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The AAPG/Datapages Combined Publications Database
Showing 34,509 Results. Searched 200,639 documents.
Transverse Ribs: Their Characteristics, Origin and Paleohydraulic Significance
Emlyn H. Koster
CSPG Special Publications
... representing equation 2 is parallel to, and lies in the vicinity of, the data scatter. M. R. Stauffer (pers. comm., 1977) has pointed out the effect...
1977
Sorting of Sediments in the Light of Fluid Mechanics
Douglas L. Inman
Journal of Sedimentary Research (SEPM)
... be written [EQUATION (1)] The flow conditions near the boundary surface can be considered by examination of a vertical section based at the bottom...
1949
Comparison of Percentage and Ratio Data in Facies Mapping
W. C. Krumbein
Journal of Sedimentary Research (SEPM)
... that: [EQUATION (1)] The relations in equation (1) are shown graphically in figure 1. The upper portion shows arithmetic spacing of the percentage values...
1957
Visualising the Subsurface: From 2D to 3D
Jane Whaley
GEO ExPro Magazine
... and locally dolomitised, the latter creating a rubble-strewn surface that impedes geophone coupling and thereby reduces our ability to see what is going...
2007
Recollections - Portable Seismic Begins - A Life in the Field
Jon R. Horton
Petroleum History Institute
... – Horton resolved in part by shortening the geophone array between shot points but we never found a way of getting any info from under the basalt. I...
2009
The Prediction of Engineering Properties of Soils by Geophysical Exploration Method: Laboratory Ultrasonic and Field Seismic Refraction Tests at Khon Kaen, Thailand
L. Wannakao, W. Youngme, P. Wannakao
Geological Society of Malaysia (GSM)
...) .......................................................... Figure 3. (a) Tp determined from first arrival; (b) Ts determined from phase difference (T2-TI). (c) Figure 4. (a) geophone spreading...
1999
Development of a novel seismic acquisition system based on fully autonomous gliding ocean-bottom nodes
Fabio Mancini, Ben Hollings, Giorgio Mangano, Dhimitraq Gjini, Damien Dieulangard, Ted Manning, Henry Debens
International Meeting for Applied Geoscience and Energy (IMAGE)
... on laboratory experiments (reproducing the instability effect in a sandpit), passive-seismic sea trials, and computational fluid dynamics modeling...
2023
Nondestructive testing for wellbore integrity with distributed acoustic sensing
Ivan Lim Chen Ning, Mike Craven, Timothy Tokar, Saptarshi Dasgupta, Paul Benet, Michael Merlino, Craig Feherty
International Meeting for Applied Geoscience and Energy (IMAGE)
..., i.e., geophone arrays. The choice of seismic sources adds another layer of complexity to generating repeatable tube waves. Seismic sources with high...
2023
Characterization of Seismic Anomalies using Converted Waves: A Case History from East Natuna Basin
Lotfi Ben-Brahim, Ronan Petton, Michel Couderc, Agus Djamhoer
Indonesian Petroleum Association
.... Domenico, S., N., 1976, Effect of brine-gas mixture on velocity in an unconsolidated sand reservoir, Geophysics, Vol. 41, pp. 882-895. Garotta, R., 1991...
2000
Identification of Shallow Gas Potential by Seismic Attribute and Amplitude Versus Offset (AVO). A Case Study: Tunu, Mahakam Block Area
Ririn Irmaningsih, Ihda Arija Alfi Husna
Indonesian Petroleum Association
... derivative can identify several parameters, such as gas and fluid accumulation, gas lithology, tunning effect and changes in the sequence stratigraphy...
2016
The Global Offset Seismic Approach: Improving Seismic Imaging In Complex Geological Settings
Paolo Dell'Aversana
Petroleum Exploration Society of Australia (PESA)
... to undershoot high velocity 'shallow' layers that often can produce a shield effect for the propagating wave-field (Dell' Aversana et al., 2000- 2003...
2004
State of Seismic Prospecting
Andrew Gilmour
AAPG Bulletin
... is poor the reflection may not be recognizable. In many cases the expander or automatic volume control is built in to take effect before the first break...
