Drilling Industry Glossary
shoe track (ST)
shut-in bottomhole pressure (SIBHP)
single slurry
sinusoidal buckling
SK
slips
slurry
slurry yield
snubbing
spacer
spaghetti
stand (of pipe)
surface casing
sustained casing pressure (SCP)
survey
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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