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Showing 2,330 Results. Searched 200,639 documents.
Star: Shallow Time Anomaly Replacement
Michael O. Marcoux, Lee Lu
Southeast Asia Petroleum Exploration Society (SEAPEX)
... velocity of the shallow reflector. This erosion anomaly was filled with low velocity material, 6500 fps. Finally, a zero phase 10–60 Hz wavelet was used...
1982
Two statistical attributes for evaluating attenuation response due to gas hydrates
Emily Jackson, Heather Bedle, Thang Ha
International Meeting for Applied Geoscience and Energy (IMAGE)
... wavelet transform), was used to decompose the seismic into its frequency components and also allowed for spectrally balancing the dataset. Lastly...
2022
Architecture and variability of Lower Wilcox sand prone slope deposits, South Central Texas
Mariana I. Olariu, Hongliu Zeng
International Meeting for Applied Geoscience and Energy (IMAGE)
... Association of Petroleum Geologists Double click here to type your header impedance volume. The ML process reduces tuning and wavelet effects...
2022
Application of accurate sedimentology interpretation method based on cost function in reservoir characterization
Huihuang Tan, Xinyi Duan, Xiaojie Zhang, Wei Gao
International Meeting for Applied Geoscience and Energy (IMAGE)
... Ricker wavelet: Oil Geophysical Prospecting, 31, 605–615. Zhou, D. H., 2015, Super-thick reservoir characterization technique based on spectral...
2022
Hydrocarbon Potential in the Great Sandy Region, W.A.
W. K. Norlin
Petroleum Exploration Society of Australia (PESA)
... seismic CDP stack in the Great Sandy region. Various seismic interpretors within the industry pick different parts of the seismic wavelet as the "Nita...
1984
Discovery of the Cunda Gas Field, Bee Block, North Sumatra: An Integrated Geologic/Seismic Stratigraphic Case History
M. D. Burnaman, R. B. Helm, C. R. Beeman
Indonesian Petroleum Association
... wavelet resolution models were made to understand the complex relationship of reservoir thickness to vertical resolution. A complete description...
1985
The Maitland Gas Discovery - A Geophysical/Petrophysical Case History
K. H. Sit, P. M. Hillock, N. W. D. Miller
Petroleum Exploration Society of Australia (PESA)
... on the downlap surface of the Walcott prograding carbonates (Fig. 6). The Base Tertiary seismic marker is usually only half a wavelet below the Base...
1994
Taking the Plunge
Vidar Hovland, John Thompson
GEO ExPro Magazine
... the water surface accompanying each reflection wavelet. Sanders and Barr resolved this issue and others with the introduction of dual sensor acquisition...
2016
Reflection or Refraction?
Aleksandr Nikitin, Nikolay Amelin, Sergei Pokrovskii, Andrey Lekomtsev
GEO ExPro Magazine
... that refraction tomography use a similar wavelet – Ormsby. velocity clearly improved both the focusing and positioning A comparison of the synthetic models...
2017
Olympus Rising: A Step Change in North Carnarvon Basin Imaging
Julian Mather, Nicolas Hand, Spectrum
GEO ExPro Magazine
... obvious data quality variation between surveys. wavelet by reducing the side lobes, cleaning up the data and subsequently broadening the resultant...
2017
A Network-Accessible Reposity for Petroleum Reservoir Information
R. Ford, D. Thompson, J. Braun
Montana Geological Society
... based on neural nets and wavelet transforms. A preliminary study has recently been completed, in which neural nets are "trained" with existing...
1996
Glauconite Sandstone Exploration: A Case Study from the Lake Newell Project, Southern Alberta, Canada
Kevin Broger, Garth Syhlonyk
Rocky Mountain Association of Geologists
... extracted wavelet, C. synthetic model convolved with lake extracted wavelet, and D the extracted . normalized amplitudes from the target zone (both land...
1995
Rock Physics of Fractured Carbonates
Lev Vernik, Alan Mur
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the TI parameters, which in combination with anisotropic synthetic forward modeling can have a significant effect on seismic tie and deterministic wavelet...
2023
Boulder prediction for offshore windfarm site evaluation using an interactive 2D CNN and a unique weighting scheme on unmigrated seismic
Samuel Chambers, Jesse Lomask
International Meeting for Applied Geoscience and Energy (IMAGE)
... windfarms coefficients and those images were then convolved with a wavelet modeled after what we have seen extracted from sparker data. An example...
