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The AAPG/Datapages Combined Publications Database
Showing 17,675 Results. Searched 195,689 documents.
Using Machine Learning Methods to Identify Coals from Drilling and Logging-While-Drilling LWD Data
Ruizhi Zhong, Raymond L. Johnson Jr., Zhongwei Chen
Unconventional Resources Technology Conference (URTEC)
...) to new uncorrelated variables, called principal components (Jolliffe and Cadima 2016). In other words, it can compress the multidimensional input...
2019
Using Bayesian Leave-One-Out and Leave-Future-Out Cross- Validation to Evaluate the Performance of Rate-Time Models to Forecast Production of Tight-Oil Wells
Leopoldo M. Ruiz Maraggi, Larry W. Lake, Mark P. Walsh
Unconventional Resources Technology Conference (URTEC)
... and 2. We set the upper bound value of 2 on purpose, providing the model the flexibility to treat linear transient flow and to match unconventional...
2021
Rock-Fluid Interaction Impact on Geomechanical and Acoustic Properties in Shale Reservoirs: Anisotropic Grain Contact Adhesion Model
Binh T. Bui, Azra N. Tutuncu
Unconventional Resources Technology Conference (URTEC)
... responsible for the velocity dispersion and attenuation in porous granular media. Effects of petrophysical properties: Porosity is one of the most important...
2014
Imaging the presalt with elastic FWI using OBN data
Gabriel Brando, Benjamin Huard, Luis Cypriano
International Meeting for Applied Geoscience and Energy (IMAGE)
...-suited seismic acquisition type, namely ocean bottom nodes (OBN). The full-azimuth coverage, long offsets, and high signal-to-noise ratio of OBN data...
2023
Improved Subsurface Imaging and Interpretability Through Broadband Reprocessing of Legacy Seismic Data: Examples from North West Shelf Australia
Stephen Malajczuk, Rajesh Saklani, Dean Clark, David Eastwell
Petroleum Exploration Society of Australia (PESA)
... for removing remnant diffracted multiples and shifted apex events. Finally a pass of frequency-dependent noise attenuation was applied, which as the name...
2016
Two Inversion Case Studies from the SCOOP and STACK Area of Oklahoma
Satinder Chopra, Ritesh Kumar Sharma, James Keay
Unconventional Resources Technology Conference (URTEC)
... in a meaningful way. The major processes used in the conditioning are supergathering (3x3), band-pass filtering, random noise attenuation, and trim statics...
2019
Fast, Fully Probabilistic, Nonlinear Inversion of Seismic Attributes for Petrophysical Parameters; #120047 (2012)
Andrew Curtis, Mohammad Shahraeeni, and Gabriel Chao
Search and Discovery.com
... data. The petrophysical inverse problem is significantly non-linear, and due to the large number of data points in a seismic cube we need to apply fast...
2012
The Success Application of Weighted Stack AVO Attribute for Feature Imaging in Horst Trend Area, Arthit Field, Thailand; #20341 (2016)
Ratchadaporn Uttareun, Phansakorn Kaewprain, Prang Sinhabaedya, Noppadol Boonsawang, Helge Ivar Sognnes, Kittipong Srisuriyon
Search and Discovery.com
... related to other interfaces. Thus, these differences could possibly be used for fluid and lithology identification. A linear relationship was derived...
2016
Seismi Guides Interpretation in the Ferron Coalbed Methane Play, by William S. Lyons, #40072 (2003)
Search and Discovery.com
2003
Fault MLReal: A fault delineation study for the Decatur CO2 field data using neural network predicted passive seismic locations
Hanchen Wang, Yinpeng Chen, Tariq Alkhalifah, Youzuo Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... is transformed via a series of linear operations to adopt the source function and noise characteristics of field data. This enriched input enhances the training...
2023
Geological Factors Influencing Porosity Estimates From Velocity Logs
Roberto Sarmiento
AAPG Bulletin
... is more nearly linear than the velocity-porosity relations. For these reasons, we refer mostly to travel time rather than to velocity. METHODS OF STUDY...
1961
Abstract: Enhancement of Microseismic Events Detection Sensitivity by Taking into Account Focal Mechanism Effects; #90224 (2015)
R. Macault and T. Bardainne
Search and Discovery.com
... the stack. A randombased non-linear inversion method « location – focal mechanism » is introduced and show the capability of detecting more low energy...
2015
Practical Stratigraphic Modeling and Interpretation: Section 3. Stratigraphic Models from Seismic Data
M. W. Schramm Jr., E. V. Dedman, J. P. Lindsey
AAPG Special Volumes
..., and attenuation), and other acoustically significant parameters. Further, the subsurface definition should incorporate all pertinent geological and geophysical...
