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The AAPG/Datapages Combined Publications Database

Showing 271 Results. Searched 191,756 documents.

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Wave-Front Diagrams in Seismic Interpretation

H. R. Thornburgh

AAPG Bulletin

... to construct and study diagrams such as those of Figures 4 and 5 of this paper, he will learn several things of interest concerning time-distance curves...


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...


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...


Time-Dependent Hydrodynamic Models of Turbidity Currents Analyzed with Data from the Grand Banks and Orleansville Events

A. D. Kirwan Jr., L. J. Doyle, W. D. Bowles, G. R. Brooks

Journal of Sedimentary Research (SEPM)

... that the highest velocity shown by the Heezen-Ewing time-distance curves occurred at the break, 59 minutes after the event. Kuenen (1952) showed velocities...


Process-Response Patterns in Beach and Nearshore Sedimentation: I. Mustang Island, Texas

Richard A. Davis, Jr., William T. Fox

Journal of Sedimentary Research (SEPM)

... Variables By comparing time-series data of the various environmental variables, it is possible to recognize End_Page 855------------------------ FIG. 3...


Implementation of a Fractal Model for Analysis of Interference Test Data in a Naturally Fractured Reservoir

Dedy Kristanto, Doddy Abdassah

Indonesian Petroleum Association

... curves perform better than the conventional one, especially in evaluation of the early time data of the interference test, and the dimension of fractal...


Computer simulation of coastal-marine sedimentary sequences influenced by glacial-eustatic sea-level fluctuations

W. Lynn Watney, John French, Jan-Chung Wong

Kansas Geological Society

... time is also suggested between high-stand and low-stand deposition, at least in some situations. This will be the object of further discussion during...


Geophysical Prospecting for Oil

Donald C. Barton

AAPG Bulletin

... by the Rycade Oil Corporation and the writer. Published by permission of the Rycade Oil Corporation. Fig. 1B. Seismic method, travel-time-distance graph from...


Regional Unconformities of Flatlands

Frank A. Melton

AAPG Bulletin

... into the subsurface. Certain basic simplifying assumptions are necessary and are presented. A time-distance regional unconformity-diagram illustrates...


Consonance Logging: Old Concept - New Solutions

Mario J.C. Petricola

Indonesian Petroleum Association

... as there is no variation due to radial penetration. In heterogeneous formations, however, variations of shear transit time with distance from the wellbore...


Conditions of Turbidite Flow: Chapter VI: Part One. Study of Modern and Ancient Turbidites

Oscar E. Weser

AAPG Special Volumes

... the cable breaks occurred is shown in the small square of Figure 19. By plotting the distance between the cable locations and the time when the cables...


Effects of Abrasion Durability on Conglomerate Clast Populations: Examples from Cretaceous and Eocene Conglomerates of the San Diego Area, California

Patrick L. Abbott, Gary L. Peterson

Journal of Sedimentary Research (SEPM)

... conditions we have plotted all abrasion data as weight loss per time traveled. Time of travel is proportional to distance of travel in an actual fluvial...


Overview of Exploration Geophysics: Recent Breakthroughs and Challenging New Problems: Hydrocarbons

B. S. Flowers

AAPG Special Volumes

... autocorrelation. In either method of modeling, the periodicity and amplitude of the multiples change with time and distance, respectively. Moreover...


Overview of Exploration Geophysics--Recent Breakthroughs and Challenging New Problems

B. S. Flowers

AAPG Bulletin

... of the multiples change with time and distance respectively. Moreover, the water-bottom reverberations of multiples and of primaries have distinctly...


Post-Paleocene Evolution of Regional Groundwater Flow-Systems and Their Relation to Petroleum Accumulations, Taber Area, Southern Alberta, Canada

J. Toth, T. Corbet

CSPG Bulletin

... under various boundary conditions and at different stages of evolution. These features may then be used to characterize observed situations...


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)

... symmetrically by 0.5 m per 10 m horizontal distance from the centre of the spread. The resulting travel-time curves from shots Sf and Sr show apparently 3...


A Novel Method of Deriving Weathering Statics from First Arrival Refractions

G. W. Hollingshead, R. R. Slater

Pacific Section of AAPG

... of work done earlier in refraction interpretation using delay time curves (5). The supporting mathematics are presented in Appendix A for those interested...


The Use of Pseudofunctions in the Up-Scaling of Reservoir Simulation Models

Erie Soedarmo, Wiria Tirtasudira

Indonesian Petroleum Association

... of saturation on time, t, and distance traveled, x, as: and the derived characteristic slope, or the fluid saturation velocity, dx/dt, is: Equation 2...


Section VI: Conditions of Turbidite Flow

New Orleans Geological Society

... where the cable breaks occurred is shown in the small square of Figure 18. By plotting the distance between the cable locations and the time when...


Possible Mechanism for Concentration of Brines in Subsurface Formations

J. D. Bredehoeft , C. R. Blyth , W. A. White , G. B. Maxey

AAPG Bulletin

... per unit time P = permeability A = cross-sectional area i = hydraulic gradient. [EQUATION] where h = differential head l = average distance traveled...


Abstract: Effect of flocculation on the grain-size spectra of fine-grained turbidites

Trecia M. Schell, Paul S. Hill

Atlantic Geology

... as it evolves with time and distance. The "flocculation limit" (Schell, 1996) is a proxy for determining the degree of flocculation that was active...


Abstract: Partition Coefficient (Kd) of Heavy Metals for Contaminant Transport Modeling

W. Y. Wan Zuhairi, Y. L. Chong

Geological Society of Malaysia (GSM)

.... Universiti Kebangsaan Malaysia In groundwater contaminant transport modeling, with the help of groundwater modeling, scientist can predict the time...


Visualizing Thin Sands by Advanced Seismic Interpretation

Sarah G. Stanley

GEO ExPro Magazine

... interpretation may not delineate thin sands. ­However, through the use of ­horizon attributes, various seismic attributes, and the spectral decomposition...


An Investigation of the Problem of the Estimation of Gas Reserves

J. Versluys

AAPG Bulletin

... by opening and closing a valve, we are able to make the pressure, p, vary with the time, t, and with the distance, ^rgr, from the venting well. This venting...


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