Drilling Industry Glossary
magnetometer
make a connection
make up
make up a joint
make up torque
make up water: chlorides
making a trip
making hole
making up a joint
marsh viscosity
MD
mean sea level (MSL)
mechanical jar
methylene blue
micro-annulus
migration
mixing mud
monkey board
mouse hole
mud
mud alkalinity
mud cake
mud ditch
mud engineer
mud line
mud magnet
mud pump
mud report
mud tanks
mud type
mud weight
Mouse Hole
Cased opening located on the side of the rig floor opposite to the drillers’ station. This cased hole extends downward from the rig floor. This is used to store a joint of drillpipe after it has been picked up from the pipe rack so that it is ready to be picked up and added to the drillstring in the hole. (see Rathole)
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