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The AAPG/Datapages Combined Publications Database
Showing 17,619 Results. Searched 195,372 documents.
Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)
Roohollah Askari, Robert J. Ferguson, and Helen Isaac
Search and Discovery.com
... bin size of 5m to increase fold so as to allow for a more stable phase velocity analysis. Figure 1 shows traces in a bin. As seen the maximum...
2014
Seismograph Interpretation as Related to Changes in Sedimentary Section in West Texas and New Mexico
John Daly , C. N. Page
AAPG Bulletin
... increase to the reef protuberance above the limestone plain. The extremely low values of velocity reached in the eastward part of the curve is essentially...
1952
Velocity for Pore Pressure Prediction Modeling and Risk Assessment
Selim Simon Shaker
GCAGS Transactions
... velocity over a depth interval; R, resistivity, and ρ, density), due to compaction, above and below the top of geopressure for his prediction method. He...
2016
Optimum Candidate Selection of Coiled Tubing Velocity String Application for Liquid Loaded Gas Wells
Satria Andrianata, Keken Rante Allo, Ade Lukman
Indonesian Petroleum Association
...-sectional flow area and increase velocity at certain wellbore section. The higher gas velocity provides more transport energy and gas velocity...
2017
Abstract: Multiple Reflections and Head Waves in Gulf of Suez, by S. N. Domenico; #90963 (1978).
Search and Discovery.com
1978
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
... porosity downflank with an increase of dense bodies in the middle of Zone B. OWC = oil-water contact.Sequence-Stratigraphic ArchitectureThe Upper Thamama...
2004
Abstract: Attenuation, Velocity Dispersion and the Fate of the Vibroseis Signal; #90211 (2015)
Bernd Milkereit, Flora Sun, Wei Qian, and Thomas Bohlen
Search and Discovery.com
... rise to a linear velocity increase with frequency (Cormier, 1989). To illustrate the effect of velocity dispersion on the Vibroseis correlation, we...
2015
Outlining Shale Masses By Geophysical Methods
A. W. Musgrave , W. G. Hicks
AAPG Special Volumes
... + at for linear increase in velocity with time. End_Page 130------------------------ Fig. 18. Wavefront chart based on velocity configuration shown...
1968
Machine Calculation of Migration Data
E. Usdin
Oklahoma City Geological Society
.... It is programmed to solve the migration problem for linear increase of velocity with depth. A sample print-out of a dip calculation is shown...
1958
Seismic Velocity Variations in San Joaquin Valley, California
Walter S. Olson
AAPG Bulletin
... be made to fit sufficiently well. Two curves which appear to answer the purpose are: the linear increase of velocity with vertical reflection time...
1941
The Impact of Pore Geometry and Microporosity on Velocity-Porosity Relationship in Carbonates of Central Luconia, Sarawak; #41030 (2012)
Nor Sara Izzatti Bashah and Bernard Pierson
Search and Discovery.com
... size, show good correlation with velocity. The addition of these macropores geometric parameters increase the R2 by 0.17. Combining microporosity data...
2012
An Automated Grain-shape Classifier
William H. Glezen, John C. Ludwick
Journal of Sedimentary Research (SEPM)
... the chute with an irregular motion, and as a result, the linear velocity of a grain entering the plane table is randomly variable among reruns of the same...
1963
Marine Geology of Sohm Basin, Canadian Atlantic Margin
Cynthia J. Ebinger , Brian E. Tucholke
AAPG Bulletin
... increase westward beneath the salt ridge (e.g., profiles 1-4, Figure 3). The shallow high-velocity layer (7.4 km/sec) below the salt ridge...
1988
Hybridised Weighted Boot-Strap Differential Semblance
Hamish Wilson, Lutz Gross
Petroleum Exploration Society of Australia (PESA)
... the peak representing the best move out velocity approximation. In this paper we introduce a new semblance scheme to reduce spectral noise and increase...
2016
Abstract: Velocity Dispersion in Field Seismic Data: Impact, Detection and Application; #90211 (2015)
Langqiu Sun
Search and Discovery.com
... by small velocity dispersion. Two cases have been investigated. The first was linear velocity dispersion, i.e. seismic velocity increasing with frequency...
2015
The Application of a Linear Increase of Velocity with Depth to Seismic Dip Migration
J. E. Stones
Oklahoma City Geological Society
...The Application of a Linear Increase of Velocity with Depth to Seismic Dip Migration J. E. Stones 1958 304 304 The purpose of this paper is two-fold...
1958
Measuring Behind Casing Water Flow
T. M. Williams
Indonesian Petroleum Association
... to measure vertical water flow in or behind multiple casings. This logging system can measure: • the direction of flow • the linear flow velocity...
1987
The Application of Velocities and Models to Seismic Interpretation
G. Jarrota
Indonesian Petroleum Association
.... This scale is non linear, which reflects the well known problem of obtaining high velocities with accuracy. Figure 1. Velocity analysis. The time...
1977
Time-Lapse Refraction Seismic I: A Complementary Monitoring Method?
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
.... A linear velocity model is of course an idealisation, but due to compaction, it is not a bad first order approximation for a setting where the subsurface...
2017
Chapter Ten-part 2: Depth Conversion
Leslie R. Denham, Dave K. Agarwal
AAPG Special Volumes
... reflection is recorded from a horizontal reflector, and the earth above the reflector (the overburden) has a uniform P-wave velocity V, the traveltime...
2011
Some Relations Among Sedimentation, Stratigraphy, and Seismic Exploration
W. C. Krumbein
AAPG Bulletin
... metamorphism. The decade 1940-1950 saw a large increase in the number of papers on the subject. In 1940 Beers noted velocity stratification in West...
1951
Abstract: Fault Dilatation Behaviour in the Kupe Field, Taranaki Basin, Offshore New Zealand
B. R Ilg, S. Ellis, M. Arnot, A. Nicol
Petroleum Exploration Society of Australia (PESA)
...), possibly indicating gas migration on these structures. In cross-section, low velocity anomalies are associated with clusters of antithetic faults above...
2008
An Investigation of Static and Dynamic Data Using Multistage Triaxial Test, #42184 (2018).
Abdullah Bilal, Michael Myers, Lori Hathon
Search and Discovery.com
... between the linear term and the measured velocity and the nonlinear term with the measured irrecoverable strains. The motivation behind this work...
2018
"Basement" to East Coast Continental Margin of North America
M. A. Mayhew
AAPG Bulletin
.../sec foundation under the banks is at about the same level as a refractor on a nearby profile under the Blake-Bahama basin which has a similar velocity...
1974
Western Canadian Continental Shelf
D. H. Shouldice
CSPG Special Publications
... aeromagnetic anomalies in the Queen Charlotte and Tofino basins. The Tofino basin trends are long, linear and approximately parallel to the western...
1973