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...

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...

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...

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...

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...

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...

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...

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...

ABSTRACT: Groundwater Investigation Using Combined Geophysical Methods, by Alisiobi, Amarachi R.; Ako, B. D. ; #90142 (2012)

Search and Discovery.com

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...

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...

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...

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...

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...

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...

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...

A way to estimate the vibroseis high production acquisition efficiency

Lu Jiaotong, Zhang Qinghuai, Meng Xiangshun

International Meeting for Applied Geoscience and Energy (IMAGE)

... will calculate the distance and time interval between any two fleets then compare with the T-D rules. If the T-D point below the t-d curve, it means...

3D large residual static corrections based on first breaks in CMP gather

Feng Faquan, Deng Zhiwen, Cai Xiwei, Hu Chaojun, Huang Yuanyi, Zou Xuefeng, Du Zhongdong, Wang Haili, Wang Mingliang

International Meeting for Applied Geoscience and Energy (IMAGE)

... applied, the time-distance relationship in CMP gather changes from uneven to smooth and orderly. So we can evaluate the accuracy of statics...

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...

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...

A study on how simultaneous sweeping rate affects high productivity seismic acquisition

Bai Jie, Wang Changhui, Zhai Lixin, Zhou Heng, Deli Peng, Zhou Datong

International Meeting for Applied Geoscience and Energy (IMAGE)

... is defined by a curve in both the time and spatial domains, known as the Time-Distance rule. These define the time a vibroseis fleet needs to wait before...

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...

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...

PWD-PINN: Slope-assisted seismic interpolation with physics-informed neural networks

Francesco Brandolin, Matteo Ravasi, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

...-distance prediction error filters (T-X PEF - Claerbout and Brown 1999) and plane-wave destructor filters (PWD - Fomel 2002). In the latter approach, seismic...

Geophysical Lecture

E. R. Deutsch

CSPG Bulletin

... paths. The depth to a certain horizon as computed from the refraction time-distance curve may be too low or too high, depending on one's choice...