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oa Estimation of the Type of Clay Minerals by Combination of Radioactive Logging Methods
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 18th International Conference Monitoring of Geological Processes and Ecological Condition of the Environment, Apr 2025, Volume 2025, p.1 - 5
Abstract
Summary
The abstract is concerned with increasing the informativity of the well logging while investigating the shaliness of terrigenous oil-and-gas reservoirs and near-surface rocks based on a combination of gamma-ray logging, density gamma-gamma logging and neutron-neutron logging (GR + DL + NL). Number of new methods is developed for determining the parameters of shaliness, namely, the content of clay minerals, their density and hydrogen index. Method for estimating the type of clay mineral according to the GR + DL + NL data is proposed. The method is an available alternative to lithological core studies and to more expensive and difficult logging methods.
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