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The AAPG/Datapages Combined Publications Database
Showing 1,445 Results. Searched 200,630 documents.
Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey
Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham
Indonesian Petroleum Association
... constraint on the tomography (if the software supports it) by providing a network of intersecting rays not available with narrow azimuth geometries...
2011
Ultrasonic velocity tomography of rock sample
Tian Xie, Jiajia Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... problems. CT scanning of rocks may be done using X-rays. CT scanning is expensive in terms of both equipment and manpower, and it cannot intuitively depict...
2023
Case History and Integrated Study of the West Cameron 76 Field, Gulf of Mexico Shelf-Big Reserves in the Expanded Marg A
Kevin Guilbeau, Steve McGovern, Maurice Rouen, and Tim Addington
Houston Geological Society Bulletin
... field acquisition parameters were used in the model and 500 common source point gathers were ray traced. Rays were traced from the source...
2000
Weathering Pits in Jurassic Sandstones: Cosmogenic Exposure Age Dating of Geomorphic Surfaces in Southern Utah
Marjorie A. Chan, John Gosse, Thure E. Cerling, Dennis Netoff
Utah Geological Association
... rays. The TCN technique does not date the timing of crystal formation (with the possible exception of exposure ages on lava flows), but instead...
2010
Main Results of Geophysical Investigations in the Timano-Pechora Oil-Gas Province and Future Prospects
A. Ya. Krems, I. I. Belovol, A. K. Voytovich, N. D. Matviyevskaya
Petroleum Geology: A Digest of Russian Literature
... directional reception is adequate for mapping crystalline basement at depths to 4 km. Positive results have been obtained by the method of central rays; it has...
1966
Radioactivity of Soil Gases
Lynn G. Howell
AAPG Bulletin
... of the intensity of penetrating rays coming from the radioactive minerals in the top layer of the earth and has reported finding radiations many times more...
1934
Radioactivity of Sedimentary Rocks and Associated Petroleum
K. G. Bell , Clark Goodman , W. L. Whitehead
AAPG Bulletin
.... Lind to result from bombardment with alpha rays. The amounts of radioactivity found in these crude oils are quantitatively sufficient to cause...
1940
Geology is a Way of Life
Wallace E. Pratt
AAPG Bulletin
... of the desert. As we gazed at this graceful silhouette, etched by the last rays of the setting sun with a rim of jagged incandescence against the dark winter...
1945
Extending the Range and Geographical Applicability of the Q-Marine Solution
Tim Bunting
Petroleum Exploration Society of Australia (PESA)
... and residual noise modes act to increase t he range of reso lvable reservo irs. The geological over-burden acts to bend and scatter the seismic rays on the w...
2009
Preservation of Unconsolidated Sediment Cores in Plastic
J.P. Shannon, Jr., C. W. Lord
Journal of Sedimentary Research (SEPM)
... and aluminum oxide (fig. 8). EQUIPMENT Mixing container (pliable plastic is preferable because it simplifies pouring) Large spatula Core rays Inert...
1967
Paleoenvironmental Interpretations Based on Vertebrate Fossil Assemblages: An Example of their Utilization in the Gulf Coast
Gary L. Stringer, Melissa M. Miller
GCAGS Transactions
... spines of rays, and fish teeth) were found in the shell hash of level 1. There were twelve species of sharks, one sawfish, two rays, one fish (skeletal...
2001
Photogeology Aids Naval Petroleum Exploration
Norman C. Smith , Sherman A. Wengerd
AAPG Bulletin
... rays of the Arctic sun. Where beds were well exposed it was often possible to observe the direction of dip without difficulty. More often, however...
1947
Rock Impregnation Trials Using Monomers, Epoxide, and Unsaturated Polyester Resins: NOTES
J. A. Franklin
Journal of Sedimentary Research (SEPM)
... the facilities available is to irradiate the specimen, saturated in inhibited, uncatalysed monomer, with gamma rays. Approximately 12 hours...
