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Machine Learning-Based Prediction of Well Logs Guided by Rock Physics and Its Interpretation [PDF]

open access: yesSensors
The refinement of acquired well logs has traditionally relied on predefined rock physics models, albeit with their inherent limitations and assumptions. As an alternative, effective yet less explicit machine learning (ML) techniques have emerged.
Ji Zhang   +5 more
doaj   +2 more sources

Thermal Conductivity Estimation Based on Well Logging

open access: yesMathematics, 2021
The thermal conductivity of a stratum is a key factor to study the deep temperature distribution and the thermal structure of the basin. A huge expense of core sampling from boreholes, especially in offshore areas, makes it expensive to directly test ...
Jie Hu   +3 more
doaj   +1 more source

Predicting total organic carbon from few well logs aided by well-log attributes

open access: yesPetroleum, 2023
Derivative/volatility well-log attributes from very few commonly recorded well logs can assist in the prediction of total organic carbon (TOC) in shales and tight formations.
David A. Wood
doaj   +1 more source

RESERVOIR CHARACTERIZATION OF THE ‘SHULA FIELD’, OFFSHORE NIGER DELTA BASIN, NIGERIA: AN INTEGRATED APPROACH [PDF]

open access: yesGeological Behavior, 2023
This study analyzed “Shula field” offshore Niger Delta basin for it hydrocarbon bearing capacity. Well logs and seismic data were used for the analysis.
Johnson Ajidahun   +4 more
doaj   +1 more source

Development of an Intelligent System to Synthesize Petrophysical Well Logs [PDF]

open access: yesIranian Journal of Oil & Gas Science and Technology, 2013
Porosity is one of the fundamental petrophysical properties that should be evaluated for hydrocarbon bearing reservoirs. It is a vital factor in precise understanding of reservoir quality in a hydrocarbon field.
Morteza Nouri Taleghani   +3 more
doaj   +1 more source

Sedimentary Facies Analysis of the Third Eocene Member of Shahejie Formation in the Bonan Sag of Bohai Bay Basin (China): Implications for Facies Heterogeneities in Sandstone Reservoirs

open access: yesEnergies, 2022
The middle sub-member (Es3z) within the third member (Es3) of the Eocene Shahejie formation is the main source of the generation and accumulation of hydrocarbons in the lacustrine deltas of Bonan depression.
Nadir Fawad   +3 more
doaj   +1 more source

Characterization of well logs using K-mean cluster analysis

open access: yesJournal of Petroleum Exploration and Production Technology, 2020
The identification process of different lithologies, hydrocarbons, and water-saturated zones in oil and gas industries involves petrophysical studies that are carried out by geoscientists using different software packages.
Amjad Ali, Chen Sheng-Chang
doaj   +1 more source

Sequence Stratigraphic Interpretation of FX-1 and FX-2 wells, Onshore Western Niger Delta, Nigeria

open access: yesJournal of Applied Sciences and Environmental Management, 2020
The area of study is a portion of the Greater Ughelli Depobelt in Niger Delta Basin. The main aim of the paper is to interpret the sequence  stratigraphy of FX-1 and FX-2 wells by employing data sets from biostratigraphic data and well logs.
F.O. Amiewalan, F.A. Lucas
doaj   +1 more source

Fracture permeability estimation utilizing conventional well logs and flow zone indicator

open access: yesPetroleum Research, 2022
Characteristics of the natural open fractures on the oil and gas reservoirs is crucial in drilling and production planning. Direct methods of fractures studies such as core analysis and image log interpretation are usually not performed in all drilled ...
Hassan Bagheri, Reza Falahat
doaj   +1 more source

Automated stratigraphic correlation of well logs using Attention Based Dense Network

open access: yesArtificial Intelligence in Geosciences, 2023
The stratigraphic correlation of well logs plays an essential role in characterizing subsurface reservoirs. However, it suffers from a small amount of training data and expensive computing time. In this work, we propose the Attention Based Dense Network (
Yang Yang   +6 more
doaj   +1 more source

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