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   Articles with "well logs" as a keyword



COALINLAS, a software for detecting coal beds in well-logs

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recommendations! Published in 2018 at "Earth Science Informatics"

DOI: 10.1007/s12145-018-0357-3

Abstract: In this paper, the algorithm and working method of the software are described, which allows the detection of depth and thickness of coal beds by digital information in well-logs. The software known as COALINLAS is… read more here.

Keywords: well logs; algorithm; coal beds; core sampling ... See more keywords
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Large undiscovered oil resources are predicted south of Russia

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recommendations! Published in 2019 at "Journal of Petroleum Exploration and Production Technology"

DOI: 10.1007/s13202-019-0611-3

Abstract: Stavropol Region is one of the oldest petroleum provinces on South of Russian Federation. Today, most of its fields are depleted and prospects for the discovery of new large hydrocarbon deposits considered exhausted. However, our… read more here.

Keywords: well logs; tectonic element; undiscovered oil; large undiscovered ... See more keywords
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Review of diagenetic facies in tight sandstones: Diagenesis, diagenetic minerals, and prediction via well logs

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recommendations! Published in 2018 at "Earth-Science Reviews"

DOI: 10.1016/j.earscirev.2018.06.009

Abstract: Abstract The tight sandstones are characterized by low porosity, low permeability, complex pore structure and strong heterogeneity due to the extensive diagenetic modifications they experienced. Understanding of the impact of diagenetic alterations on reservoir quality… read more here.

Keywords: well logs; tight sandstones; diagenetic minerals; via well ... See more keywords

Statistical analysis of pulsed-neutron well logs in monitoring injected carbon dioxide

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recommendations! Published in 2018 at "International Journal of Greenhouse Gas Control"

DOI: 10.1016/j.ijggc.2018.05.023

Abstract: Abstract Pulsed-neutron well logs (PNLs) were acquired to monitor CO2 storage associated with enhanced oil recovery. This work quantifies the precision of repeat PNLs using data from four wells and 15 repeat PNLs. Root-mean-square (RMS)… read more here.

Keywords: well logs; repeat pnls; pulsed neutron; neutron well ... See more keywords
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A step toward the practical stratigraphic automatic correlation of well logs using continuous wavelet transform and dynamic time warping technique

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recommendations! Published in 2019 at "Journal of Applied Geophysics"

DOI: 10.1016/j.jappgeo.2019.05.007

Abstract: Abstract This paper introduces a high-definition method of stratigraphic well log correlation, which is more favored to be applied in the automatic correlation of well logs. The method employs a continuous wavelet transform (CWT) and… read more here.

Keywords: correlation well; continuous wavelet; automatic correlation; well logs ... See more keywords

Estimation of thermal maturity in the Bakken source rock from a combination of well logs, North Dakota, USA

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recommendations! Published in 2019 at "Marine and Petroleum Geology"

DOI: 10.1016/j.marpetgeo.2019.04.005

Abstract: Abstract Numerous attempts have been conducted to construct a reliable model to relate petrophysical and geomechanical characteristics of shale to geochemical properties. In this study, continuous logs were built to predict the thermal maturity of… read more here.

Keywords: maturity; relationship; bro; well logs ... See more keywords
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Prediction of total organic carbon at Rumaila oil field, Southern Iraq using conventional well logs and machine learning algorithms

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recommendations! Published in 2020 at "Marine and Petroleum Geology"

DOI: 10.1016/j.marpetgeo.2020.104347

Abstract: Abstract Total organic carbon (TOC) is an important parameter for assessing the hydrocarbon potential of source rocks. The standard method for analysis of TOC is the Rock-Eval pyrolysis on cutting and core samples. The coring… read more here.

Keywords: well logs; organic carbon; machine learning; conventional well ... See more keywords

Have you ever heard the sound of well logs or reservoir data

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recommendations! Published in 2017 at "Journal of Petroleum Science and Engineering"

DOI: 10.1016/j.petrol.2017.06.014

Abstract: Abstract The current study presents an effective approach to convert well logs to music and listen to their sound. Well log data play an important role in different stages of oil and gas field's exploration… read more here.

Keywords: well logs; logs reservoir; sound well; reservoir data ... See more keywords
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Statistical modeling for real-time pore pressure prediction from predrill analysis and well logs

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recommendations! Published in 2019 at "GEOPHYSICS"

DOI: 10.1190/geo2018-0168.1

Abstract: The challenge of pore pressure prediction in an overpressured area near a well is studied. Predrill understanding of pore pressure is available from a 3D geologic model for pressure buildup and release using a basin… read more here.

Keywords: pore pressure; well logs; pressure; pressure prediction ... See more keywords
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Automated Well-Log Processing and Lithology Classification by Identifying Optimal Features Through Unsupervised and Supervised Machine-Learning Algorithms

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recommendations! Published in 2020 at "Spe Journal"

DOI: 10.2118/202477-pa

Abstract: The application of specialized machine learning (ML) in petroleum engineering and geoscience is increasingly gaining attention in the development of rapid and efficient methods as a substitute to existing methods. Existing ML-based studies that use… read more here.

Keywords: well log; lithology; machine learning; well logs ... See more keywords

Seismic Sequence Stratigraphic Sub-Division Using Well Logs and Seismic Data of Taranaki Basin, New Zealand

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recommendations! Published in 2021 at "Applied Sciences"

DOI: 10.3390/app11031226

Abstract: This study focuses on the sequence stratigraphy and the dominated seismic facies in the Central Taranaki basin. Four regional seismic sequences namely SEQ4 to SEQ1 from bottom to top and four boundaries representing unconformities namely… read more here.

Keywords: using well; sequence; well logs; taranaki basin ... See more keywords