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The AAPG/Datapages Combined Publications Database
Showing 5,207 Results. Searched 201,051 documents.
Extrapolation of Reservoir Lithology Away from Wells Using Seismic-Geologic Controls
Ruben D. Martinez, Geoffrey Mansfield
Indonesian Petroleum Association
... and constraints are invoked in a two stage iterative inverse procedure, to perturb the lithological model at every point throughout the survey area...
1991
2D Seismic Refraction Tomography Survey on Metasediment at a Proposed Development Site in Dengkil, Selangor
Umar Hamzah, Abd Rahim Samsudin
Geological Society of Malaysia (GSM)
... Tomography Survey on Metasediment at a Proposed Development Site Veloci~ Model BH15 20 20 m E m [ 0 :;:; 10 10 ro ~ [jj <: Q) :::!: 0 J...
2006
Acoustic impedance multichannel inversion constrained by spatial reflection features
Yaming Yang, Xingyao Yin, Kun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... parameters and is widely used in hydrocarbon exploration. However, seismic inversion has an intense uncertainty due to the ill-posedness of the inverse...
2023
Angle-constrained VSP least-squares reverse-time migration based on a high-efficiency stabilized Poynting vector
Xuan Ke, Mauricio Sacchi, Ying Shi
International Meeting for Applied Geoscience and Energy (IMAGE)
...he forward and inverse spatial Fourier transform, respectively. It is important to note that equation (12) is an approximation, which for our imaging...
2023
Comparison of EMD and S-Transform Spectral Decomposition for Characterizing Hydrocarbon Reservoir: Case Study of East Java Basin
Abdul Haris, A. M. Ustad, Didik Ardiyanto, Gadang G. Wihardy, Budiyono, Tri Bowo, Murti Widyawan
Indonesian Petroleum Association
..., a problem of scale frequency in the CWT method is resolved through the inverse Fourier transform of the CWT. This method was later named Time Frequency...
2011
Bakken Well Performance Predicted from Shale Capacity
C. Newgord, M. Mediani, A. Ouenes, P. O'Conor
Unconventional Resources Technology Conference (URTEC)
... density, and (5) oil saturation. For this project, some of the needed well logs were not recorded. As a result, inverse density was used as a proxy...
2015
Joint data and physics model driven full-waveform inversion using CMP gathers and well-logging data
Shuliang Wu, Jianhua Geng
International Meeting for Applied Geoscience and Energy (IMAGE)
..., FWI is a high nonlinear inverse problem (Virieux and Operto, 2009). Therefore, conventional model driven FWI usually requires a good initial velocity...
2023
Seismic reservoir characterization of the Strawn Group, northern part of the Eastern Shelf, King County, North-Central Texas: Case study
Osareni C. Ogiesoba
International Meeting for Applied Geoscience and Energy (IMAGE)
... are interpolated using the inverse-distance weighting method while using the horizons to guide the interpolation process. This step was followed...
2023
Conditional image prior for uncertainty quantification in full-waveform inversion
Lingyun Yang, Omar M. Saad, Tariq Alkhalifah, Guochen Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... nonlinear inverse problems and quantify uncertainties. Similar to the Laplace approximation, the MCMC method is also extremely expensive...
2024
Utilizing Hybrid Array to Distinguish between Hydraulically Connected (Wet) And Stress Induced (Dry) Microseismic Events
N. Verkhovtseva, B. Bagherian, T. Mukhtarov
Unconventional Resources Technology Conference (URTEC)
... of 6100 and 6900 ft, have more events of lower magnitude than โwetโ events. Also, there is an inverse correlation of increasing event count...
2016
Risks of Microseismic Fracture Mapping Mis-interpretation: Source-Dependent Sensitivity Induced by Surface Arrays Observational Bias
Pierre-Francois Roux
Unconventional Resources Technology Conference (URTEC)
... is estimated by taking the maximum of the inverse Fourier transform of its spectral expression [Aki and Richards, 2002]: โฑ๐0 ๐ ฬ ๐ด = maxโก| โก | 4๐๐๐ ...
2017
Viability of long-short term memory neural networks for seismic refraction first break detection ย a preliminary study
Tasman Gillfeather-Clark, Eun-Jung Holden, Daniel Wedge, Tom Horrocks, Carlie Byrne, Matthew Lawrence
Petroleum Exploration Society of Australia (PESA)
... of the raw signal compared to the filtered signal. Commonly this would be the signal to noise ratio. In our case, we consider the inverse so that again...
2019
Single-crystal 40Ar/39Ar Ages for Rocks in the Lower Part of the Frontier Formation (Upper Cretaceous), Southwest Wyoming
John W. M'Gonigle, G. Brent Dalrymple, Charles W. Holmes
Rocky Mountain Association of Geologists
... side of the T e r t i q Green River Basin (Fig. 1). Rocks of the Frontier Formation and other pre-Tertiary rocks make up part of a thrust plate...
