DV Collar Multi stage collar from China manufacturer

Price:	5000.0~60000.0 USD
Payment Terms:	T/T,L/C
Special Groups:	Cementing tools (3)
Place of Origin:	Shaanxi, China (Mainland)


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Product Detail

Model No.: TOP-DV collar-01

Production Capacity: 50sets

Delivery Date: 15days

Material: Alloy steel

Condition: New

Application: Cementing tools

Means of Transport: Ocean,Air

Packing: plywood

Standard: API

Brand: ZZ TOP

Size: 13 3/8"

Thread: BTC

Multi stage-collar (Multi stage cementing tool) mainly consists of two-stage coupling(body) , first-stage plug, baffle plate, free fall opening plug

Multi Stage Cementing tools (DV Collar)

13-3/8"(Φ339.7) Multi 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. (see Fig.1)

Note : The baffle plate and first stage plug have a little changes,the baffle plate has 2 bypass hole and first-stage plug has 3 the same wipers.

Main features

1. It uses the out-closing structure and the 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 ID. 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 the drill-out operation.

4. All the accessories are made in the drillable rubber or aluminum material.They have the function of anti-rotation ,it can make the drillout easy.

5. You can use the pumping-down plug to carry out the continuous process.

Specification	13-3/8"(Φ339.7)
Opening Pressure,(Mpa)	7
Opening Acting Force,(KN)	545.5
Closing Pressure (MPa)	5
Closing Acting Force (KN)	390
Sealing Capacity (MPa)	More than25
Rated Load (t)	416
Max. OD. (mm)	Φ380
ID OF Body. (mm)	Φ317
Length of first-stage plug (mm)	540
Length of free-fall opening plug (mm)	460
Length of pump-down opening plug(mm)	640