| Answer | Crossword Clue |
|---|---|
| oilfield | an area of mineral oil production |
| oilfields | OILFIELD, an area of mineral oil production |
| NORTHSEA | Oil production area |
| waterflood | a flood of water; an inundation to inject water to maintain pressure in a reservoir and to drive the oil, etc towards the production wells |
| landmen | person who bargains with landowners for the mineral rights to their land, as on behalf of an oil company |
| landman | person who bargains with landowners for the mineral rights to their land, as on behalf of an oil company |
