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Wpływ podziemnego magazynowania gazu na efektywność eksploatacji złóż w PGNiG SA, Odział w Sanoku

Stopa J., Hoszowski A.

Nafta-Gaz

2010

R. 66, nr 5

362-367

W niniejszym artykule przeprowadzono analizę eksploatacji złóż PGNiG SA Oddział w Sanoku pod względem wykorzystania PMG do działalności produkcyjnej. Oparto się na danych dotyczących dobowych ilości gazu oddawanych w poszczególnych PZO do sieci przesyłowej, obejmujących okres od początku 2004 roku do końca pierwszego kwartału 2009 r. Przeprowadzona została również analiza wpływu importu gazu oraz zmienności zapotrzebowania na gaz, co umożliwiło obliczenie ilości gazu niezbędnej do regulacji wydobycia z własnych złóż w PGNiG SA Oddział w Sanoku.

This paper presents how the underground storage operation is used to control gas production activity by Polish Oil and Gas Company, Branch in Sanok. The analysis is based on data relating to the daily gas flow in the gas transmission network, covering the period from early 2004 until the end of the first quarter of 2009. The simple gas balance equation was employed to calculate the amount of gas, that was necessary for regulation of production from the domestic gas fields. The impact of gas imports and the volatility of gas demand were also discussed.

Underground hydrocarbons storages in Poland: actual investments and prospects

Karnkowski P. H., Czapowski G.

Przegląd Geologiczny

2007

Vol. 55, nr 12/1

1068-1073

Poland has the limited gas and oil resources. Main hydrocarbons supplies are delivered to Poland mostly from Russia by oil and gas pipelines. Very large length of these pipelines as well as the local considerable wearing of devices induces the necessity of reserves storage. Geological conditions in Poland and a considerable quantity of exhausted gas deposits enabling in nearest years to the construction of underground gas storages (UGS) suggest the new investments in this sector of petroleum industry. Capacity amount of present active UGS is 1.58 x 10exp.9 mexp.3 but after finalizing of storages their volume will achieve 2.8 x 10exp.9 mexp.3. Special attention is paid to the Wierzchowice UGS (the biggest one in Poland) and to caverns leaching within the Zechstein salts cavern underground gas storages (CUGS) Mogilno and Kosakowo. Reservoirs of cavern type (expensive under construction) are a very efficient, modern source of gas system supply, particularly in periods of the seasonal demand fluctuations for gas - a very high during the winter season in the central and the northern Europe. Only caverns in salts allow to store both the gas and the liquid hydrocarbons. Construction of the UGS refers mostly to exhausted gas fields, discovered and exploited by the Polish Oil and Gas Company. Experience and capital of the state company located it as a leader in Poland in the field of construction and exploitation of underground storages. Their construction has the minimum influence on the environment. Utilization of exhausted hydrocarbons deposits (often with the existing mining infrastructure) is not almost at all troublesome for a local population and the environment and it offers considerable practical and economic benefits. The economical boom in the oil and gas market during last years creates new challenges for construction and exploitation of hydrocarbons underground storages.