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Api Oilfield Stage Collar For Cementing With A Diameter Of 6 5/8 Hydraulic Type Dv Tool

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Api Oilfield Stage Collar For Cementing With A Diameter Of 6 5/8 Hydraulic Type Dv Tool

Country/Region	china
City & Province	Shaanxi

Product Details

Casing Stage Collar

Stage collar is a mechanical tool used to complete the cementing operation into two times. Stage collar mainly consists of
two-stage coupling (body), first-stage plug, baffle plate, free fall opening plug (it is used when you use the non-continuous
process) or pump-down opening plug (it is used when you use the continuous process), closing plug

1. It uses out-closing structure and locking device on the closing sleeve. The lock is reliable after the 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 bits going down and doing drill-out operation.
4. All the accessories are made of drillable rubber or aluminum material. They have the function of anti-rotation, and can make
the drill out easy.
5. You can use the pumping-down plug to carry out continuous process.

PRODUCT SPECIFICATIONS

Specifications, (in)	5 1/2"	7"	9-5/8"	13 3/8"
Max O.D., mm	Φ170	Φ208	Φ283	Φ381
Drill-out I.D., mm	Φ122	Φ155	Φ220	Φ315
Overall Length, mm	1082	1182	1222	1280
Rated Load, t	140	170	210	300
Sealing capacity, MPa	25	25	25	25
Opening Pressure, MPa	13	13	13	14
Closing Pressure, MPa	5	5	5	5
Lower Sliding Sleeve I.D., mm	Φ85	Φ115	Φ176	Φ203
Upper Sliding Sleeve I.D., mm	Φ95	Φ125	Φ197	Φ285