western Kentucky Coalfield: ABSTRACT
James C. Hower, Zhicong Gong
AAPG Bulletin
.... Coals in a bore hole in a graben of the Rough Creek complex (Bordley quadrangle, Union County) display a variable rank gradient. Rank increases from...
1980
Deep-Sea Oxygen Isotope Record and Sea Level Fluctuations: ABSTRACT
Robert Douglas, Samuel Savin
AAPG Bulletin
... covered more than 50 × 106 sq km which maximized heat storage in the ocean. The planetary thermal gradient was low, with polar regions producing warm...
1981
Abnormally High-Pressured, Low-Permeability, Upper Cretaceous and Tertiary Gas Reservoirs, Northern Green River Basin, Wyoming: ABSTRACT
Ben E. Law, Charles W. Spencer
AAPG Bulletin
...: the generation of gas in low-permeability rocks. Pressure gradients in these wells exceed 0.8 psi/ft (18.1 kPa/m) and a maximum gradient of more than 0.9 psi/ft...
1981