• Model NO.：ZS-GH-CC01
• Technical Support：Yes
• Package：Wooden Case
• Delivery Time：30 Days for Large Quantity
• Preshipment Inspection：Yes
• Transport Package：Cartons and Wood Case Packaging
• Specification：API
• Trademark：zhongshi
• Origin：Henan, China
• HS Code：8431
• Production Capacity：100PC,Month

Basic Info.

Model NO. ZS-GH-CC01 Technical Support Yes Package Wooden Case Delivery Time 30 Days for Large Quantity Preshipment Inspection Yes Transport Package Cartons and Wood Case Packaging Specification API Trademark zhongshi Origin Henan, China HS Code 8431 Production Capacity 100PC/Month

Product Description

API Dual Stage Cementing Collar for Oilfield Use

1. Hydraulic stage cementing collar
He DCFZ-A hydraulic stage cementing collar features inner closing structure, opening through pressure difference. The closing plug drives the closing sleeve down and then shuts circulating ports.

Features:
1, Openging pressure can be adjusted and it is not subjective to hole angle or mud properties for operation.
2, The pressure-relief design prevents fluid trapping and compression during the closing phase of the tool's operation.
3, The I. D. Of upper/lower sub is the same as that of casing, but smaller than that of closing sleeve, which can minimize chances of damages to the closing sleeve.
4, The inner seats are made of an easily drillable butyronitrile rubber/aluminum material. Both the opening and closing seats lock against rotation for easy drillout.

2. Property Parameters
Specifications, mm
Φ 139.7
Φ 177.8
Φ 244.5