VR Safety Joint of Open Hole Drill Stem Testing Tools 5" x 10000psi
The VR Safety joint is a compact, right-hand safety joint of drill stem testing string. The VR safety joint is run immediately above the retrievable packer assembly to ensure that a minimum number of tools are left in the hole if it becomes necessary to release the safety joint. The VR safety joint is designed with bypass which acts as an auxiliary to the Hydro spring tester bypass to allow fluid to pass though the packer while the work string is being pulled out of the hole.
Specification of Open hole 5" x 10000psi VR safety joint
| No | Specification | 5” |
| 1 | OD | 127.5mm(5”) |
| 2 | ID | 25mm(1”) |
| 3 | Length(mm) | 963mm(38”) |
| 4 | Working pressure | 10000psi(70Mpa) |
| 5 | Tensile strength(yield) | 1628kN |
| 6 | Bursting pressure | 113.6Mpa(16488psi) |
| 7 | Collapse pressure | 150Mpa(21771psi) |
| 8 | Torque strength | 15kN·m |
| 9 | Through area | 1700mm2 |
| 10 | Service Environment | Mud, crude oil, natural gas with H2S,apply to NACE MR0175-2002 |
| 11 | End connections | 3 1/2 IF BXP |
| 12 | Service Temperature | -20oF~+400oF |
Drill stem testing tools for cased hole, open hole and slim hole are available as below
RTTS Serires: Full bore retrievable packer, full bore retrievable circulating valve, full bore retrievable safety joint,
Tester Valve: downhole tester valve, select tester valve, LPR- N Valve, Tubing String Tester Valve
Circulating valve: omni circulating valve, multi-cycle circulating valve, RD Circulating valve, RD safety Circulating Valve, Hydraulic Circulating Valve
Other DST string tools: hydraulic jar, vertical shock absorber, radial shock absorber, RD safety circulating valve, high pressure retrievable packer with bypass, CHAMP packer, IPO valve, sleeve type drain valve, rupture disk sampler, super safety valve with control panel, BOP safety valve for downhole operation and so on.
ZZ TOP Oil Tools Service
Strict quality control system
ZZ Top Oil Tools with the sub-factory certified by ISO is expert in design and production of downhole well testing tools. All the manufacture is strictly conformed with ISO system including Quality Control Management, Environmental Management and Occupational Health & Safety Management. For each downhole tools and each parts, we make the trace-ability from the raw material till the products. And any TPI inspection are available with us from SGS/BV/ TUV /DNV etc..
Continuous after sales service
ZZ TOP Oil Tools provides the prompt after-sales service to our customers to guarantee your benefits. For the complete downhole tools, we provide the free training in our factory, and if you need the site instruction, we can appoint our technical engineer to your site for the training.
Welcome to contact us for more information of the downhole tools!
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