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The AAPG/Datapages Combined Publications Database
Showing 1,445 Results. Searched 200,636 documents.
Abstracts: General Anisotropic Travel Times A Purpose Built Solution; #90173 (2015)
R. Phillip Bording
Search and Discovery.com
... rays in the isotropic inhomogeneous media However, the earth is not always isotropic and structures and media can be shown to be anisotropic. Media...
2015
Abstracts: Plane Wave Reflection and Transmission Coefficients for VTI Media; #90173 (2015)
Ritesh Kumar Sharma and Robert James Ferguson
Search and Discovery.com
..., Introduction to Seismology: Elesvier. Slawinski, M. A., 2003, Seismic waves and Rays in Elastic Media.: Pergamon SecondEdition. Thomsen, L., 1986...
2015
Abstract: Calculation of Amplitude and Velocity in General Anisotropic Media; #90224 (2015)
M. Malehmir and D. R. Schmitt
Search and Discovery.com
... ray . (2) All projected horizontal slownesses (S) from incident(SI ), reflected(SR ), and transmitted(ST ) rays on the boundary interface must be equal...
2015
The Poles of the Moon and Their Significance
Paul D. Spudis
Search and Discovery.com
... (but locally strong anomalies) Hard radiation environment (cosmic rays), solar wind impinges directly on surface, Moon flies through Earth’s geomagnetic tail...
Unknown
Biozonation and Correlation of BDX-1 and BDX-2 Wells of Deep Offshore Niger Delta Using Calcareous Nannofossils, by E.A Ojo, L.S. Fadiya, and O.A. Ehinola, #50194 (2009)
Search and Discovery.com
2009
Integrated Lab Studies For Uranium Exploration in High Radioactive Formations, #80150 (2011)
R. B. N. Singh, M. K. Tewari
Search and Discovery.com
.... These radiations are emitted from three main types of source elements: K, Th and U (and their decay products). The gamma rays emitted by the three...
2011
Lunar Helium-3 Value Chain: Investment and Funding, #80154 (2011)
Dieter Beike,
Search and Discovery.com
... Edison Thomas Edison a waste of time. Nobody will use it. ~1880 “X‐rays are a hoax” 880 ays a e a oa Expert Lord Kelvin Lord Kelvin od e ~1930...
2011
Mineralogical Constraints on Diagenesis of the Sheepbed Mudstone, Gale Crater, Mars, as Determined by the CheMin XRD Instrument and Examples of the Use of NASA Spinoff Technology in the Oil and Gas Industry; #70167 (2014)
David Blake, the MSL Team
Search and Discovery.com
.../XRF experiment A single detector measures energy, position and intensity of the X-rays emanating from the sample XRD analysis of mudstone...
2014
Application of Anisotropic 3D Reverse Time Migration to Complex North Sea Imaging; #41573 (2015)
M. A. Hall, I. F. Jones, M. C. Goodwin, I. D. Berranger, H. Zhou, P. A. Farmer
Search and Discovery.com
... present in the final image to less than seventy degrees. Steeper dips, and turning rays are usually imaged using Kirchhoff techniques, but these fail...
2015
Attributes Assisted Seismic Interpretation in Pre-Stack Time versus Depth Migration Data; #41637 (2015)
Tengfei Lin, Hang Deng, Zhifa Zhan, Zhonghong Wan, Kurt Marfurt
Search and Discovery.com
... caused by PSTM, pre-stack depth migration (PSDM), which assumes that seismic waves are propagated in straight rays, is necessary in the presence...
2015
-- no title --
Andys Office
Search and Discovery.com
... of this interval is approximately 2m thicker for the CT Scan Images CT Scan images use X Rays to examine the distribution of porosity types within Grosmont core...
Unknown
Exaggeration of Medium
Search and Discovery.com
N/A
VSP – The Link Between Geology and Geophysics, by Ronald C. Hinds and Richard Kuzmiski, #40552 (2002).
