Influence of liquid-nitrogen freezing of gas-bearing shale rocks on their compressive strength

• Autorzy: Borek K.

Identyfikatory

DOI

10.2478/mipo-2018-0002

• Języki publikacji: EN

Abstrakty

EN

Any definable relation between falling temperature and the compressive strength of shale rocks should provide a useful predictive tool aiding optimization of the results of hydraulic fracturing. In this research, an automeasuring hydraulic press, a thermo-camera and the Fluent ANSYS software were used. The results of laboratory simulations, and the effects of experiments conducted on shale rocks to determine permanent changes in compressive strength, are presented. As both frozen rocks and rocks returned to room temperature show diminished compressive strength. It is suggested that prior freezing of rocks can increase the efficiency of fracturing.

Słowa kluczowe

EN

hydraulic fracturing; black shales; freezing; compressive strength; modelling

• Wydawca: Mineralogical Society of Poland
• Czasopismo: Mineralogia
• Rocznik: 2018
• Tom: Vol. 49, iss. 1/4
• Strony: 7--16
• Opis fizyczny: Bibliogr. 16 poz., rys., tab., wykr.

Twórcy

autor

Borek K.

• Institute of Geological Sciences, Jagiellonian University, Gronostajowa 3a, 30-387 Krakow, Poland

Bibliografia

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