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المؤلفTran H.
المؤلفKasha A.
المؤلفSakhaee-Pour A.
المؤلفHussein I.
تاريخ الإتاحة2022-04-25T10:59:45Z
تاريخ النشر2020
اسم المنشورJournal of Petroleum Science and Engineering
المصدرScopus
المعرّفhttp://dx.doi.org/10.1016/j.petrol.2020.107581
معرّف المصادر الموحدhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85087480950&doi=10.1016%2fj.petrol.2020.107581&partnerID=40&md5=7d6f095fb61485cccf3d197fea418938
معرّف المصادر الموحدhttp://hdl.handle.net/10576/30400
الملخصIt is imperative to characterize the formation permeability to simulate the flow behavior at subsurface conditions. An accurate characterization at the core scale is possible when large samples are available, but often this is not the case, as such samples are hard to recover. Instead, drill cuttings (small pieces) are usually the only source available, especially in real-time conditions. Thus, mercury injection capillary pressure measurements, which are applicable to small pieces, have been used to infer the formation permeability. The challenge is that capillary pressure measurements entail further interpretations, as they can be converted to the pore-throat size distribution but not directly to the permeability. Thus, researchers have proposed different empirical and theoretical relations to predict the permeability. The present study uses machine learning, a data-driven approach, to predict carbonate formation permeability. The data-driven approach does not impose any restriction on the spatial distribution of the pore-throat sizes in the network of connected pores, but rather trains models based on the existing data. The present study is based on 193 carbonate samples whose data (porosity, permeability, and mercury injection capillary pressure measurements) are available in the literature. The permeability values vary from nanodarcies to darcies. We propose two new correlations, with and without grouping analysis, for permeability prediction. The results are promising, as the averaged R2 score obtained with 50 iterations is larger than 0.96. The study provides a valuable tool for permeability prediction based on numerical methods that distinguish the pore structure by taking into account underlying trends in the measurements.
راعي المشروعThe authors would like to acknowledge the support of Qatar National Research Fund (a member of Qatar Foundation ) through Grant # NPRP11S-1228-170138 . The findings achieved herein are solely the responsibility of the authors.
اللغةen
الناشرElsevier B.V.
الموضوعCapillarity
Capillary tubes
Carbonation
Machine learning
Mercury (metal)
Numerical methods
Pore pressure
Pore structure
Pressure measurement
Size distribution
Carbonate formations
Data-driven approach
Formation permeability
Mercury injection capillary pressures
New correlations
Permeability prediction
Pore-throat size
Subsurface conditions
Forecasting
capillary pressure
hydrocarbon exploration
hydrocarbon reservoir
machine learning
numerical model
permeability
reservoir characterization
size distribution
trend analysis
العنوانPredicting carbonate formation permeability using machine learning
النوعArticle
رقم المجلد195
dc.accessType Abstract Only


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