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The AAPG/Datapages Combined Publications Database
Showing 282 Results. Searched 196,371 documents.
Depth of bedrock in the Seal Cove river valley, Newfoundland: a geophysical case study
E. Scott Schillereff, Hugh Miller, John E. Gale
Atlantic Geology
... velocities, and a clearly defined crossover distance. Stations 211 and 214 show three velocity segments on time-distance curves, and are interpreted as three...
1987
Arkose, Subarkose, Quartz Sand, and Associated Muds Derived from Felsic Plutonic Rocks in Glacial to Tropical Humid Climates
Peter C. van de Kamp
Journal of Sedimentary Research (SEPM)
... compositions of over 600 modern nonmarine, first-cycle sands and muds produced from felsic crystalline basement provenance in various tectonic settings...
2010
Measuring Behind Casing Water Flow
T. M. Williams
Indonesian Petroleum Association
... by an amount determined solely by the travel time; that is, by the distance between detectors and the linear velocity of the water. Consequently, the ratio...
1987
Lime Mud Deposition and Calcareous Algae in the Bight Of Abaco, Bahamas: A Budget
A. Conrad Neumann, Lynton S. Land
Journal of Sedimentary Research (SEPM)
..., Geologic time-distance rates: the Bubnoff Unit: Geol. Soc. America Bull., v. 80, p. 549-552. FOLK, R. L., R. ROBLES, 1964, Carbonate sands of Isla Perez...
1975
Relative Changes in Sea Level and its Effect Upon Carbonate Deposition
Christopher G. St. C. Kendall, Wolfgang Schlager
Oklahoma City Geological Society
... geologic time, producing characteristic responses in carbonate deposition. Relative rises in sea level, usually caused by cumulative effects of tectonic...
1985
Chemostratigraphic Correlation of Miocene Turbidite Sequences Offshore Sabah, Malaysia
John Woods, Gamal Ragab Gaafar, Shin Ni Chai
Indonesian Petroleum Association
... source. There is no significant change in provenance occurring through time. Distance from source does not appear to significantly change the key...
2012
An Application of the Theory of Sediment Transport by Turbidity Currents to the Dredging of Navigable Channels
John S. Bradley
Journal of Sedimentary Research (SEPM)
... of the mud remains fragmental. They further note that their model makes no accounting of time or of distance moved by the sediments and that a steady...
1956
Granite and Limestone Velocity Determinations in Arbuckle Mountains, Oklahoma
B. B. Weatherby, W. T. Born, R. L. Harding
AAPG Bulletin
... to 400 feet. Due to unusual precautions, the short-span data are accurate to 2 per cent. The long-span data give a straight line time-distance graph...
1934
Skewness as a Paleoenvironmental Indicator
Hardarshan S. Valia, Barry Cameron
Journal of Sedimentary Research (SEPM)
..., were subjected to transportation for a greater length of time, or the velocity fluctuation toward the higher values occurred more often than normal...
1977
Cement Sequence Stratigraphy in Carbonates: PERSPECTIVE
C.J.R. Braithwaite
Journal of Sedimentary Research (SEPM)
... substitutio with time or distance, as in the transition from polygon (ii) to (iii). In an analogous manner, changes along the basin margin might...
1993
Theory and Applications of Time Series Analysis to Wireline Logs: Chapter 5
John H. Doveton
AAPG Special Volumes
.... The wave will repeat at an interval set by its frequency, which is the number of cycles per unit of time or distance. Because we are working...
1994
Acoustic Properties of Sediment on the Southern Tonga Platform as Determined from Seismic Sonobuoy Studies
Jonathan R. Childs
Circum Pacific Council Publications
... to determine the distance from the ship to the sonobuoy. Careful recording of the direct arrival time obviates the requirement that both ship velocity...
1985
GlossaryยStrike-Slip Deformation, Basin Formation, and Sedimentation
Kevin T. Biddle, Nicholas Christie-Blick
Special Publications of SEPM
... 382 1970 Structural Mountains geology FISCHER A p 332 406 ed 1967 International Tectonic G 1969 Geologists Memoir Geologic time distance...
