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The AAPG/Datapages Combined Publications Database
Showing 955 Results. Searched 196,369 documents.
A Method for Lithogenetic Subdivision of Pannonian (s. l.) Sedimentary Rocks: Chapter 8
A. Szalay, K. Szentgyorgyi
AAPG Special Volumes
... drawing (c) (opposite, bottom) shows an interpretation of parts A and B. Depth was converted to two-way traveltime using the velocity-depth functions...
1988
Analysis of Sonic Well Logs Applied to Erosion Estimates in the Bighorn Basin, Wyoming
Henry P. Heasler , Natalya A. Kharitonova
AAPG Bulletin
... by other workers (Rubey and Hubbert, 1959; Magara, 1976a; Sclater and Christie, 1980; Korvin, 1984). Linear porosity-depth relationships have been...
1996
Brine volume and salt dissolution rates in Orca Basin, northeast Gulf of Mexico
Robin S. Pilcher, Raleigh D. Blumstein
AAPG Bulletin
... and 4.3 mi) (Figure 2). The midwater seismic reflector occurs at a TWT of 3005 ms, equating to a depth of 2251 m (7385 ft) if an average seawater velocity...
2007
Hydraulic Stimulation in a Tight Gas Reservoir: Insights from Microseismic and Geomechanical Modeling and Interpretation
Claudio Rabe, Pierre-Francois Roux, Luisely Linares, Maximiliano Garcia Torrejon, Luis Alberto Vernengo, Diego R. Lachter
Unconventional Resources Technology Conference (URTEC)
... optimization in the deep tight gas well targeting Lajas Formation at 4300m depth, in Neuquén basin, onshore Argentina. The objectives of this work were (1...
2024
Divergent Wrench Faulting in the Belize Southern Lagoon: Implications for Tertiary Caribbean Plate Movements and Quaternary Reef Distribution
Maria Ester Lara
AAPG Bulletin
... on the synthetic seismograms. From left to right, columns show depth in well Palmetto Cay 1 (in feet), two-way traveltime in seismic section (in milliseconds), sonic...
1993
Multifocusing Stack Technique for Subsurface Imaging, #40749 (2011)
Sunjay Sunjay,
Search and Discovery.com
... constitutes a key first step that facilitates the estimation of a velocity model for depth imaging. For these reasons, improving the quality of time...
2011
Porosity prediction from seismic attributes of the Ordovician Trenton-Black River groups, Rochester field, southern Ontario
O. C. Ogiesoba
AAPG Bulletin
... in the Rochester field are due to the combined effects of low-velocity pushdown and faulting. Methods and results presented in this study can be used...
2010
Seismic Modeling of Acid-Gas Injection in a Deep Saline Reservoir
Search and Discovery.com
... Gassmann’s equations, the traveltime difference is seen to be on the order of a quarter millisecond for each 10 m thickness of the acid-gas plume...
2013
New tools for seismic stratigraphic interpretation: Stratal convergence and instantaneous isochron attribute cubes derived from volumetric flattening of experimental strata
Jesse Lomask, Jason M. Francis, James Rickett, Marc L. Buursink, Thomas P. Gerber, Martin Perlmutter, Chris Paola
AAPG Bulletin
... was created from a series of closely spaced images. Depth was converted to traveltime using a constant velocity, and gray-scale intensities (because...
2009
A cross-shape deep Boltzmann machine for petrophysical seismic inversion
Son Dang Phan and Mrinal K. Sen
AAPG Bulletin
... traveltime. Figure 11. The predicted shale volumetric (Vshale) section from a trained cross-shape deep Boltzmann machine network. CDP = common depth point...
2022
Use of Seismic Surveying with the Method of Regulated Directional Reception in Exploration for Reefs in the Southern Cis-Urals
F. I. Khat’yanov, Ya. I. Shul’ts, V. V. Kuryayeva
Petroleum Geology: A Digest of Russian Literature
..., exploration of the reef masses which occur at great depth (1500-2500 m) is difficult and expensive. Such exploration is carried out by combined geophysical...
1963
An approach to reduce exploration risk using spectral decomposition, prestack inversion, and seismic facies classification
Carlos Jesus, Wagner Moreira Lupinacci, Patricia Takayama, Joana Almeida, and Danilo Jotta Ariza Ferreira
AAPG Bulletin
.... Zdraveva, 2010, Building tilted transversely isotropic depth models using localized anisotropic tomography with well information: Geophysics, v. 75...
