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The AAPG/Datapages Combined Publications Database

Showing 43,338 Results. Searched 195,448 documents.

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Seismic Imaging of Sturctural, Stratigraphic and Diagenetic Plays - Workshop Summary

Bruce Hart

PTTC

... and the source on the arrival time of reflections and dip moveout (DMO), which corrects the difference in the arrival times or travel times of reflected waves...

2003

An Interpreter's Guide to Improvements in Depth Imaging through Model-Based Velocity Estimation and Refinement

Andy Furniss

Petroleum Exploration Society of Australia (PESA)

... to Snell's Law, and structural dip within the model are all accounted for by ray tracing and we are therefore no longer limited by the hyperbolic moveout...

1999

Integration of Vertical Seismic, Surface Seismic, and Well-log Data at the Mallik 2L-38 Gas-hydrate Research Well, Mackenzie Delta, Canada

M. W. Lee, T. S. Collett, W. F. Agena

AAPG Special Volumes

... number and frequency (FK) filtering, (7) normal-moveout correction and common-midpoint (CMP) stacking, (8) poststack second zero-crossing deconvolution...

2009

Integrated Workflow for Fracture Characterization ; From Well Bore Analysis, Post-Stack Geometrical Attributes and Pre-Stack Azimuthal Inversion; Case Study for Fractured Volcanic Reservoir Analysis in Jatibarang Field, North West Java Basin

Aji Rahmat Ginanjar, Andreas Wasi Kuncoro, Muhammad Taslim, Tri Sunarno Irianto, Arrie Kurniawan, Oddy Pranidhana

Indonesian Petroleum Association

... fracture density is located in the Eastern and Western areas and correlates well with producing wells. Coherence and Dip azimuth volumes indicate...

2017

Seismic Modeling of a Strongly Emergent Thrust Front, West Spitsbergen Fold Belt, Svalbard

Stale E. Johansen , Sivert Kibsgaard , Arild Andresen , Tormod Henningsen , John R. Granli

AAPG Bulletin

... in kilometers/second. For location of profile, see Figure 1. End_Page 1020------------------------------ 1). Additional fault-propagation folds...

1994

Attenuation of Marine Coherent Noise – A Processing Case History in the East China Sea

Huaien Wang, Liu Guangxin, Curtis E. Hinz, Fred F. C. Snyder

Southeast Asia Petroleum Exploration Society (SEAPEX)

.../s. For a source located off the end of the cable, the noise appears as a series of coherent linear events with the dip inversely proportional to the seismic...

1990

NMO Application in VTI Media: Effective and Intrinsic Eta (Geophysics Paper 6)

Joel Starr, Maz Farouki

Geological Society of Malaysia (GSM)

... higher order NMO which reduces the error in the approximation to the ray traced solution for longer offsets. There are two characteristics which...

2008

Abstract: Maximize the Potential of Seismic Data in Shale Exploration and Production … Examples from the Barnett Shale and the Eagle Ford Shale; #90187 (2014)

Joanne Wang and Duane Dopkin

Search and Discovery.com

... Model for HTI/VTI Layered Media, SEG 2009 Annual Meeting Igor Ravve et al., 2009. Moveout Approximation for HTI/VTI Layered Media, SEG 2009 Annual...

2014

Imaging below Seafloor Canyons and other Rugose Features

Dominic Fell, Kiran Dyal, Tony Hallam, Sebastian Nixon

Australian Petroleum Production & Exploration Association (APPEA) Journal

... starting velocity with a first iteration of canyon-related near surface complex velocity variation modelling. This model was input into the second phase...

2017

Abstract: Greedy Least-Squares and its Application in Radon Transforms; #90171 (2013)

Juefu Wang and Mark Ng

Search and Discovery.com

... of the greedy approach using prioritized moveout parameters can significantly reduce computational cost ( Ng and Perz, 2004). In this research we...

2013

How to Improve the Definition of Seismic Reflection Data

D. Michon, R. Garotta

Indonesian Petroleum Association

... to the normal moveout. Fig. 2. Let us consider a one second two-way time reflection. For a few offsets the apparent horizontal velocity, as given by the slope...

