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The AAPG/Datapages Combined Publications Database
Showing 34,457 Results. Searched 200,357 documents.
High Frequency Borehole Seismic Acquisition and Its Applications for Reservoir Delineation of the Bunyu Field, Onshore Kalimantan, Indonesia
Adriansyah, Patricius Sembiring, Mohammed Badri, Azhar Akhtar
Indonesian Petroleum Association
... of the geophone, depth of objective, geologic dip, vertical velocity variation, and well deviation. The principles of the VSP method are described...
2005
Statistical Mitigation of Depth Structure Uncertainty Using Multiple Realizations for the Ujung Pangkah Field
Donald Easley, Ferry Yustiana, Willy Brianno
Indonesian Petroleum Association
... at this is the sediment rate of 1 m/year with velocity of 300 m/s is approximately 3 ms/year change one way or 6 ms/year two ways of statics. From...
2011
Abstract: Enhanced Surface Seismic Data Processing Using Simultaneous Acquired DAS-VSP Data; #91204 (2023)
Gang Yu, Jinliang Xiong, Junjun Wu, Yuanzhong Chen, Yingshui Zhao
Search and Discovery.com
... range can be obtained directly from the VSP data. The formation velocity, absorption attenuation, anisotropic parameters and other information obtained...
2023
Fluid Substitution Modeling to Determine Sensitivity of Time-Lapse 3-D Vertical Seismic Profile Data to Injected CO2; #41902 (2016)
Kimberley Haar, Robert Balch
Search and Discovery.com
... in the downward direction to receivers in the well-bore, reducing the effect of attenuation in near-surface formations. 3D VSP surveys at Farnsworth can...
2016
Seismic HC Reservoir Prediction: A (Critical) Review on the Determination of Lithological Parameters from Seismic Data
Burkhard Buttkus
Geological Society of Malaysia (GSM)
... of a NW -SE orientated line, running through well P3, are shown on Figure 2 with an abrupt lateral velocity change between SP67 and SP79 which...
1985
First Implementation of Hybrid Fiber Optic Cable in Indonesia - Carbon Reduction through Leading-Edge Technology
Marsha Sakina, Dinda Larasati Rahmani, Fajar Tri Prasetia, Cikko Majesta, Francesco Miranda
Indonesian Petroleum Association
...-based micro imager—the dipping velocity model (Figure 15). The updated velocity model corrects the normal moveout effect for 2D VSP common depth...
2023
AbstractThe Effect of Bandwidth on Land VSP Quality, by T. Dean, J.R. Tulett, M. Puckett, and D. Lane , #90188 (2014)
Search and Discovery.com
2014
Fault Detection Using Borehole Seismic Surveys
J. W. Munns and D. Mullen
AAPG Special Volumes
... effect is reduced and the single trace processing used in VSP avoids problems of CDP stack degradation caused by a rapidly varying velocity field...
1987
A case study: Joint 3D surface seismic and VSP survey and its effect in complex structural areas of southwest China
Huang Yuanyi, Liang Xing, Jiang Liwei, Li Xuefeng, Wang Changhui, Hu Jiang, Cheng Gaoming, Jin Zhigang, Wang Lifeng, Zhang Sheng, Wang Qiangjun, Sun Jiangwei
International Meeting for Applied Geoscience and Energy (IMAGE)
... A case study: joint 3D surface seismic and VSP survey and its effect in complex structural areas of southwest China and velocity field in the whole area...
2023
Full Waveform Acoustic Logging: Part 7. Geophysical Methods
C. H. Cheng
AAPG Special Volumes
... (compressional) wave traveltime through the rock. ull waveform acoustic logs, however, provide a large amount of other information. This includes S (shear...
1992
CMP domain near-surface velocity model building based on deep learning
Yihao Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... is an essential step. Accurate near-surface velocity model helps to improve static correction and deeper structure imaging. First arrival traveltime...
2022
Towards Quantitative Assessment of 4D DAS Time Shifts for Enhanced Stimulated Rock Volume Characterization
Yesser Haj Nasser
Unconventional Resources Technology Conference (URTEC)
... other than the author without the written consent of URTeC is prohibited. Abstract 4D DAS VSP is a real-time in-situ monitoring technique...
