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The AAPG/Datapages Combined Publications Database
Showing 20,631 Results. Searched 200,693 documents.
Hummocky Cross-Stratification and Megaripples: A Geological Double Standard?
Donald J. P. Swift, Albert G. Figueiredo Jr., G. L. Freeland, G. F. Oertel
Journal of Sedimentary Research (SEPM)
... Island inner shelf, 20 April 1978, water depth 10 m. From Clarke et al. 1982. End_Page 1308----------------------- velocity. Flume experiments...
1983
Two Inversion Case Studies from the SCOOP and STACK Area of Oklahoma
Satinder Chopra, Ritesh Kumar Sharma, James Keay
Unconventional Resources Technology Conference (URTEC)
... approach (as described in Ray and Chopra, 2016) is used, wherein a target log is modeled as a linear combination of several input attributes at each...
2019
A new method to estimate resistivity distribution of shaly sand reservoirs using new seismic attributes
Nur Farhana Salleh, Maman Hermana, Deva Prasad Ghosh
Geological Society of Malaysia (GSM)
... has a similar response to gamma-ray indicating the lithological variation and SQs attribute is identical to resistivity as an indicator to reservoir...
2021
Velocity Analyses of Near Seafloor Strata Based on Multichannel Seismic Data from the Tonga Platform
Jeffrey E. Cole, Dennis M. Mann
Circum Pacific Council Publications
... to increase continuously with depth. By first picking the seafloor velocity peak, and bypassing the inversion layer, the interval velocities...
1985
Composition and Mean Age of Detritus of the Colorado River Delta in the Salton Trough, Southeastern California
L. J. Patrick Muffler, Bruce R. Doe
Journal of Sedimentary Research (SEPM)
...). Seismic and gravity data of Biehler, Kovach, and Allen (1964) suggest a depth to basement (seismic velocity = 5.5 to 6.4 km/sec) of 20,000 feet...
1968
Seismic Technology Evolution to Support Prospect Evaluation, Exploration Well, and Geological Appraisal
Frederic J. Billette, Yan Quist
GCAGS Transactions
.... Full volume 3D depth imaging was applied and a race towards wave-equation migration started, leading to multiple examples of strong business impacts...
2011
Abstract: Practical Implementation of SRME for Land Multiple Attenuation; #90187 (2014)
Juefu Wang and Shaowu Wang
Search and Discovery.com
... of multiples with Radon transform is dependent on the velocity difference between primaries and multiples. If the difference is too small, Radon...
2014
Stratigraphic and Seismic Evidence for Late Cretaceous Growth Faulting, Denver Basin, Colorado: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation
Robert J. Weimer , T. L. Davis
AAPG Special Volumes
...-density, overpressured zones exhibit departures from the normal trend. Interval velocity in the undercompacted section (at depth D2) is then compared...
1977
Abstract: Determining the Structure of Basalt Flows with Wide-Angle Seismic Data, by M. M. Fliedner, R. S. White, and J. Fruehn; #90923 (1999)
Search and Discovery.com
1999
Integrated Seismic Multi-Attribute Analysis for Complex Fluvio-Deltaic Reservoir Properties Mapping, Minas Field, Central Sumatra
Sigit Sukmono, Dardji Noeradi, Faizil Fitris, Tafsillison, William C. Richmond, Seffibudianti, Pujiyono
Indonesian Petroleum Association
... (M1 - SB1): Reservoir sand can be differentiated from shale using P-wave Acoustic Impedance, P-wave velocity, and gamma-ray. Thus P-wave velocity...
2003
II. Information Content and Resolution Potential of Seismic Data.
Norman S. Neidell
AAPG Special Volumes
... to be presented on the next figure. If we consider a colocated source and receiver, then according to familiar ray theory we would draw a raypath down...
1979
Definition, Identification, and Measurement of Normal and Abnormal Subsurface Pressures
Donald J. Timko, Lloyd C. Fons, William K. Grittman, Forest B. Rees
Houston Geological Society
... exerted by a column of drilling mud: WHERE:P=hydrostatic pressure, psi wt=fluid density ("weight"), lb/gal D = vertical depth, ft Equation 2...
