Drilling Industry Glossary
salt content water phase sand content sandfrac scratcher seismograph set casing shoe track (ST) shut-in bottomhole pressure (SIBHP) side tracking single slurry sinusoidal buckling SK slack-off weight slim hole drilling slip velocity slips sloughing slurry slurry yield snubbing solids solids adjusted for salt soluble solids spacer spaghetti specific gravity spud or spudding in spud date stabilizer stand (of pipe) string structure stuck pipe substructure surface casing survey sustained casing pressure (SCP) swabbing sweeps
Sinusoidal buckling occurs when compressive forces on the string become too high, resulting in a snake-like bending in the string. Note that in this mode, the pipe deforms, but still in a 2D plan.
You may also be interested in: