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The AAPG/Datapages Combined Publications Database
Showing 282 Results. Searched 196,360 documents.
Seismic Weathered or Aerated Surface Layer
O. C. Lester, Jr.
AAPG Bulletin
... the "unweathered" velocity on the time-distance curve. This curve is shown as curve (A) in Figure 2. FOOTNOTE 1. A. B. Wood, A Textbook on Sound, pp...
1932
Use of Record Character in Interpreting Results and Its Effect on Depth Calculation in Refraction Work
T. L. Allen
AAPG Bulletin
...------------------------------ PLATE 1. TIME-DISTANCE CURVES End_Page 1213------------------------------ their results showed a gradual thinning of the sedimentary beds...
1932
Wave-Front Diagrams in Seismic Interpretation
H. R. Thornburgh
AAPG Bulletin
.... Coincident-time curves are worthy of study. Wherever they intersect the ground surface, there is a "nick" or "break" in the time-distance curve...
1930
A Novel Method of Deriving Weathering Statics from First Arrival Refractions
G. W. Hollingshead, R. R. Slater
Pacific Section of AAPG
.... Figure 1 is a typical shot record showing a linear time-distance plot, T = X/V, in both directions from the shot point. From the relationship Figure 1...
1980
Conditions of Turbidite Flow: Chapter VI: Part One. Study of Modern and Ancient Turbidites
Oscar E. Weser
AAPG Special Volumes
... broke, a time-distance curve can be drawn as shown in Figure 20. The resultant exponential curve indicates a velocity of 40 knots for the turbidity...
1977
Implementation of a Fractal Model for Analysis of Interference Test Data in a Naturally Fractured Reservoir
Dedy Kristanto, Doddy Abdassah
Indonesian Petroleum Association
... is a function of dimensionless time and distance. Based on this equation, the formulation for Interference Test case is then developed by involving several...
2000
Some Applications and Problems of the Seismic Refraction Technique in Civil Engineering Projects in Malaysia
B. K. Lim, S. J. Jones
Geological Society of Malaysia (GSM)
... in reality is a gradational one. Time—distance plots of the first arrivals of the refracted waves usually show a gradual curve as in Fig. 4. The problem...
1982
Section VI: Conditions of Turbidite Flow
New Orleans Geological Society
... the cables broke, a time-distance curve can be drawn as shown in Figure 19. The resultant exponential curve indicates a velocity of 40 knots for the turbidity...
1975
Pressure Transient for Interference Test Data in Kamojang Geothermal Wells Using New Concept of Fractal Model
Salis S. Aprilian, Doddy Abdassah, Leksono Mucharam, R. Sumantri
Indonesian Petroleum Association
... type curve method, the pressure test data, in this case, can not match to the curve, primarily at early time data. The match, however, can be achieved...
1993
ABSTRACT: Groundwater Investigation Using Combined Geophysical Methods, by Alisiobi, Amarachi R.; Ako, B. D. ; #90142 (2012)
Search and Discovery.com
2012
Granite and Limestone Velocity Determinations in Arbuckle Mountains, Oklahoma
B. B. Weatherby, W. T. Born, R. L. Harding
AAPG Bulletin
.... Although their average velocity values are somewhat higher, they are undoubtedly influenced by the high velocity portion of the time-distance curve since...
1934
Groundwater Investigation Using Combined Geophysical Methods, #40914 (2012)
Amarachi R Alisiobi, B. D. Ako
Search and Discovery.com
... in the survey. The results of interpretation of the seismic refraction time-distance graph and VES curve were used to construct geo-sections showing...
2012
Real-Time Applications for Geological Operations: Repeatable AI Use Cases
Alfio Malossi, Davide Baldini, Federica Ferrari, Arcangelo Di Palo, Ada Crottini, Chiara Marini, Cesare Ursini
Unconventional Resources Technology Conference (URTEC)
... the distance and time of arrival to a given geological event, such as the casing point. These three models have been developed and tested in two different...
2021
Assessing the Adsorption Capability of a Clay Soil
Tan Boon Kong
Geological Society of Malaysia (GSM)
... limiting or trigger levels of pollutants at monitoring positions over specified time and distance for acceptance or rejection of fill design...
1993
NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers
E. Blias
Search and Discovery.com
... azimuthal orientation. Let d be the source-receiver distance and dx and dy be the x and y progection of the sourse-receiver segment, Į is an azimuth, fig...
Unknown
NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers
E. Blias
Search and Discovery.com
... azimuthal orientation. Let d be the source-receiver distance and dx and dy be the x and y progection of the sourse-receiver segment, Į is an azimuth, fig...
Unknown
Fundamentals of sequence stratigraphy
Wolfgang Schlager
Special Publications of SEPM
... HS incised valley T sf ts bf B) Time-distance section correlative conformity (sequence boundary) alluvial to estuarine shoreface marine SMST...
2005
Skewness as a Paleoenvironmental Indicator
Hardarshan S. Valia, Barry Cameron
Journal of Sedimentary Research (SEPM)
..., positive skewness is due to the competency of the unidirectional flow of the transporting media where the coarse end of the size frequency curve...
1977
Pretreatment Techniques for Particle-size Analysis of Dust Samples from High Volume Sampler Filter Papers: RESEARCH METHOD PAPER
L. Kiefert, G. H. McTainsh, W. G. Nickling
Journal of Sedimentary Research (SEPM)
... source areas, transport time and distance (Schutz and Jaenicke 1974; McTainsh and Walker 198; Prospero 1990), but few studies are published using High...
1992
Late Quaternary Sea-Level Changes in Maine
Daniel F. Belknap, Bjorn G. Andersen, R. Scott Anderson, Walter A. Anderson, Harold W. Borns Jr., George L. Jacobson, Joseph T. Kelley, R. Craig Shipp, David C. Smith, Robert Stuckenrath Jr., Woodrow B. Thompson, David A. Tyler
Special Publications of SEPM
... more detailed information on ice-front and shoreline positions on time-distance diagrams, but he did not attempt to construct a sea-level curve...
1987
Bed Configurations
Gerard Middleton, John B. Southard
Special Publications of SEPM
... P1 in Figure 7.1, on the upper part of the curve for the given q. Since the bottom rises by a positive distance ih = h02 - h01, by Equation (7.5...
1984
A Breakthrough in the Seismic Exploration Result on Small Oil Fields
G. Valeev, R. Enikeyev, T. Shestoukh
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... from velocity analysis so far as the hyperbolic approximation has been proved for the CCP time distance curves in 3 INTERPRETATION A common place...
2004
Hydraulic Interpretation of Grain-size Distributions Using a Physical Model for Bedload Transport
J. S. Bridge
Journal of Sedimentary Research (SEPM)
... and downward directed turbulent fluctuations varies with time, distance from the boundary, position relative to bed-sediment waves (if present...
1981
An Integrated Geophysical Analysis of Shallow Faulting in the Wasatch Fault Zone Near Springville, Utah County, Utah
Alvin K. Benson, Nathan Brett Mustoe
Utah Geological Association
... as the criterion for interpretation. In addition, parallel travel-time segments that are offset on the time-versus-distance curve also indicate faulting...
1995
Fluid Mechanics of Deep-Well Disposals
A. F. Van Everdingen
AAPG Special Volumes
... than the other--the maximum improvement will Fig. 3. Curve represents pressure increase in a reservoir (at time t and at distance r from injection...
1968