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The AAPG/Datapages Combined Publications Database
Showing 30,474 Results. Searched 200,293 documents.
Abstract: Non-First-Break Solution for Shallow Velocity Anomaly Problem; #90211 (2015)
Emil Blias
Search and Discovery.com
... to determine shallow velocity structures and remove their influence on stacking velocities and imaging. This technology includes four main steps: (i) High...
2015
Flow Transformations in Particulate Gravity Currents
Dave Waltham
Journal of Sedimentary Research (SEPM)
.... The drop in velocity can result in a dramatic increase in sediment loss from the flow, which is important in its own right but can also indirectly influence...
2004
Ultrasonic measurements of elastic anisotropy of granitic rocks for enhanced geothermal reservoirs
Mayra D. L. Carrasquilla, Jake Parsons, Teng Long, Min Sun, Yingcai Zheng, De-Hua Han
International Meeting for Applied Geoscience and Energy (IMAGE)
... and the effect of S-wave velocity; đťś– symbolizes the relative difference between the velocities of the P-wave in the propagation direction and perpendicular...
2023
Entrainment and Distribution of Different Sand Sizes Under Water Waves
Peter Nielsen
Journal of Sedimentary Research (SEPM)
.... L., AND ISAACS, F. D., 1977, The motion of a small sphere in a rotating velocity field: a possible mechanism for suspending particles in turbulence...
1983
Effect of Mineralogy on NMR, Sonic, and Resitivity: NMR, Sonic, and Resistivity: A Case Study of the Monterey Formation
Saul Rivera, Manika Prasad
Unconventional Resources Technology Conference (URTEC)
... factors taken into consideration for the placement of ultrasonic crystals for velocity measurements under pressure. The first is the direction...
2014
Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad
Tony Johns
Search and Discovery.com
... for a VTI medium (Thomsen, 1986), using parameters G and H. Anisotropy has a greater influence on the description of the velocity for S-wave than with P...
Unknown
Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad
Tony Johns
Search and Discovery.com
... for a VTI medium (Thomsen, 1986), using parameters G and H. Anisotropy has a greater influence on the description of the velocity for S-wave than with P...
Unknown
Interpretation Methods in the Exploration of Oligocene-Miocene Carbonate Reservoirs, Offshore Northwest Madura, Indonesia
David C. Carter, Dwi Mandhiri, Robert K. Park, Imron Asjhari, Syaiful Basyuni, Sergey Birdus, John P. Bradfield, Ary Iriawan, Meutia Nasfiah, M.A. Agung Nugroho
Indonesian Petroleum Association
... use of isochrons, amplitude, variance images, amplitude versus offset (AVO), acoustic impedance, seismic facies and detailed velocity estimation...
2005
Comparison of Marcellus Fracturing Using Azimuthal Seismic Attributes Versus Published Data From Outcrop Studies
Tanya L. Inks, Terry Engelder, Jacki S. Hocum, Bruce Golob, Darien O'Brien
Unconventional Resources Technology Conference (URTEC)
... in the “Vfast” direction and over-estimation of the velocity in the “Vslow” direction for horizontally anisotropic media. In addition to improving...
2014
Imaging of Subsurface Velocity Structure on Volcanic Area of South East Java: An Application of Passive Seismic Ambient Noise Tomography for Sub-Volcanic Hydrocarbon Exploration
Pongga Wardaya, Erlangga Septama, Vida Irine Rossa, Richie Rahmat Pratama, Rusalida Raguwanti
Indonesian Petroleum Association
..., 7, and 8. Some 2D depth sections of the shear wave velocity profile for selected lines in West-East direction are shown in Figure 9. Consistent...
2021
The Influence of Natural Fractures on Hydraulic Fracture Propagation; #40583 (2010)
Jon Olson and Arash Dahi-Taleghani
Search and Discovery.com
...The Influence of Natural Fractures on Hydraulic Fracture Propagation; #40583 (2010) Jon Olson and Arash Dahi-Taleghani The Influence of Natural...
2010
Evidence for Temperature-Adjusted Sediment Distributions in the Back-Barrier Tidal Flats of the East Frisian Wadden Sea (Southern North Sea)
F. Krögel, B. W. Flemming
Special Publications of SEPM
... generally 0 5 1 0 g All grain size analyses of the sand fractions were carried out by measuring their settling velocity distributions on a computer...
