It means that when the petroleum industry fills a tank car with crude, the freight lines don't have the option of telling them to take their business elsewhere.
But for years the world's major consumers have bought extra oil to fill their emergency petroleum reserves.
Members of the Organization of the Petroleum Exporting Countries are filling in the gap.
The rise in demand from China for commodities such as iron ore, steel and petroleum has helped fill government coffers.
GOI is also involved in franchising the Gulf brand to operators in the petroleum and automotive sectors; Gulf-branded filling stations can be found in several countries including the UK, Belgium, Germany, Ireland, the Slovak & Czech Republics, the Netherlands, Jordan, Finland and Turkey.
One of the few resources not in short supply was petroleum oil; supplies intended for Europe were filling British storage facilities.
China is also close to filling up its strategic petroleum reserves.
Nevertheless, one of the few resources not in short supply was petroleum oil since supplies intended for Europe were filling British storage facilities.
She scoured the aisles of local hair care stores but all she found were products filled with petroleum, mineral oil and artificial concoctions.
In petroleum geology, these black shales are an important source rock that filled conventional petroleum reservoirs in overlying formations, are an unconventional shale gas reservoir, and are an impermeable seal that traps underlying conventional natural gas reservoirs.
