Geomechanical modelling of Paleozoic Shale Gas Formation: a case study from the Baltic Basin, northern Poland

• Autorzy: Słota-Valim M. , Sowiżdżał K. , Jędrzejowska-Tyczkowska H.

Identyfikatory

DOI

10.7494/geol.2017.43.3.249

• Języki publikacji: EN

Abstrakty

EN

The article presents the importance and position of geomechanical modelling workflow in reservoir characterization studies dedicated to unconventional shale reservoirs. We show the results of 3D geomechanical modelling carried out in an onshore area within the Baltic Basin, northern Poland, where the Silurian and Ordovician shale formations are the exploration targets. The fundamental elements of the methodology, processes, and available datasets used in the modelling are discussed. The petrophysical, elastic, and mechanic properties of the rock were applied in the modelling process, along with the principal stresses and pore pressure in the geological formation. Moreover, the main calculation methods and data requirements for the Mechanical Earth Model construction are discussed. A comprehensive 3D geomechanical model was constructed, providing important information to engineers and decision makers which allows them to optimize well placement, the direction of the horizontal section of the borehole and the parameters of hydraulic fracturing treatment. The model can identify zones of higher potential within the area of interest in terms of efficient stimulation treatment design.

Słowa kluczowe

EN

Mechanical Earth Model; geomechanics; elastic properties; strength parameters; principal stresses

• Wydawca: Wydawnictwa AGH
• Czasopismo: Geology, Geophysics and Environment
• Rocznik: 2017
• Tom: Vol. 43, no. 3
• Strony: 249--269
• Opis fizyczny: Bibliogr. 37 poz., rys., wykr., tab.

Twórcy

autor

Słota-Valim M.

• INiG-PIB Oil and Gas Institute – National Reasearch Institute, Department of Geology and Geochemistry; ul. Lubicz 25A, 31-503 Krakow, Poland

autor

Sowiżdżał K.

• INiG-PIB Oil and Gas Institute – National Reasearch Institute, Department of Geology and Geochemistry; ul. Lubicz 25A, 31-503 Krakow, Poland

autor

Jędrzejowska-Tyczkowska H.

• INiG-BIP Oil and Gas Institute – National Reasearch Institute, Department of Seismics; ul. Lubicz 25A, 31-503 Krakow, Poland

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).