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The AAPG/Datapages Combined Publications Database
Showing 73,077 Results. Searched 200,293 documents.
Enhanced ray-based tomography method
Jonathan Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... can be represented by a piecewise linear function in the lateral direction. Conventionally, repeated PSDM is required after each update of the model...
2024
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
RhoVe Method II: Empirical Density-Temperature-Effective Stress Transform, #42300 (2018).
Matt Czerniak,
Search and Discovery.com
...), and density-VES family of curves, which are the actual applications applied to a well of interest. At no time is the virtual velocity-depth or density...
2018
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
Investigating Depth Structure Uncertainty for Horizontal Well Placement, Bauer Field, Cooper-Eromanga Basin
Erin Shirley
Australian Petroleum Production & Exploration Association (APPEA) Journal
... domain. The first depth conversion method utilised a pseudo average velocity time-depth function methodology. This method was used with the Dn marker...
2018
Aspects of Rock Physics From Laboratory and Log Data that are Important to Seismic Interpretation: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data
A. R. Gregory
AAPG Special Volumes
... pressures: AAPG Bull., v. 42, 1924-1957. Faust, L. Y., 1951, Seismic velocity as a function of depth and geologic time: Geophysics, v. 16, p. 192-206...
1977
Abstract: Seismic Frequency and Stratigraphic Resolution in the Lodgepole Play, by J. A. Andrew; #90952 (1996).
Search and Discovery.com
1996
Imaging the presalt with elastic FWI using OBN data
Gabriel Brando, Benjamin Huard, Luis Cypriano
International Meeting for Applied Geoscience and Energy (IMAGE)
... the shallow post-salt to deep basement depths. Figures 3a,b show post-salt depth slices at 2300 m for the EFWI Image (derivatives of velocity along...
2023
Abstracts: The Conventional and Non-conventional Seismic Differencing; #90173 (2015)
Vanja Vracar and Robert J. Ferguson
Search and Discovery.com
... modelling Stoffa et al. (1990) introduce the SSF migration algorithm, which handles lateral changes in velocity at each depth level taking dipping...
2015
Simultaneous Joint Inversion of Seismic and Gravity Data for Long Offset Pre-Stack Depth Migration in Northern Oman, #41569 (2015).
D. Colombo, M. Mantovani, M. De Stefano, D. Garrad, Hussain Al Lawati
Search and Discovery.com
... depth. The portion of the velocity model deeper than 4 km was therefore finalized using seismic data alone. The obtained depth image (Figure 2...
2015
Depth of Investigation for Linear Flow: Theory and Practice
Arjun Ravikumar, John Lee
Unconventional Resources Technology Conference (URTEC)
..., in general). We also compare the depth of investigation calculated from the impulse function method with the time to the end of linear flow...
2018
Finite-frequency transmission traveltime tomography in VTI media
Fei Luo, Lanlan Yan, Jiexiong Cai
International Meeting for Applied Geoscience and Energy (IMAGE)
... and Thomsen parameters v p 0 , . Combined with the sensitivity kernel function, the linear equations of traveltime tomography of transmitted wave...
2024
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
Evaluation of possible gas microseepage mechanisms
Alton Brown
AAPG Bulletin
.... The relative decrease in velocity due to increased drag is a function of the position of the particle between the walls and the ratio...
2000
Best Fitting of NMO Equations and Depth Conversion
Search and Discovery.com
N/A
ABSTRACT: Application of Stratigraphic Simulation to AVO Analysis, by S. A. Bouman; #91021 (2010)
Search and Discovery.com
2010
Broadband Least-Squares Wave-Equation Migration
Shaoping Lu, Andrew Long, Alejandro Valenciano, Nizar Chemingui
Petroleum Exploration Society of Australia (PESA)
...), and the earth properties at the reflector depth and the overburden (velocity, attenuation). Some of these conditions can be mitigated during acquisition...
2018
Seismic first arrival tomography for top salt velocity update: A case study in the Santos Basin, Brazil
Paulo H. B. Alves, Marco Cetale, Roger M. Moreira, Sérgio L. E. F. da Silva, Jorge Lopez
International Meeting for Applied Geoscience and Energy (IMAGE)
... alleviate depth-velocity ambiguity compared to conventional two-way time tomography. Conversely, Zelt and Barton (1998) underscore the importance...
2024
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
Tackling data challenges in land FWI: A case study
Victor Lopez, Yun Dong Guo, QingYang Li, Bin Yu, Changhua Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... significant improvements to the velocity and seismic imaging were achieved. 4. Reflection Tomography. The initial velocity model was created using well...
2023
A new double-difference earthquake relocation algorithm for models with complex velocity structure
Xinding Fang, Siwei Li, Zhixiang Zhang, Tianrun Chen, Yingcai Zheng
International Meeting for Applied Geoscience and Energy (IMAGE)
..., in which a low velocity zone appears at the depth of 2.7~2.8km and a high velocity Ellenberger layer is atop the basement layer at 3.5km depth (Fang et...
2024
Quantitative seismic interpretations to detect biogenic gas accumulations: a case study from Qaidam Basin, China
Yexin Liu, Zhuoheng Chen, Liqun Wang, Yongshu Zhang, Zhiqiang Liu, Yanhua Shuai
CSPG Bulletin
... be inverted using seismic AVO analysis. The SVM does the training and prediction of petrophysical data based on a function of the form: (10) t ( x...
2015
Least-squares RTM with shifted total variation regularization for depth imaging of sparse short-offset seismic data
Toktam Zand, Andrzej Gorszczyk, Ali Gholami, Hasan Ghasemzadeh, Alison Malcolm
International Meeting for Applied Geoscience and Energy (IMAGE)
...-resolution and stable imaging in the presence of rough migration velocity models. We demonstrate the performance of our method using a short offset academic...
2022