Applications and Limitations of Dip Shooting

E. E. Rosaire and Joseph L. Adler

AAPG Bulletin

...° in the computed dip if not properly corrected Errors in the velocity itself are less important. While the use of an erroneous velocity may produce...

Seismic Imaging through Outcropping Carbonates: An Example from the Canadian Rocky Mountains, , #41533 (2015).

Yong Hua, Don C. Lawton

Search and Discovery.com

... with migration algorithms on either pre-stack gathers or post-stack. Iteration of Velocity Analysis and Residual Statics Optimum stacking velocities were...

Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data

Robert E. Sheriff

AAPG Special Volumes

... of coherent wavetrains, as well as random noise. Predictive deconvolution and common-depth point stacking attenuate multiples. Deconvo ution helps remove near...

Vertical and Lateral Seismic Resolution and Attenuation: Part 7. Geophysical Methods

R. E. Sheriff

AAPG Special Volumes

... and a 15-Hz wavelet. Resolution decreases rapidly with depth because velocity increases and frequency decreases. HORIZONTAL RESOLUTION The waves giving...

Recording and Processing Procedures for Multi-channel Seismic-Reflection Data Collected in the Western Ross Sea, Antarctica

S. V. Dadisman, H. F. Ryan, D. M. Mann

Circum Pacific Council Publications

..., it also removed low-amplitude primary events at depth. Dip-filtering similar to that employed in the velocity analysis process was applied...

Section 2: Improvement of Seismic Images of Complex Tectonic Structure in Deep Water with Research-Level Processing Sequences

John Miller and Roland von Huene

AAPG Special Volumes

... completely out of the CVS panel. The velocity sensitivity of the dat in the fold of line 111, despite the 5-km water depth, was indicated by stacking...

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)

... of constant dip with respect to the ground surface. Curvatures in the rock refractor and rapidly thinning low velocity layer could lead to errors in velocity...

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

Francois Audebert and Volker Dirks

Search and Discovery.com

... velocity model. Our paper therefore seeks to answer the question: what is the best velocity model that can be used to compute the structural dip field...

Passive Margins: Eroded Carbonate Platform Margin--The Blake Escarpment off Southeastern United States

William P. Dillon, Anne M. Trehu, Page C. Valentine, and Mahlon M. Ball

AAPG Special Volumes

... level. MODELING THE EFFECT OF THE BLAKE ESCARPMENT ON SEISMIC DATA To illustrate the effect on seismic data of the large lateral velocity variation...

Adjustments of Velocity Logs to Tie Geophone Surveys

Warren Hicks

Oklahoma City Geological Society

... in Granular Media- Journal Acoustical Society of America, Vol. 24, pp. 696-700, 1952. Faust, L. Y.: Seismic Velocity as a Function of Depth and Geologic Time...

The Use of Physical Modeling to Resolve Offshore Seismic Problems

B. J. Evans, M. Urosevic

Indonesian Petroleum Association

... process and the model was bathed in water at various depths to show the effect of water depth on seismic data quality. Two dimensional data were recorded...

Star: Shallow Time Anomaly Replacement

Michael O. Marcoux, Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... at the other. The width of the base equals the depth of the shallow reflector. This width was chosen so as to have a strong coupling effect to the stacking...

Seismic Depth Interpretation in Thrustbelts, by Nancy House, #40131 (2004).

Search and Discovery.com

Serang Field – Discovery Within a Seismic "Fault Shadow"

Tom Clark, Mike Turk, Joewono Hadiwijoto, Yoseph Partono

Indonesian Petroleum Association

... effect results in an artificial time dip closure. Figure 4. Fault Shadow Velocity Model - Lateral Carbonate Distribution across fault Depth Conversion...

Minimizing Depth Uncertainties Through Effective Seismic Processing Strategies in a Complex Geological Setting - Unlocking Deeper Potentials Offshore Indonesia

M Afiq B Mokhtar, Riaz Alai, Yonghe Guo, Pongga Wardaya, Jun Wang, Rizki Krishna Pratama, Haryono Haryanto

Indonesian Petroleum Association

... in this abstract. The latter velocity has been able to minimize the depth errors and unlock the potentials towards deeper exploration opportunities...

Potential Field Data Guided Seismic Forward Modelling of Basement Structures: A Case Study from Offshore Nile Delta Basin

Said Hanafy, Shastri L. Nimmagadda, Sharaf Eldin Mahmoud

Petroleum Exploration Society of Australia (PESA)

... stacking velocity data and depth values interpreted from gravity and magnetic field data are used in the modelling process. The uncertainty in modelling...

Influence of Geological Factors on Longitudinal Seismic Velocities

B. B. Weatherby , L. Y. Faust

AAPG Bulletin

... of calcareous sandstones and shales is substantially higher than that of a normal sand-shale section. The effect of depth on the velocity of a given...

High-End Model Building Techniques for Revealing a Pre-Carbonate Reservoir Offshore East Natuna Basin, Indonesia

Jun Wang, Yonghe Guo, Yitao Chen, Muhammad Nauvall Juliansyah, Nick Crabtree

Indonesian Petroleum Association

... was applied to update the complex carbonate platform. However, given the depth of the pre-carbonate, there were still residual velocity errors due to poor...

The Geophysical Aspects of Abnormal Fluid Pressures

Edward B. Reynolds, John E. May, Alf Klaveness

Houston Geological Society

...-surface effects (weathering and water depth errors). These effects can produce either higher or lower RMS velocities than the vertical average velocity...

Imaging Solutions for Geophysical Challenges in South East Asia (Paper A13)

N. El Kady, Z. Mohd Dom, Y. Prasetyo, M. Bayly, G. Nyein, P. Vasilyev, N. Mat Don Ya

Geological Society of Malaysia (GSM)

... velocity (Vp) referenced in space and depth , also other subsurface properties such as Thomsen’s anisotropy parameters, dip magnitude and azimuth, faults...

Abstract: Comprehensive Technology for Complex Targets Research with Electromagnetic, Gravity, Magnetic and Seismic Data and its Applications; #90319 (2018)

Zhi Zhao, Dechun Li, Zhao Li

Search and Discovery.com

... data. The velocity model obtained is used in the pre-stacking depth migration, greatly improving the resolution of traps prediction. The three wells...

Integration of Depth Conversion, Seismic Inversoin and Modeling Over The Belida Field, South Natuna Sea Block "B", Indonesia

Patrick Jonklaas

Indonesian Petroleum Association

... this be the case average, interval or stacking velocity techniques could all have an application for depth conversion. Application of Techniques...

Depth Prediction Ahead of the Bit: A Case Study from the Singa-1 Discovery Well, South Sumatra

Mark Crawley, David Ginger

Indonesian Petroleum Association

... that a considerable error bar of over 3,000 ft existed on this depth estimate. Figure 3. Pre-drill depth prognosis and stacking velocity profile indicating...

Abstract: Raypath-Consistent Shear Wave Statics; #90224 (2015)

Raul Cova, David Henley, and Kris Innanen

Search and Discovery.com

... to very low velocity values the magnitude of the S-wave statics is several times larger than the P-wave statics, producing a very destructive effect...

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...