1995
Presalt time-lapse seismic monitoring with joint 4D FWI
Filipe Rudrigues, Gabriel Brando, Danilo Albuquerque, Danilo Froes, Benjamin Huard, Luis Cypriano, Roberto Pereira, Adel Khalil
International Meeting for Applied Geoscience and Energy (IMAGE)
... complexity, FWI still deals with an unstable, ill-posed inverse problem, prone to severe ambiguity. To overcome this, we developed a new joint 4D FWI...
2024
Neural network assisted responses simulation and data correction of array laterolog in invaded formations
Yueyang Han, Lei Wang, Donghan Hao, Xiyong Yuan, Nan Wang, Zhen Yang, Jianwen Zhou, Liwei Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... into the true model, resulting in local solutions rather than the desired global solution of the inverse problem. Obtaining an optimized initial model...
2024
Joint full-waveform inversion of time-lapse OBN data at Thunder Horse field
Simon Luo, Esteban Diaz, Madhav Vyas, Ganyuan Xia
International Meeting for Applied Geoscience and Energy (IMAGE)
... baseline and monitor model updates, ๐โ1 is the inverse Hessian matrix ๐๐๐ or a suitable approximation, and ๐ ๐๐๐ is the gradient for the baseline...
2024
Unsupervised compensation of spiral-shaped drone magnetic survey using a recurrent convolutional autoencoder
Brett Bernstein, Yaoguo Li, Richard Hammack, Colton Kohnke
International Meeting for Applied Geoscience and Energy (IMAGE)
... Data, 6, doi: https://doi.org/10.3389/fdata.2023.1174478. Kong, Q., A. Chiang, A. C. Aguiar, M. G. Fernandez-Godino, S. C. Myers, and D. D. Lucas, 2021...
2024
A Fiber-optic Assisted Multilayer Perceptron Reservoir Production Modeling: A Machine Learning Approach in Prediction of Gas Production from the Marcellus Shale
Payam Kavousi Ghahfarokhi, Timothy Carr, Shuvajit Bhattacharya, Justin Elliott, Alireza Shahkarami, Keithan Martin
Unconventional Resources Technology Conference (URTEC)
... by a limited entry approach in zones with similar minimum horizontal stress. The inverse relationship between DAS URTeC 2902641 6 variance and neural network...
2018
How Organic Carbon Content and Thermal Maturity Affect Acoustic Properties (and Ultimately Seismic Response) in a Shale Gas/Oil Formation: Woodford Shale, Permian Basin
Nicholas B. Harris, Al Moghadam, Tian Dong
Unconventional Resources Technology Conference (URTEC)
... was published, other researchers including Vernik and Nur (1992) and Melรฉndez-Martรญnez and Schmitt, 2016) have demonstrated inverse relationships between sonic...
2019
Elastic Mechanical Properties from SEM Imaging in Tight Formations
Joel Walls, Jack Dvorkin, Gabriela Davalos
Unconventional Resources Technology Conference (URTEC)
... (P wave) velocity and shear (S wave) velocity. The wireline log P and S wave velocity is usually expressed as an inverse of velocity called โslowness...
2019
Simultaneous Auto-Calibrations of Complex Fracture Configurations in Multi-Well Development Scenario in Uinta Basin with Embedded Discrete Fracture Model and Multivariate Gaussian Distributions
Yuchen Xiao, Chuxi Liu, Wei Yu, Kamy Sepehrnoori, Corwin Zigler
Unconventional Resources Technology Conference (URTEC)
... techniques and numerical optimization procedure, with field production measurements. The challenge of this inverse calibration process is to find...
2022
Silica Mineral Diagenesis in Neogene Tertiary Shales in the Tempoku District, Hokkaido, Japan
Kiyohiro Mitsui, Kazuo Taguchi
Journal of Sedimentary Research (SEPM)
...: Cristobalite, Q: Quartz. B: Wakkanai borehole. W-100, W-293, W-600, W-764 and W-790 are samples at depths of 100 m, 293 m, 600 m, 764 m and 790 m...
1977
Weddellite Occurrence in Peats and Other Organic-Rich Sediments of Florida
George M. Griffin, Robert K. Sawyer, Shekhar R. Melkote
Journal of Sedimentary Research (SEPM)
... and effect on nutrient and geochemical cycles: Science, v. 198: 4323, p. 1252-1254. GRIFFIN, G. M., WIELAND, C. C, HOOD, L. Q., GOODE III, R. W., SAWYER, R. K...
1984
Factors Necessary to Define a Pressure Seal
David Deming
AAPG Bulletin
..., The banded character of pressure seals, in P. Ortoleva, ed., Deep basin compartments and seals: AAPG Memoir 61. Bethke, C. M., 1986, Inverse...
1994
How burial diagenesis of chalk sediments controls sonic velocity and porosity
Ida L. Fabricius
AAPG Bulletin
... Mechanics and Foundation Engineering: Cambridge Massachusetts, Harvard University, v.ย 3, p.ย 6064.Chen, Q., and A. Nur, 1994, Critical concentration...
2003