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The AAPG/Datapages Combined Publications Database
Showing 40,936 Results. Searched 195,354 documents.
Vp/Vs Ratio from Three Component Zero Offset: An Additional Tool for Pressure Prediction Ahead of the Bit
Carlos Planchart, Carlos Vargas, Raul Cova, Alexander Palacios
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... velocities or the interval S-wave velocities. A Zero Offset VSP was acquired in Western Venezuela to calibrate surface seismic data. The main reservoirs...
2006
Three-Dimensional Depth Imaging of Seismic Data to Assess Subsurface Geology in Northern Utah and Southwestern Wyoming
Alvin K. Benson
Utah Geological Association
... data. For both locations, stacking velocities initially were used to derive interval velocities for modeling, but this leads to incorrect, contradictory...
1999
Abstract: Seismic Evidence of Formation Damage in the Lower Colorado Group Shales; #90172 (2014)
Jeremy Gallop
Search and Discovery.com
... velocities (Figure 1). Figure 1: Colour represents Vp/Vs anomaly through the Lower Colorado Group. Section boundaries (1 mile interval) are shown. 1 AAPG...
2014
Pore-Pressure Prediction in the Permian Basin Using Seismic Prestack Inversion
Colin Sayers, Lennert den Boer
Unconventional Resources Technology Conference (URTEC)
... stratigraphic depth interval. They thus approximate the upscaled velocities shown in Figure 1 and have comparatively low vertical resolution. Upscaled...
2019
Velocity as a Problem in Mississippi
R. R. Phillips
GCAGS Transactions
... are presented. Regional velocity maps based on average and interval velocities which show the marked changes in gradient known to exist in this area are included...
1951
Petroleum Exploration--Real World Examples Using Microcomputers: ABSTRACT
R. Mark Maslyn
AAPG Bulletin
..., or interval velocities. Microcomputers provide an interactive way for a geologist or geophysicist to generate on-demand, exploration related values, maps...
1982
Conventional Velocity Model Seems to Be the Best!
Hijreen Binti Ismail, M. Izham Kassim, Khairul Hamidi Khalid, Safitri Nurida, Wahyudin Bahri Nasifi, Hendra Iriansyah Darmawan, Rizki Krishna Pratama, M. Anuar Ismail, Noor Azmah Abdullah, Indah Edria Amorita
Indonesian Petroleum Association
... model utilized the average velocity approach. The second method is a so called layer cake model that is an application based on interval velocities...
2011
Rapid Multiple-Scenario Depth Structure Risk Analysis Case Study in Cuulong Basin, Vietnam
Nguyen Nam, Hong Shien Lee
Indonesian Petroleum Association
... uses a calibration volume determined in the interval velocity domain. This is achieved by comparing the velocities at each well with the seismic...
2008
Abstract: Anisotropic Depth Imaging and Interpretation in Thrust-Belt Exploration, by Don Lawton; #90073 (2007)
Search and Discovery.com
2007
ABSTRACT: Pore Pressure Prediction from 3-D Seismic Data: A Feasibility Study for Unconventional Gas Exploration in Saudi Arabia, by Mujica, Daniel L.; Aldajani, Abdulfattah; #90141 (2012)
Search and Discovery.com
2012
Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12
E. W. Peikert
AAPG Special Volumes
... on the stacked sections to compute sequence-keyed interval velocities. Interval velocities can be smoothed between sequence boundaries on a rational...
1985
Abstract: Sonic Velocity Analysis of Triassic and Paleozoic Interval of Onshore North Florida Wells to Determine Exhumation, by Martha Sadlick; #90124 (2011)
Search and Discovery.com
2011
Abstract: Structurally-Consistent Interval Velocity Variation with Azimuth; #90187 (2014)
Darren Schmidt, Alicia Veronesi, Chris Davison, and Jeff Durand
Search and Discovery.com
... of the vertical fracture orientation. For interpretation, this data needs to be converted from RMS to interval velocities using a generalized Dix...
2014
Velocity Analyses of Near Seafloor Strata Based on Multichannel Seismic Data from the Tonga Platform
Jeffrey E. Cole, Dennis M. Mann
Circum Pacific Council Publications
... the resultant corrected gathers exhibited good removal of normal moveout (Figure 7A), the calculated interval velocities where unreasonably low, ranging from...
1985
Abstract: Depth Conversion Methodology using a Stochastic Velocity Model for the McMurray Formation; #90171 (2013)
Darren Hinks, Tom Cox, Stephanie Schmidt, Dale Vanhooren, and Sergei Filin
Search and Discovery.com
... heterogeneity can have a large effect on interval velocities within the McMurray. The laterally changing reservoir and fluid zones are not easily...
2013
Complex Model Building using Objective Construction of Curve Ray Time Migration Moveout with Geologic Constraints, #41596 (2015).
Kerry Stinson, Shlomo Levy, Edward Crase, Wai-Kin Chan
Search and Discovery.com
... result (image with interval velocity overlain) derived from the velocities with Structural Constraint. Figure 7. Prestack Depth Migration using interval...
2015
A Regional Velocity Cube for Depth Conversion on the Northwest Shelf
Maighréad Ní Dheasúna, Mark Ballesteros, James Leven
Petroleum Exploration Society of Australia (PESA)
... workflows. square of the interval velocities, or the L2 norm. As indicated in Table 1, for a simple horizontal identification of over-pressu re zones...
2012
Abnormal Pressure Evaluation of the Recent Pliocene and Miocene Gas Discoveries from the Eastern Nile Delta, Egypt, Using 2D and 3D Seismic Data
Philip D. Heppard and Martin L. Albertin
Houston Geological Society Bulletin
... Philip D. Heppard and Martin L. Albertin 1998 16 23 Summary Interval velocities derived from surface seismic have been an important tool in predicting...
1998
Accurate Depth Conversions Reduce Risk
Larry C. Luton, Corine Prieto
GCAGS Transactions
..., vertical seismic profiles, sonic logs and geological tops. Seismic imaging velocities (stacking and migration) are interpreted from various seismic...
2000
ABSTRACT: Velocity Inversion Using Geological Constraints, by Jos Van Trier; #91035 (2010)
Search and Discovery.com
2010
Seismic Structural Interpretation, 2D and 3D Modeling and Reservoir Characterization of North Sanghar Block and Well Chak 63-01, Lower Indus Basin, Sindh, Pakistan
Search and Discovery.com
N/A
ABSTRACT: Geophysical Investigation of the Shallow Subsurface in St. Charles and St. Louis Counties, Missouri; #90113 (2010)
Ali H. Atef, Uchenna H. Aboaja, David Gaunt, Kelly H. Liu, and Stephen S. Gao
Search and Discovery.com
... Geometrics Geode Ultra- Light Exploration Seismograph was conducted to determine the velocities of the subsurface layers, nature of the lithology...
2009
Predicting Pore Pressure and Porosity from VSP Data: ABSTRACT
Dale G. Stone
AAPG Bulletin
... interval velocity and depth beneath the drill bit. The method is to exploit special properties of the VSP to produce a successful inversion to acoustic...
1984
The Geophysical Aspects of Abnormal Fluid Pressures
Edward B. Reynolds, John E. May, Alf Klaveness
Houston Geological Society
... bulk densities, (5) lower shale resistivities, and (6) lower interval velocities. Although absolute values of these properties are not always...
1971
Structure of the Platform Cover of Northeast Turkmenia
D. P. Kasatkin
Petroleum Geology: A Digest of Russian Literature
... are observed in two areas–the Pitnyak (in the northeast) and the Tuarkyr and boundary (Fig. 1) velocities are recorded. Local variations in these parameters...
1961