| OI | rig used in drilling for oil or gas |
|---|---|
| OI | someone who works on an oil rig |
| OI | shale from which oil can be obtained by heating |
| OI | a film of oil floating on top of water (especially crude oil spilled from a ship) |
| OI | a stain produced by oil |
| OI | a cargo ship designed to carry crude oil in bulk |
| OI | a powerful person in the oil business |
| OI | a well that yields or has yielded oil |
| OI | containing oils |
| OI | fueled with oil |
| OI | steel that is quenched in oil |
| OI | an analyst of the oil industry |