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Showing 16,560 Results. Searched 195,387 documents.
ABSTRACT Plays and Prospectivity Offshore Lebanon, Syria and Cyprus: New Insights from Depth-Imaged Seismic Data, #90104 (2010)
Roberts Glyn; Harmer Charles; Peace David
Search and Discovery.com
... ; Harmer, Charles ; Peace, David (1) Spectrum Geo Inc, Houston, TX. (2) East Meditteranean Exploration Co. Ltd., Surrey, United Kingdom. (3...
2010
ABSTRACT: The Role of Statics Application in The Imaging of Sub-Surface in Fold Belt Areas; #90118 (2011)
Arun Kumar Arya, Bharat Chandra Joshi, and Narinder Pal Singh
Search and Discovery.com
..., and Narinder Pal Singh INTEG, GEOPIC, ONGC, Dehradun, K.U. Almora and Frontier Basin, ONGC, Dehradun. Static corrections to seismic data compensate for velocity...
2011
Abstract: MWD for Shallow Water Demultiple: A Hibernia Case Study; #90174 (2014)
Hongzheng Jin, Min Yang, Ping Wang, Yan Huang, Mervyn J. Parry, and Yvonne Paisant-Allen
Search and Discovery.com
... models with correct relative amplitude and a spectrum similar to the input data’s. SRME, on the other hand, suffers in shallow-water situations...
2014
Exorcising the Ghosts The New Streamer Technology Launched by PGS
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... to nine meters. hydrophone sensors (measuring pressure) and verti¬cal geophone sensors (measuring particle velocity), leading to improved resolution...
2007
Chapter 5: Seismic Trace Inversion
Tom Wittick
North Texas Geological Society
... of each trace on the original seismic line. Once these pseudo-sonic logs have been derived, the velocity spectrum is divided up into intervals...
1992
Seismic Trace Inversion
Abilene Geological Society
... at the location of each trace on the original seismic line. Once these pseudo-sonic logs have been derived, the velocity spectrum is divided up...
1993
Abstract: Model Parametrization Strategies for Newton-Based Acoustic Full Waveform Inversion; #90224 (2015)
Amsalu Y. Anagaw
Search and Discovery.com
... studies the effects of model parameterizations on velocity model building using full waveform inversion with Newton-based optimization method. Three...
2015
Understanding the causes of low frequency shadow below gas hydrates
Ayman Noor M. Qadrouh, Saad Alajmi
Petroleum Exploration Society of Australia (PESA)
... of the centroid spectrum. Moreover, the non-stretch NMO corrections improve the resolution to detect the BSR layer, and a stacked trace can be achieved without...
2019
Extracting Meaningful Estimates of Rock Properties from 3-D Anisotropic Velocity Models Derived from Borehole Microseismic
Scott Taylor, Jeremy King, Ben Schaeffer, Todd Hibbitts, Lucas McGreaham, Khaled Ghuneim
Unconventional Resources Technology Conference (URTEC)
...Extracting Meaningful Estimates of Rock Properties from 3-D Anisotropic Velocity Models Derived from Borehole Microseismic Scott Taylor, Jeremy King...
2016
Resolving Seismic Attenuation Issue through Q-Migration, a Case Study in Sisi-Nubi Field, Indonesia
Bastian Hutahayan, Keat Huat Teng, Kelik Moersidin, Jacques Bonnafe, Natalia Anggriani, Cepi M. Adam
Indonesian Petroleum Association
... the structural images. A total of eight iterations of interleaved Q and velocity tomography updates were performed to optimize the Q and the velocity models...
2015
Full waveform inversion of simultaneous long-offset data
Nizar Chemingui, Alejandro A. Valenciano, Andrew Long
Petroleum Exploration Society of Australia (PESA)
... Perth, WA, 6005, Australia [email protected] SUMMARY The standard workflow for velocity model building (VMB) in complex regimes is an interpretive...
2019
Attributes Assisted Seismic Interpretation in Pre-Stack Time versus Depth Migration Data; #41637 (2015)
Tengfei Lin, Hang Deng, Zhifa Zhan, Zhonghong Wan, Kurt Marfurt
Search and Discovery.com
... migration. Even though the data are properly imaged, the wavelet spectrum is no longer in Hertz, but in wavenumber, which decreases as velocity increases...
