The main function of the mousehole is to hold pipe during stand building or breakdown. Mouseholes are designed to use the area below the drill floor and are flush-mounted with the drill floor on installation. Cameron mouseholes are available in a range of designs:
- rotary-mounted fixed.
All types can be equipped with the following:
- hydraulic centralizer/spring-powered centralizer
- toolbox/bit breaker
- torque wrench to make and break connections while building and breaking stands, respectively
- patented shock absorber.