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The AAPG/Datapages Combined Publications Database
Showing 17,696 Results. Searched 200,357 documents.
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
Improving subsalt images using FWI and FWI imaging: A streamer case study at Big Foot
Weihong Fei, Jingru Chen, Min Yang, Leah Grassi, Erik Everson, Paul Bovet, Marin Laomana, Sheree Wold, Alex Yanjun Hao, Chi Chen, Shubin Zeng, Zhiyuan Wei
International Meeting for Applied Geoscience and Energy (IMAGE)
... below the Big Foot salt and nearby Sigsbee salt remain challenging after several rounds of velocity model building and imaging efforts in the last few...
2022
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
Research on reservoir prediction based on compressed sensing and inversion theory
Qing Zhou, Jianli Wang, Qian Yu, Heng Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... and improve the matching relationship between the seismic data and the actual drilling of the well, relevant research has been carried out. The spectrum...
2022
Obtaining near-surface equivalent Q value from uphole survey data
Chaofeng Zhao, Wei Zhang, Jiantao Tian, Liying Ren, Qing Zhang, Jianyu Zhao
International Meeting for Applied Geoscience and Energy (IMAGE)
...-surface Q value. Firstly, conduct three amplitude spectrum ratio calculations on four uphole survey data from two shooting points and two receiving points...
2024
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
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
What do acoustic FWI derived amplitudes mean in terms of elastic properties?
Dhananjay Kumar, Ana Garcia-Ceballos, Joe Dierkhising, Abigail Maxwell, Akkel Paul
International Meeting for Applied Geoscience and Energy (IMAGE)
... product of FWI velocity models. FDR provides improved images below complex overburden compared to conventional seismic imaging. The next objective...
2024
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
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
Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)
Emmanuel L. Bongajum and Bernd Milkereit
Search and Discovery.com
... problem to adequately image reflections from targets (ore body). The perturbations in velocity and density are responsible for fluctuations...
2013
Abstract: Determining Scale Properties from Seismic Transmission Responses: A Modeling Study; #90171 (2013)
Emmanuel L. Bongajum and Bernd Milkereit
Search and Discovery.com
... problem to adequately image reflections from targets (ore body). The perturbations in velocity and density are responsible for fluctuations...
2013
Nonlinear LS-RTM based on the seismic scale separation and full-wavefield multiparameter FWI
ystein Korsmo, Yang Yang, Nizar Chemingui, Andrey Pankov, Antonio Castiello
International Meeting for Applied Geoscience and Energy (IMAGE)
...-squares reverse time migration (LS-RTM) implemented in the framework of FWI. The new inversion estimates the earth reflectivity while updating the velocity...
2022
Gas Hydrates: Part II: Rock Physics, an Introduction
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... (shear) velocities around 1950 m/s. Only small variations with temperature and confining pressure were observed. The ratio between P-wave velocity...
2012