1998
Facies, Diagenesis and Petrophysics of a Prograding Carbonate Platform Margin, Neogene, Great Bahama Bank
Gregor P. Eberli, Flavio S. Anselmetti, Leslie A. Melim, Jeroen A. M. Kenter
CSPG Special Publications
... on the evolution of the pore types. An extensive suite of petrophysical analyses showed that the most important factor controlling velocity and permeability...
1997
Numerical Modeling of Ooid Size and the Problem of Neoproterozoic Giant Ooids
Dawn Y. Sumner, John P. Grotzinger
Journal of Sedimentary Research (SEPM)
... the center of the model. The magnitude and direction of velocity change sinusoidally in time, but at a given time the direction is the same throughout...
1993
Differential Compaction Influences on Structure in West Cameron Block 225 Field
William R. Finley
GCAGS Transactions
... and net sand maps from West Cameron Block 225 Field were chosen to illustrate this concept where several channel sands are seen to strongly influence...
1990
The Basement Configuration of the North West Java Area
Suyitno Patmosukismo, Ibrahim Yahya
Indonesian Petroleum Association
... static corrections, AMCO - D spatial enhancement 4 ms/trace, deconvolution, velocity analyses veloscan, CNVT, etc.). In the field, shooting was carried...
1974
Significance Of Skewness In Recent Sediments, Western Pamlico Sound, North Carolina
David B. Duane
Journal of Sedimentary Research (SEPM)
... these inlets under the influence of flood and ebb tides moves clastic material first in one direction and then in the opposite direction depositing...
1964
Application of Seismography to Geological Problems
Eugene McDermott
AAPG Bulletin
... at right angles to the direction of travel of the disturbance. In all that follows, longitudinal waves only are considered. The velocity of the transverse...
1931
Delineation of a Thin Sandstone Reservoir Using Seismic Lithologic Modeling in the Taber-Turin Area, Alberta
Tom Guidish and Marc DeBuyl
AAPG Special Volumes
... modeling process is first applied to the 3-D seismic data set in the in-line direction to produce a series of adjacent 2-D velocity models that, when...
1987
2D Vp modeling of the Albian-Cenomanian section using geological constraints, 3D extrapolation, and GRV uncertainty analysis of Aptian presalt reservoir: A Santos Basin example
Vitor Novellino, Alexandre Maul, MarĂa González, Fernando Freire
International Meeting for Applied Geoscience and Energy (IMAGE)
...-Cenomanian, exerts a great influence on velocity modeling. Regions with more siliciclastic lithofacies will have relatively lower Vp than regions with more...
2024
Optimized characterization workflow for naturally fractured reservoirs using seismic anisotropy attributes in the Middle Magdalena Valley basin, Colombia
Oscar Moreno, Enrique Casaña, Luis Figuera, Iván Higuera, Diego GarcĂa, Jorge Acosta, Benjamin Roure
International Meeting for Applied Geoscience and Energy (IMAGE)
... option involves the use of seismic anisotropy attributes derived from azimuthal variations of seismic velocity, AVO Gradient or Vp/Vs ratio. Assuming...
2023
Effects of liquefied beds on the basal layers of turbidity currents
DĂ©bora Karine Koller, Carolina Holz Boffo, Tiago Agne De Oliveira, Rafael Manica
Journal of Sedimentary Research (SEPM)
... with the compacted bed and the loose beds. Furthermore, in all experiments there was an increase of the near-bed velocity component in the flow direction ( u b...
2025
Optimizing Proppant Placement in Rough-Walled Rock Fractures
Min Zhang, Maša Prodanović
Unconventional Resources Technology Conference (URTEC)
... into the fracture and also gives a more even proppant placement within the fracture, while the influence of injection velocity for the horizontal fracture...
2019
Field Scale Proppant Transport Simulation and Its Application to Optimize Stimulation Strategy
Rui Kou, George J. Moridis, Tom Blasingame
Unconventional Resources Technology Conference (URTEC)
...ous study (Kou et al., 2018) that the Di Felice model is capable of accurately matching the experimental terminal velocity for a wide range of Reynolds numb...
2018
Large-Scale Pore Pressure Prediction After Pre-Stack Depth Migration in the Caspian Sea (Geophysics Paper 24)
Norbert van de Coevering, Hazim Hameed Al-Dabagh, Liau Min Hoe, Tony Jolly
Geological Society of Malaysia (GSM)
... density and velocity. Many observed large differences between the bit-size and borehole-size logs support this argument. This will influence both log...
2008