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Showing 33,735 Results. Searched 197,434 documents.
GeoStreamer X Delivers Near-Field Multi-Azimuth Dataset for Accurate Lead Characterisation, South Viking Graben, Norway
Cyrille Reiser, Eric Mueller, PGS
GEO ExPro Magazine
... these datasets were regularised and migrated as a single five-dimensional volume. Figure 3: Regional full stack GeoStreamer X relative acoustic impedance random...
2021
Time-Lapse Petro-Elastic and Seismic Modeling to Evaluate Fracturing Efficiency in Low-Permeability Reservoirs
Masoud Alfi, Zhi Chai, Anshuman Pradhan, Travis Ramsay, Maria Barrufet, John Killough
Unconventional Resources Technology Conference (URTEC)
... the depth variability in the properties, minimal random noise is added, sampled from the Gaussian distribution 𝒩(0,1), to the properties of overlying...
2018
On The Possible Causes of Continental Drift
A. E. Scheidegger
CSPG Bulletin
... to indicate that the drift is to a degree random. Accordingly, a random walk model with autocorrelation would best fit the postulated values. This idea had been...
1958
Numerical Modeling of Adsorption and Roughness Effects on Gas Transport in Shale Using the Lattice Boltzmann Method; #42070 (2017)
Yan Zeng, Zhengfu Ning, Yunan Li
Search and Discovery.com
... effect of slippage overwhelms the negative effect of adsorption. Under lower pressure, slippage is stronger and the volume of adsorption is less, leading...
2017
Structural Interpretation of Gravity Data
W. R. Sype
Tulsa Geological Society
... as smaller random effects comparable to "noise" in seismic work. Methods of processing the total gravity map are designed in general to remove...
1954
From Sensor to Image
Tom Hay, Mehul Supawala, Tim Brice
GEO ExPro Magazine
... the use of modulated codes instead of random remains a discussion point for the industry. In the early part time dithers, facilitating improved...
2019
Fast Probabilistic Forecasting of Oil Production using Monte Carlo Simulations on Data Driven Acquisition of Decline-Curve Parameter Distributions
V.B.K. Chavali, W. J. Lee
Unconventional Resources Technology Conference (URTEC)
... attributable to the effect of noise). URTeC 5696 3. 6 If the fraction of number of inliers over the total number of samples exceeds a predefined...
2021
Detection of shallow sedimentary structure of Yigong Lake in Tibetan Plateau using distributed acoustic sensing
Jian Zhou, Jizhong Yang, Heng Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... to obtain NSFs. Next, we perform linear stacking of all the time segments for each cross-correlation pair to average the effect of temporal noise...
2022
Spatial statistical analysis and geomodelling of banana holes using point patterns and generative adversarial networks
Rayan Kanfar, Charles Breithaupt, Tapan Mukerji
International Meeting for Applied Geoscience and Energy (IMAGE)
... and Nichol 2021). Diffusion models learn the same transformation as GANs by defining a Markov chain of diffusion steps that add random noise to real...
2023
Fracture Characterization Based on Attenuation Estimation From Seismic Reflection Data Using Well-Log-Based Localized Spectral Correction
Fangyu Li, Tao Zhao, Tengfei Lin, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
... from a simple convolution model (noise free) (Sheriff and Geldart, 1995): a(t ) s( )r (t ) d , (2) where, a t is the reflected...
2015
Subsurface Surveillance in Low Permeability Oil Reservoir at Tanjung Field Barito Basin South Kalimantan
Trisakti Kurniawan, Bambang Prasetiyo, Darwin Tangkalalo
Indonesian Petroleum Association
... consistency, such as random noise attenuation, but it did not help much so conditioning or reprocessing on the raw gather seismic data was recommended...
2010
Abstract: Where Does the Proppant Go? Examining the Application of Electromagnetic Methods for Hydraulic Fracture Characterization; #90224 (2015)
Lindsey J. Heagy, Douglas W. Oldenburg, and Jiuping Chen
Search and Discovery.com
... scale. Maxwell’s electromagnetic equations are then solved on a reservoir scale. Results indicate that signal well above the expected noise level should...
