Technical parameter
Various AISI 4145H Crossover is available.
Crossover Sub, Straight Sub, Reduce Sub,Saver Sub,Lift Sub.
Drilling String Crossover Sub made by material
AISI 4145H alloy steel.
Lake Petro supply the X-Over Pin (Male) x Box (Female), Pin( Male)
x Pin (Male) and Box (Female) x Box(Female) for Drilling string
crossover sub.
Crossover Sub (X-Over) is used for crossing over from the size of a
single connection to the another. Also used for prolonging the
connection life of a more expensive drilling component.
Drilling String Crossover Sub are available with:
Box x Pin
Box x Box or
Pin x Pin Connections
Crossover Sub is manufactured from 4145H. The connections are
protected by a phosphate surface coating that reducing the galling
when the initial make-up takes place. Sub is manufactured according
to API 7-1 Specification.
In addition, we also supplies variety of rotary sub:
Straight Sub
Straight Sub is used to connect drilling string components that
have a similar outside diameter.
Reduced Sub
Reduced Sub is used to connect drilling string components that have
different diameters that warrant the cross-sectional change
necessary to accommodate different connections. This sub would be
used to crossover large OD drilling tools or a tapered drill collar
string.
Saver Sub
Saver Sub is used to extend the life of the kelly by taking the
connection wear each time it is made up to a drill stem component.