Search and Discovery.com
2002
Depositional Architecture of the Lagniappe Delta: Sediment Characteristics, Timing of Depositional Events, and Temporal Relationship with Adjacent Shelf-Edge Deltas
Harry H. Roberts, Richard H. Fillon, Barry Kohl, John M. Robalin, Johan C. Sydow
Special Publications of SEPM
...-rays. Unit H (radiograph e) is represented by highly inclined stratification a clay-rich sediment. This unit is interpreted as deformed and remolded...
2004
Method to Produce Grain-Scale Digital Images of Large Experimental Sedimentary Deposits and Other Imperfectly Flat Stratigraphy
Jim Mullin, Chris Ellis
Journal of Sedimentary Research (SEPM)
.... Only these parallel rays can pass through the aperture to the imager. Since only parallel rays are used, apparent (imaged) object size does not change...
2008
Caught in the act: Trophic interactions between a 4-million-2009-old white shark (Carcharodon) and mysticete whale from Peru
Dana J. Ehret, Bruce J. MacFadden, Rodolfo Salas-Gismondi
PALAIOS
... vertebrate fossils in the Pisco Formation include rays, teleosts, chelonians, crocodilians, sea birds, seals, and an aquatic sloth (Hoffstetter, 1968...
2009
Joggins: The Fossil Cliffs of Joggins One of the Worlds Classic Geological Sites
Peter Wallace
Atlantic Geoscience Society Special Publications
... or estuaries. A profusion of aquatic fossils have been found within these clam coals, including fishes, sharks, rays, and amphibians. Barbed spines...
1998
Uranium Exploration and Economics an Overview
James O. Bemis
Bulletin of South Texas Geological Society
... are calibrated in counts-per-second (c.p.s.). The spectrometers are calibrated usually in c.p.s. The “gross-count” types indicate the total of the gamma rays...
1977
Strontium Isotope Stratigraphy and the Oligocene-Miocene T-Letter Stages in Papua New Guinea
T. L. Allan, J. A. Trotter, D. J. Whitford, M. J. Korsch
Papua New Guinea (PNG) Petroleum Convention Proceedings
... of the equatorial chambers with rays extending from the central embryoconch. Chambers within the rays are higher than those in inter-ray areas, this height...
2000
Current Trends in Geophysics
H. E. Stommel, J. M. Graul
Indonesian Petroleum Association
... in the figure). A series of rays are then traced through the model. these rays show how the time migrated traces are to be bent (refracted) in converting to depth...
1978
STRATIGRAPHY AND MICROFOSSILS OF THE SAPPINGTON FORMATION IN SOUTHWESTERN MONTANA
CHARLES W. ACHAUER
Montana Geological Society
... are the largest forms in the assemblage ranging from 80 to 260 microns. They are all unicenter, devoid of monolete or trilete rays and show various...
1959
Mineral Matter in Coal Analytical Technology for Mineral Matter Studies - TSOP Short Course Presentation
Colin Ward, David French
The Society for Organic Petrology (TSOP)
... planes in powdered crystals of minerals Detects constructive interference of diffracted X‐rays at measured angles of incidence (2‐theta) Sample...
2018
Correlation and Depositional Environments of the Middle Miocene Rosarito Beach Formation of Northwestern Baja California, Mexico
John A. Minch, James R. Ashby, Thomas A. Demere, H. Tom Kuper
Pacific Section of AAPG
...). The Wahoo suggests that the area was like a shallow warm bank. The rays like 70–100 ft. of water while the bass, groupers and sea cats need shelter...
1984
The Spectral Gamma-Ray Log
John H. Doveton
Special Publications of SEPM
... THE SPECTRAL GAMMA-RAY LOG Measurement and ratio analysis The counts recorded on a standard gamma ray log are the sum of all gamma rays, most of which...
1994
Core Hardness Testing and Data Integration for Unconventionals
Elizabeth Ritz, Matt Honarpour, William F. Dula, Jack P. Dvorkin
Unconventional Resources Technology Conference (URTEC)
... number, Zeff, is the average atomic number for a material composed of more than one element, measured by low-energy gamma rays subject to photoelectric...
2014