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The AAPG/Datapages Combined Publications Database
Showing 14,355 Results. Searched 200,685 documents.
Abstract: Infrared spectrum of an individual fossil pollen grain measured as an organic maturation index
T. Aizawa, T. Ohbuchi, Y. Ujiié
The Society for Organic Petrology (TSOP)
... which were drilled off the west coast of Northern Japan. A sample foundation to measure infrared spectra of individual pollen grains is composed...
2008
Multiple-Point Geostatistics: Integration of Geological Concepts with Numerical Data: Abstract
Yuhong Liu
Tulsa Geological Society
.... But variogram, a two-point statistical measure, can not capture curvilinear structures and/or shapes of geological bodies such as channels. Therefore...
2003
Underbalanced Drilling — The Way Forward: Abstract
Ben Gedges, Victor Villegas
Indonesian Petroleum Association
... to be an effective measure against the damaging conditions created by conventional drilling techniques. UBD is rapidly becoming a viable alternative...
1998
Abstract: Ambiguity and Sensitivity of Rock Properties under Different Reservoir Conditions
Alvaro Chaveste
Houston Geological Society Bulletin
... be obtained from seismic data by post-stack inversion of AVO attributes. The resultant seismic data is a measure of rock properties of subsurface formations...
2004
Abstract: The Northern Sumatra Earthquake of 2004: Forty Years of Ignoring Plate Tectonics
Arthur E. Berman
Houston Geological Society Bulletin
...—earthquake—which is something we can measure very effectively and quickly? I believe that an appropriate, immediate response to the Indian Ocean...
2005
Corrigenda for "Measurement and Geological Significance of Shape and Roundness of Sedimentary Particles"
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
.... The definition of shape in the first column of page 64 should read, "Fundamentally the shape is a measure of the ratio of the surface area of a sphere...
1941
Abstract: Past Earth Climate Change in the Context of Current and Future Global Warming: Facts and Implications
André W. Droxler
Houston Geological Society Bulletin
... records and have the additional advantage of providing a direct measure of fluctuations in atmospheric greenhouse gases. Understanding the natural...
2007
ABSTRACT: Nuclear magnetic resonance T2 cut-off value of coals: a novel method by fractal analysis theory
Sijian Zheng
The Society for Organic Petrology (TSOP)
... and pore size distribution (PSD) of coals, but the nuclear magnetic resonance (NMR) method is the one that can measure both porosity an PSD in field...
2017
A New Approach to Shale Compaction and Its Geological Significance [Abstract]
Issler, D.R.
CSPG Bulletin
... stress. Under ideal conditions, the sonic log provides a sensitive measure of sediment porosity (O) change with depth. However, compositional variations...
1990
"Benchmarking the Economic Performance of Western Canadian Upstream Operations [Abstract]"
Grecu, J.N.
CSPG Bulletin
... indicators that can measure performance and can relate it to that of other comparable producers. Two such powerful performance evaluation criteria...
1991
A Quantitative Lithofacies and Biofacies Study of the Florena Shale (Permian) of Kansas
John Imbrie
Journal of Sedimentary Research (SEPM)
... category in the sample. Although such a measure is of little value by itself, systematic changes in fossil abundances of samples taken at different...
1954
"Interbedded Sand Analysis Using a Pulsed Power Deep Induction Tool: A Turbidite Example [Abstract]"
Patterson, D., Harkins, J., Volk, W.
CSPG Bulletin
... sampled log representing the average resistivity over a 12-inch interval. Since the two assemblies are offset, they do not measure the same 12-inch...
1991
Abstract: Analysis of Effect on Graded Beds of Changing Gravitational Acceleration with Time--a Prototype Paleogravimeter, by Steven Solomon Barrell; #90964 (1978).
Search and Discovery.com
1978
Abstract: Source tracing of atmospheric sulphur: Newfoundland perspective
Moire A. Wadleigh
Atlantic Geology
... mainland. The overall objective of this work was to measure the sulphur isotopic composition of the atmosphere across the island of Newfoundland in order...
1999
ABSTRACT: Low Intensity Fluorescence Spectroscopy, (LIFS), of Coal Macerals
David F. Bensley and John C. Crelling
The Society for Organic Petrology (TSOP)
... employing diode array detectors involve measuring high intensity signals of very short duration. The same detection equipment can also be used to measure...
1990
ABSTRACT: Stratigraphic Correlation of Well Logs Using Relational Tree, by J. H. Fang, F. Tsay, and P. F. Lai; #91043 (2011)
Search and Discovery.com
2011
Abstract: Induction, Resistivity and MWD Tools in Horizontal Wells
S. Gianzero, R. Chemali, S. M. Su
Geological Society of Malaysia (GSM)
.... S. A. Conventional induction andfocused resistivity tools are designed to measure resistivity from a vertical borehole surrounded by a cylindrically...
1989
ABSTRACT: Locally robust Fc-factors for Utah coal
Jeffrey C. Quick
The Society for Organic Petrology (TSOP)
... Large U.S. power plants use continuous emissions monitors to measure SO2, NOx, and CO2 concentrations in flue gas from coal combustion. Fc-factors (ft3...
2010
ABSTRACT: Fuzzy expert system applied for the color reduction of fluorescent microscopic coal images
Alejandro Restrepo-Martinez, Astrid Blandon Montes
The Society for Organic Petrology (TSOP)
... of the coal samples analyzed. The histogram of the fluorescent color fuzzy images could be used to measure quantitative difference and similarities...
2010
Abstract: Deep-sea corals: their use as climate change indicators
Mark A. Barry
Atlantic Geology
... modeling is becoming a major issue, with the increasing concern of global warming. Within the past 15 years, the use of corals to measure changes...
2002
ABSTRACT: Field Study of Fracture Characteristics as Function of Bed Curvature in Folded Dolomites, by Jill A. Quillan and D. W. Stearns; #91043 (2011)
Search and Discovery.com
2011
Abstract: Climatic signals from Canadian glaciers and ice caps: what do they tell us?
Christian M. Zdanowicz
Atlantic Geology
... principal research activities involve monitoring the mass balance of glaciers and ice caps to detect and measure climatic change, estimating...
2003
Note on Measurement of Grain Size in Phi Units: NOTES
G. C. Grender
Journal of Sedimentary Research (SEPM)
...] For example, the -2 mark is found to be antilog10 2/3.322=4 mm from the mark. It is desirable to measure enlargements of small grains rather than...
1961
Abstract: The Use of Risk Analysis and Strategic Classification to Manage Exploration Portfolios
Laura Kay Ethetton
GCAGS Transactions
.... Strengths and weaknesses, which measure a company's internal ability to pursue a project, can be controlled. External and internal criteria are matched...
1994
Abstract: Apparent conductivity mapping of sludge migration through waste rock at Fire Road Mine, Minto, NB
K. E. Butler, M. M. Coleman, A. Mersich, T. Yeomans
Atlantic Geology
... for purposes of reducing the infiltration of oxygen and production of AMD. Laboratory experiments are currently underway to measure the electrical conductivity...
2005