1979

S/N RATIO AND BANDWIDTH CONSIDERATIONS WHEN UTILIZING SEISMIC DATA IN EXPLORING FOR SUBTLE TRAPS - EXAMPLES FROM THE KNOX PLAY

Edward R. Tegland, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO Patrick H. Bygott, Exploration Development, Inc., S. Pikes Peak Dr., Parker, CO

Ohio Geological Society

... Hale,D., 1984, Dip Moveout by Fourier Transform (Stacking NMO): Geophysics, v. 49, p. 741-757. Sheriff, R. E., 1968...

1999

An Interpreter's Guide to Improvements in Depth Imaging Through Model-Based Velocity Estimation and Refinement

Andy Furniss

Indonesian Petroleum Association

... Would be Frequently Overlooked. The second flaw in the interpretation workflow is the inaccuracy caused by traditional depth conversion methods where...

2000

Abstracts: The Reflectivity Response of Multiple Fractures and its Implications for Azimuthal AVO Inversion; #90173 (2015)

Olivia Collet, Benjamin Roure, Jon Downton

Search and Discovery.com

... of fractures characterized by their dip, azimuth, intensity and linear slip parameters and calculated the stiffness matrix of the effective media...

2015

Seismic simulations of experimental strata

Lincoln Pratson, Wences Gouveia

AAPG Bulletin

...) deconvolving the data, (4) correcting the data for dip-dependent normal moveout, (5) conducting velocity analysis, and (6) stacking the data. Figure...

2002

New Solutions to Old Problems: A Seismic Reprocessing Case History, DC and BQ Fields, Malacca Strait PSC

Charles A. Hinson

Indonesian Petroleum Association

... and resulted in the discovery of the Lalang and Mengkapan Fields (Figure 2). The second exploration phase targeted the Sihapas Formation in low-relief...

1993

Abstract: TTI Anisotropic Depth Migration: Which Tilt Estimate Should We Use?; #90211 (2015)

Francois Audebert and Volker Dirks

Search and Discovery.com

... polar velocity equal to 2000m per second. Throughout the modeling experiments, we vary the dip of the reflecting facet, as well as the tilt of the TTI...

2015

Reconstruction of Flexure Folds by Concentric-Arc Method: GEOLOGICAL NOTES

C. G. Higgins

AAPG Bulletin

... presents two different solutions (1929, p. 22-28), so bristles with difficulties that apparently no later author has attempted to present his second...

1962

Abstract: Estimation of Q-factor and Phase Velocity Using the Recovered Stress-strain Relaxation Spectrum; #90172 (2014)

Dali Zhang, Michael P. Lamoureux, Gary F. Margrave

Search and Discovery.com

... representation of the complex modulus using rational ( [ p, q] -Padé) approximation. The approximation is obtained by solving a constrained least...

2014

Impact of an Integrated Seismic Data Processing Approach: A Case Study in Central Sumatra

Mars E. Semaan, Eddy Murhantoro, Maryanto, Achmad Bermawi, Budi Subianto, Hari Santoso

Indonesian Petroleum Association

.... This multivalued effect may be caused by the explicit dip dependence of moveout or by the fact that different events travel along different raypaths...

1992

Exploration of the North Seribu Area, Northwest Java Sea

Roberto Fainstein

Indonesian Petroleum Association

... with a zero-phase output, and fault imaging, using an experimental dip moveout technique (DMO). The data were also phase corrected relative to the 1985...

1987

Geomechanical Approach to Resolve Severe Velocity Variations and Remove Image Distortions below Rugose Seafloor (Paper A16)

S. Birdus, A. Artyomov, L. Li, S. Xin

Geological Society of Malaysia (GSM)

..., so we do not have enough offsets to estimate moveout immediately below the seafloor and (b) the anomalies can have significant magnitudes (up to more...

2012

An Electronic Seismic Dip Plotter

J. A. Westphal

Oklahoma City Geological Society

... the nearest approximation to the actual velocity distribution in the earth and the migrated depth points, when dip is present, would still be as accurate...

1958

P- and PS-Wave Vector Wavefields for Anisotropic Petrophysics

James Gaiser

Petroleum Exploration Society of Australia (PESA)

... as from long wavelength moveout behaviour. Key words: Petrophysical properties, vector wavefield, converted waves, anisotropy, joint inversion INTRODUCTION...

2016

A Comparative Study of 3-D Noise Attenuation Techniques

Daniel Wheaton, Yendri, Kusnarya

Indonesian Petroleum Association

... Normal Moveout Correction and Mute Long Gate (2 sec) Trace Equalization Stack Dip moveout (DMO) has not been applied for testing purposes to avoid...

1996

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