Hydraulic stage cementing collar
Length, ft:
4, 4 1/2, 5, 7
Working temperature, max:
250 °F
APPLICATION
The Stage Cementing Collar is run with the corresponding openhole packer. The tool is used for stage cementing and providing isolation of cemented and non-cemented liner parts.
- The cementing ports are opened hydraulically;
- Check-valve option available in case of no indication of the dart landing;
- The locking mechanism holds the cementing ports closed;
- Full-bore diameter after milling out;
- The material grade of the tool corresponds to the casing grade P-110 (M).
TECHNICAL DATASHEET
| Liner size, in | 4 | 4 1/2 | 5 | 7 |
| Tool OD, in | 4,65 | 5,24 | 5,75 | 7,91 |
| Tool ID, in | 3,46 | 3,90 | 4,41 | 6,26 |
| Activation pressure, psi | 2 300 | 2 300 | 3 000 | 3 000 |
| Closing pressure,psi | 300 | 300 | 600 | 500 |
| Pressure raiting, psi | 10 000 | 10 000 | 10 000 | 8 000 |
| Max working temperature, °F | 250 | 250 | 250 | 250 |
| Thread size* | 4,0 | 4,5 | 5,0 | 7,0 |
*Thread type, metallurgy and elastomers are as per Customer`s requirements