Opening in the rig floor near the rotary table, in which joints of drill pipe are temporarily placed for later connection to the drill string.
- Note: 1 to entry: The mouse hole is usually fitted underneath with a length of casing, usually with a bottom.
Source: ISO 18647:2017, Petroleum and natural gas industries — Modular drilling rigs for offshore fixed platforms, First Edition, August 2017. Global Standards
“Mouse hole” means a shallow hole into which a length of drill pipe is placed temporarily for later connection to drill string.
Source: Division of Mineral Resources Management – Oil and Gas, Ohio Administrative Code, Chapter 1501:9, January 2012. Regulations