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The AAPG/Datapages Combined Publications Database
Showing 1,444 Results. Searched 200,357 documents.
Abstracts: Microseismic Source Inversion in Anisotropic Media; #90173 (2015)
Scott Leaney, Chris Chapman, and Tadeusz Ulrych
Search and Discovery.com
.... While the sum over rays may include mode conversions, reflections and head waves in a future version, presently only the three direct arrival types...
2015
Abstracts: Near-surface Velocity Model Building and Statics in Permafrost Regions; #90173 (2015)
Tianfei Zhu, Yan Yan, and Jon Downton
Search and Discovery.com
... propagating along turning rays. That is, instead of grouped as a few refraction branches, every first arrival is now used as a data point...
2015
From Core to Pore: Multi-Scale, Multi-Dimensional Characterization of Fine-Grained Reservoir Rocks; #41358 (2014)
Eric T. Goergen, Kimball Skinner, Herman Lemmens, and Aukje Benidictus
Search and Discovery.com
... mineral identification software package based on SEM/EDX technology. Mineral identification is done utilizing X-rays generated by the interaction...
2014
Petrophysical Challenges and Triumphs in the Gippsland Basin; #10835 (2016)
Andrew A. Mills, Kumar Kuttan
Search and Discovery.com
..., the oxygen atoms are converted into an unstable isotope of nitrogen which decays with a 7.1 second half life, giving off excess energy as gamma rays...
2016
COMPARISON OF POROSITY LOGS WITH CORE POROSITY, OFICINA AREA, EASTERN VENEZUELA
Frederick R. Haeberle
Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)
... to the density of the material through which the rays are traveling. Gamma rays travel in a straight line unless they are directed from this path...
1960
Formation Evaluation Symposium, November 14-15, 1957
P. A. Ross
CSPG Bulletin
...., Edmonton, Alberta. End_Page 8-------------------------- of the number of gamma-rays absorbed by the formation. As gamma-rays pass through any material...
1958
THE CANNONBALL FORMATION (PALEOCENE) OF CENTRAL-MOST NORTH AMERICA
Alan M. Cvancara
North Dakota Geological Society
... and rhizocorallid burrows; sharks, skates, rays, turtles, and possibly alligators or crocodiles; and dinoflagellates, hystrichosphaerids...
1986
The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data
Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny
Indonesian Petroleum Association
... point with an arbitrary offset. Therefore, the CO CRS method does not rely on the illumination of a subsurface target by normal rays, but expects...
2009
From Arrhenius to CO2 Storage: Part I: Blackbody Radiation and Milankovic Cycles
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... of the visible spectrum, but with significant power in the ultraviolet as well. radiation (light, X-rays, gamma rays, and thermal radiation) falling...
2019
Determining Coal Distribution Based on Integrated Geological and Geophysical Study to Estimate Coal Bed Methane Resources in the Tarakan Formation: Case Study Kuncring Area
Dini Andriani, Erlangga Wibisono, Hizbina Khanaif, Ratna Johan Tri Pratiwi, Widi Atmoko
Indonesian Petroleum Association
..., density can also provide more information about coal zone. Figure 6 shows a crossplot between P impedance and density with color key gamma rays...
2013
Fossil Vertebrates in the Tulsa Area
Jiri Zidek
Tulsa Geological Society
... the cartilaginous fish – the elasmobranchs (sharks, skates, and rays) and holocephalians (ratfish). The second major fish group, the bony fish...
1972
Geological Society of Malaysia Newsletter Number 35 (April 1972)
B. K. Tan editor
Geological Society of Malaysia (GSM)
.... _OccasiqDally.. a.:~pherulite ·rnayshow 'one' or" two n~' boncentric arcs of ..roddl.sh-prown, fran. :oXid,e, 'and:r~therrnore ~qlle.11t~y ~diffuse raYS'9f...
1972
Biotite-Glauconite Transformation and Associated Minerals
E. Wayne Galliher
Special Publications of SEPM
... the answer may come slowly. Enough evidence is at hand to say that these minerals can be discussed properly only when they are studied by X-rays...