1971
Integrating advanced azimuthal tomography and FWI to improve complicated carbonate fracture-cavity reservoirs in ShunBei oil fields, Tarim Basin
Lanlan Yan, Jiashun Yao, Hao Zheng, Kai Guo, Yong Zhang, Feiluo Peng, Yan Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
..., nearly presenting an conjugate pattern. Figure 1(a) Velocity from conventional ray-based tomography Figure 1(b) Velocity derived from combining FWI...
2024
Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf
Vidar Storvoll, Knut Bjrlykke, Nazmul H. Mondol
AAPG Bulletin
... in sedimentary rocks as a function of sediment composition, porosity, pore-pressure, burial-history, and compaction processes. A first-order linear velocity-depth...
2005
Explosion Seismology Studies of Active and Passive Continental Margins: Resources, Comparative Structure, and Eustatic Changes in Sea Level
B. Keller , B. T. R. Lewis , C. Meeder , C. Helsley , R. P. Meyer
AAPG Special Volumes
... travel times and this model was then converted into a density model using a linear relation between P velocity and density. Gravity anomalies computed from...
1979
Seismic imaging in Tarim Basin: Overcoming complex near-surface conditions
Xianhuai Zhu, Ruirui Zhao, Sam Gray, Wensheng Duan, Duoming Zheng, Ganglin Lei, Gengxin Peng, Rujie Zhang, Kun Xu, Grace Yan, Junru Jiao
International Meeting for Applied Geoscience and Energy (IMAGE)
... panel shows the ray density. Figure 7. Depth slices of estimated velocity models using super-long-offset first arrivals at depths 900m and 2000m...
2024
Low Resistivity Reservoir Pay Evaluation, New Opportunity for Further Development, Case Study On Gumai Formation Of "B" Field, Jambi Sub Basin, South Sumatera Basin
Debby Rahayu, Lia Reulina Ketaren
Indonesian Petroleum Association
... response, the non-linear relationships are more optimistic, because they result in lower clay content values than the linear equation. The Stieber method...
2021
Origins of overpressure in the central Xihu depression of the East China Sea shelf basin
Jun Li, Jingzhou Zhao, Zhiqiang Hou, Shuping Zhang, and Mengna Chen
AAPG Bulletin
... with the normal compaction trend or conforms to a higher level of normal compaction as the depth increases. In the sonic velocity–effective stress diagram...
2021
Abstract: Wave-Equation Propagation as a Body-Wave Filter, by Benjamin Witten and Brad Artman; #90105 (2010)
Search and Discovery.com
2010
Abstract: Anisotropic Frequency-Dependent Spreading of Seismic Waves from VSP Data Analysis; #90174 (2014)
Amin Baharvand Ahmadi and Igor Morozov
Search and Discovery.com
... and scattering) and the effective Q with depth. Both of these properties are also found to be anisotropic. The resulting model of frequency-dependent amplitudes...
2014
Abstract: Using-MultiFocusing 3D Diffraction Imaging to Predict Fracture Corridors/swarms in the Bazhenov Formation; #90187 (2014)
Marianne Rauch-Davies, Alex Berkovitch, Danil Pelman, and Kostya Deev
Search and Discovery.com
... 0 (X ) 2 Rcre VO (6) Figure 1: MultiFocusing ray diagram for diffracted wave detection. As it follows from equation (6), diffraction...
2014
Fast Gauss-Newton full-wavefield migration
Siamak Abolhassani, Eric Verschuur
International Meeting for Applied Geoscience and Energy (IMAGE)
... parameters located at a given depth level. velocity model with sharp reflectors, we apply both FWM and GN-FWM in such a setup to evaluate...
2022
An Integrated Approach to Characterization and Modeling of Carbonate Reservoirs; #50784 (2013)
G. Michael Grammer
Search and Discovery.com
... Compacted mud samples P-wave velocity (m/s) 6000 5000 m/s 5000 4000 43% 12% 3000 2400 m/s 2000 1000 0 Time-average equation Woods equation...
2013
Petrophysics of Cooper Basin Reservoirs in South Australia
J. G. G. Morton
Petroleum Exploration Society of Australia (PESA)
... determinations and to determine the factors m * and n * for use in the Waxman• Smits Sw equation. A factor has been determined which corrects porosity...
1989