2015
Back to the Rocks: New Petrophysical Model for Siliciclastics Engaging Old Petrological Techniques, #10346 (2011)
Melissa Vallee
Search and Discovery.com
... as a characteristic Hutton Sandstone. Modal analyses were performed based on 200 counts per slide in different random traverses in order to construct a quartz...
2011
Capturing Geological Realism in Stochastic Simulations of Rock Systems with Markov Statistics and Simulated Annealing
Kevin P. Parks , Laurence R. Bentley , Allan S. Crowe
Journal of Sedimentary Research (SEPM)
... in a succession as a component of random noise so long as the depositional process remains stationary at the scale of interest (Doveton 1994). Markovian...
2000
Web-Based Technologies for Real-time Directional Survey Quality Improvement
Jarrod S. DeVerse, Stefan Maus
Unconventional Resources Technology Conference (URTEC)
... in the natural magnetic field, poor instrument calibration, random sensor noise, magnetic mud, and human error. Often times, such errors go unrecognized...
2016
The Comparative Reliability of Magnetic, Photometric and Microscopic Methods of Determining the Orientations of Sedimentary Grains
Asahiko Taira, Barry R. Lienert
Journal of Sedimentary Research (SEPM)
...-axes to individual grain elongation directions has little effect on the validity of the method. For the magnetic susceptibility anisotropy method, we...
1979
Broadband Data from Flat Streamers: Considerations for Acquisition and Processing
Phil Fontona, Edward Hager
Indonesian Petroleum Association
... range hydrophone-only streamer technology. For the receiver tow-depth we need to consider the effect of swell noise and the zero-notch ghost...
2015
Volumetric supervised contrastive learning for seismic semantic segmentation
Kiran Kokilepersaud, Mohit Prabhushankar, Ghassan AlRegib
International Meeting for Applied Geoscience and Energy (IMAGE)
... semantic segmentation using deconvolution networks (Alaudah et al., 2019a). Deep learning was also utilized for the task of acoustic impedance estimation...
2022
ABSTRACT 4D Seismic Monitoring of CO2: Practical Considerations, #90103 (2010)
David Lumley
Search and Discovery.com
... and images, especially the level of non-repeatable noise and complexity of wavefields, determines whether the CO2 can be accurately detected and quantified. I...
2010
Impact of Reservoir Heterogeneity on Steamflood Performance
M. Kumar
Indonesian Petroleum Association
... CIM/SPE 90–96 presented at the Petroleum Society of CIM/SPE International Technical Meeting, Calgary. 23. Voss, R. F., 1985. Random Fractal Forgeris...
1993
Chapter One: Introduction to AAPG Memoir 42/SEG Investigations in Geophysics, No. 9, 7th Ed.
Alistair R. Brown
AAPG Special Volumes
... to the embedding material, the random and systematic noise in the data, and the phase of the seismic wavelet. Figure 1-5. Resolution of the reflections...
2011
Characteristics of Microzonation Modelling in Reservoir Evaluation
Search and Discovery.com
N/A
Predicting and Detecting Carbonate Cemented Zones Within Latrobe Group Reservoirs of the Gippsland Basin
Mark Bunch
Petroleum Exploration Society of Australia (PESA)
... if the acoustic properties of the units comprising such features remain constant. The field survey data also bear overprints of both random and coherent noise...
2018
Abstract: A Regional Erosion Surface and Its Effect on the Smackover Reservoir-Seal System Along the South Arkansas – North Louisiana Jurassic Shelf, by Ezat Heydari and Lawrence R. Baria; #90085 (2008)
Search and Discovery.com
2008
Geomechanical and Flow Simulation of Hydrofracs Using High-Resolution Passive Seismic Images
Alfred Lacazette, William Dershowitz, Jan Vermilye
Unconventional Resources Technology Conference (URTEC)
... as in reflection seismic processing (trace fold). The second stacking step (time fold - summation of time steps) cancels random noise and accumulates...
2014