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The AAPG/Datapages Combined Publications Database

Showing 735 Results. Searched 200,619 documents.

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Seismic imaging in shallow water: where are we at and where might we be going?

Henry A. Debens, Robert Eliott-Lockhart, Jennifer Moss

Australian Energy Producers Journal

.... The flavour of LS-RTM used (Fig. 3b) provided improved wavelet de-convolution and amplitude balancing relative to more-conventional RTM (Fig. 3a...

2025

Deep learning Laplace-Fourier full-waveform inversion with virtual supershot gathers

Lei Fu, Daniele Colombo, Weichang Li, Ernesto Sandoval-Curiel, Ersan Turkoglu

International Meeting for Applied Geoscience and Energy (IMAGE)

... layers and an output layer. The 4 densely connected layers contain 256, 256 128, and 128 nodes. The CNN consists of four 1D convolution layer...

2022

Whats Your Gas Worth: A Thrilling or a Taxing Matter?

Kenneth Wee

Australian Petroleum Production & Exploration Association (APPEA) Journal

... their own share of convolution, controversy and contention. Where the gas is taxed at a ‘midstream’ point antecedent to a sale, it becomes more complicated...

2019

Broadband reconstruction of seismic signal with generative recurrent adversarial network

Zhijun Zhang, Wei Song, Wei Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and the discriminator is to build the loss function by introducing Wasserstein distance to ensure no problem of gradient vanishing at any time. When using convolution...

2022

Enhancing the accuracy of DBSCANs first arrival traveltime picking using super-virtual refraction interferometry

Muhammad Awais, Sherif M. Hanafy, King Fahd

International Meeting for Applied Geoscience and Energy (IMAGE)

... crosscorrelation and convolution among direct arrivals, reflections, refractions, and ground rolls. To achieve the best results, the window is aimed...

2022

Accelerated Kirchhoff depth migration on CPU-GPU heterogeneous computing systems

Yujin Liu, Hongwei Liu, Yi He, Fuhao Qin, Yue Du

International Meeting for Applied Geoscience and Energy (IMAGE)

... -! (#, ), *) and weighted by an appropriate factor '(#, ), *). The amplitude factor should also include a one-dimensional convolution by a derivative filter...

2022

Imaging and fold comparison of mirror reverse time migration vs. interferometric imaging for VSP data

Liwei Cheng, James Simmons, Ali Tura

International Meeting for Applied Geoscience and Energy (IMAGE)

... migration. As a result, the anticline and shallow layers are well-defined and consistent with the convolution trace when the migration velocity model...

2022

Automated metallic pipeline detection using magnetic data and convolutional neural networks

Brett Bernstein, Yaoguo Li, Richard Hammack

International Meeting for Applied Geoscience and Energy (IMAGE)

... such that their sum is 1. Our network design uses two convolution and two max-pool layers. More than one of each may risk overfitting the network...

2022

Lithofacies prediction of shale based on broadband spectral inversion

Hongmei Luo, Yiran Xing, Changjiang Wang, Jingtao Zhang, Peijie Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

... to the time domain convolution theory, the effect of seismic wavelet is removed from the seismic record, and then the reflection coefficients are obtained...

2022

An optimal aperture crosscorrelation imaging condition for Marchenko imaging

Xiaochun Chen, Yezheng Hu, Yukai Wo, Weiping Cao, Xuri Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... , x F , t  0  ) as an image value at image point x F . In equation 3, the asterisk  denotes temporal convolution. In our work, only the first arrival...

2022

Insights using machine learning in predicting faults and horizons: A case study onshore Texas

Dan Ferdinand Fernandez, Mustafa Karer, Richard Hearn, Ryan King, Sunil Manikani, Gavin Menzel-Jones

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Convolutional Neural Network for faults For fault prediction, ML technology using a deep convolution neural network (CNN) U-NET architecture adapted...

2022

Production and Reservoir Property Determination Using Integrated Pressure Measurement Techniques

W. Douglas Morgan, Manfred J. Wittmann, Bruno J. Deruyck

Indonesian Petroleum Association

... technique (Slider 1983) were used in addition to the normal Horner semilog analysis. Also downhole rate convolution (D. Meunier et al., 1985) was used...

