| Use: | Well Drilling |
|---|---|
| OEM: | Avaliable |
| Sample: | Avaliable |
| Stage Collar Type: | Mechanical |
| Transport Package: | Wooden Case |
| Specification: | 5 1/2"-13 3/8" |
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier 
1.Mechanical type
2.Top/Closing Plug and First Stage/Flexible Plug
3.Battle Plate/Free Fall Opening Device/Battle Plate
4.Available in sizes 5-1/2" to 13-3/8"
5.Free Fall Opening Device
Product Advantage of Mechanical type two-stage cementing operations
1. Mechanical Stage collar allows cementing of casing string in two stages.
2. These collar set the standard for reliability, cost effectiveness, and ease of use with outstanding built-in features and quality.
3. They are the collars of choice when drilling requirements call for proven technology and low risk.
4. The compact, simple design minimizes the number of moving parts and makes the tools easier to handle.
5. The collar's clear opening and closing indications at the surface accommodate the hydraulic conditions of the well for safer, more efficient operations.
6. The internal sleeves increase reliability and prevent premature opening from formation restrictions on applied pressures.
7. It reduces total pumping pressure in long casing strings.
| 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 |
Suppliers with verified business licenses
Audited Supplier 
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