Definitions for "Mousehole"
Keywords:  bore, rig, drill, shallow, temporarily
A hole made by a mouse, for passage or abode, as in a wall; hence, a very small hole like that gnawed by a mouse.
n: shallow bores under the rig floor, usually lined with pipe, in which joints of drill pipe are temporarily suspended for later connection to the drill string.
an opening that is made to the interior or exterior of a structure (walls, floors, ceilings, roofs) to facilitate inter- and intra-building communications and movement
Nickname for a small, round-shaped breach made into walls and/or doorways with explosives. CT assault teams use mouseholes to move room to room in a building to avoid hallways (which are often booby-trapped or covered by weapons fire), as well as to surprise tangos.
Keywords:  mud, motor