1955
Some Applications of CT-Scanner in Petroleum Engineering
Septi Anggraeni, Indra Jaya, Bambang Widarsono, Hari Hardiman, Pamuji, Alit Gurmilang
Indonesian Petroleum Association
.... Visualization of Laboratory Corefloods With The Aid of Computerized Tomography of X-Rays, SPE Reservoir Engineering, May. Mac Allister, D.J., Miller, K.C....
2002
Possible Utilization of Electrophoretic Phenomenon for Separation of Fine Sediments Into Grades
George Tchillingarian
Journal of Sedimentary Research (SEPM)
... provides an adequate source of illumination, the water in the thermostat serving as a filter for the heat rays. The electrophoretic cell is made from...
1952
Application of Pulsed Neutron Technology to Identify Untapped Oil in the Low Porosity, Low Salinity Kais Carbonate at Salawati Basin, West Papua
Ricky Sitinjak, Agung Reksahutama, Eli Silalahi, Michael Sompie, Donny Miraza
Indonesian Petroleum Association
... energy, some neutrons are involved in inelastic scattering with nuclei in the borehole or formation and produce gamma rays in the process. The gamma ray...
2019
X-ray Radiography with X-ray Diffraction Equipment: NOTES
H. Edward Clifton
Journal of Sedimentary Research (SEPM)
... radiography equipment: Science, v. 115, p. 94. End_of_Record - Last_Page 621------- In 1962 Hamblin showed that X-rays passing through a thin slice...
1966
Sampling Device for Semiconsolidated and Unconsolidated Sediments: NOTES
James D. Howard, Vernon J. Henry, Jr.
Journal of Sedimentary Research (SEPM)
... per unit when purchased in dozen quantities. The plastic composition has no appreciable effect on X-rays, and the dishes which are strong enough...
1966
Frontmatter, Glossary and Image Catalog: Electron Microscopy of Shale Hydrocarbon Reservoirs
Wayne K. Camp, Elizabeth Diaz, Barry Wawak
AAPG Special Volumes
... (EDS or EDXS): Analytical technique used to identify the elemental composition of a specimen by measuring the energy spectrum of x-rays emitted from...
2013
Choice of Voltage and Film in Radiography of Thin Rock Slabs: NOTES
Jitendra K. Bhargava
Journal of Sedimentary Research (SEPM)
... of voltage for X-ray generator 2) choice of film. 1) Choice of voltage for X-ray generator. The optimum wavelenght of the X-rays is that which gives...
1971
Theory of Nuclear Transmission Densitometry Applied to Sedimentology and Geotechnology
Peter V. Meyers, Wesley J. Van Sciver, Adrian F. Richards
Journal of Sedimentary Research (SEPM)
... per unit volume is related End_Page 1010----------------------- to the counting rate, R, of unscattered gamma rays passing through the sediment...
1974
Calcisphere Ultrastructure and Skeletal Aragonite from the Alga Acetabularia Antillana
D. S. Marszalek
Journal of Sedimentary Research (SEPM)
...). In the genus Acetabularia the aplanospores or cysts are uncalcified; in Chalmasia the calcispheres are free within the disc rays; and in Acicularia...
1975
Extended Abstract: pXRF Analysis of Heterogeneous Rocks with Respect to Sample Preparation: Applications to Mafic Igneous Rocks
Sarah M. Dillon, Adolfo Enciso, Mark T. Ford
GCAGS Transactions
... on a stage to stabilize the spectrometer and use a specialized cap to avoid X-rays from being shot into the air. We will then use the same sample...
2016
Extended Abstract: Micro-CT Imaging—A Powerful Tool for Screening and Rapid Quantification of Rock Properties
Ajayendra ‘AJ’ Kumar, Zheng Gan, Lucien Morales, Ted Griffin, John Dacy
GCAGS Transactions
... which uses high intensity x-rays to create closely-spaced high resolution images. In core petrophysics, micro-CT imaging is used for multiple purposes...
2016
Abstract: Global Cooling the Other Side of the Moon/Coin
Anizan Isahak
Geological Society of Malaysia (GSM)
... on Earth. The Sun also moderates the amount of galactic cosmic rays which has a direct effect on cloudiness. Studies are now pointing to an eventual...
2015