The Petroleum Trail is an international tourist trail which runs from Poland to Ukraine linking places associated with the petroleum industry.
- Zarszyn – glycol and methanol storage for natural gas mining
- Strachocina – underground gas storage, structure of the old mine
- Sanok – exposition of the 19th-century oil industry related structures in Skansen – Open Air Museum
- Tyrawa Solna – preserved structure of a mine and pumping jack
- Wielopole – buildings of the office, boiler – room, waiting room for miners
- 1866 – Set up of oil production centres: Witryłów-Hłomcza, Polana, Łodyna-Brzegi, Zagórz, Rajskie, Stara Wieś, Głębokie, Turze Pole, Wielopole, Mokre, Tokarnia, Grabownica.
- 1928 – Discovery of Strachocina natural gas reservoir.
- 1924 – 1939 – Galician Petroleum Society "Galicja" drills on area of Jurowce, Strachocina.
- 1930s – oil and natural gas are produced among others in: Grabownica, Strachocina, Turze Pole, Stara Wies, Humniska, Wańkowa, Ropienka, Polana, Wielopole.
- September 1939 – "Beskiden Erdöl Gewinnungs – Geselschaft", renamed for "Karpaten Oil" infill drills of reservoirs: Wielopole, Mokre, Grabownica.
- October 9, 1944 – Creation of the State Petroleum Office, which form letter Nr15 establish "... the highest organising unit of mining district – Sector Sanok ..."
- 1946 – Beginning of rotary method in drilling.
- 1953 – Creation of drilling company – Sanok.
View at the Oil Field, Galician Petroleum Society "Galicja",1900s
View at the Oil Field, Mokre, 1914 Poland
View at the Oil Field, – Oil wells, pl. szyby naftowe, 1881
View at the Oil Field, Oil wells 1909
View at the Oil Field, Oil wells 1911
View at the Oil Field "Grabownica", 1930s