1950
Self-Consistency in Scaling Relations for Seismicity Induced during Hydraulic Fracture Stimulations; #41367 (2014)
Sepideh Karimi, Adam Baig, Ted Urbancic, and Gisela Viegas
Search and Discovery.com
..., the interaction of stresses with pre-existing fractures and fracture complexity, initially thought as a second-order effect, appears to significantly...
2014
VSP Survey in the Thonex Geothermal Well New Characterization of Potential Carbonatic Geothermal Reservoirs, #80646 (2018).
Luca Guglielmetti, Andrea Moscariello, Flavio Poletto,, Piero Corubolo,, A. Scheifer,, B. Farina, Fabio Meneghini, Francois Martin, Carole Nawratil de Bono,, Michel Meyer, Chrystel Dezayes, Adnand Bitri
Search and Discovery.com
... lithologies; Evaluate the effect of faults on rock properties (reflectivity); Acquire an accurate velocity model to calibrate better the current interpretations...
2018
Kilometer-scale upward migration of hydrocarbons in geopressured sediments by buoyancy-driven propagation of methane-filled fractures
Jeffrey A. Nunn, Peter Meulbroek
AAPG Bulletin
... and Petrology, v. 96, p. 47-55. Mathias, P. M., 1983, A versatile phase equilibrium equation of state: Industrial and Engineering Chemistry, Process...
2002
New Formulas for Estimating Productivity of Horizontal Wells
Pudji Permadi
Indonesian Petroleum Association
... equations were originally derived for isotropic reservoirs. The effect of anisotropy was accounted for by modifying the vertical axis. This paper...
1993
Interrelations of Population Growth, Energy Supply, and Environment: DISCUSSION
David L. Mari
AAPG Bulletin
... capita consumption of electricity) can be demonstrated. However, the implication of a cause-and-effect relation, which pervaded Barbat's paper...
1974
Small Pores Have a Big Impact on Enhanced Recovery from Tight Oil Reservoirs
David Reichhardt, B. Todd Hoffman
Unconventional Resources Technology Conference (URTEC)
... effect on fluid flow and storage. Improved understanding between production and the pore scale will lead to more successful tight oil development...
2024
The Effect of High Pressure and Temperature Variations on the Hydraulic of Dual Gradient Drilling Operations Using Lifting Method
Bonar Tua Halomoan Marbun, Hafiz Adi Kurnia
Indonesian Petroleum Association
...The Effect of High Pressure and Temperature Variations on the Hydraulic of Dual Gradient Drilling Operations Using Lifting Method Bonar Tua Halomoan...
2012
Abstract: Grayson Field, Jurassic Smackover Reservoir, Columbia County, AR: A Case Study Using Leading Edge Reservoir Characterization Seismic Processing of 3D Seismic Data
Kevin B. Hill and William R. Meaney
Houston Geological Society Bulletin
... with Archie's equation. Unnumbered Figure. The average of the top 100 ft. of the Smackover indicates that there may be some low velocity areas...
2002
Clay Minerals and Log Analysis
Eric Eslinger, David Pevear
Special Publications of SEPM
... and the manner in which these tools have been used to determine the variables in the equation above can be found in several texts; these include Asquith...
1988
AAPG Archie Series, No. 1, Chapter 12: Low-resolution Techniques
Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia
AAPG Special Volumes
... analysis [Poupon et al., 1954], which use standard or high-resolution logs to solve the parallel-conductivity equation for sand-bed resistivity. The aim...
2006
Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)
Waheduzzaman Talukder and Ralph Phillip Bording
Search and Discovery.com
... effect and scattering of energy. Key words: Attenuation factor; centroid frequency down shift method; spectral ratio method; VSP Introduction...
2014
Fast Gauss-Newton full-wavefield migration
Siamak Abolhassani, Eric Verschuur
International Meeting for Applied Geoscience and Energy (IMAGE)
...* and Eric Verschuur, Delft University of Technology SUMMARY Since the appearance of wave-equation migration, many have tried to push this technology...
2022
Oil Swelling Measurement Techniques: Conventional Methods and Novel Pressure-Based Method
Sherif Fakher, Youssef Elgahawy, Hesham Abdelaal
Unconventional Resources Technology Conference (URTEC)
... rather than volume change. The general oil swelling equation is a relation between the volume of the swelled and unexposed oil. The main goal...
2020