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Keywords: sequence
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Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583705
... Seismic data go through a sequence of pre-processing steps before being made into an image. Although some work has been done to assess the uncertainties in the final images, how the uncertainty in the pre-processing affects the results remains largely unexplored. We use Normalizing Flows (NF...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594034
... reservoir characterization production logging angle trace correction factor vertical seismic profile reservoir surveillance simulation receiver production monitoring applied geoscience expanded abstract sequence leaney walkaway vsp data seg technical program inversion das data...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594627
... The world-class orogenic gold deposit Cuiabá occurs in a metavolcano-sedimentary Archean sequence of the Rio das Velhas greenstone belt, Quadrilátero Ferrífero in Brazil. The mineralization is mainly associated with hydrothermal alteration of banded iron formation and mafic rocks. The gold...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594957
... learning conventional VSP impedance inversion will be used for impedance and the CNN predicted impedance log. The comparison in the discussion section. problem is formulated as one of many-to-one sequence learning. The network inputs, namely the seismic and the Figure 1: Deconvolved upgoing wavefield...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581815
...Method and application of high precision sequence framework based on well seismic matching Su Mingjun*, Yuan Chen. Northwest Branch Petrochina Research Institute of Petroleum Exploration & Development Summary framework by using log data. Due to the inconsistency between log and seismic data...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3584519
...-linearity challenges, we develop a frequency-stepping approach using a sequence-to-sequence recurrent neural network to address the velocity model building challenge. Input sequences consist of the frequency-domain seismic data ordered by frequency from lowest to highest, while the corresponding output...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3416315
... automatically identify stratigraphic sequence interfaces and analysis algorithms have been introduced into sedimentary extract sedimentary cycle unit sequences from time- cycle analysis field, such as wavelet transform (Liu et al., frequency spectra. As a new idea and approach in 2006), S transform (Wei et al...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3424378
... In this study, a seismic-sedimentology workflow was implemented to improve facies and reservoir interpretation in ultradeep Cambrian carbonate platform-basin system. The thick (>1,200 m), mostly dolomitized carbonates in the study area were divided to six third-order sequences. Four vertical...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427336
... atlas resistivity variation deep structural element sequence onshore morocco Broadband multiphysics modelling and integrated interpretation to unlock exploration potential, onshore Morocco Mattia Speziali*, Federico Ceci, Ivan Guerra, Marco Mantovani, Mauro Pezzoli and Alexis Carrillat...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427415
..., and the seismic data quality and the sequence of seismic wavelets and reflection is improved. The ideal effect is obtained in the reservoir prediction of the Guantao Formation in the Penglai area of coefficients can be expressed by the convolution model [11- the Bohai Oilfield. 12]: Introduction x(m) = f(m) r(m...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427444
... processing and The central reaches of the Magdelena river flow through the imaging sequence in rejuvenating legacy seismic data, Middle Magdelena Valley. Bounded by the Eastern and demonstrated on a data set acquired in a geologically Central Cordilleras of the Colombian Andes, the valley is the complex...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3424849
... A detailed seismic stratigraphy framework for the deep-water Cenozoic deposits in North Carnarvon Basin, is developed using high resolution seismic data along with machine learning techniques. The workflow allows to characterize architectural elements and relate them to a sequence stratigraphy...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428441
... and the cyclicity embedded in the geological record. Conventional timedomain analysis is carried out to understand the general trends in the IMFs, which enables us to better identify longterms cycles associated with Transgressive-Regressive (TR) sequences. Then, by appropriately selecting a given IMF and extracting...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427844
... The presence of high velocity volcanics in a sedimentary sequence presents unique imaging challenges for Pre-Stack Depth Migration (PSDM). By their nature, volcanic geobodies have a varying thickness, velocity fill and extent, and require detailed interpretation to be represented accurately...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428046
.... In this high-frequency sequence stratigraphic investigation of a Neogene Gulf of Thailand fluvial system, there are three distinct pattern-types recognized: meander cutoff, channel chute avulsion, and entire abandonment. The first two patterns are local abandonment of channel segments during fluvial lateral...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215187
... reservoir characterization lawrence berkeley seismicity earthquake original catalog catalog source martin schoenball sequence annual meeting injection upstream oil & gas oklahoma Barbour , A. J. , J. H. Norbeck , and J. L. Rubinstein , 2017 , The effects...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215237
... Station 2 Presentation Type: Poster convolutional recurrent neural network neural network sequence artificial intelligence dataset seismic facies recurrent neural network seismic trace seismic waveform deep learning interpreter rnn annual meeting operation reservoir characterization...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215375
... estimation correlation coefficient sequence artificial intelligence neural network dropout layer annual meeting Bader , S. , X. Wu , and S. Fomel , 2018 , Missing log data interpolation and semiautomatic seismic well ties using data matching techniques : Interpretation...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3202612
...-related erosion and deposition. Presentation Date: Monday, September 16, 2019 Session Start Time: 1:50 PM Presentation Time: 2:40 PM Location: 217C Presentation Type: Oral broadband waterborne hammer seismic source sequence round lake penetration reservoir characterization reflection...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3198037
... and irregular data coverage. The use of magnetotellurics (MT) has become a successful complementary tool, due to good sensitivity to the deep resistive targets typically encountered below folded sequences of more conductive units. Due to non-uniqueness and resolution limitations, MT 3D inversion requires...

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