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The AAPG/Datapages Combined Publications Database
Showing 20,859 Results. Searched 200,685 documents.
Abstract: 3D–3С Full-Wave Modeling in Anisotropic 2.5D Medium; #90171 (2013)
A. Kostyukevych, N. Marmalevskyi, Y. Roganov, and V. Tulchinsky
Search and Discovery.com
... are located every 10m. Upper layer parameters: qP- wave velocity along the symmetry axis of HTI-medium is Vp1=3000м/с, S1wave velocity Vs1=2000м/с, density...
2013
Temporal and Spatial Scales of Autogenic Dynamics in Linked Fluvial-Marine Systems, #50314 (2010)
John Swenson, Sanjeev Gupta, Chris Paola, Douglas Jerolmack
Search and Discovery.com
... investigated one form of this communication by considering how wave-driven longshore transport might set the tempo of distributary-channel avulsion...
2010
Hydrodynamic Interpretation of High Energy Wave-dominated Shoreface Successions, Cretaceous Mount Garfield/Illes Formation, Colorado; #50378 (2011)
Jesse Thompson and Diane Kamola
Search and Discovery.com
.... and Sherwood, C. R. (2006) Calculating wave-generated bottom orbital velocity from surface wave parameters: Computers and Geosciences, v. 34, p...
2011
Polarization Filter by Eigenimages and Adaptive Subtraction to Attenuate Surface-Wave Noise; #41565 (2015)
Stephen Chiu, Norman Whitmore, Michael Gurch
Search and Discovery.com
... is a time and offset variant window based on the surface-wave velocity. Within the window of a single station, surface wave noise represents the most...
2015
Hierarchical elastic velocities reconstruction with Eikonal-equation-based characteristic reflection traveltime tomography
Jianhua Wang, Jianming Zhang, Liangguo Dong, Yandong Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... systems, and analysis of stress distribution characteristics. In the multi-component data processing workflow, the reconstruction of S-wave velocity stands...
2024
G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset
Norman S. Neidell
AAPG Special Volumes
... survey which except for the magnitude of the velocity appear quite comparable. Close-ups of P and S-wave results highlighting the Morrow sands...
1987
Microseismic Event Location Using Multiple Arrivals: Demonstration of Uncertainty Reduction
Zhishuai Zhang, James W. Rector, Michael J. Nava
Unconventional Resources Technology Conference (URTEC)
... formation. When the velocity of a nearby layer (the lower layer in this case) is larger than the layer where source and receiver are situated, head wave...
2015
Estimation of Total Organic Carbon (TOC) Content of Shale from AVO Inversion: A New Crossplot Approach Based on Zoeppritz Equations
Un Young Lim, Richard Gibson Jr., Nurul Kabir
Unconventional Resources Technology Conference (URTEC)
... impedance, which is the product of P-wave velocity and density. Moreover, Vernik (2016) recently proposed a crossplot template using acoustic impedance (AI...
2019
Broadband Seismic Technology and Beyond: Part III: The Interaction between Ocean Waves and Recorded Seismic Data
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... by a sine wave, analytical equations enable us to calculate the horizontal (u) and vertical (v) particle velocity and the pressure (p) as a function...
2013
Finite Difference Modeling: Part I: Become Expert in Five Minutes
Lasse Amundsen, Ørjan Pedersen, Martin Landrø
GEO ExPro Magazine
... approximation for the wave equation, and the famous Courant–Friedrichs–Lewy (CFL) condition – a necessary condition for convergence while solving partial...
2018
Horizontal well S-wave imaging method and application
Hongliang Wu, Peng Liu, Ning Li, Yi Huang, Hao Zhang, Wenhao Zhang, Han Tian, Yusheng Li, Zhou Feng, Yongjian Zeng
International Meeting for Applied Geoscience and Energy (IMAGE)
...Horizontal well S-wave imaging method and application Hongliang Wu, Peng Liu, Ning Li, Yi Huang, Hao Zhang, Wenhao Zhang, Han Tian, Yusheng Li, Zhou...
