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The AAPG/Datapages Combined Publications Database
Showing 1,247 Results. Searched 200,619 documents.
Quantitative Mineralogical Characterization of Sandstones by Back-Scattered Electron Image Analysis
A. Dilks, S. C. Graham
Journal of Sedimentary Research (SEPM)
... in the sandstone. FIG. 8. Histograms of two-dimensional openings for quartz. Black = single field (Fig. 2f); white = summation of 12 images. End_Page 353...
1985
Global Coal Occurrence: Chapter 1
E. R. Landis, J. N. Weaver
AAPG Special Volumes
... Conference (1983) estimate shown in Table 3 is a summation by continent of individual reports from 74 countries, two of which included no reserve or resource...
1993
2.2 Basement Involved: 2.2.3 Passive Margins: Representative Multichannel Seismic Profiles Over the U.S. Atlantic Margin
J. A. Grow, D. R. Hutchinson, K. D. Klitgord, W. P. Dillon, and J. S. Schlee US Geological Survey
AAPG Special Volumes
... a Kirchoff summation ethod. Interval velocities were interpreted and smoothed by the USGS prior to migration and depth conversion of lines 25 and 32...
1983
Cathodoluminescence in Diagenetic Calcites: The Roles of Fe and Mn as Deduced from Electron Probe and Spectrophotometric Measurements
N. Gary Hemming, William J. Meyers, John C. Grams
Journal of Sedimentary Research (SEPM)
... to be the best based on the summation of elements and on the absence of machine problems. This raises the possibility that other activators...
1989
Enso and Sunspot Cycles in Varved Eocene Oil Shales from Image Analysis
Maurizio Ripepe , Lillian T. Roberts , Alfred G. Fischer
Journal of Sedimentary Research (SEPM)
..., they will dominate in the summation (stack) of the whole set, broadened or made multimodal by the errors. The spectra thus obtained (from 53 to 67 from each...
1991
Modification of Clast Shape in High-Arctic Glacial Environments
Matthew R. Bennett , Michael J. Hambrey , and David Huddart
Journal of Sedimentary Research (SEPM)
... sediments (Bennett and Glasser 1996). Clast shape, the summation of particle form, roundness, and surface texture (cf. Barrett 1980), has attracted...
1997
Methods Used in Computing Secondary Equities, Wilmington Field, Los Angeles County, California
Dennis R. Allen
AAPG Bulletin
... other than clay in the completion intervals. For ease of summation and comparison between committee members, all sand counting was done by 10-foot...
1964
Electronic Storage, Retrieval, and Processing of Well Data
E. L. Dillon
AAPG Bulletin
...) ROCKS IN KANSAS CI = 100 FT Fig. 6. End_Page 1835------------------------------ SUMMARY In summation, our knowledge of the machine handling...
1964
Patterns of Grain-Size Distribution in Some Point Bars of the Usri River, India
Barendra Purkait
Journal of Sedimentary Research (SEPM)
.... The parameter µ is a lower limit of the grain-size that is adjusted so that the summation equals the left side of the equation. Figure 3. A) Kharagdiha point bar...
2002
Classification of Reservoir Rocks by Surface Texture
Robert B. Robinson
AAPG Bulletin
.... A summation of the examinations and analyses of the rock samples used for this study is outlined in Table II. This outline was not designed to be a complete...
1966
Relation of Buried Tishomingo Uplift to Ardmore Basin and Ouachita Mountains, Southeastern Oklahoma
Bruce H. Harlton
AAPG Bulletin
... example of interplay between the Arbuckle and Ouachita fault systems. SUMMARY This article is a factual summation of field, seismic, and subsurface work...
1966
Lower Cretaceous Stratigraphic Discontinuity in Northern California and Oregon
Gary L. Peterson
AAPG Bulletin
... of the formation which are highly deformed and even overturned. This structural Fig. 2. Diagrammatic summation of stratigraphic relations discussed in text...
