Hydraulic Double Stage Cementing Collar Oil Drilling Equipment

• After-sales Service: 7X24
• Warranty: 12 Months
• Certification: ISO 9001:2000, ISO 9001:2008, API 5CT
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: Cement Collar
• Surface Treatment: Spray-Paint
• Centralizer Type: Hydraulic/Mechanical
• Structure: Multistage
• Material: Iron, Alloy
• Type: Cementing Collar
• Connection: API Casing Threads
• Processing Type: Forging
• Applicable Industries: Energy & Mining
• Transport Package: Wooden Box
• Specification: 5-1/2" to 13-3/8"
• Trademark: LFM
• Origin: China
• Production Capacity: 3000 PCS/Year

Product Description

Product Description

1) Introduction

Stage collar is a tool used to complete the cementing operation into two times.

The stage collar should be used with centralizers above and below and a cementing basket positioned below the ports.

2) How to work

The operation of the collar is simple and reliable. It features a double locking mechanism consisting of a snap lock and ball lock system to assure that the ports are permanently locked closed after cementing is completed. Internal parts are designed to lock to prevent rotation during drill out and are constructed of easily drillable materials.

3) Features

a. Opening pressure can be adjusted and it is not subjective to hole angle.
b. The pressure-relief design prevents fluid trapping and compression during the closing phase of the tool's operation.
c. 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.
d. The inner seats are made of an easily drillable NBR rubber/aluminum material. Both the opening and closing seats lock against rotation for easy drill out.

ty.
Product Photos

Size, 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

Product Photos

Factory
 

Certificates