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The AAPG/Datapages Combined Publications Database
Showing 62,993 Results. Searched 195,354 documents.
Seismic Refraction Studies in Gulf of California
Richard P. Phillips
AAPG Special Volumes
... with an average velocity of 5.5 km/sec, and a 4.3 km third layer with an average velocity of 6.7 km/sec. The upper mantle lies at an average depth of 8.9...
1964
Abstract: Preliminary Results of Crustal Structure from the LARSE-II Passive Recording Experiment Using Teleseismic P-to-S Converted Waves, by L. Zhu; #90904 (2001)
Search and Discovery.com
2001
Acoustic nonlinear full-waveform inversion on an outcrop-based detailed geological and petrophysical model (Book Cliffs, Utah)
Daria Tetyukhina, Stefan M. Luthi, Dries Gisolf
AAPG Bulletin
... in blue in Figure 7. These properties are a function of the local depth, z (in meters). The initial compressional wave velocity, vP0(z), and bulk...
2014
Prestack Depth Imaging Within the Makassar Straits, Eastern Kalimantan, Indonesia
Chris Willacy, Suryadi Oemar, A. Edy Hermantoro, Paul Gilleran
Indonesian Petroleum Association
.... Figure 3. Prestack depth imaging work flow used to migrate the study line. The initial interval velocity/depth model is derived using tomographic...
2000
Abstract: Prospect Lucky: Understanding Contour Anomalies and Velocity Gradients in Offshore Texas
Thomas Peter Bulling, Albert J. Krejci
GCAGS Transactions
... a velocity gradient. Applying this gradient to the time-structure map produced a depth map that revealed a low relief anticline. A key seismic line...
1992
Utilizing Seismic in Exploring for Subtle Traps
Kevin Werth, Patrick Bygott, Edward Teyland
PTTC
... As wastruefor objective depth, structural dip is another reservoir property that critically affects survey design. Cell size, as weHas total survey size...
2003
Determining Bedding Slip Planes With Microseismic Processing
Natalia Verkhovtseva, Ben Bagherian, Timur Mukhtarov
Unconventional Resources Technology Conference (URTEC)
... calibrated with high-quality perforation shot data, were relocated using a homogenous velocity model. Figure 5 compares event depth results. Eighty percent...
2017
Graphic Method for Some Geologic Calculations: GEOLOGICAL NOTES
Mason L. Hill
AAPG Bulletin
.... 1) can be used for the solution of geologic right-triangle problems. It is here applied to the solution of dip, depth, distance, and thickness...
1942
Imaging in Complex Environments Common Reflection Angle Migration
Graham A. Winbow
Indonesian Petroleum Association
... the effect of enabling compensation for spherical divergence and leads to more reliable amplitudes in depth imaging. a velocity step across the fault...
2007
Abstract: Non-Hyperbolic Reflection Tomography for Better Imaging and Interpretation, by Zhaobo Meng and Chengbin Peng; #90105 (2010)
Search and Discovery.com
2010
TAU Migration and Velocity Analysis
Search and Discovery.com
N/A
Chapter 8: Evaluation of Anomalous Pressuring and Gas Saturation Using 2-D and 3-D Visualizations of Well Log Information
Zun S. Jiao, Ronald C. Surdam
Montana Geological Society
...") below the pressure boundary surface using one-, two-, and three-dimensional velocity modeling and visualizations of well log and seismic...
1997
Imaging Complex Structures in Colombia Full Wave Equation Migration Approach
Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... computed the shot and receiver statics. First, shots and receivers were moved down from topography to the intermediate datum using the velocity field...
2008
Migration Velocity Analysis Using Seismic Multiples, by C. D. Manuel; #90902 (2001)
Search and Discovery.com
2001
Imaging of Fractures and Faults inside Granite Basement Using Controlled Beam Migration (Geophysics Paper 5)
Don Pham, Jason Sun, James Sun, Qingbing Tang, Graeme Bone, Nguyen Truong Giang
Geological Society of Malaysia (GSM)
.... In 2002, a study was carried out in the area using Kirchhoff prestack depth migration, which included horizon-based model building up to the basement...
2008
Interpretative PSDM Workflow for Solving Complex Imagery Below Faults and Carbonates Reefs in South Mahakam, Kutai Basin: An Interpreters Point of View
Cepi Muhamad Adam, Nadir Abdoun, Bertrand Duquet, Florent Bertini, Yves Le Stunff
Indonesian Petroleum Association
.... Initial Velocity Model and Shallow Horizons Interpretation A first Kirchhoff depth migration was run using an initial smoothed velocity model derived...
2009
Critical Analysis of Stack Seismic Systems
L. E. Nugent, Jr.
AAPG Bulletin
... shifts. Using the same velocity relationship but with no dip involved, the 5,000-foot offset reflection arrives .035 second early which also causes...
1967
A New Perspective to Shallow Water Flow (SWF) and Sinking Well-Head Preventions in Deep Water
Selim Simon Shaker
GCAGS Transactions
... for de-multiple, DMO (dip move-out) and pre-stack migration. Converting the time-velocity pair to depth-velocity pair probably is the first objective...
2015
Reducing exploration risk through probabilistic characterisation of a basin-floor fan, offshore WA
Sagar Ronghe, Anne Locke
Petroleum Exploration Society of Australia (PESA)
... for P-impedance vs Vp/Vs and were characterised using Probability density functions (PDFs) for each lithology and fluid mixture at depth increments...
2018
Abstract: Seismic Guided Pore Pressure Prediction In Deepwater Block Of Mahanadi Basin; #90315 (2017)
Surya Kumar Singh, Kumar Vivek, Pinaki Basu, B.K. Mangaraj, Hari Lal
Search and Discovery.com
.... The onset of overpressure is interpreted within Eocene Formation at depth 5452 m (MD). The calibrated velocity and pore pressure at Well-A were...
2017
Correlation of seismic velocity and density of metasandstone from Kati Formation, Seri Iskandar, Perak, Malaysia
Norsyafiqah Salimun, Abdul Ghani Rafek, Khairul Arifin Mohd. Noh
Geological Society of Malaysia (GSM)
... to measure the density and seismic velocity. P-wave and S-wave velocity is measured using Sonic S-X viewer while density is measured from ratio of core...
2018
Integration of Geological Data on Seismic Sections: GEOLOGICAL NOTES
L. F. Ivanhoe
AAPG Bulletin
... decisions are to be based on them. Velocity errors: Velocity errors are inherent in all seismic sections, since the mathematical functions used to convert...
1956
Improved 3D Seismic Imaging through Depth Migration and Tomography: An Indonesia Case Study
Jianli Song, Cristina Reta-Tang, Xuening Ma, Jim Wilhite, Laurie Geiger
Petroleum Exploration Society of Australia (PESA)
... velocity updating iterations were performed for the project, each using a new Kirchhoff pre-stack depth migration as input. In orde r to derive res idua l...
2011
Hydraulic Factors Controlling the Shape of Laminae in Laboratory Deltas
Alan V. Jopling
Journal of Sedimentary Research (SEPM)
.... The variables isolated for study were: (a) stream velocity and bed shear stress, (b) the ratio of stream depth to basin depth (depth-ratio), and (c) sediment...
1965
Adventures in Pre-Stack Depth Migration; #110121 (2010)
James Allen
Search and Discovery.com
...Adventures in Pre-Stack Depth Migration; #110121 (2010) James Allen AV Adventures in Pre-Stack Depth Migration* James Allen1 Search and Discovery...
2010