Drilling Industry Glossary
hardbanding
helical buckling
helical lockup
high gravity solids
hole
hook
hook load
horizon
horizontal drilling
HSI
HTHP cake thickness
HTHP filtrate
hydrocarbons
hydrostatic pressure
Helical Lockup
Helical lockup occurs when compressive forces on a string in helical buckling prevent axial movement. Forces at surface are not transmitted to the bit.
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