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The AAPG/Datapages Combined Publications Database

Showing 5,197 Results. Searched 200,636 documents.

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Efficient subsurface carbon storage modeling with Fourier neural operator

Suraj Pawar, Pandu Devarakota, Faruk O. Alpak, Jeroen Snippe, Detlef Hohl

International Meeting for Applied Geoscience and Energy (IMAGE)

... of β„±(𝑧 ) with a learnable weight matrix (complex number) of shape 𝑑 Γ— 𝑑 which form the weight matrix β„› ∈ β„‚ Γ— Γ— . ο‚· Finally, we perform inverse FFT after...

2023

Unconventional Gas Sources and Carbon Sequestration Interplay in Mui Basin, Kitui County, Kenya

Achoki Obwocha Dennis

Unconventional Resources Technology Conference (URTEC)

... of Mui basin and drill-core boxes were also obtained from the study area. 3.2.1 Geophysical data Inverse model resistivity sections (figure 3-2, 3-3, 3-4...

2016

Subsurface Characterizaton Using Microseismic Velocity, Attenuation, and Ansiotrophy Tomography in a Geothermal Field

Ahmad Syahputra, Andri Dian Nugraha, Rachmat Sule, Sri Widiyantoro

Indonesian Petroleum Association

... The attenuation value of a medium is the inverse of the quality factor (Q); that is the ability of a medium to transmit elastic wave energy. The t* value...

2014

Eavesdrop during sand cleanout well intervention with distributed acoustic sensing

Ivan Lim Chen Ning, Bradley Barnum, Xinhui Min, Monika Valjak, Brian Arias, Yanfen Zhang, Kai Sun, Ozzy Isabu

International Meeting for Applied Geoscience and Energy (IMAGE)

...ation as a dot product (βˆ™) in the frequency domain via the forward and inverse Fourier transform β„± and β„± βˆ’1 , respectively. Note that this is a genera...

2024

Simulation of Polymer Flow in Fracture Networks Using Lattice Boltzmann Method

Rijal Ziya Ulhag, M. Aufaristama, Irwan Ary D

Indonesian Petroleum Association

.... (1982). β€œFlow Behavior of Polymers in Porous Media”, Penwell Books, Tulsa, Oklahoma. Bandulasena H. C. et al. (2011). β€œAn inverse method...

2014

3D deblending for marine towed-streamer data

Yangkang Chen, Min Zhou, Ray Abma

International Meeting for Applied Geoscience and Energy (IMAGE)

...) Here, m 𝑛 is the deblended data after 𝑛th iteration. F and F βˆ’1 are the forward and inverse FFT. T 𝛼 𝑛 denotes the thresholding operator...

2024

Computer Contouring Packages: An Historical View

R. Bugry

CSPG Bulletin

... an inverse-distance-weighted least-squares fit of the nearest data points around the current centroid. The calculation is performed for all grid nodes...

1981

Improve automatic migrated gather processing with feature engineering and 4D convolutional neural networks

Wen Pan, Harry Rynja, Ramakrishna Dandu, Zaifeng Liu, Shuzhen Ye, Antonio De Lilla, Jay Chen, Jeremy Vila

International Meeting for Applied Geoscience and Energy (IMAGE)

... the amplitude after denoise, the inverse AVC is applied to the prediction to restore the amplitude in the seismic (Eq. 5...

2024

Semi-supervised ground-roll wave segmentation with noise label via neural network evolution

Yinshuo Li, Wenkai Lu

International Meeting for Applied Geoscience and Energy (IMAGE)

... is generated from the RT data by zerophase filters. The proposed DL-based method obtains RT output from the RT data, the related band-pass data...

2024

Sonic Log Analysis from Isotropic and Anisotropic Media In Carbonate Reservoir, the Case Study at Stella Alpina Field

Wahyu Tri Sutrisno, Septian Prahastudhi, Ari Teguh Sugiarto, Ayi Syaeful Bahri, Dwa Desa Warnana, Yulia Putri Wulandari

Indonesian Petroleum Association

... of the stiffness matrix (inverse of the compliance matrix). We will not show our work here, but merely quote the result for the case of randomly oriented...

2014

Data on the Relationship of Structural Plans in the Northwest Part of the Dnieper-Donets Depression

V. M. Smelyanskiy, I. Sh. Bierbrauer

Petroleum Geology: A Digest of Russian Literature

...), then the propersition arises as to an inverse inheritance of negative structures of the sedimentary cover with respect to the structural plan...

1965

Resistivity structure of the Link East MT transect in the Southern Curnamona Province

Ben Kay, Kate Robertson, Stephan Thiel, Graham Heinson

Petroleum Exploration Society of Australia (PESA)

... estimation: Geophysical Journal International, 157, 988-1006. Egbert, G.D., and Kelbert, A., 2012, Computational recipes for electromagnetic inverse problems...

