Tension Safety Joint Downhole Oil Tools Full Bore Slim Hole DST Tools Full Opening
Introudction of Tension Safety Joint
The Tension Safety Joint is the optional emergency backoff tool of the drill stem testing work string. The tension safety joint provides a means to disconnect the drill string above the packer when the test packer is stuck during the testing operation.
The tension safety joint is available for the casing size from 2 3/8" to 13 3/8", and the working pressure reaches to 10000 psi.
Feature of the Tension safety Joint
* Full opening of the tension safety joint will provide the passage for other down hole tools.
* The tensile load should be predetermined
* Tools above it can be retrieved when string is stuck.
Operation of the tension safety joint
When running the tension Safety Joint with Tubing Conveyed Perforating, calculate the string weight below the RTTS Safety Joint. The string weight below the tension Safety Joint should not exceed 30% of the tension Safety Joint tension sleeve rating.
Application of the Tension Safety Joint
* Slim Hole Drill stem testing Operation
* Tubing - converyed perforating operation - TCP operation
* Well Completion operations
Specification of tension safety joint
| Casing Size | 2 3/8 in |
| OD | 1.81 in |
| ID /in | 0.68 in |
| Connections | 1.05 10 RD |
| Length | 24.3 in |
| Tensile Rating | 36,000 lb |
| Burst Rating | 9,600 psi |
| Collapse Rating | 23,200 psi |
Spare parts of Tension Safety Joint
Techcore Oil Tools expertise in manufacture of the Drill Stem Testing Tools for more than Ten years, the professional Reserch and Development (R&D) department improves the advanced technology in design of the Drill stem testing tools for well testing service.
* Techcore insist on superior quality, strong packing & timely delivery.
* Third party inspection is available from SGS, BV, DNV etc.
* Techcore do the best to supply thoughtful and prompt after-sales service to guarantee for the
customers' benefits
* Techcore insist on the traceability of each Drill stem testing tools and related DST parts from
the raw material to the finished products to meet on requirements of onshore and offshore standards.
The drill stem testing tools are applied in cased hole, open hole and slim hole, the main DST tool string includes RTTS packer, circulating valve, safety joint, select tester valve, omni valve, hydraulic jar, shock absorber, RD safety circulating valve, high pressure retrievable packer with bypass, IPO valve, tubing string test valve, and so on.
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Tension Safety Joint Downhole Oil Tools Full Bore Slim Hole DST Tools Full Opening Images
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