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The AAPG/Datapages Combined Publications Database
Showing 70,304 Results. Searched 196,371 documents.
Visco-Acoustic Full-Waveform Inversion: A Case Study to Resolve High-Resolution Shallow Channel Absorption, Offshore Indonesia
Jun Wang, Yonghe Guo, Putri Supriandini, Kelik Moersidin, Rahmad Hidayat
Indonesian Petroleum Association
...-resolution velocity and Q models of the shallow channel system, providing superior imaging when using Qcompensated pre-stack depth migration (Q-PSDM...
2022
Diffusion and Settling of Sediments at River Mouths: A Computer Simulation Model
G. F. Bonham-Carter, Alex J. Sutherland
GCAGS Transactions
... depth to decrease as a function of the current velocity. In addition to this primary bar, a secondary bar can clearly be seen near the end...
1967
Integrated Full Waveform Inversion and Dip Constrained Tomography for Complex Carbonate Imaging - Case Study from Indonesia
Yonghe Guo, Jun Wang, Pongga Wardaya, Riaz Alai, M Afiq B Mokhtar, Rizki Krishna Pratama, Haryono Haryanto
Indonesian Petroleum Association
... Figure 5 shows the legacy PSTM stack is converted to depth domain using the PSTM velocity for comparison purposes. Figure 6 is the reprocessed PSDM stack...
2018
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
Velocity Logging and Its Geological and Geophysical Applications
H. R. Breck, S. W. Schoellhorn, R. B. Baum
AAPG Bulletin
... the formation sidewalls over the distance separating the transmitter and receiver. Velocity is a function of the elastic constants of the formation...
1957
-- no title --
Ehsan, Athar
Search and Discovery.com
... profile at x=1.50km (record time=1.0s) As it can be observed from (Table 1), the time required to invert the linear velocity model in all cases using...
Unknown
Abstract: 3D Time Domain Full Waveform Inversion Based on Multiscale Adapted Variable Grid Method Case Study Majunga Basin East African Coast; #91204 (2023)
Mukiibi Ssewannyaga Ivan, Jian-Ping Huang, Zi-Ying Wang, Jidong Yang, Jin Keji
Search and Discovery.com
...), the time required to invert the linear velocity model in all cases using the conventional FWI equation is twice that of the proposed method at varying...
2023
Abstracts: A Non-Linear Conjugate Gradient (CG) Method to Solve for Vp, Vs and Density from Seismic Elastic Impedance; #90173 (2015)
Yexin Liu and Zhuoheng Chen
Search and Discovery.com
... model of compressional velocity, shear velocity and density for Conjugate Gradient (CG) optimization can be constructed using available low frequency well...
2015
Abstract: Using Computer for Time-to-Depth Conversion and Structure Mapping in Complexly Faulted Areas, by D. Szumilas; #90968 (1977).
Search and Discovery.com
1977
Improved Structural Imaging of the Karama Seismic Survey Using Anisotropy Kirchhoff and Beam Depth Migration
Zbigniew Ostapiuk, Bee Jik Lim, Martin Bayly
Indonesian Petroleum Association
... the project. Little lateral variation of the velocity profile was observed between dates and locations, as a consequence a single depth varying function...
2012
Seismic Processing Strategies in the Deep Water Kutai Basin Gendalo Hub Pre-Stack Depth Migration
Xiuyuan Li, Harmit Singh, Joe Zhou, Graham Hodgkiss, Neil Young, Helmut Hsiao
Indonesian Petroleum Association
... field (smoothed using depth converted, interpreted horizons in a geologically consistent manner), together with a variable water layer velocity function...
2011
Abstract: The Application of Extreme Attributes of PS Converted Wave; #90171 (2013)
Xiucheng. Wei, Xiang-Yang Li, Tiansheng Chen, and Lihua Jia
Search and Discovery.com
... and increases with that ratio. The extreme amplitude is a nonlinear function of the average velocity ratio νp/νs and the linear decreasing function...