2019

Integrating fault kinematics into implicit 3D modelling of fault networks

Lachlan Grose, Laurent Ailleres, Gautier Laurent

Petroleum Exploration Society of Australia (PESA)

... displacements. We demonstrate this with two synthetic examples: a normal fault system and a duplex system. Key words: inverse problem, structural...

2019

Target detectability in regional-scale AEM surveys

David Annetts, Juerg Hauser

Petroleum Exploration Society of Australia (PESA)

... with a line spacing of 1 km are optimal when direct target detection is a survey goal. Key words: airborne electromagnetic, forward modelling, inverse...

2019

Four-component dipole shear-wave reflection imaging in high-angle wells

S. Q. Li, X. M. Zhang, C. X. Zhuang, Q. Wang, H. L. Xiao, X. M. Tang

International Meeting for Applied Geoscience and Energy (IMAGE)

... coordinates onto the earth coordinates, a proper interpolation method (e.g., spline, bilinear, inverse distance weighting, etc., e.g., Press et al., (2007...

2024

The Application of Seismic Attributes to Determine Geomorphology of Submarine Canyons: New Insight from Giant Foresets Formation, Taranaki Basin, New Zealand

Joko Wiyono, Henry W. Posamentier, Wahyu Triyoso, Andang Bachtiar

Indonesian Petroleum Association

... reflectivity. The applied inverse modeling algorithm, basically is a deconvolution between seismic record and seismic wave which then produces the AI...

2015

Quantitative Seismic Geomorphology of Clastic Reservoirs and Systems

Lesli J.Wood

Houston Geological Society Bulletin

... of graph) to distal (right side of graph). However an inverse relationship does exist between slope and sinuosity with sinuosity increasing in areas...

2004

3D GPR data mel-frequency cepstral coefficients features for effective CNN classification of urban utilities

Jide Nosakare Ogunbo, Sang Hun Baek, Sang-Wook Kim

International Meeting for Applied Geoscience and Energy (IMAGE)

... coefficients, 𝑀 is the number of filters in the filter bank (𝐽 < 𝑀) and 𝑋 𝑖 is the log-energy output of the 𝑖-th filter: To facilitate an effective...

2024

Robust seismic data denoising based on factor group-sparse regularization

Mi Zhang, Yang Liuy, Jingming Liy, Gui Cheny

International Meeting for Applied Geoscience and Energy (IMAGE)

... approximation, the inverse Fourier transform is used to restore the data to the time-space domain. EXAMPLES (g) (h) Figure 1: Denoising comparison...

2024

Uncertainty analysis of full-waveform velocity inversion

Kai Yao, Han Yin, Lian Duan, Yu Zhang, Feng Chen, Huili He, Mourad Khdhaouria, Lamia Rouis

International Meeting for Applied Geoscience and Energy (IMAGE)

...rlo solution of tomographic inverse problems: Geophysical Journal International, 216, 1344–1363, doi: https://doi.org/10.1093/gji/ggy496. Ray, A., A....

2024

OBN up/down-going wavefields separation in dual-tree complex wavelet domain

Zhang Libin, Wang Wei, Zou Zhen, Li Yifan, Chen Zhigang, Wang Kebin

International Meeting for Applied Geoscience and Energy (IMAGE)

... coefficients in the 2D DTCWT domain with the operator presented above, (3) 2D inverse DTCWT of the matched Z-component coefficients, and (4) combining...

2024

Simultaneous Inversion for Microseismic Event Location and Velocity Model in Vaca Muerta Formation

Zhishuai Zhang, Jing Du, Fuchun Gao

Unconventional Resources Technology Conference (URTEC)

... geophones are constrained within one single well. Bayesian inference has been widely used in subsurface inverse problems (Tarantola and Valette, 1982...

2017

Using finite dipole lengths in complete earth 3D MT modelling

Wolfgang Soyer, Federico Miorelli, Randall Mackie

Petroleum Exploration Society of Australia (PESA)

.... Mackie, R.L., Miorelli, F., and Meju, M.A., 2018, Practical methods for model uncertainty quantification in electromagnetic inverse problems, SEG...

2019

Understanding the variability of sedimentary basins gravity response through stratigraphic modelling

Vincent Crombez, Luk Peeters, Richard Chopping

Petroleum Exploration Society of Australia (PESA)

... (forward modelling) or using an inversion algorithm to estimate the subsurface density distribution given a set of gravity observations (inverse...

2019

ANALYSIS OF THE TRACE ELEMENT CONTENT OF COALS FROM THE WABAUNSEE GROUP, SOUTHEASTERN NEBRASKA

Sanford S. Kaplan, JAMes D. Carr, Paul B. Kelter

Rocky Mountain Association of Geologists

... by Kowalski (1 9 74). negative correlation, or inverse association, will also be readily observable. Figure 2 illustrates a correlation coefficient diagram...

1983

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