Drilling Industry Glossary
salt content water phase
sand content
shoe track (ST)
shut-in bottomhole pressure (SIBHP)
single slurry
sinusoidal buckling
SK
slack-off weight
slips
slip velocity
slurry
slurry yield
snubbing
solids
solids adjusted for salt
soluble solids
spacer
spaghetti
spud date
stand (of pipe)
surface casing
survey
sustained casing pressure (SCP)
sweeps
Spacer
A viscous fluid used to remove drilling fluids ahead of cement slurry. The spacer is prepared with specific fluid characteristics, such as viscosity and density that are designed to prevent the interaction between the mud and cement slurry.
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