Kelly Hose in Drilling
- n. [Drilling] A large-diameter (3- to 5-in inside diameter), high-pressure flexible line used to connect the standpipe to the swivel.
This flexible piping arrangement permits the kelly (and, in turn, the drillstring and bit) to be raised or lowered while drilling fluid is pumped through the drillstring.
Drilling/Kelly Hose Standard
API 7k standard.
Rotary and vibratory hoses are made in inner rubber layer and reinforced layer.
It can be used in well drilling, well cementing, work-over and down-hole servicing operation.
Drilling hoses are often equipped with API end fittings.
Drilling hoses are usually composed of three parts: tube, reinforcement and cover.
Application:the steel wire spiral drilling rubber hose are used in oil field, well cementing, well repairing, petroleum geology exploration, small drilling machine, water conveyance, and coal excavation.
They are useful to carry slurry, water at environmental temperature, and other fluids.
Jingbo exports kelly hoses to more than 20 countries. Such as the USA, Russia, Brazil, Argentina, Iran, UAE, etc. We are ready to be your long term reliable partner of oilfield hoses.