| Answer | Crossword Clue |
|---|---|
| CAP | Seal, as an oil well |
| CAPS | Closes up, as an oil well |
| wild | (of an oil or gas well) to spout in an uncontrolled way, as in a blowout |
| derrick | framework or tower over a deep drill hole (as of an oil well) for supporting boring tackle or for hoisting and lowering |
| GUSH | Spew forth, as oil from a well |
| GUSH | Spew forth, as a new oil well |
| muid | mixture of water, clay, and chemicals used in oil-well drilling and having various functions (as lubrication and cooling of the bit and flushing of rock particles to the surface) |
