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Showing 2,053 Results. Searched 200,691 documents.
Envelope full-waveform inversion of marine seismic data
Kai Xiong, David Lumley, Wei Zhou
International Meeting for Applied Geoscience and Energy (IMAGE)
... Technical Program Expanded Abstracts. Wu, R. S., and G. X. Chen, 2017, Multiscale seismic envelope inversion for strong-nonlinear FWI: Presented at the 87th...
2022
Evaluating performance of a constructed wetland treatment system designed to decrease bioavailable copper in a waste stream
Cynthia L. Murray-Gulde, William C. Bridges, John H. Rodgers Jr.
Environmental Geosciences (DEG)
.... Nonlinear regression analysis (Gauss-Newton) was conducted to test the goodness of fit of the measured concentrations from within the wetland cells...
2008
Automatic detection of SEG-Y sampling format errors using machine learning
Sahana Vinayak, Ray Abma, Sergey Fomel
International Meeting for Applied Geoscience and Energy (IMAGE)
... applies a nonlinear function to it. Later, the output from the first hidden layer is passed to the second layer. The output of the first is the input...
2022
HPC advances and impacts to exploration and reservoir development
Khaled Al Dulaijan, Mohammed Alajaji
International Meeting for Applied Geoscience and Energy (IMAGE)
... of Engineering Research & Technology, 6, no. 1, 1–4, doi: https://doi.org/10.17577/IJERTCONV6IS01001. Tarantola, A., 1986, A strategy for nonlinear...
2022
Designing Coal-Bed Methane Seismic Acquisition Survey Parameters Using Finite Difference Modeling
Abdul Haris, Befriko Murdianto, Adriansyah
Indonesian Petroleum Association
... Offset (AVO). Reflection and transmission coefficients generally are complicated nonlinear functions of medium (1) parameters. Thus, exact expressions...
2009
A robust approach for shear log predictions using deep learning on big data sets from a carbonate reservoir for integrated reservoir characterization projects
Aun Al Ghaithi
International Meeting for Applied Geoscience and Energy (IMAGE)
... layer. ANNs with more than one hidden layer are called deep neural networks. Nonlinear activation functions within ANNs introduce nonlinearity...
2022
Machine learning inversions incorporating geologic information through variational autoencoder and physics-based neural network
Yaoguo Li, Taqi Alyousuf, Andy McAliley
International Meeting for Applied Geoscience and Energy (IMAGE)
... embedded in the forward problem while the statistics-based ML inversion can implicitly incorporate prior information by deriving a complex nonlinear...
2022
Seismic identification of carbonate reservoir sweet spots using unsupervised clustering algorithms: A case study from presalt Mero Field at Santos Basin, offshore Brazil
Marcus Vinicius Rodrigues Maas, Heather Bedle, Marcilio Castro de Matos
International Meeting for Applied Geoscience and Energy (IMAGE)
... faults/fractures/karstification. high K1 anomalies related to its convex up geometry. Another reason for choosing these attributes was the nonlinear...
2022
Estimating elastic wave velocities, attenuation factors, and their frequency dependency by inverting ultrasonic waveforms
Michel M. Nzikou, Alexey Yurikov, Maxim Lebedev, Boris Gurevich
International Meeting for Applied Geoscience and Energy (IMAGE)
... the simplest frequency dependency possible. If the frequency dependency (on bi-logarithmic scale) is nonlinear, Eq. (1) represents a tangent to that dependency...
2022
Use of Geophysical Methods for Study of Borehole Sections in Connection with Calculation of Reserves
V. N. Dakhnov
Petroleum Geology: A Digest of Russian Literature
... of the thickness of the stratum, the specific resistance of the stratum and enclosing rock, the temperature, and a nonlinear relation between the amplitude...
1960
Numerical Upcaling of Coupled Flow and Geomechanics in Highly Heterogeneous Porous Media
Daegil Yang, George J. Moridis, Thomas A. Blasingame
Unconventional Resources Technology Conference (URTEC)
...ined as ...................................................................................................................... (48) where is the solid density. Governing equations are nonlinear since porosity is a function of pressure and displace...
2013
Artificial Neural Networks for Corrosion Rate Prediction in Gas Pipelines
Sumarni, Deden Supriyatman, Kuntjoro Adjie Sidarto, Rochim Suratman, Rinaldy Dasilfa
Indonesian Petroleum Association
..., (4). Each nerve using an activation function (usually nonlinear) to determine the output based on the input. The use of ANN in solving petroleum...