1977
Spherical-Wave Computational AVO Modelling in Elastic and Anelastic Isotropic Two-Layer Media; #41564 (2015)
Arnim B. Haase, Charles P. Ursenbach
Search and Discovery.com
.... AVO analysis and AVO inversion are now widely accepted tools in seismic exploration. Linear approximations of the Zoeppritz equations are commonly...
2015
Antarctic Sediment Drifts and Plio-Pleistocene Orbital Periodicities (Odp Sites 1095, 1096, and 1101)
Marina Iorio, Thomas Wolf-Welling, Tobias Moerz
Special Publications of SEPM
... parameters (Fig. 2 A, B, C). Two of them are (Wolf-Welling et al., 2001a). All these measurements were colGRAPE (gamma ray attenuation porosity...
2004
Analysis of High Resolution Seismic Data: Section 2. Application of Seismic Reflection Configuration to Stratigraphic Interpretation
Herman C. Sieck, George W. Self
AAPG Special Volumes
... of the materials, but in general it increases as the density increases. For this reason, the depth scale on the profiles can not be considered truly linear...
1977
Function-Based Training Image Construction of Fluvial Point Bars: A Modern Analog Example from the Brazos River, Texas; #41560 (2015)
Gregory Benson, Ravi Shekhar
Search and Discovery.com
... the trends observed in the system, these majority facies codes were used as targets for optimizing a linear equation with cell indices I, J, and K...
2015
Determination of Density from Seismic Data; #42456 (2019)
Ritesh Kumar Sharma, Satinder Chopra
Search and Discovery.com
... processing both PP and PS seismic data can be used for a joint impedance inversion. • Finally, multi-linear regression analysis and/or a neural network...
2019
Data selection for velocity model estimation using a circular shot OBN survey
Felipe T. Costa, Sergio L. E. F. da Silva, Ammir A. Karsou, Felipe Capuzzo, Roger M. Moreira, Jorge Lopez, Marco Cetale
International Meeting for Applied Geoscience and Energy (IMAGE)
... method. The gradient of the objective function in the FWI process was used as quality control and indicated artifacts attenuation with an enhanced...
2023
Novel 3-D Field-scale Characterization of Reservoir Fractures Using Surface Seismic Data by the Double-Beam Method and Field Applications
Yingcai Zheng, Hao Hu, Xinding Fang, Robert Stewart
Unconventional Resources Technology Conference (URTEC)
... finite-difference method where discrete fractures are considered as linear slip boundaries (e.g., Schoenberg, 1980; Fang et al., 2013; Fang et al., 2017...
2018
PINNslope: Physics-informed neural network slope prediction and interpolation with positional encoding
Francesco Brandolin, Matteo Ravasi, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... functions (Linear Fourier Features, modified Linear Fourier Features, Random Fourier Features, Gaussian Encoding) are compared to evaluate which one will bene...
2023
Reservoir Characterization and Modeling: A Look Back to See the Way Forward
Xinghe Yu, Y. Zee Ma, David Psaila, Paul La Pointe, Ernest Gomez, Shengli Li
AAPG Special Volumes
... engineering: Journal of Petroleum Technology, v. 25, no. 12, p. 13711379.Rivoirard, J., 1994, Introduction to disjunctive kriging and non-linear...
2011
Estimating subsurface geostatistical parameters from surface-based GPR reflection data using a deep-learning approach
Yu Liu, James Irving, Klaus Holliger
International Meeting for Applied Geoscience and Energy (IMAGE)
... method, even in the presence of high noise levels. Introduction The shallow subsurface consists of soil, glacial and alluvial deposits as well...
2023
Cenozoic Attenuation Detachment Faulting: A Possible Control on Oil and Gas Accumulation in East-Central Nevada (1)
CHARLES T. WALKER , ROBERT D. FRANCIS , JOHN G. DENNIS , and WILLIAM W. LUMSDEN
AAPG Bulletin
...Cenozoic Attenuation Detachment Faulting: A Possible Control on Oil and Gas Accumulation in East-Central Nevada (1) CHARLES T. WALKER , ROBERT D...
1992
Abstract: None of the Models for Southeast Asian Cainozoic Faulting and Subsidence is Satisfactory
Charles S. Hutchison
Geological Society of Malaysia (GSM)
... The fractures and crustal attenuation patterns may have resulted from a high regional heat flux from the mantle, with little help from escape...
1989