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The AAPG/Datapages Combined Publications Database

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Facies and Stratigraphic Controls on Velocity Anomalies in The North Madura Platform, Offshore East Java Basin

Fithra Harris Darmawan, Shakila Bt Mustaffa, Aditya Kusuma Wijaya, M Nauvall Juliansyah, Geovani Kaeng

Indonesian Petroleum Association

... in the North Madura Platform: vertical velocity variation, lateral velocity variation, pull-up effect, and push-down effect. These phenomena have affected...

2019

Lithoprobe Basin-Scale Seismic Profiling in Central Alberta: Influence of Basement on the Sedimentary Cover

D.W. Eaton, B. Milkereit, G.M. Ross, E.R. Kanasewich, W. Geis, D.J. Edwards, L. Kelsch, J. Varsek

CSPG Bulletin

...; on the basis of onlapping relationships and systematic traveltime-difference minima with respect to the Second White Specks reflection, it appears to have...

1995

Inversion of magnetotellurics data with enhanced structural fidelity

Federico Golfré Andreasi, Simone Re, Federico Ceci, Luca Masnaghetti

Petroleum Exploration Society of Australia (PESA)

... this approach can be used to complement the seismic imaging. Table 1. Values used for converting the velocity into the resistivity. Velocity [m/s] [600,2000...

2019

ABSTRACT: VSP and Seismic Integration: Enhancing Reservoir Characterization; #90115 (2010)

Udeme Udofia and Lawal N. Kurfi

Search and Discovery.com

...ABSTRACT: VSP and Seismic Integration: Enhancing Reservoir Characterization; #90115 (2010) Udeme Udofia and Lawal N. Kurfi VSP and Seismic...

2010

Addressing the complex near-surface challenges in the Delaware basin through recent FWI advancements

Ali Mohamed, Dmitry Kulakov, Daniel Suren, Wilfrid Milan, Larry Holifield, Vasudhaven Sudhakar

International Meeting for Applied Geoscience and Energy (IMAGE)

... a high velocity layer system, in addition to the strong lateral velocity variation due to evaporite dissolution which is known as Cenozoic fill...

2022

Abstract: Anisotropy Measurements in a Multi-faced Core Sample by using Pulse Transmission Method; #90174 (2014)

Jaime Meléndez Martínez, Douglas R. Schmitt, and Randolph Kofman

Search and Discovery.com

... times were measured both during pressurization and depressurization. An incremental change in velocity can be observed as pressure increased...

2014

Critical Analysis of Stack Seismic Systems: DISCUSSION

Richard H. Hopkins

AAPG Bulletin

... to parallel the bedding, a fact which would minimize the effect of velocity changes. The effect of changes of interval velocity which cause diversion...

1967

Predicting Pore Pressure in Carbonates: A Review; #41830 (2016)

Sam Green, Stephen A. O'Connor, Alexander P. Edwards

Search and Discovery.com

... (PSTM) gathers combined with VSP data for time/depth conversion, a variety of velocity interpretations were generated; a) high density picked NMO, b...

2016

Stress, Fracture, and Fluid-flow Analysis Using Acoustic and Electrical Image Logs in Hot Fractured Granites of the Coso Geothermal Field, California, U.S.A.

Nicholas C. Davatzes, Stephen H. Hickman

AAPG Special Volumes

... fluid acoustic velocity profile, or (4) calibrate the traveltime data to an independent mechanical caliper log in the depth intervals of interest...

2010

Along-Axis Segmentation and Growth History of the Rome Trough in the Central Appalachian Basin1

Dengliang Gao, Robert C. Shumaker, and Thomas H. Wilson

AAPG Bulletin

... effect on postrift sequences, and a second major normal fault, the Interior fault, developed in the northern West Virginia segment. These three rift...

2000

Seismic Expressions of Prograding Carbonate Bank Margins: Middle Miocene, Maldives, Indian Ocean

Andrei V. Belopolsky, Andr W. Droxler

AAPG Special Volumes

..., Sarg, 1988; Handford and Loucks, 1993).Prograding margins may rapidly change the geographic position and shape of a carbonate system. Progradation...