2015
Abstract: Multi-component or Vector Dip Filtering Using the S-transform; #90187 (2014)
Kristof De Meersman and Majda Mihoub
Search and Discovery.com
...). (Right) 5Hz local velocity estimate derived from the 5Hz Stransform spectrum using Equation 4. The color map ranges between 0m/s (blue) and 5000m/s...
2014
Abstract: Anisotropy-Preserving 5D Interpolation by Hybrid Fourier Transform; #90224 (2015)
Juefu Wang and Shaowu Wang
Search and Discovery.com
... feature of NUDFT is that it is able to predict data at any arbitrary location once the Fourier spectrum has been optimized using sparse inversion...
2015
Mid-Slope Bottom Currents off the Louisiana Coast
W. J. Wiseman, Jr., and H. H. Roberts
GCAGS Transactions
... 10 day periods, commensurate with the dominant peak of the temperature spectrum and a peak in the northward velocity spectrum from our records...
1999
Effective Use of High Density VSP Measurements to Predict Pore Pressure and Estimate Mud Weight Ahead of Drilling in the Mahakam Delta, Indonesia
Mohammed Badri, Stephane Gazet, Gregoire de Tonnac
Indonesian Petroleum Association
... the interval velocity profile, the pore pressure was then computed by subtracting the effective stress from the overburden stress. These velocities...
2005
Noise Identification in Passive Seismic Hydrocarbon Reservoir Microtremor Data
Muhammad Fadhillah Akbar, Afnimar, Andri Dian Nugraha, Dimmas Ramadhan, Guntur Mulyanagara
Indonesian Petroleum Association
... of potential hydrocarbon reservoir, and how much the noise contributes to the spectrum and attribute values. compared to interaction of seismic waves...
2013
Abstract: Reflectivity Color Correction in Gabor Deconvolution; #90211 (2015)
Carlos Montana and Gary Margrave
Search and Discovery.com
... frequency spectrum with depth. Introduction A generally accepted model for the seismic trace is to consider it as a convolution of the earth seismic...
2015
Abstract: Application of Surface-wave Modeling and Inversion in Cordova Embayment of Northeastern British Columbia; #90187 (2014)
Antoun Salama, Niranjan Banik, Mona Cowman, Kevin Roberts, Anna Glushchenko, Mark Egan, Alfonso Gonzalez, Eric von Lunen, and Jennifer Leslie-Panek
Search and Discovery.com
... of near-surface velocity anomalies Figure 4: (a) Vibroseis Pulse sweep data and (b) Vibroseis conventional sweep data. Figure 5: F-K Spectrum of data...
2014
Abstract: Integration of Well Logs and Seismic Data for Prediction of Elastic Properties in a Heavy Oil Sand Reservoir: Manitou Lake, Saskatchewan; #90171 (2013)
Maria F. Quijada and Robert R. Stewart
Search and Discovery.com
... reservoir. Previous studies have shown that there is little change in the P-wave velocity at the sand/shale interface, while the shear-wave velocity...
2013
Fractured Reservoir Prediction A Case Study in the Sichuan Basin; #10512 (2013)
Ling Yun, Xiangyu Guo, Qianggong Song, and Weisheng He
Search and Discovery.com
.... Afterwards, NMO velocity can be obtain via velocity analysis according to the criterion of flattening the reflections. The velocity spectrum, picked NMO...
2013
Highest Possible Resolution (HPR) Stratigraphic Seismic Imaging Case Study Deep Reef Platform
Norman S. Neidell
Search and Discovery.com
... N.S. Neidell & Assoc., Houston, TX ([email protected]) GGS- Spectrum, Inc., Houston, TX 3 Tsunami Development, Houston, TX 2 Abstract Huygens...
Unknown
The Use Of Full Waveform Inversion And Other Advanced Seismic Processing Techniques To Improve An Already Good Dataset – Nong Yao Field, Gulf Of Thailand
Search and Discovery.com
N/A
Seismic Attenuation Analysis for Reservoir Description
Search and Discovery.com
... and maybe reliable way is to use spectral decomposition, i.e. to do time-frequency analysis on each trace, and from instantaneous amplitude spectrum...
2013
Frequency Attenuation: A Fracture Indicator
Ilyas J. Najmuddin
Houston Geological Society Bulletin
... little direct signature of fractures on a seismic section. Loss of reflection magnitude is one such indicator. Reduction of velocity of the layer...
2001