2012
The Greeley 3-D Seismic Survey: One of the Nations Largest Urban Survey Leads to Niobrara and Codell Horizontal Activity
Jack M. Wiener, Tagir Galikeev, Collin Richardson
Unconventional Resources Technology Conference (URTEC)
.... There were a total of 5,217 receiver points and 3,885 source points during the survey. Sweep frequencies were nonlinear, ranging from 8 to 96 Hz...
2014
Solving seismic inverse problems by an unsupervised hybrid machine-learning approach
Mrinal K. Sen, Arnab Dhara
International Meeting for Applied Geoscience and Energy (IMAGE)
... is obtained by operating the data by a series of cascaded layers of neurons applying a series of linear and nonlinear operations on the data. Considering...
2022
Optimizing Short-Term Plume Containment: Comparison of Well Arrangements
Herminio H. Suguino, Richard C. Peralta
Utah Geological Association
... suitable for linear and nonlinear problems. The objective function tried to minimize pumping. Constraints utilized include the following: (a) At each...
1989
Seafloor elastic parameters estimation using a regression neural network
Moacyr de Souza Bezerra, James Simmons, James Gaiser
International Meeting for Applied Geoscience and Energy (IMAGE)
... with the elastic parameters are the Zoeppritz’s equations, which are nonlinear by nature. To perform amplitude vs offset (AVO) inversion, linear approximations...
2022
Geobody-oriented interpretable velocity fusion modeling in depth domain with seismic facies informed segmentation method
Meng Li, Qingcai Zeng, Hao Shou, Nan Qin, Chunming Wang, Tongsheng Zeng
International Meeting for Applied Geoscience and Energy (IMAGE)
..., Y. Zhang, L. Xu, and Y. Hu, 2015, Logistic nonlinear convergence rate for subtle difference identification in seismic data: 85th Annual International...
2023
Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique
Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu
Unconventional Resources Technology Conference (URTEC)
... equation is a nonlinear anisotropic equation. According to the information of different azimuth contained in the stratum structure, the diffusion tensor...
2015
An Estimate of the Conventional Crude-Oil Potential in Alberta
J. T. Ryan
CSPG Bulletin
... with a nonlinear least-squares technique to the oil-in-place and recoverable oil reserves and the parameters determined. Tables 2 and 3 give the values...
1973
Generalization Capability of Data-driven Deep Learning Models for Seismic Full-waveform Inversion: An Example Using the OpenFWI Dataset
Ayrat Abdullin, Umair Bin Waheed
International Meeting for Applied Geoscience and Energy (IMAGE)
... of both methods and demonstrates their effectiveness in solving ill-posed and nonlinear problems, using reflectivity inversion as a specific example...
2023
The Trace of Sandstone Distribution of Q Layers Using Seismic Amplitude and Inversion: A Case Study in Sangatta Field, East Kalimantan
Johny M. B. Mamuaya, Elan Biantoro, Roopa Gir
Indonesian Petroleum Association
...., 1994, Seismic-Guided Estimation of Log Properties. Part 2 Using Arttificial Neural Networks for Nonlinear. Attribute Calibration, The Leading Edge 13...
1995
Seismic Expression of the Versippi Lodgepole Field, Stark County, North Dakota
Jeffrey C. Sprain
Rocky Mountain Association of Geologists
... offsets (< 7500 ft) best image the target interval. Interestingly, the field design of the vast majority of 3-D surveys in the play have nonlinear...
1997
3D3C seismic exploration for tight sand reservoirs: Case study in western China
Wang QinGeng, Hu Shanzheng, Zhao Rongrong, Xie Wanxue, Zhou Ming, Ren Cong, Jing Longjiang, Luo Ji
International Meeting for Applied Geoscience and Energy (IMAGE)
... and the nonlinear global optimization method for residual statics in the study area. The converted wave statics include shot point statics...
2023
Nondestructive testing for wellbore integrity with distributed acoustic sensing
Ivan Lim Chen Ning, Mike Craven, Timothy Tokar, Saptarshi Dasgupta, Paul Benet, Michael Merlino, Craig Feherty
International Meeting for Applied Geoscience and Energy (IMAGE)
... sweep starting from 20 to 360 Hz, as shown in Figure 3. Note that the nonlinear behavior of the spectrogram at the end of the sweep is attributed...
2023
Simultaneous inversion of tight sandstone reservoir fluid and brittleness index based on frequency-dependent AVO
Tianjun Lan, Zhaoyun Zong
International Meeting for Applied Geoscience and Energy (IMAGE)
..., T., and Z. Zong. 2022, High-order viscoelastic prestack seismic nonlinear frequency-dependent inversion method based on scattering matrix: Second...
2023