2004

Technique and Methods of Geophysical Exploration in Canada

A. I. Bogdanov

Petroleum Geology: A Digest of Russian Literature

... to convert to usual seismic sections and structural maps, if the rule of change of average velocity of elastic waves both vertically and horizontally...

1959

Abstract: AVAZ Inversion for Anisotropy Parameters of a Fractured Medium; #90174 (2014)

Faranak Mahmoudian, Gary F. Margrave, and Joe Wong

Search and Discovery.com

... has a strong effect on all seismic wave propagation aspects; it causes shear wave splitting, azimuthally-dependent NMO velocity, and amplitude...

2014

Abstract: Basin-Level First Arrival Tomographic Inversion Near-Surface Modeling and Key Technologies; #91210 (2025)

Liansheng Liu, Chunlan Xing

Search and Discovery.com

... to the use of all seismic data, micro-logging, and small refraction data from the entire exploration area to construct a unified near-surface velocity model...

2025

Frequency vs Azimuth (FVAZ): the Younger Member of the Family of Seismic Driven Fracture Characterization Methods

Juan Tavella, Victoria Lazzari, Marcelo Frydman, Néstor Herrera

Unconventional Resources Technology Conference (URTEC)

... fracture model from seismic data by means of inversion techniques (AVAZ, VVAZ and azimuthal inversion). More recently, another anisotropic effect on seismic...

2023

Seismic Lineament Analysis of a Fractured Limestone Reservoir in the Ujung Pangkah Field

Donald Easley, Ferry Yustiana, Azalea Hidayat

Indonesian Petroleum Association

... to be contributing to the current production history. The datasets available (borehole image logs , mono and cross dipole sonics, VSP’s and 3D seismic...

2011

Inversion of Magnetotelluric (MT) Data with Enhanced Structural Fidelity, #42333 (2018).

Federico Golfre Andreasi, Simone Re, Federico Ceci, Luca Masnaghetti

Search and Discovery.com

... took the velocity model that was used to generate the seismic traces (Figure 1a) and we mapped the velocity into the resistivity using the values...

2018

Seismic Modeling of an Early Jurassic, Drowned Carbonate Platform: Djebel Bou Dahar, High Atlas, Morocco (1)

A. EWAN CAMPBELL and JAN STAFLEU

AAPG Bulletin

...-way traveltime of the oblique rays add to the vertical exaggeration and the clarity. This effect also can be seen in the zones of spurious reflections...

1992

Optimising CO2 storage resource utilisation: insights from the Otway Stage 4 field program

Max Watson, Hadi Nourollah, David Bason, Scott Higgs, Sally Benson, Peter Cook, Yong-Chan Park, Mitch Allison, Ziqiu Xue

Australian Energy Producers Journal

... manifested through changes in reflectivity, traveltime delay for the 61 M. Watson et al. Australian Energy Producers Journal 0 –0.05 Relative change...

2024

Presentation of a Velocity Mis-Tie

W. B. Robinson

Oklahoma City Geological Society

... in the high range. For example, a deflection of one inch in the vicinity of 6000 feet/second represents a velocity change of only 500 units; whereas...

1961

Estimation of Formation Pressures from Log-Derived Shale Properties(*)

C. E. Hottman , R. K. Johnson

GCAGS Transactions

... for estimating the porosity of sedimentary rocks. The longitudinal acoustic velocity recorded by the various types of acoustic logs may be thought of as primarily...

1965

Rock Physics Guided Velocity Modeling and Reverse-Time Migration for Pore Pressure Prediction and Depth Imaging in Complex Areas

Nader C. Duta, Sherman Yang, Yangjun (Kevin) Liu, Lawrence Cho, Jie Cui

Indonesian Petroleum Association

.... The process depends on the rate of sedimentation and thermal gradients. Therefore, mechanical compaction is the common mechanism for velocity change...

2015

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