2013
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
... was to convert interpreted time maps to depth maps using the most reliable (lesser residual error) velocity model generated from the available data. DATABASE...
2011
Abstract: Success and Failure in Pressure Prediction Using Seismic Velocities in Deep Water Environments, by P. D. Heppard, M. L. Albertin, B. E. Wagner, and D. J. Bettencourtt; #90923 (1999)
Search and Discovery.com
1999
Abstract: Investigation of the Relationship between Seismic Velocity Dispersion Principles and the Permeability of Subsurface Porous Materials; #90174 (2014)
Adrienne Campbell, Winnie Pun, and Bernd Milkereit
Search and Discovery.com
... dependent P wave velocity dispersion and the permeability of subsurface porous materials. This is carried out using geophysical data obtained from the Mallik...
2014
A Comprehensive Approach to Depth Imaging in Thrust Belt Environments
Ron Schmid, Brian Link, Patrick Butler
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... model. Attempts to pick prestack depth migration velocity models from a scan of constant velocity migrations (or constant function migrations) has...
1997
Abstract: Full Waveform Inversion with Phase Encoded Deconvolution Imaging Condition; #90224 (2015)
Wenyong Pan, Kris Innanen, and Gary Margrave
Search and Discovery.com
... shows the normalized true model perturbation. Figure 2c show the phase encoded source illumination using the initial velocity model with 60 simulations...
2015
The Application of PSDM VTI Method to Generate a Velocity Model That Can Solve the Mistacking Problem
Aulia Ahmad Nafis, Hasan Nurudin, Ikhsan Hanurogo, Bagus Sapto M, Ahmad Zaenudin
Indonesian Petroleum Association
... gather and gamma synthetic as the controlling factors shows less error, after that the final velocity model is used for depth migration process to compare...
2018
Velocity-depth trends in Mesozoic and Cenozoic sediments from the Norwegian Shelf
Vidar Storvoll, Knut Bjrlykke, Nazmul H. Mondol
AAPG Bulletin
... in sedimentary rocks as a function of sediment composition, porosity, pore-pressure, burial-history, and compaction processes. A first-order linear velocity-depth...
2005
Abstract: Recent Advances in Mapping Deep Permafrost and Gas Hydrate Occurrences using Industry Seismic Data, Richards Island Area, Northwest Territories, Canada; #90171 (2013)
Gilles Bellefleur
Search and Discovery.com
... sediments, velocity of P-waves varies significantly as a function of the fraction of pore water that is unfrozen (Zimmermann and King, 1986). Sediments...
2013
Abstract: Recent Advances in Mapping Deep Permafrost and Gas Hydrate Occurrences using Industry Seismic Data, Richards Island Area, Northwest Territories, Canada; #90171 (2013)
Gilles Bellefleur
Search and Discovery.com
... sediments, velocity of P-waves varies significantly as a function of the fraction of pore water that is unfrozen (Zimmermann and King, 1986). Sediments...
2013
Reservoir Characterisation Study: Inter Well Reservoir Property Prediction and Mapping by Petrophysics Data and Seismic Data Integration
Robi Junipa, Michel Bee
Indonesian Petroleum Association
... of this method could be found in the Depth Team Express manual (Landmark, 2006). Using the initial velocity model, time to depth conversions of key...
2010
Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)
J. Patrick Butler and Randy Kolesar
Search and Discovery.com
... without the anomaly The velocity model in depth The dark events are places where changes in the moveout as a function of offset make a difference...
2014
The Use of Production Logging Surveys to Determine the Injection Profile at the Kenali Asam Waterflood Pilot Project
Victory S. Kirana
Indonesian Petroleum Association
... to the geothermal temperature. Each flow situation produces a type of temperature profile. The profile is roughly linear with depth, its slope varies with geographic...
1992
Porosity Mapping Using Seismic Interval Velocities, Natuna L–Structure
D. R. Eyles, J. A. May
Indonesian Petroleum Association
... with depth. The next attempt was to estimate the water zone velocity using a mixture of well data and questionable deep seismic interval velocity data...
1984