1969
Social Trends in Science
Carroll E. Dobbin
AAPG Bulletin
... rejuvenated to a feverish pitch by the subsequent discovery of X-rays, the electron, and radium and by the development of relativity, quantum mechanics...
1948
An X-ray Technique for Distinguishing Between Detrital and Secondary Quartz in the Fine-grained Fraction of Sedimentary Rocks
Eric V. Eslinger , Lawrence M. Mayer , Thomas L. Durst, John Hower, Samuel M. Savin
Journal of Sedimentary Research (SEPM)
... be recognized on the basis of the relative intensities of X-rays diffracted from the (100) and (101) crystallographic planes. While this technique...
1973
Geomechanical Approach to Resolve Severe Velocity Variations and Remove Image Distortions below Rugose Seafloor (Paper A16)
S. Birdus, A. Artyomov, L. Li, S. Xin
Geological Society of Malaysia (GSM)
... and seriously affect seismic rays travel times and geometry. In case of severe variations in the water depth (seafloor channels, cliffs, prominent reefs...
2012
A Gravity Corer with a Simple Valve System: METHOD PAPER
Valter Axelsson, Lars Hakanson
Journal of Sedimentary Research (SEPM)
... glass (with a small coefficient of friction and a relatively small coefficient for absorption of x-rays at low and moderate levels of radiation energy...
1978
Lihologic and Stratigraphic Traps - Border Areas of North Caspian Depression
A. G. Aleksin, V. T. Khromov, N. V. Melik-Pasheva
Petroleum Geology: A Digest of Russian Literature
..., in the Suvod area. Anomalously low values of gamma rays here are due possibly to the presence of the pool. A reef zone may be present to the east of here...
1994
Cross-Borehole Tomography in Development Geology: Part 7. Geophysical Methods
J. H. Justice, M. E. Mathisen, J. R. Bulau, A. A. Vassiliou
AAPG Special Volumes
... because seismic energy does not propagate along a straight line between source and receiver as X-rays do. As a result, special algorithms have been...
1992
On the Formation and Occurrence of Saddle Dolomite: DISCUSSION
D. H. Zenger
Journal of Sedimentary Research (SEPM)
... aragonite rays and baroque white dolomite in tepee-fillings, Triassic of Lombardy, Italy [abs.]: Soc. Econ. Paleontologists Mineralogists, Prog. Ann...
1981
Meteoric Calcitization and Incipient Lithification of Recent High-Magnesium Calcite Muds, Belize
S.J. Mazzullo, William D. Bischoff
Journal of Sedimentary Research (SEPM)
... No. 2. (March), High-magnesium calcite-dominated muddy sediments on subaerially exposed rays in northern Belize are being pervasively altered...
1992
Pelagic Sediments of the North Atlantic Ocean: Part 5. Pelagic Deposits
Carl W. Correns
AAPG Special Volumes
... in the microscopic fractions and in the finest fractions analyzed by X-rays. Relatively few minerals are formed anew in the sediment. The content of TiO2...
1939
Climate change: Conflict of observational science, theory, and politics
Lee C. Gerhard
AAPG Bulletin
..., 2002, Cosmic rays, clouds, and climate: Science, v. 298, p. 17321737.Christy, J., 2003, May 13, 2003 Testimony of Dr. John Christy before the U.S. House...
2004
High-precision seismic imaging for complex deep structures in the hydrocarbon exploration using a coherent-stacking-based least-squares migration
Jidong Yang, Jianping Huang, Tengfei Lin, Zhenchun Li, and Liang Chen
AAPG Bulletin
... the traveltime by tracing rays (Julian and Gubbins, 1977; Keho and Beydoun, 1988) or solving the eikonal equation using the finite-difference algorithm...
2024
Abstract: Geosteering Techniques in Thin Coal Reservoirs; #90171 (2013)
Christine Burinda, Jason Pitcher, and Dennis Lee
Search and Discovery.com
... and well placement can be mapped. The SS3D combines the resistivities, gamma rays, images, geology, and well bore placement into one screen making a powerful...
2013