2020
4D Finite Difference Forward Modeling within a Redefined Closed-Loop Seismic Reservoir Monitoring Workflow, #41922 (2016).
David Hill, Dominic Lowden, Sonika, Chris Koeninger
Search and Discovery.com
.... Such an in depth understanding cannot be achieved using one of the more traditional Sim-to-Seis type workflows. Introduction The history of closed-loop seismic...
2016
Forward Modeling of Seismic Data: Part 7. Geophysical Methods
George Mellman, Paul A. Kunzinger
AAPG Special Volumes
..., two, or three dimensional and consist of depth horizons and associated P wave velocities, S wave velocities, and densities The most common use...
1992
Production Logging: Part 9. Production Engineering Methods
James J. Smolen
AAPG Special Volumes
... be encountered, are evaluated using flowmeters with fluid identification devices. The most effective technique with radioactive tracers is the velocity shot...
1992
Deep Sea Stratigraphy: Abyssal Sediment Waves
G. S. Mountain and B. E. Tucholke
AAPG Special Volumes
... traveltime and in depth. The accompanying line drawing in time shows irregular discontinuous reflectors immediately above the erosional unconformity...
1987
Mobile Shale in the Niger Delta: Characteristics, Structure, and Evolution
Richard W. Wiener, Michael G. Mann, Michael Terry Angelich, Joseph B. Molyneux
AAPG Special Volumes
...; obs. = observed; 50 km = 31.1 mi.Regional seismic velocity data were used for depth conversion of seismic lines and analysis of regional velocity...
2010
Effects of Methane Hydrate on the Physical Properties of Sediments
William J. Winters, William F. Waite, David H. Mason
AAPG Special Volumes
... measured compressional wave velocity (Vp) changes with the extent to which the pore material cements sediment grains. Hence, for equal effective stresses...
2009
Effect of Zechstein Supergroup (Z1 cycle) Werrahalit pods on prospectivity in the southern North Sea
John R. Underhill, Kirsten L. Hunter
AAPG Bulletin
.... The velocity effect has led to major discrepancies between prognosed and actual depth for deeper, highly prospective, Rotliegend Group, Leman Sandstone Formation...
2008
ABSTRACT:MULTICOMPONENT OBC (4C) PRESTACK TIME IMAGING OVER PAMBERI, LRL BLOCK, OFFSHORE TRINIDAD
Tony Johns, Carmen Vito and Raul Sarmiento
Geological Society of Trinidad & Tobago
... be achievable through depth tomography with more detailed anisotropic traveltime ray tracing. The remarkable amplitude differences noted (of shear...
2007
Three-Dimensional Seismic Analysis in the Characterization of a Giant Carbonate Field, Onshore Abu Dhabi, United Arab Emirates
Peter Melville, Omar Al Jeelani, Saeed Al Menhali, Jürgen Grötsch
AAPG Special Volumes
... with arrows).The combination of the 3-D seismic data and the well data to make a depth map has revealed a very good relationship of velocity to depth...
2004
Onshore–offshore correlations of Cretaceous fluvial-deltaic sequences, southern Baltimore Canyon trough
William J. Schmelz, Kenneth G. Miller, Gregory S. Mountain, James V. Browning, and Kimberly E. Baldwin
AAPG Bulletin
... surveys were primarily used to convert log measurements and biostratigraphic picks from depth to two-way traveltime (TWTT). Regional Time–Depth...
2020
The Role of Fault Interaction and Linkage in Controlling Synrift Stratigraphic Sequences: Late Jurassic, Statfjord East Area, Northern North Sea
Nancye H. Dawers and John R. Underhill
AAPG Bulletin
... has not been depth converted. Although velocity variations in detail may affect the patterns observed in synrift thickness and fault throw, well...
2000
Building a three-dimensional near-surface geologic and petrophysical model based on borehole data: A case study from Chemery, Paris Basin, France
Paola Sala, Marcel Frehner, Nicola Tisato, O. Adrian Pfiffner
AAPG Bulletin
... near-surface layer, or the velocity of the deeper unweathered layers (Telford et al., 1990). From the seismic traveltime-depth relationships measured...
2013
3.4 Detached Sediments: 3.4.2 Decollement Tectonics (B-Subduction) and Active Margins: Compressional Features Across the Caribbean Margin of Colombia
J. W. Ladd and M. Truchan
AAPG Special Volumes
... prism from CDP 1800, the top of oceanic crust projects to about 12 secs two-way traveltime at CDP 3200. With an average sediment velocity of 2 to 3 km...
1983