2023
Estimation of Reservoir Fluid Saturation from 4D Seismic Data: Effects of Noise on Seismic Amplitude and Impedance Attributes
Rafael Souza, David Lumley, Jeffrey Shragge
Petroleum Exploration Society of Australia (PESA)
... approximation per equation (1). We convolve the computed reflection coefficients with a 50Hz Ricker wavelet to generate the synthetic 3D seismic data image...
2016
Comparison of seismic resolution enhancement techniques: Spectral extrapolation vs spectral balancing
Charles I. Puryear
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Introduction wavelet extraction, spectral inversion with sparsity constraints, and targeted broadband filtering (Puryear et al, 2023) to extend the spectrum...
2023
Pre-drill Reservoir Evaluation Using Passive Seismic Imaging
Charles Sicking, Jan Vermilye, Ashley Yaner
Unconventional Resources Technology Conference (URTEC)
... this method to separate the wavelet propagating in the Earth from the reflectivity. Oppenheim derived the method of using the Fourier transform to take...
2016
New imaging method of fractured-cavity reservoir based on seismic spectrum decomposition: A case study of the Halahatang Oilfield, Tarim Basin, NW China
Chaozhong Ning, Yong Li, Xingfang Liu, Qi Wang, Xiaojuan Deng, Hongliu Zeng, Yintao Zhang, Xiaoming Wang, Jun He, Weiwei Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... are as follows: • Spectrum decomposition: Based on the method of wavelet transformation (WT), the original seismic cube is decomposed into a series...
2024
New Insights into Petroleum Systems and Plays in Angola, the Congo and Gabon from PSDM Sub-salt Imaging
Steve Henry, Al Danforth, and Sujata Venkatraman
Houston Geological Society Bulletin
... elements and to follow sediment distribution pathways. Seismic processing utilized propriety routines for converting the wavelet to zero phase...
2005
Internal small scale reservoir structure prediction of fracture-cavity body
Bohua Zhu, Qi Ran, Yunhao Yang, Ruiyu Gao, Shuyuan , Liang , Shangfeng Yang
International Meeting for Applied Geoscience and Energy (IMAGE)
... respectively, and the surrounding rock is 6000m/s and 2.65g/cc respectively. We carry out forward modelling with 30Hz zero-phase Ricker wavelet...
2024
Seismic Data Processing For a Crucial 2014 2D Seismic Data Acquisition Decision in S Area, South Sumatra Block, South Sumatra, Indonesia
Gerry R. Hutabarat, Danar Yudhatama, Erwin Kusumah, Yusnita Yunus, Stephen M. Scott
Indonesian Petroleum Association
... compresses the basic wavelet in the recorded seismogram, attenuates reverberations, and shortperiod multiples, thus increasing temporal resolution...
2015
A novel approach to hydrocarbon reserves estimation through the integration of AI-based solutions: 3D gamma-ray prediction and 3D seismic clustering
Konstantin Matrosov, Orkhan Mammadov, Tarek Eliva, Ruslan Malikov, Izat Shahsenov
International Meeting for Applied Geoscience and Energy (IMAGE)
... partial angle stacks using Continuous Wavelet Transform and convolutional neural network approach: Journal of Applied Geophysics, 197, 104523, doi: https...
2024
Re-Interpretation of Thrust Fault Based on Integration of New Seismic Processing Pre Stack Time Migration (PSTM) and Well Data, and Its Implication to Waterflood Management in Rahayu Field
Henrikus Panjaitan, Yuanita A Rahayu, Randy A. Pratama
Indonesian Petroleum Association
... of its discontinuity, which then could improve fault delineation (Figure 1). However it will reduce the wavelet frequency that could diminish detail...
2016
Extracting surface wave dispersion spectra directly from the high-speed train induced vibration
Shengpei Xia, Xinyue Pan, Xiaokai Wang, Wenchao Chen, Jingrui Luo, Haixia Zhao, Wenjing Yan
International Meeting for Applied Geoscience and Energy (IMAGE)
... wavelet is shown in Figure 5(c). It can be observed that the results obtained using the traditional method show higher velocities at low frequencies...
2024
Deconvolution Using Matlab Script to Identify Fault-Seal
Maulana Hutama Rahma Putra, Irvan Rahadian Putra
Indonesian Petroleum Association
... the coefficient because this type of deconvultion is powerful when we know the source wavelet is well known. ∑ ∗ Where d(n) is the desired output...
2018