2022
Research on first break picking based on deep learning for DAS-VSP data
Naijian Wang, Yinpo Xu, Yuxin Hou, Yingjie Pan, Mingxing Wang, Chun Zhang, Tianfu Yang
International Meeting for Applied Geoscience and Energy (IMAGE)
... learning for DAS-VSP data significant change in the cluster center, so the uniform distribution of labeled shot extracted is achieved. At the same time...
2024
Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey
Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham
Indonesian Petroleum Association
... see at iteration 1 and 2 is due to previously undefined overburden heterogeneity (lateral velocity change) and not change of velocity with direction...
2011
Abstract: Q-estimation from Uncorrelated Vibroseis VSP Model Data; #90172 (2014)
Arnim B. Haase
Search and Discovery.com
... zero-offset VSP is computed for the homogeneous case of constant velocities and constant densities and assuming Q = 50. Secondly, the Ross Lake velocity...
2014
VSP Survey in the Thonex Geothermal Well New Characterization of Potential Carbonatic Geothermal Reservoirs, #80646 (2018).
Luca Guglielmetti, Andrea Moscariello, Flavio Poletto,, Piero Corubolo,, A. Scheifer,, B. Farina, Fabio Meneghini, Francois Martin, Carole Nawratil de Bono,, Michel Meyer, Chrystel Dezayes, Adnand Bitri
Search and Discovery.com
... lithologies; Evaluate the effect of faults on rock properties (reflectivity); Acquire an accurate velocity model to calibrate better the current interpretations...
2018
Wave scattering by the formation velocity perturbation surrounding a fluid-filled borehole
Zhou-Tuo Wei
International Meeting for Applied Geoscience and Energy (IMAGE)
... the measurement is made, producing certain effect on seismic waves. For example, the heterogeneities of formation velocity and bulk density will cause...
2022
Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data
Paul L. Stoffa
Circum Pacific Council Publications
.... To change from two-way normal time to depth, and to acquire images of reflection events properly by migration, requires accurate velocity-depth...
1989
A Coupled Petrophysical-Geophysical Model Demonstrates Velocity Dispersion in a Thin-bedded, Fluvial Reservoir; #40913 (2012)
Richard C. Odom
Search and Discovery.com
... such as the Frio Formation: 1. Thin-bed velocity-dispersion is a potent effect in these types of reservoirs; 2. Lateral heterogeneity in dispersive parameters may...
2012
Research of high-precision depth interpretation method for low-amplitude offshore reservoir and its application in C oilfield, Bohai Bay Basin
Wenbin Li, Jianli Wang, Zhenglong Zhang, Heng Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... to fast lateral velocity change, poor quality of seismic velocity, time-depth conversion only based on velocity interpolation of several existing...
2022
Fracture Estimation Using a P-Wave Azimuthal Attribute Analysis in the Cagüi Area: Abstract
Jorge Monsegny, Carlos Piedrahita
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... amplitude, AVO gradient, velocity and traveltime. Each one of them shows azimuthal dependent variation which is evidence of a fracture induced anisotropic...
2009
Seismic Imaging Through Gas Cloud Using Borehole Seismic Walkaway Technique; A Case Example From Offshore Malaysia
Teck Kean Lim, Gunawan Taslim, Amy Mawarni M Yusoff
Indonesian Petroleum Association
... estimation (Figure-2). The low velocity of the gas saturated area causes a “pull-down” effect, as well as ray bending of P waves passing through the gas...
2008
Abstract: Raypath-Consistent Shear Wave Statics; #90224 (2015)
Raul Cova, David Henley, and Kris Innanen
Search and Discovery.com
... to very low velocity values the magnitude of the S-wave statics is several times larger than the P-wave statics, producing a very destructive effect...
2015
Unlocking the Potential of Conventional Narrow Azimuth Data by Full-Waveform Inversion: a Deep Carbonate Imaging Case Study, Offshore Indonesia
Jun Wang, Yonghe Guo, Putri Supriandini, Bahrul Yusrie, Natalia Anggriani
Indonesian Petroleum Association
...* Bahrul Yusrie* Natalia Anggriani* ABSTRACT Full-waveform inversion (FWI) has evolved to be the contemporary solution to resolve velocity models in areas...
2021
Defining a Steeply-Dipping Salt Flank in Mississippi with a New High-Certainty 3D Method
Nicholas Brooks, Pat Donais, Werner Heigl, Jakob Haldorsen, Fred Li
GCAGS Transactions
... body. We use a standard vertical seismic profile (VSP) array tool and require no rigid interconnects or gyroscope, as is the case with conventional VSP...
2015