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Oilfield Hydraulic/Michanical Cementing Two Stage Collar (DV collar)

Puyang Zhongshi Group Co., Ltd.
  • Certification：API, ISO
  • Type：Cementing Fracturing Equipment
  • Model：Mechanical,Hydralic
  • Grade：L80, N80
  • Thread Connection：Btc, Ltc Stc
  • Usage：Oil (Gas) Production Machinery, Well Drilling Machinery, Oil Well Cementing Accessories

Base Info

  • Model NO.：5", 5 1,2", 7", 9 5,8", 13 3,8", 20"
  • Power Type：Diesel
  • Transmission System：Hydraulic
  • Transport Package：Wooden Box
  • Specification：5 1,2", 7", 9 5,8", 13 3,8"
  • Trademark：zhongshi
  • Origin：China
  • HS Code：8413
  • Production Capacity：5000

Description

Basic Info.

Model NO. 5", 5 1/2", 7", 9 5/8", 13 3/8", 20" Power Type Diesel Transmission System Hydraulic Transport Package Wooden Box Specification 5 1/2", 7", 9 5/8", 13 3/8" Trademark zhongshi Origin China HS Code 8413 Production Capacity 5000

Product Description

Model DCFZ-A hydraulic stage tool is a special tool used to complete the cementing operation in two times. Mainly used in the following circumstances,
 
1.1. Excessive injection of cement at one shot.
1.2. The formation cannot bear the gigantic fluid pressure. 
1.3. Packoff special strata. 
1.4. Avoid the occurrence of annual air channeling after the cementing job.
1.5. The considerable temperature difference between the upper and lower section makes it rather difficult to adjust the slurry performance.
1.6. Two-stage cementing for deviated and horizontal wells
 
Specification (in)95/8²(Φ244.5)
Opening Pressure (MPa)14~16
Closing Pressure (MPa)5
Sealing Capacity (MPa)25
Rated Load (t)238
Connection threadAPI 9 5/8² BTC
Max. OD. (mm)
))		282.5
Drill-out ID. (mm)220.5
Overall Length (mm)930
Length of first-stage plug (mm)400
Length of Closing plug (mm)286