The Syrian government on Sunday accused rebels of setting three oilfields on fire in the east of the war-torn country, DPA reported.
State-run news agency SANA quoted an unnamed official at the Oil Ministry as saying that "armed terrorist groups" had carried out the attacks after disagreements over the distribution of what it called "stolen crude."
Experts at a governmental oil company were trying to extinguish the fires, the official said.
Damascus has repeatedly branded opposition forces fighting to oust President Bashar al-Assad as "terrorists" allegedly sponsored by Arab and Western powers.
At least 70,000 people have been killed so far in Syria's two-year conflict, according to the United Nations.