ABSTRACT: An Integrated Approach to Pressure Prediction from 3D Seismic Data, by Mike French and Dr. Nader Dutta; #90913(2000).

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Reflection or Refraction?

Aleksandr Nikitin, Nikolay Amelin, Sergei Pokrovskii, Andrey Lekomtsev

GEO ExPro Magazine

... velocity section versus refraction (b) (tomography) velocity industry standards. section with overlaying corresponding PSDM sections. 1,000 The Bjørnøya...

Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)

Peter W. Cary, Albert Zhang

Search and Discovery.com

... of the velocities obtained from stacking velocity analysis can be used in CPSTM. Thus, only the PS-converted-wave velocity needs to be estimated precisely...

Use of Seismic-Derived Velocities for Stratigraphic Exploration on Land: Seismic Porosity and Direct Gas Detection: Chapter 4

Norman S. Neidell, J. H. Beard, Ernest E. Cook

AAPG Special Volumes

... fully the velocity information from this source. It is well known that abrupt lateral changes in subsurface lithology distort stacking velocities...

Abstract: Improved Imaging of a Fold and Thrust Belt Regime, Onshore Trinidad, by Means of the Common Reflection Surface (CRS) Method; #90238 (2015)

Dennis Otto, Philip Schlueter, Terrell Dhanpaul, Samuel Ragbir, Curtis Archie, and Nancy Gallai-Ragobar

Search and Discovery.com

... accurately the correct stacking and migration velocities. Several reprocessing attempts have been carried out by other contractors without providing...

Multichannel Seismic Depth Sections and Interval Velocities over Outer Continental Shelf and Upper Continental Slope between Cape Hatteras and Cape Cod: Rifted Margins

John A. Grow , Robert E. Mattick , John S. Schlee

AAPG Special Volumes

... reaching the middle shelf. Although lateral changes in velocity across the shelf and local velocity inversions appear, the interval velocities along...

Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

... This process involves automatically NMO and stacking shot gather from floating datum using a constant speed. In this process the scanning velocity...

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

... that the P-wave velocities from the VSP data agree well with the DSI-measured P-wave velocity. The average P-wave velocities calculated from the DSI...

Abstract: Shallow VSP Survey using a Small Vibrator Source; #90171 (2013)

Joe Wong, Soo K. Miong, Robert R. Stewart, Eric V. Gallant, and Kevin W. Hall

Search and Discovery.com

... for a singlelayered earth, but it can be adapted to a multilayered earth simply by substituting the RMS stacking velocity vrms in place of the constant...

3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: Seismic Profile: North Fork Area, Powder River Basin, Wyoming

D. S. Stone

AAPG Special Volumes

... velocity change with velocities increasing basinward. If a constant velocity is used for depth migration, a mis-tie of about 107 m (350 ft...

How much systems-tract scale, three-dimensional stratigraphic variability is present in sequence stratigraphy?: An answer from the middle Miocene Pearl River Mouth Basin

Shaohua Xu, Jianhui Han, Yingmin Wang, Min He, Xiong Pang, Weitao Chen, Chenglin Gong, Chunyu Qin, Xiaogang Li, and Shang Xu

AAPG Bulletin

... stacking and onlapping healing-phase wedge. The transgressive systems tract (TST) is extensive, with an average thickness of approximately 20 m (∼66 ft...

Diving wave tomography: Velocity modelling using first arrival traveltime

Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu

Geological Society of Malaysia (GSM)

... for both qualitative and quantitative analysis (Nanda, 2016a). Different types of velocity, e.g. interval, average and root-mean-square (RMS) velocity can...

Resolution and Accuracy of Short-Offset Processed 3D Seismic Data for Seabed Mapping in Deep Water in Makassar Straits, Indonesia; #41036 (2012)

Nikolay Nenov, Francesco Paone, Andrea Marceglia, and Ed Ferris

Search and Discovery.com

... 1a. For time-to-depth conversion a sound velocity profile was derived from seabed stacking velocities picked at 100 ms interval through the full depth...

