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

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.

ZZ Top Oil Tools Co.,Ltd as head office registered in Xi’an City in 2010, and in 2016, ZZ TOP OIL TOOLS enlarged the downhole oil tools factory under the Brand - TECHCORE in Baoji, which engages in designing and manufacturing the downhole oil tools including DST tools, Coiled tubing tools etc.

As one group, ZZ TOP provides the clients highly efficient & expertise service as well as more comprehensive products to meet the customers' requirements during the work, and insists on "Traceability, Serialization" for each tools and related parts

Equipments List

Techcore specialized in design, manufacture and sales of the oil well downhole tools as below:

* Drill stem testing tools for cased hole,  open hole and slim hole:

Retrievable packer, circulating valve,safety joint, downhole tester valve,LPR- N Valve, multi-cycle circulating valve, hydraulic jar, shock absorber, RD safety circulating valve,CHAMP packer, IPO valve, tubing string test valve, drain valve,RD sampler, super safety valve etc.

* Coiled Tubing Tools: Double slip connector, roll on connector, roll on x thread connector, double flapper check valve, motor head, dual function circulating valve, hydraulic jar, fishing tools etc.

* Perforating tools: Various perforator & perforating gun system, Shaped Charge Body

 *Oil well completion tools include: Subsurface safety valve, wireline retrievable subsurface safety valve, single string production packer, dual strings production packer, ESP packer, mechanical set packer, permanent packer, compensation device, bridge plug, sliding sleeve, nipples etc. 

DST Tools Warehouse