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The AAPG/Datapages Combined Publications Database
Showing 33,416 Results. Searched 196,371 documents.
Physical Processes in the Ocean: Part 2: Relation of Oceanography to Sedimentation: PART 2
R. H. Fleming, Roger Revelle
AAPG Special Volumes
... since the surface stress of the wind will be partially balanced by the shear of the vertical velocity gradient. Under nearly all conditions, however...
1939
3.0 General Ramifications of Abnormal Pore Pressures
P. E. Gretener
AAPG Special Volumes
... and preservation of hydrocarbons will depend on other factors as well, in particular the prevailing average geothermal gradient. 3.9 Effect...
1981
Lift Forces on Suspended Sediment Particles in Laminar Flow: Experiments and Sedimentological Interpretation: NOTES
John B. Southard
Journal of Sedimentary Research (SEPM)
... the surrounding fluid, producing a relative velocity (3) the velocity gradient in the undistributed flow away from the particle is not constant...
1971
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
... the considered bed and facies interval. Lateral facies variations were modeled using a linear horizontal impedance gradient between each facies body within...
2007
Environmental and Geophysical Interpretation of Heat-Flow Measurements in Black Sea: Structure
Albert Erickson , Gene Simmons
AAPG Special Volumes
... of measurements, the gradients within each set have nearly the same shape and magnitude. Local horizontal variations in the thermal gradient are unlikely...
1974
Abstract: AVO Crossplotting I: Processing and Calibration Considerations; #90171 (2013)
Heath Pelletier
Search and Discovery.com
... a significant effect on the behavior of the data populations being interpreted in AVO crossplot space. Rotating intercept/gradient crossplot slopes (what Gidlow...
2013
Abstract: Near-surface S-wave Velocity from an up Hole Survey using Explosive Sources; #90187 (2014)
Saul E. Guevara, Gary F. Margrave, and William M. Agudelo
Search and Discovery.com
... velocity model is shown below. The horizontal polarization of the event also corresponds to S-waves. The S-wave detected on the horizontal component...
2014
Experimental Study on the Forming Conditions of Subaqueous Depositional Channels by Turbidity Currents
Bin Yu
Journal of Sedimentary Research (SEPM)
... gradient of the turbidity currents, the settling velocity of sediment, and the range of grain-sizes of the sediment in the turbidity currents were...
2011
Lightning Analysis for Mapping Faults and Identifying Exploration Sweetspots
Search and Discovery.com
N/A
Full Wave Acoustic Logging: Some Examples
John W. Minear
Southeast Asia Petroleum Exploration Society (SEAPEX)
... in the structural framework of the formation also influence their effect on mechanical properties. Consequently clay minerals may affect velocity ratio differently...
1984
Dynamic Non-Darcy Flow Compositional Numerical Simulation for CO2 Huff-n-Puff Development in Tight Oil Reservoir
Qiong Wang, Rui zhong Jiang, Yong zheng Cui, Gewei Liu
Unconventional Resources Technology Conference (URTEC)
...—The dynamically continuous effect of gas injection on oil-phase flow velocity in each Huff-Puff cycle In this work, following the development of Jiang and Xu...
2019
The Origins of Abnormal Fluid Pressures
Norman E. Smith, H. George Thomas
Houston Geological Society
... abnormal gradient in this case, not the most likely, because the differential should dissipate in geologic time. Table 1. Effect of a 2000-foot...
1971
Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey
Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham
Indonesian Petroleum Association
... this effect appears to be minimal. During depth velocity model building, the developing model was constantly monitored against geological knowledge...
2011
Prestack inversion and amplitude variation with offset attributes as hydrocarbon indicators in carbonate rocks: A case study from the Illinois Basin
Jacob T. Murchek, Paul McColgan, Lindell C. Bridges, Ernest C. Hauser, and Doyle R. Watts
AAPG Bulletin
... with positive or no gradient correspond to nonproducing zones. Prestack inversion of data shows high impedance zones confirming the presence...
2023
Abstract: Effect of Thermal Shock on P and S Wave Speeds in a Low-porosity Quartz Sandstone; #90174 (2014)
Wei Xie and Douglas R. Schmitt
Search and Discovery.com
... will focus on the effect of the 650℃ heating shock on the rock properties including the velocity and the elastic modulus. Further, based...
2014
The Influence of Fault Permeability on Single-Phase Fluid Flow Near Fault-Sand Intersections: Results from Steady-State High-Resolution Models of Pressure-Driven Fluid Flow
Stephan K. Matthai , Stephen G. Roberts
AAPG Bulletin
... into the higher part of the stratigraphy, and the gradient in the salt is steep to the effect that vertical gradients above the salt in the north are near...
1996
How to Make Velocity Corrections
John W. Daly
AAPG Bulletin
...How to Make Velocity Corrections John W. Daly 1944 615 628 28 5. (May) The fundamental assumptions in regard to velocity distribution and the effect...
1944
Reservoir Characterisation Through Integrated AVO, AI and EI Inversion
Andy Furniss
Indonesian Petroleum Association
... incidence reflectivity and gradient sections. Prestack AVO inversion produces a series of AVO reflectivity volumes by separating out the P-wave...
2002
Dynamics of Stream Flow and Environmental Control
Krishna K. Misra
Tulsa Geological Society
.... Velocity and Channel Characteristics. - Channel characteristics that affect the flow velocity of streams are its slope (gradient), size, shape, and bed...
1972
Effects of Toe-Up Vs Toe-Down Wellbore Trajectories on Production Performance in the Cana Woodford
Sam Browning, Ram Jayakumar
Unconventional Resources Technology Conference (URTEC)
.... The advent of horizontal drilling, coupled with multi-stage transverse fracturing has allowed for the economic recovery of hydrocarbons. Recovery...
2016
Porosity Reduction in Sandstone by Quartz Overgrowth
Frederic Leder, Won C. Park
AAPG Bulletin
... be the filtration velocity, ^phgr the porosity, and v the interstitial velocity (= v/^phgr). If the pressure gradient and fluid viscosity are constant...
1986
Torsion-Balance Survey of Esperson Salt Dome, Liberty County, Texas
Donald C. Barton
AAPG Bulletin
... at such a shallow depth that its lateral effect on the gradient is negligible within the areas of the present survey. The aver ge specific gravity of the salt...
1930
Hydromechanical Principles of Sediment Structure Formation
L.I. Briggs, G. V. Middleton
Special Publications of SEPM
... that for many fluids may be related to the velocity gradient by the equation I1 Thus the shear stress intensity is directly propor tional to the rate...
1960
Distinguishing Fracture Conductivity and Fracture Flux: A Systematic Investigation of Individual Fracture Contribution to Well Productivity
Aaditya Khanal, Ruud Weijermars
Unconventional Resources Technology Conference (URTEC)
... views of pressure depletion in production bench with wellbore horizontal in image and transverse fractures sets spaced at 60 ft. b) pressure gradient...
2020
Abstract: Estimation of the Quality Factor with Tomography Using the Complex Eikonal Equation; #90255 (2017)
Tatiana Espinosa, Carlos Piedrahita Escobar
Search and Discovery.com
... is an example of these media. Seismic images of geological structures underneath shallow gas often suffer from resolution degradation and the effect of amplitude...
2017