ABSTRACT: Use of VSP to Enhance Surface Seismic Processing, by T. J. O'Rourke; #91032 (2010)

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The Application of Seismic Attributes to Determine Geomorphology of Submarine Canyons: New Insight from Giant Foresets Formation, Taranaki Basin, New Zealand

Joko Wiyono, Henry W. Posamentier, Wahyu Triyoso, Andang Bachtiar

Indonesian Petroleum Association

.... During Pliocene, an acceleration in relative plate velocities resulted in uplifting and erosion, followed by the deposition of channel-fill and migratory...

A Statistical Approach to Assessing Depth Conversion Uncertainty on a Regional Dataset: Cooper-Eromanga Basin, Australia

David Kulikowski, Catherine Hochwald, Dennis Cooke, Khalid Amrouch

Petroleum Exploration Society of Australia (PESA)

...; average (pseudo) velocity, time-depth trend, kriging with external drift using TWT, and kriging with external drift to tie stacking velocities to average...

Critical Depth Uncertainty Analysis for Accurate Well Planning at Tangguh

Nurfiana Rachmawati

Indonesian Petroleum Association

... interval velocities preserve more detail information than the migration velocities. The migration velocity tends to be low resolution and smooth...

Practical Synergies for Increasing Domestic Oil Production and Geological Sequestration of Anthropogenic CO2: An Example from the Michigan Basin

G. Michael Grammer, David A. Barnes, William B. Harrison III, Anthony E. Sandomierski, Robert G. Mannes

AAPG Special Volumes

... explain why rocks with equal porosity can have significantly different velocities. The most prominent velocity contrasts at equal porosities...

3.4 Detached Sediments: 3.4.1 Decollement Tectonics (A-Subduction): Utah-Wyoming Overthrust Line

B. D. McClellan and J. A. Storrusten

AAPG Special Volumes

.... The migration obtained using the depth model's velocity distribution is far superior to the migration performed using the stacking velocities alone...

Integrated Reservoir Characterization of Mississippian-Age Mid-Continent Carbonates, #30297 (2013)

Michael Grammer, Darwin Boardman, James Puckette, Jay Gregg, Priyank Jaiswal, Miranda Childress, Buddy Price, Beth Vanden Berg, Stephanie LeBlanc

Search and Discovery.com

...) Velocity versus Porosity in Carbonates Carbonate rocks Compacted mud samples P-wave velocity (m/s) 6000 5000 m/s 5000 4000 43% 12% 3000 2400...

Effective Data Denoising and Imaging in the Sanga Sanga PSC Using CRS Approach

Michele Buia, Paolo Marchetti, Amalia Setoputri, Teguh Nugraha

Indonesian Petroleum Association

... automatic procedure, not requiring the exact knowledge of a velocity model. The ZO CRS stacking operator is derived from paraxial ray theory...

Abstract: Multiple Attenuation Using MultiFocusing Technology; #90224 (2015)

Marianne Rauch–Davies, Alex Berkovitch, Kostya Deev, and Evgeny Landa

Search and Discovery.com

... of the RMS velocity and emergence angle panels, which are determined from the pre-stack data during the MF multidimensional analysis. We then calculated...

Abstract: Pore Pressure Prediction Using Borehole Calibrated Seismic Attributes

Alan V. Strudley

Petroleum Exploration Society of Australia (PESA)

... of seismic stacking velocities are prone to a number of errors. It is demonstrated that limitations in stacking velocity inversion may be overcome...

A New Seismic Attribute Aids to Map the Embedded Geological Features from Low Bandwidth Seismic Data; #40720 (2011)

R.C.P. Saxena and S.K. Pokhriyal

Search and Discovery.com

... Stack 3-D Seismic volume, Average Velocity volume along with the correlated well logs of Lakwa-Galeki area and of North Assam Shelf (NAS) were available...

Abstract: Joint PP and PS AVO Inversion Based on Zeopprtiz Equations; #90171 (2013)

Tiansheng Chen and Xiucheng Wei

Search and Discovery.com

... lithology, it is useful to jointly apply the properties of PP and PS AVO. Amplitude-versus-offset (AVO) analysis tries to infer Swave velocities (or Poisson...