2023
3D model-building technique by fusing near surface and deep structure and its applications
Luo Kaiyun, Yang Jian, Ma Lan, Men Zhe, Long Bo
International Meeting for Applied Geoscience and Energy (IMAGE)
... application at a work area in west China indicates that the precision of velocity model that fuses near surface model is higher, seismic wave filed...
2024
Converted Shear-Wave Anisotropy: New Technology for Fractured-Reservoir Management; #90017 (2003)
James Gaiser, Richard Van Dok
Search and Discovery.com
... by integrating the geophysical data from all scales with the engineering data. P-wave AVO/AVA and azimuthal velocity anisotropy analyses can be important...
2003
3-D Surface-Wave Estimation and Separation Using an Iterative Closed-Loop Approach; #41898 (2016)
Tomohide Ishiyama, Gerrit Blacquiere
Search and Discovery.com
... characteristics ( P N) 0 Delphi 10 Frequency (Hz) − Higher amplitude − Lower frequency − Lower velocity 5 1 Time (s) 0.5 • Surface-wave...
2016
Falling Water Level Ripple Marks
William F. Tanner
GCAGS Transactions
... conditions. Shallow-water and falling water-level ripple marks are conveniently studied on sand-floored tidal flats as well as in wave tanks. Tidal flats...
1962
The Developing Role of Analysis in the Design of Floating Production Systems
D. B. Melver, D. Cash
Indonesian Petroleum Association
... with the mathematical expressions for velocity, acceleration and pressure valid only below the still water level. However, extrapolation into the wave crest...
1985
Intertidal Sedimentary Structures on Macrotidal Beaches
Nathan Hawley
Journal of Sedimentary Research (SEPM)
.... in two ways. Since wave orbital velocity is directly related to wave height, smaller waves will result in the shift of the three outer facies toward...
1982
Recent Ripple Marks at Giorgimpopoli, Libya: NOTES
George R. Wulf
Journal of Sedimentary Research (SEPM)
..._of_Record - Last_Page 965------- Ripple marks form under limited conditions of water depth, wave velocity, wave height, and grain size. In fossil ripple...
1963
Abstract: Surf's up for Offshore Oil and Gas Workers
PESA Staff
Petroleum Exploration Society of Australia (PESA)
... offshore oil and gas workers could soon be working the waves w ith the first Western Australian wave energy project commencing next year. Wh ile debate...
2012
Abstract: Extending Eaton Exponents: beyond P-Wave Velocities; #90063 (2007)
Search and Discovery.com
2007
Multicomponent Seismic Technology for Assessment of Fluid-Gas Expulsion Geology and Gas Hydrates: Gulf of Mexico, by Bob A. Hardage and Harry H. Roberts; #90035 (2004)
Search and Discovery.com
2004
Converted Shear-Wave Seismic Fracture Characterization Case Study: Pinedale Field, Wyoming, U
Search and Discovery.com
N/A
Wave-Formed Sedimentary StructuresA Conceptual Model
H. Edward Clifton
Special Publications of SEPM
... 1973 The critical velocity at which a sheet flow on both grain size and wave period develops depends on grain size Dingler 1974 The transition between...
1987
Abstract: Polymodal Deep-Water Wave-Rider Buoy Data
William F. Tanner
GCAGS Transactions
...Abstract: Polymodal Deep-Water Wave-Rider Buoy Data William F. Tanner 1998 Vol. 48 (1998), Deep-water wave-rider buoy data provide near-real-time...
1998
Ultrasonic Measurements on Thin Samples: Numerical Modelling
Alexey Yurikov, Maxim Lebedev, Marina Pervukhina
Petroleum Exploration Society of Australia (PESA)
... compressional dipole is emitted and propagates through the media with P-wave velocity. It causes displacement of the receiver at the top of the domain...
2016