1967
Basin Subsidence and Hypersubsidence
Maurice Kamen-Kaye
AAPG Bulletin
... of epeirogeny proceeds through a subsidiary cycle of algebraic summation or net subsidence of basement. Using subsidence of basement as the key parameter...
1967
Regional Analysis of Sedimentology of Medina Formation (Silurian), Ontario and New York
I. P. Martini
AAPG Bulletin
... of the samples yielded preferred grain orientations useful for paleocurrent determinations. The vector summation Fig. 6. Values of Trask's sorting coefficients...
1971
Analysis of Gravity Anomaly Over Coral-Reef Oil Field: Wilfred Pool, Sullivan County, Indiana
Stephen W. Dana
AAPG Bulletin
... layer, and finally the summation of the total anomaly at the surface. The structure section in Figure 4 shows that four horizontal zones contribute...
1980
Geologic Field Number and Size Assessments of Oil and Gas Plays
R. A. Baker, H. M. Gehman, W. R. James, D. A. White
AAPG Bulletin
...). Lack of time or data, however, commonly dictates use of the shortcut play approach, which essentially is a form of prospect summation...
1984
Improved Statistical Method for Assessment of Undiscovered Petroleum Resources
David J. Forman, Alan L. Hinde
AAPG Bulletin
... sampling of field sizes about the position of the fitted line, and summation of resources End_Page 112------------------------------ for each iteration...
1985
Oriented Core: Its Use, Error, and Uncertainty
R. A. Nelson , L. C. Lenox , B. J. Ward, Jr.
AAPG Bulletin
... response, higher order fits would be more a propriate. Summation of Error A rule of thumb for minimum potential error is ± 11° (Table 5). This value...
1987
Computer-Aided Well Log Correlation (1)
J. H. FANG , H. C. CHEN , A. W. SHULTZ , and W. MAHMOUD
AAPG Bulletin
.... To obtain a set of weights, we selected a discriminant function of the form: g(x) = Summation w[k]x[k] (Equation 4; SEE PAGE IMAGE) where x[k] is Delta f[k...
1992
Deriving geothermal parameters from bottom-hole temperatures in Wyoming
Richard W. Davis
AAPG Bulletin
... with an average error of less than 0.01C.Development of Basic EquationsEquation 1 is a straightforward summation of the effects of superposing...
2012
Comparison of petroleum resource assessments of China by the U.S. Geological Survey and the China National Petroleum Assessment Team
Chenglin Liu, Changbo Che, Jie Zhu, Hulin Yang, Wenping Liu, Wei Zhao
AAPG Bulletin
... is the summation of cumulative petroleum production, remaining reserves, reserve growth, and undiscovered resources (Klett et al., 2000; Schmoker...
2012
Re-evaluation of the porosity measurements under different confining pressures: A better appraisal of reservoir porosity
Lin Pan, Stuart J. Jones, Xiao Wang, Wen Guan, and Longlong Li
AAPG Bulletin
..., doi:10.1046/j.1365-2478.2001.00271.x. Hensel, W. M. Jr., 1982, An improved summation-of-fluids porosity technique: Society of Petroleum Engineers...
2019
Three common statistical missteps we make in reservoir characterization
Frank Male and Jerry L. Jensen
AAPG Bulletin
... compared to the total variability of Y values in the data set. where the summation is for i = 1 to N. When R2 = 1, all the data agree with the relationship...
2022
The Integration of Key Petrophysical and Geomechanical Play Drivers into Geologic Attribute Mapping: Getting Ahead of the Stampede; #40948 (2012)
Larry Brooks and Randy Montalvo
Search and Discovery.com
... TOC (%) (> 2%) Summation of OIP (MMBO/SEC) Next Cross-Sections Cross-Sections Next Crosby Lubbock Stk 2’ Stk 1’ Dip 1 Revisiting...
2012
The Next 100 Years of Global Energy: Part V Density, Key to Fake and True News about Energy and Environment; #70272 (2017)
Jesse H. Ausubel
Search and Discovery.com
.... Summation My task has been to speak about the fallout from energy systems. When I began my career, this grim task focused on smog, absence of seatbelts...
2017