Formation hydraulic
fracturing ball collar BUR-GRP-MSh

Used for multi-interval formation hydraulic fracturing in non-cemented well interval.

Maximum number of stages is 18.

Collar is opened with balls made of soluble alloys.

Simple adjustment of circulation ports opening pressure using shear bolts.

Provides possibility of seats normalization.

Seat made of soluble alloys may be installed.

Collar may be closed with special tool.