At the beginning of 2005 Slovakia had oil reserves totalling 9 million barrels (Oil and Gas Journal, 2004. The country produces 3,500 bbl/d of oil thus making it a net importer of oil with most imports being received from Russia. According to the 2008 BP Statistical Energy Survey, Slovakia consumed an average of 79.79 thousand barrels of oil a day in 2007, 0.09% of the world total and a change from 2006 of 7.19 tbpd. According to the same survey, Slovakia had 2007 natural gas consumption of 5.87 billion cubic metres for the same period, 0.2% of the world total.
Nafta Gbely is the country's main oil and natural gas producer. It is also responsible of the storage of natural gas, the most profitable activity (capacity of 2.5 million m3). After the government sold and purchased its shares, the public company SPP, Slovensky Plynarensky Priemysel, and Westfälische Ferngas (WFG), a subsidiary company of RWE, finally purchased 55.9% and 40% of Naphta Gbely respectively.
Transpetrol is in charge of the oil transport. The State, who owned 100% of the company, sold 49% of its shares to the Russian company Yukos for 74 M US $ in December 2001. Slovnaft, a private company, operates the only refinery of the country. In May 2000, the Hungarian company Mol purchased 36.2% of Slovnaft and thus has became the most important foreign investor of the company. Slovnaft represents the largest stock exchange capitalisation of the country.
Several companies are present in the distribution of oil products including a national company, Benzinol (the former monopoly), as well as subsidiaries of foreign companies.
