WebLithology identification is one of the keys to understand the nature of hydrocarbon reservoir. Deep learning has become a popular and reliable method for image classification and in … Web17 mei 2024 · The idea of lithology identification from well-logging is to establish the relationship between petrological characteristics and logging curves. Typical lithologies …
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Web1 okt. 2024 · These 13 lithology classes include igneous, sedimentary, and metamorphic rocks, all of which are quite common in the field and, therefore, likely to arise during … Web15 jul. 2024 · DigiLogs Lithology Digitizing Tutorial. (Part 2)DigiLogs can digitize lithology, Curves and Dipmeterwww.digilogs.net#DigiLogs #lithology#Dipmeter#Well_Logs#D...
Web13 sep. 2024 · The nature of BPNN for lithology identification is a multi-classification system, and confusion matrix (Fig. 3) is usually used as a visual tool to evaluate the classification accuracy (Ruuska et al. 2024 ), thus, Accuracy, Recall, and Kappa are used as model evaluation indicators in this article. Fig. 3 Schematic diagram of confusion matrix Web18 aug. 2024 · We propose different DL architectures for seismic lithology prediction, such as the deep neural networks (DNNs), the CNNs, the CWT-DNNs and the CWT-CNNs, and compare their performance in a real field case. The final results show that the CWT-CNNs have the best performance in thin layer prediction. Moreover, we also provide …
Lithology is the basis of subdividing rock sequences into individual lithostratigraphic units for the purposes of mapping and correlation between areas. In certain applications, such as site investigations , lithology is described using a standard terminology such as in the European … Meer weergeven The lithology of a rock unit is a description of its physical characteristics visible at outcrop, in hand or core samples, or with low magnification microscopy. Physical characteristics include colour, texture, grain size, … Meer weergeven In igneous and metamorphic rocks, grain size is a measure of the sizes of the crystals in the rock. In igneous rock, this is used to determine the rate at which the material … Meer weergeven The colour of a rock or its component parts is a distinctive characteristic of some rocks and is always recorded, sometimes against standard colour charts, such as that produced by the Rock-Color Chart Committee of the Geological Society of America based … Meer weergeven The naming of a lithology is based on the rock type. The three major rock types are igneous, sedimentary, and metamorphic. Igneous rocks are formed directly from magma, which is a mixture of molten rock, dissolved gases, and solid crystals. Sedimentary … Meer weergeven In rocks in which mineral grains are large enough to be identified using a hand lens, the visible mineralogy is included as part of the description. In the case of sequences possibly … Meer weergeven The fabric of a rock describes the spatial and geometric configuration of all the elements that make it up. In sedimentary rocks the main visible fabric is normally bedding, … Meer weergeven The texture of a rock describes the relationship between the individual grains or clasts that make up the rock. Sedimentary textures include the degree of Meer weergeven Web28 jul. 2016 · An initial review of the log should identify deviations from baseline trends that could indicate changes in lithology, fluid content, porosity or borehole diameter. …
Web17 mei 2024 · Well-Logging-Based Lithology Classification Using Machine Learning Methods for High-Quality Reservoir Identification: A Case Study of Baikouquan Formation in Mahu Area of Junggar Basin, NW China
Web18 jun. 2024 · Identifying lithology from well logs is an important step in deep prospecting and resource estimation. Various machine learning algorithms have been adopted to identify lithology in oil and gas fields. Such algorithms, however, are rarely used for mineral deposits because of their complex geological conditions. In this paper, we propose an … te1 truck architectureWeb7 mrt. 2024 · 3. Lithologic types and logging response characteristics 3.1. Lithology classification criteria. Based on the fine observations and descriptions of the core of Well XX-1, Well XX-2, Well XX-3, and Well XX-4, through the rock slice identification, x-ray diffraction bulk rock mineral analysis, scanning electron microscope analysis and laser … te037 weightWeb10 apr. 2024 · Traditional lithology identification left the problems of low accuracy, recognition efficiency and generalization ability. Facing the logging data with outliers, unbalance and high complexity, we propose a lithology identification method based on an improved neighborhood rough set and AdaBoost. On the basis of the classical … te1 atccWebLithologic identification is critical for studying fine - grained sediments, which further elucidates sedimentary environment, and formation. The oil - bearing Chang 7 Section of … te1 code on lg dryerWeb1 dec. 2024 · To identify their lithology, 2663 complete and continuous logging data of cuttings and 5 conventional logging curves (SP, AC, DEN, GR and CNL) from 7 wells in the eastern depression of Liaohe basin are selected as the training set based on the comprehensive thin section data and logging data of igneous rocks,. te10 coppicing bankside treesWeb20 feb. 2024 · Reliable lithology interpretation is one of the critical steps for formation evaluation and reservoir characterization. The traditional method for identifying lithology is through core recovery in the laboratory or the analysis of well logs by experienced geologists. Cores provide the best sources of lithology information. te133fhm-ts0Web13 sep. 2024 · The lithology of the drill cuttings located at different depths are based on the results of the laboratory analysis of the cores at corresponding depth, which are mainly … te1 horse racing