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The AAPG/Datapages Combined Publications Database
Showing 1,445 Results. Searched 200,636 documents.
Perspective of Isolated Carbonate Buildups for Hydrocarbons Exploration Targets in Menjangan Island, Bali, Indonesia
Kevin Muster Regulus Victor, Muhammad Bima Perkasa Alam, Delyuzar Ilahude
Indonesian Petroleum Association
... other information is needed and some other methods need to be employed, such as carbon and oxygen isotopes study, X-rays diffraction, magnetics, well...
2016
The Geologic Time Scale, and the Logic behind it
Sriyanee De Silva
Geological Society of Malaysia (GSM)
... of particles and electromagnetic radiation that are recorded as alpha- and beta-particles and gamma rays. The rate of decay is measured in half-life...
1984
Improved 3D Seismic Imaging Expands North Sea Vision. Workstation Interpretive Depth Imaging Solves Gas Cloud Problem
Thad Dunbar, Mark Lance
Petroleum Exploration Society of Australia (PESA)
...• converted seismic data and velocity field, image rays w ere vertical from the surface of the model to the top of the current producing horizon. Below...
1999
The Characteristics of Kasiro Shale and Its Implication to Oil Shale Identification at The Batang Asai, Sarolangun, Jambi
Abizar Rachman, Atep Beni, Hana Nur, Hanif Abiyuza, H. W. Utama
Indonesian Petroleum Association
... Tertiary Miocene Kasiro Formation using X-rays in the form of graphs. The graphics show the minerals found in Kasiro shale. Figure 6 - Results of the X...
2021
Clay Mineralogy of the Glenwood Formation, Southeastern Minnesota and Adjacent Areas
Walter Parham, George Austin
Journal of Sedimentary Research (SEPM)
... of the clay-size fraction of the Glenwood samples are shown in figure 2. The four X-rays records, here referred to as "type curves," are arranged so...
1967
Pre-Stack Imaging: Time or Depth? (Paper 25)
Carl Notfors, Peter Whiting, Geoff Mansfield
Geological Society of Malaysia (GSM)
..., even if only with depth, it is impossible to write a closed form equation for the diffraction surfaces. It is necessary to effectively trace rays...
2000
Graphical Construction of Perspective Diagrams
G. D. Hobson
AAPG Bulletin
... the perspective view is to be drawn is added to these two diagrams. Rays from the point of observation through points on the plan of the grid to the trace...
1947
Use of Ground-Based LIDAR in Geomorphic and Surface Stratigraphic Studies
Seiichi Nagihara
GCAGS Transactions
... of ground-based LIDAR (Light Detection And Ranging) instrument. It is set up on a tripod and sweeps the surrounding environment with optical rays...
2006
Abstract: Applications of Advanced Borehole Geophysics to Groundwater Resources Management; #90172 (2014)
Robert G. Maliva, Thomas M. Missimer
Search and Discovery.com
... in that a neutron source is used to emit neutrons into the formation and gamma rays released as the result of the collision and interaction of the emitted...
2014
Abstract: Application of a Tomographic Velocity Model to the Prestack Depth Migration of a Buried Valley; #90172 (2014)
Oluwafemi Ogunsuyi, Douglas R. Schmitt
Search and Discovery.com
... and lower velocity values (typifying the velocity distribution). Rays are traced through the model to determine the traveltimes between sources...
2014
Abstract: Prestack Signal Enhancement by Non-hyperbolic MultiFocusing; #90187 (2014)
Evgeny Landa, Alex Berkovitch, and Kostya Deev
Search and Discovery.com
... and the emergence angle r . This pair of rays belongs to a CMP point located at X0 and half offset h. A paraxial ray starts from an arbitrary source S1 X...
2014
Anisotropic depth migration in the Colombian Llanos Foothills as a key to understanding the structure in depth
emamedov
Search and Discovery.com
... anisotropic clastic rocks. The velocity parallel to the shale bedding is higher than the velocity perpendicular to bedding, so rays from the eastern...
