oilrig n. 石油钻井, 海底石油钻井, 钻塔
oilrig[ noun ]
rig used in drilling for oil or gas
<noun.artifact>
oil rig \oil" rig`\, oilrig \oil"rig`\n.
A structure and associated machinery used in drilling for oil
or gas; it is usually in the form of a tower. Called also
{drilling rig}.
Syn: drill rig, drilling rig, oil rig.
[WordNet 1.5]