1987

Seismic data interpolation via frequency-constrained 3D inception Unet

Yen Sun, Paul Williamson

International Meeting for Applied Geoscience and Energy (IMAGE)

... absolute errors in time and frequency domains. The inception modules (Szegedy et al., 2014) contain parallel paths with convolution blocks of different...

2022

Using deep learning for automatic detection and segmentation of carbonate microtextures

Claire Birnie, Viswasanthi Chandra

International Meeting for Applied Geoscience and Energy (IMAGE)

... the common Masked Region-based Convolution Neural Network from computer vision can be adapted to the task of identifying individual micrite crystal...

2022

Statistical Characterization and Geological Correlation of Wells Using Automatic Learning Gaussian Mixture Models

David, Lubo, Vikram Jayaram

Unconventional Resources Technology Conference (URTEC)

... to quantitative seismic interpretation. Ties using a poststack or prestack convolution model are routine, while supervised classification tying well data...

2014

Volumetric supervised contrastive learning for seismic semantic segmentation

Kiran Kokilepersaud, Mohit Prabhushankar, Ghassan AlRegib

International Meeting for Applied Geoscience and Energy (IMAGE)

... separable convolution for semantic image segmentation: Presented at the Proceedings of the European conference on computer vision (ECCV), 801–818. Chen...

2022

Shaping regularization by fast explicit diffusion

Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

...), can be expressed in the infinite domain in the form of spatial convolution u0 (x0 ) G(x − x0,t) dx0 , un , (15) The explicit recursion...

2022

Impact of an Integrated Seismic Data Processing Approach: A Case Study in Central Sumatra

Mars E. Semaan, Eddy Murhantoro, Maryanto, Achmad Bermawi, Budi Subianto, Hari Santoso

Indonesian Petroleum Association

.... The convolution of this filter with the input data produces the wavelet processed section shown at the bottom of Figure 1. Inversion for the Acoustic...

1992

Incorporating information on varying sedimentation rates into paleontological analyses

Niklas Hohmann

PALAIOS

... a convolution), or as a randomization of a simulated fossil record (Tomaˇov´ ch and Kidwell 2010; Kallenberg 2017; Hohmann 2018; s y Hohmann 2019a, 2019b; Online...

2021

OpenFWI 2.0: Benchmark Datasets for Elastic Full-waveform Inversion

Shihang Feng, Hanchen Wang, Chengyuan Deng, Yinan Feng, Min Zhu, Peng Jin, Yinpeng Chen, Youzuo Lin

International Meeting for Applied Geoscience and Energy (IMAGE)

... stacked upsampling and convolution blocks for improved ∂ 2u 2 2 2 − ∇[ρ(VP − 2VS )(∇ · u)] − ∇ · [ρVS (∇u + (∇u)T )] = s. ∂t 2 (1) Here, u = (ux , uz...

2023

Direct S-wave seismic data interpretation for channel sand reservoir at Sanhu area, West China

Rui Zhang, Zhiwen Deng, Yan Wang, Xiaoyu Xi, Xiusong Wang, Jie Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The inversion of S2 data utilize amplitude-versus-angle (AVA) characters, assuming that the pre-stack S2 data is the convolution result of wavelet...

2023

Nonuniform dispersed source arrays for broadband seismic acquisition

Joaqun A. Acedo, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... i stands of ideal and ∗k means convolution in the wave-number domain. The recovering process of NU-DSA entails solving an inverse problem...

2023

Elastic impedance parameterization and inversion for fracture quasi-weaknesses and quasi-Thomsen parameters in fractured reservoirs with monoclinic symmetry

Wei Xiang, Xingyao Yin, Kun Li, Zhengqian Ma

International Meeting for Applied Geoscience and Energy (IMAGE)

... by generating the convolution of the reflection coefficient calculated by Eq. (8) and a 30Hz Ricker wavelet, which is shown in Figure 3(a). Gaussian...

2023

Competition and the Quest for Offshore Leases

C. E. McMichael, R. W. Stephens

GCAGS Transactions

... other factors considered by means of convolution or Monte Carlo methods using a computer program of the necessary type. For our example (Fig. 10...

1976

Acoustic impedance multichannel inversion constrained by spatial reflection features

Yaming Yang, Xingyao Yin, Kun Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... is an elastic parameter reflecting the properties of subsurface rocks and can be obtained from seismic data. According to the convolution model...

2023

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