China Mechanical Hydraulic Stage Tools Price

Mechanical/Hydraulic Stage Tools (Collars) Price
1. Introduction
Stage tool (collar) is a kind of mechanical tool used to complete cementing operation into two times. It mainly consists of two-stage coupling (body), first-stage plug, shut-off baffle, free-fall opening plug and closing plug.
2. Characteristics
1) It adopts out-closing structure and locking device on the closing sleeve. The lock is reliable after closing.
2) The liquid would not occur in the loculum when opening or closing.
3) The I.D. of upper/lower sub should be the same as that of casing, it can protect the body of stage collar from damaging when the bit going down and doing drill-out operation.
4) All the accessories are made of the drillable rubber or aluminum material. They have the function of anti-rotation ,it can make the drill out easy.
5) Pumping-down plug can be used to carry out continuous process.
3. Parameters

Specifications, (in)5 1/2"7"9 5/8"13 3/8"Max OD, mmΦ170Φ208Φ283Φ381Drill-out ID, mmΦ122Φ155Φ220Φ315Overall Length, mm1082118212221280Rated Load, t140170210300Sealing capacity, MPa25252525Opening Pressure, MPa13131314Closing Pressure, MPa5555Lower Sliding Sleeve ID, mmΦ85Φ115Φ176Φ203Upper Sliding Sleeve ID, mmΦ95Φ125Φ197Φ285