1985
The Distribution of Foraminifera and Ostracoda Off the Gulf Coast of the Cape Romano Area, Florida
William K. Benda , Harbans S. Puri
GCAGS Transactions
... reckoning and by compass-elapsed-time-distance traverses in the open gulf region. Remaining stations were located by dead reckoning. Samples were stored...
1962
Last Major Glaciation of Kenai Lowland
Richard D. Reger, DeAnne S. Pinney
Alaska Geological Society
... and others, 1996) (fig. 3). Figure 2. Relation of radiocarbon dates and Lethe tephra to time-distance curve for Naptowne glaciation in Kenai Lowland...
1997
Carbon Capture and Storage (CCS) Subsurface Modeling for Risk Identification
Monzurul Alam, Assef Mohamad-Hussein, Qinglai Ni, Ngurah Beni Setiawan, Bayu Wisnubroto
Indonesian Petroleum Association
...tion as: ๐๐ ๐๐ก = ๐ผ ๐2 ๐ ๐๐ 2 (2) ๐ก is time and ๐ is the distance from the wellbore wall. ๐ผ is the thermal diffusivity of the medium def...
2023
Fluid Mechanics of Deep-Well Disposals
A. F. Van Everdingen
AAPG Special Volumes
...------------------------- Fig. 2. Qt curves give cumulative volume of fluid injected into a well if from time zero a pressure differential of 1 atm is maintained. Table II...
1968
Understanding and Quantifying Variable Drainage Volume for Unconventional Wells
Asal Rahimi Zeynal, Sudhendu Kashikar
Unconventional Resources Technology Conference (URTEC)
... have developed a methodology that uses the spatio-temporal dynamics of microseismic events (time and distance of events from the wellbore...
2016
Using Fluid-Induced Microseismics to Image Permeability
Andrew King, Tobias Mรผller
Unconventional Resources Technology Conference (URTEC)
... front which, in a homogeneous medium, lies at a distance proportional to the square root of time, and dependent on the permeability. In a medium...
2016
Preliminary modeling of the long-term fate of CO2 following injection into deep geological formations
Brian R. Strazisar, Chen Zhu, Sheila W. Hedges
Environmental Geosciences (DEG)
... and S represent concentrations in fluid and solid matrix, respectively; t denotes time; x is the distance; b is the bulk density of the aquifer...
2006
Outcrop Cycle Stratigraphy of Shallow Ramp Deposits: The Late Cretaceous Series on the Castillian Ramp (Northern Spain)
Marc Floquet
Special Publications of SEPM
...) must have been pronounced from this time onward. Cumulative thickness curves for the different series in the various domains of the Castilian ramp...
1998
Discrimination of Microseismicity Caused by Proppant Injection Using Microseismic Waveform Clustering: The Horn River Basin Case Study
Satoshi Ishikawa, Naoyuki Shimoda, Hiroyuki Tokunaga
Unconventional Resources Technology Conference (URTEC)
.... (2019) and Maxwell et al. (2004). According to the time-distance plot, within 500 seconds of starting injection, a linear time-elapsing trend...
2019
Yesterday, Today, and Tomorrow in Seismic Exploration
Emil J. Mateker, Jr.
GCAGS Transactions
... of such velocity measures. However, our stated objective is much more ambitious, and requires that we use much more of the recorded time-distance data than...
1970
Paleozoic Limestone of Turner Valley, Alberta, Canada
W. D. C. Mackenzie
AAPG Bulletin
... speculation; theories on time and distance of migration depend on each individual interpretation of the orogenic history. In the writer's opinion...
1940
Measurement of the Thickness of the Earth's Crust in the Albertan Plains Area of Western Canada
T. C. Richards
CSPG Bulletin
... time-distance relation of a reflection shows a marked increase in energy content at a distance not less than about 100 kms. where its velocity is about...
1958