Well logging interpretation methodology for carbonate formation fracture system properties determination

• Autorzy: Stadtműller Marek

Identyfikatory

DOI

10.1007/s11600-019-00351-w

• Języki publikacji: EN

Abstrakty

EN

The article presents the methodology for the qualitative determination of fracture zones in the profiles of carbonate formations, based on the complex fracture analysis (CFA) method. Three additive fracture ranges were distinguished, characterized by successively increasing aperture and fracture length values, operatively named micro, meso and macro. Furthermore, the quantitative characterization of fractures with different apertures was done. The methodology of laboratory data integration, fracture porosity and fracture permeability measurements performed on thin section and polished section was described as part of the quantitative well logging data interpretation procedure which uses the FPI (fracture porosity index) parameter. The research was performed in the Lower Carboniferous limestone formation that builds the Paleozoic basement of the Carpathian orogeny. An original software dedicated to the analysis of the wellbore images, obtained with the XRMI Halliburton scanner, was used to identify the presence of macro-fractures, determine their aperture and estimate fractures porosity and permeability in the profile of the analyzed rock formation. As a result of the work, postulates regarding the methodology for collecting research material were formulated, in particular: the scope of different laboratory core samples measurements and well log types. The principles of the optimal methodology for identifying fractured zones and quantitative evaluation of petrophysical parameters of recognized fracture systems were defined.

Słowa kluczowe

EN

well logging; carbonate formations; fracture system; petrophysical parameters; quantitative interpretation; fracture porosity; fracture permeability

PL

geofizyka otworowa; formacje węglanowe; układy szczelinowe; parametry petrofizyczne; interpretacja ilościowa

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2019
• Tom: Vol. 67, no. 6
• Strony: 1933--1943
• Opis fizyczny: Bibliogr. 17 poz.

Twórcy

autor

Stadtműller Marek

• 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).