11 June 2016. The Syrian Arab Army’s (SAA) liberation of ‘Arak village on Friday night has put the Islamic State of Iraq and Al-Sham (ISIS) in a difficult position as they attempt to retain control of the large natural gas and oil reserves in east Homs.

AL MASDAR NEWS

https://www.almasdarnews.com/article/syrian-army-enters-oil-rich-region-east-homs

At industryabout.com:

Syria - Industrial Map