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The AAPG/Datapages Combined Publications Database
Showing 16,597 Results. Searched 200,291 documents.
Imaging Solutions for Geophysical Challenges in South East Asia (Paper A13)
N. El Kady, Z. Mohd Dom, Y. Prasetyo, M. Bayly, G. Nyein, P. Vasilyev, N. Mat Don Ya
Geological Society of Malaysia (GSM)
... reflection strength and very often deeper target reflectors show anomalous attenuated amplitudes with frequency(Ghosh et al., 2010). This is obviously...
2012
NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers
E. Blias
Search and Discovery.com
... model with horizontal anisotropy axis is used to study fractured reservoirs. Reflection moveout in fractured media is usually used to determine...
Unknown
NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers
E. Blias
Search and Discovery.com
... model with horizontal anisotropy axis is used to study fractured reservoirs. Reflection moveout in fractured media is usually used to determine...
Unknown
Free Hydrocarbons in Uinta Basin, Utah
Ganjavar Khavari-Khorasani
AAPG Bulletin
...: Proceedings of the Royal Society, series A, v. 209, p. 196-218. Gilbert, L. A., 1962, Refractive indices and absorption coefficients of coal in bulk measured...
1984
Integrating Surface Seismic, Microseismic, Rock Properties and Mineralogy in the Haynesville Shale.
Neil Peake, Gabino Castillo, Norbert Van de Coevering, Simon Voisey, Antoine Bouziat, Kevin Chesser, Guy Oliver, Chi Vinh Ly
Unconventional Resources Technology Conference (URTEC)
... pressure, in addition to tectonic stresses acting in the subsurface. Observation of azimuthal variations of velocity and reflection coefficients was used...
2014
Interpretation of 2-D Seismic Data
Bruce S. Hart
Special Publications of SEPM
... logs, then converting to reflection coefficients . The reflection coefficients are then convolved with a wavelet that is thought to atch the frequency...
2000
Seismic Detection of Source Rocks
Ian Davison, Karyna Rodriguez, David Eastwell
GEO ExPro Magazine
... in acoustic impedance at the base. Extensive, high amplitude ‘soft’ reflection associated with decrease in AI at the top of the source rock sequence. Extensive...
2018
Marine Seismic Sources: Part II: Air-Gun Arrays for Non Experts
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
.... The reflection strength is given by the reflection coefficient for the interface between the water layer and the layered bottom. For small angles...
2010
Estimation of Seismic Attenuation (Q): More Insight from Zero-Offset VSP
Mohammad Risyad
Indonesian Petroleum Association
... of reflection and transmission processes in the earth (Hardage, 1998). * Zero-Offset VSP is one of many widely performed VSP measurement methods with minimum...
2018
Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings
F. Sandnes, L. Nustt, S. G. Henry
Indonesian Petroleum Association
... simulating a synthetic trace which matches the processed VSP data by iterative modeling of reflection coefficients. It is from the reflection...
1983
The Grandison Complex, Lafourche and Jefferson Parishes, Louisiana
Ramsey L. Oakes
GCAGS Transactions
... change across the closely controlled Coffee Bay fault and onto the anticlines, no accumulation occurs. Two separate reflection seismic surveys failed...
1959
Seismic expressions of a Miocene prograding carbonate margin, Mut Basin, Turkey
Xavier Janson, Gregor P. Eberli, Florence Bonnaffe, Fabrice Gaumet, Vincent De Casanove
AAPG Bulletin
...-tracing method (Fagin, 1991), which uses only rays that travel at a 90 angle to the reflecting surface (Figure 11A). Reflection coefficients...
2007
Formation and Early Diagenesis of Varved Evaporite Sediments in a Coastal Hypersaline Pool
Jacob Kushnir
Journal of Sedimentary Research (SEPM)
... partition coefficients. The major parameter that affects the coprecipitation of all cations with gypsum is the rate of growth of the crystals. The amount...
1981
Discussing Demigration Uncertainties Applied to Active Focused Seismic Monitoring
Baptiste Penot, Bruce Webb, Michele Buia, Gianluca Dell’Elce
Carbon Capture, Utilization and Storage (CCUS)
... reflection monitoring are highlighted. This study relies on the use of a ray-tracing based de-migration algorithms on different perturbed propagation...
2025
Tinggi Field - Analyzing the DHIs
Harun Mohd. Noor
Geological Society of Malaysia (GSM)
... We have used the log values for the interval velocities of the shale, gas sand and the water sand to calculate reflective coefficients for the gas-sand...
1987
Seismic Modeling of Acid-Gas Injection in a Deep Saline Reservoir
Search and Discovery.com
... and reflection coefficients to fluid substitution. Using acid-gas properties from the Peng-Robinson equation of state and fluid substitution effects from...
2013
Cableless Confusion
Robert Heath
GEO ExPro Magazine
... and NBR. Currently available for: • Barents Sea, utm zone 34 • Mid-Norway, utm zone 32 • North Sea, utm zone 31 Dan Braden transmission...
2012
Settling the Eighth Continent Three Steps to Mankind's Colonization of the Moon; #70150 (2013)
Bruce L. Cutright and William A. Ambrose
Search and Discovery.com
... and critical material challenges in the 21st century and beyond. …[it] , is a clear reflection of AAPG's vision of advancing the science...
2013
Enso and Sunspot Cycles in Varved Eocene Oil Shales from Image Analysis
Maurizio Ripepe , Lillian T. Roberts , Alfred G. Fischer
Journal of Sedimentary Research (SEPM)
... variation in light transmission (Fig. 3E). Finally the curves derived from successive images of a single acetate peel replica were concatenated...
1991
Oil and Gas Developments in Maryland, Ohio, Pennsylvania, Virginia, and West Virginia
William S. Lytle, Theodore A. DeBrosse, E. Perry Bendler, William J. Bushman, Allan W. Johnson, Jonathan Edwards, Jr., David M. Young, Douglas G. Patchen
AAPG Bulletin
... by the Columbia Gas Transmission Corporation (formerly United Fuel Gas Company) that started in 1970 continued during 1971 with the drilling of 13 wells...
1972
Carbonate Textures: Carbonate Techniques
AAPG Special Volumes
..., scanning and transmission electron microscopy have prov d to be the most effective techniques for the detailed examination of fine-grained sediments...
1978
Petroleum Developments in Australia in 1976
E. F. Durkee
AAPG Bulletin
... for 1976 consisted of 4 short reflection surveys totaling 2.3 End_Page 1888------------------------------ crew-months (224.5 line-km) and a 1-month...
1977
Mineralogical and Fabric Changes of Shale During Burial Diagenesis and Their Effects on Petrophysical Properties
Jin-wook Kim , William R. Bryant , Joel S. Watkins , Thomas T. Tieh
GCAGS Transactions
... by transmission electron microscopy (TEM), scanning electron microscopy (SEM), and x-ray powder diffraction (XRD) to study the relationship between clay...
1998
Limitations of Reflection Seismograph
L. E. Nugent, Jr.
AAPG Bulletin
... re-reflected upward to the surface. These phenomena are commonly associated with relatively shallow interfaces with large reflection coefficients...
1953
Seismic impedance inversion via neural networks and linear optimization algorithm
Bo Zhang, Yitao Pu, Ruiqi Dai, Danping Cao
International Meeting for Applied Geoscience and Energy (IMAGE)
..., DDNNs, and SSI. Table 1 shows the average correlation coefficients between the inverted impedance and true impedance. Figure 4 shows the comparison...
2024