Oil companies in Campina,Romania(old postcards)

Astra Romana oil well in Campina-1917.
Steaua Romana oil wells in Campina
Creditul Minier oilfield at Campina,Romania.
Regatul Roman oilfield at Campina,Romania.
Campina-Petrolifere-1928
Campina - Oil Wells.
Oil wells at Campina in 1906.