Petrophysical rock typing and permeability prediction in tight sandstone reservoir

• Autorzy: Lis-Śledziona Anita

Identyfikatory

DOI

10.1007/s11600-019-00348-5

• Języki publikacji: EN

Abstrakty

EN

In this paper, the low-permeability reservoir was subdivided into several units based on three models; in the first model, porosity, permeability, pore sizes, and shale volume were used as an input in the heterogeneous rock analysis clustering workflow to define rock units; in the second model, rock types were defined using flow zone index. The third flow unit discriminator was proposed by the author; the model is based on relation between porosity, permeability, irreducible water saturation, and pore size distribution. Also, Wyllie–Rose equation for permeability in tight reservoir was core-calibrated, and coefficients e, d, and Kw were established. The reservoir is built of thin layers of sandstones with variable porosity, permeability, pore sizes, and irreducible water. The research was performed in two wells where as input well log data, the laboratory results of mercury injection porosimetry, permeability measurements, and nuclear magnetic resonance data were used. Furthermore, it was investigated whether the presence of fractures identified on XRMI images were strictly related to one flow unit.

Słowa kluczowe

EN

tight gas formation; FZI; heterogeneous rock analysis; HRA; rock typing; hydraulic flow units; flow zone index; permeability prediction

PL

formacje typu tight; FZI; heterogeniczna analiza skał; HRA

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2019
• Tom: Vol. 67, no. 6
• Strony: 1895--1911
• Opis fizyczny: Bibliogr. 33 poz.

Twórcy

autor

Lis-Śledziona Anita

• Oil and Gas Institute - National Research Institute, Lubicz 25 A, 31‑503 Kraków, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).