1. Space in the bottom of a ship to which bilge water drains so it may be pumped overboard.
2. Any area on the deck exposed to the weather, where water may be entrapped. Wells are considered to be deck areas bounded on two or more sides by deck structures, (ICLL).
- Appraisal well – A hole drilled near to a discovery well in order to determine more information or the extent of the reservoir.
- Completed wells – Wells fitted with Christmas trees attached to the wellhead, so the flow of fluids in and out of the reservoir may be controlled for production purposes, (ABS).
- Discovery well - An exploration well which has been successful in finding hydrocarbon deposits.