Unknown
Porosity Determination by 3D High-Resolution X-Ray Computed Microtomography and Its Correlation with Gas Adsorption Technique; #40509 (2010)
Inaya Lima, Milena Oliveira, Paula Rocha, Francisco Souza, Carlos J. Abreu, and Ricardo Lopes
Search and Discovery.com
...-dimensional object structures without sample preparation or chemical fixation. The -CT is based on the attenuation of X-rays emitted from an X-ray tube which...
2010
Porosity Determination by 3D High-Resolution X-Ray Computed Microtomography and Its Correlation with Gas Adsorption Technique; #40509 (2010)
Inaya Lima, Milena Oliveira, Paula Rocha, Francisco Souza, Carlos J. Abreu, and Ricardo Lopes
Search and Discovery.com
... object structures without sample preparation or chemical fixation. The -CT is based on the attenuation of X-rays emitted from an X-ray tube which...
2010
Multifocusing Stack Technique for Subsurface Imaging, #40749 (2011)
Sunjay Sunjay,
Search and Discovery.com
... the reflector (Figure 1). The wavefront of the Normal (N) wave is formed by normal rays emitted by different points on the reflector (like in an ''exploding...
2011
Mineralogical and Petrophysical Characterisation of a Fine-Grained Sandstone With Significant Clay Coating Using 3D Micro-CT and SEM Imaging From a 5 mm Plug, #41756 (2015).
Alexandra Golab, Alessio Arena, Ishtar Barranco, Rafael Salazar-Tio, Joseph Hamilton, Nasiru Idowu, Puvaa Rajan, Silvano Sommacal, Benjamin Young, Anna Carnerup, Josephina M. Schembre-McCabe, Keith Boyle
Search and Discovery.com
..., X-rays pass through the rock sample and the different minerals and pore space attenuate the X-rays in different ways. It is possible to separate...
2015
Cased-hole and Production Log Interpretation for Geologists Workshop
Bill Guy
PTTC
... occurring gamma rays downhole are potassium 40, thorium 232, and uranium 238 Points to remember • Th and K tend to accumulate in shales while U...
2005
Geology of the Paradox Basin Fold and Fault Belt: Third Field Conference, Front Matter and Road Logs
Kenneth G. Smith
Four Corners Geological Society
... of Salt Anticlines, Utah-Colorado by Raymond C. Robeck 107 Economic Papers MISCELLANEOUS From X-Rays to Fission, A Metamorphosis in Mining by Clay...
1960
Beach Processes and Shoreline Changes, Kouchibouguac Bay, New Brunswick
S. B. McCann, E. A. Bryant
Atlantic Geology
... wave rays. Engineering Research Center, Tech. Memo. No. 17. U.S. Army Coastal...
1970
Gas Hydrates: Part VIII: Hydrates in Outer Space (1)
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... the first settlers will have to live below ground to protect themselves from cosmic rays. This set of images was taken by the High Resolution Imaging...
2015
Arun Core Analysis: Special Procedures for Vuggy Carbonates
Eve S. Sprunt
Indonesian Petroleum Association
... us to image a core sample inside a pressure vessel under pressure if sufficient X-rays can penetrate the vessel. Usually pressure vessels are made...
1987
Desert Day
M. Dane Picard
Utah Geological Association
... floor and the water evaporates. The sun’s rays strike the desert directly. As much as 95 percent of the solar radiation reaches the ground...
1980
Future Applications of Coal Petrology - Academic and Applied
John C. Crelling, Russel R. Dutcher
Special Publications of SEPM
... for solution to many of these problems. Some new techniques are being developed using very low angle x-rays in an attempt to determine the mineralogy...
1980
Optimization of Wave Parameters in the "a-b-c- ..." Model
R. Craig Starns , Robert C. Glassen
GCAGS Transactions
... ashore over the bathymetric grid. Wave fronts are subdivided into a predetermined number of orthogonal rays which are tracked ashore while changes...
1975
Natural Radioactivity of the Sedimentary Rocks of Several Areas of Azerbaydzhan
A. O. Martirosova
Petroleum Geology: A Digest of Russian Literature
... of radioactivity logs: Gostoptekhizdat. 4. Polak, L. S. and Rapoport, M. B., 1956, Absorption of gamma rays by sedimentary rocks: Priklad. Geophysics...
1963