Helium porosity measurements for rocks from unconventional reservoirs performed on crushed samples

• Autorzy: Klaja, J. , Łykowska, G. , Przelaskowska, A.

Warianty tytułu

PL

Badania porowatości helowej skał ze złóż niekonwencjonalnych na próbkach pokruszonych

• Języki publikacji: EN

Abstrakty

EN

Porosity measurements for rocks from unconventional reservoirs pose a challenge due to their extremely low permeability, small pore dimensions, and high content of organic matter and clay minerals. The presented work was aimed at adapting the helium porosity measurement methodology for the investigation of microporous rocks. The carried out studies have shown that the measurement conditions are important, which applies both to the measurement pressure and the grain size. The highest porosity values were obtained for measurements performed on samples crushed to grain size < 0.5 mm.

PL

Pomiary porowatości skał ze złóż niekonwencjonalnych stanowią wyzwanie ze względu na bardzo niską przepuszczalność, niewielkie rozmiary porów, wysoką zawartość substancji organicznej i minerałów ilastych. Przedstawiona praca ma na celu przystosowanie metodyki pomiaru porowatości helowej do badań skał mikroporowych. Wykonane badania wykazały, że warunki pomiaru mają tutaj duże znaczenie, dotyczy to zarówno ciśnienia pomiaru i rozmiaru ziaren. Najwyższe wartości porowatości uzyskano dla pomiarów wykonanych na próbkach pokruszonych do frakcji < 0,5 mm.

Słowa kluczowe

PL

łupki gazonośne; mikropory; porowatość helowa

EN

gas-shale; micropores; helium porosity

• Czasopismo: Nafta-Gaz
• Rocznik: 2015
• Tom: R. 71, nr 11
• Strony: 856--863
• Opis fizyczny: Bibliogr. 14 poz., rys., tab.

Twórcy

autor

Klaja, J.

• Department of Well Logging Oil and Gas Institute – National Research Institute ul. Lubicz 25 A 31-503 Kraków,

autor

Łykowska, G.

• Laboratory of Well Logging Oil and Gas Institute – National Research Institute ul. Lubicz 25 A 31-503 Kraków,

autor

Przelaskowska, A.

• Department of Well Logging Oil and Gas Institute – National Research Institute ul. Lubicz 25 A 31-503 Kraków,

Bibliografia

• [1] Bernard S., Wirth R., Schreiber A., Bowen L., Aplin A. C., Mathia E. J., Horsfield B., Schulz H.: FIB-SEM and TEM investigations of an organic-rich shale maturation series from the lower Toarcian Posidonia Shale, Germany: Nanoscale pore system and fluid-rock interactions. [W:] Camp W., Diaz E., Wawak B. (Eds.): Electron microscopy of shale hydrocarbon reservoirs. AAPG Memoir 2013, 102, pp. 53–66.
• [2] Darlak B., Kowalska-Wlodarczyk M., Such P.: Methodological aspects of porosity and pore space measurements in shale rocks. Nafta-Gaz 2011, no. 5, pp. 326–330.
• [3] Handwerger D. A., Suarez-Rivera R., Vaughn K. I., Keller J. F.: Improved Petrophysical Core measurements on Tight Shale Reservoirs Using Retort and Crushed Samples. Society of Petroleum Engineers Annual Conference and Exhibition, Denver, Colorado 30 October–2 November 2011, SPE Paper 147456.
• [4] Karastathis A.: Petrophysical measurements on tight gas shale. Master of Science Thesis, University of Oklahoma, 2007.
• [5] Kiersnowski H., Buniak A., Kuberska M., Srokowska-Okonska A.: Wystepowanie gazu ziemnego zamknietego w piaskowcach czerwonego spagowca Polski. Przegląd Geologiczny 2010, vol. 58, no. 4.
• [6] Kowalska S.: Okreslenie ilosciowego skladu mineralnego skal zawierajacych mineraly ilaste metoda Rietvelda. Nafta-Gaz 2013, no. 12, pp. 894–902.
• [7] Kuila U., Saidian M., Godinez L. J., Rivera S., Prasad M.: A Comparative Study of Porosity Measurement in MudRocks. SEG Denver Annual Meeting 2014, 2433–2437.
• [8] Labus M., Labus K., Bujok P.: Determination of the pore space parameters in microporous rocks by means of thermal methods. Journal of Petroleum Science and Engineering 2015, vol. 127, pp. 482–489.
• [9] Loucks R. G., Reed R. M., Ruppel S. C., Hammes U.: Spectrum of pore types and networks in mudrocks and a descriptive classification for matrix-related mudrock pores. AAPG Bulletin 2012, vol. 96, no. 6, pp. 1071–1098.
• [10] Loucks R. G., Reed R. M., Ruppel S. C., Jarvie D. M: Morphology, Genesis and Distribution of Nanometer-Scale Pores in Siliceous Mudstones of the Mississipian Barnett Shale. Journal of Sedimentary Research 2009, vol. 79, pp. 848–861.
• [11] Luffel D. L., Guidry F. K.: New Core Analysis Methods for Measuring Reservoir Rock Properties of Devonian Shale. Journal of Petroleum Technology 1992, vol. 44(11), pp. 1184–1190. DOI: 10.2118/20571-PA.
• [12] Milner M., McLin R., Petriello J.: Imaging Texture and Porosity in Mudstones and Shales: Comparison of Secondary and Ion-Milled backscatter SEM Methods. Canadian Society for Unconventional Gas/Society of Petroleum Engineers Canadian Unconventional Resources and International Petroleum Conference, Calgary, Alberta 19–21 October 2010, SPE Paper 138975, pp. 1–10.
• [13] Passey Q. R., Bohacs K. M., Esch W. L., Klimentidis R., Sinha S.: From Oil-Prone Source Rock to Gas-Producing  Shale Reservoir – Geologic and Petrophysical Characterization of Unconventional Shale-Gas Reservoirs. CPS/SPE International Oil & Gas Conference and Exhibition, Bejing 8–10 June 2010.
• [14] Schieber J.: SEM Observations on Ion-milled Samples of Devonian Black Shales from Indiana and New York: The Petrographic Context of Multiple Pore Types. [W:] Camp W., Diaz E., Wawak B. (Eds.): Electron microscopy of shale hydrocarbon reservoirs. AAPG Memoir 2013, 102, pp. 153–171.

Uwagi

EN

The article is the result of research conducted in connection with the project: The methodology for determining sweet spots on the basis of geochemical, petrophysical, geomechanical properties based on the correlation of laboratory test results with geophysical measurements and 3D generating model, co-funded by the National Centre for Research and Development as part of the programme BLUE GAS – POLISH SHALE GAS. Contract No. BG1/MWSSSG/13.

Identyfikatory

DOI

10.18668/NG2015.11.07