Diamond Reaming Shells

Diamond Reaming Shells are important tools to be used together with bits.The main functions are maintaining bore hole gage, improving drill string stability and protecting lower drill string from excessive wear.

Helical typr reaming shell provides a good passage foe drilling fluides. The matrix id wear-proof and the service life is long.

Specifications and categories of Reaming Shells:

Type	Category	Bit Size(mm)
Reaming Shell	Double-tube Reaming shell	P56、 P59、 P75、 P76、 P91、 P110、 P130
	Single-tube Reaming shell	D56、 D59、 D75、D76、 D91、 D110、 D130、 D150、 D171、 D223
	Wireline Reaming shell	S56、 S59、 S75、 S95、 BC、 NC、 HC、 PC、 T2-76、 T2-86

Special Gauge for Processing Thread:

Special Gauge for Processing Thread

Prev : Downhole Motor for Russia

Next : Drill Pipe Circulating head