Techcore Oil Tools Co.,Ltd,
Professional Provider & Manufacture of DST tools, Coiled Tubing Tools & Wireline Tools
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Oil Well Testing Super Safety Valve High Pressure DST Working String
The Super Safety Valve is the BOP safety valve applied for testing operations from jack-up or land rigs. It can rapidly closes the test string in an emergency, serves as a fail safe safety Valve for well testing. And during the well testing, the Super Safety valve is featured with capablity to cut the wireline and 1.5-inch coiled tubing, if the super safety valve is equipped with a cutter ball, by using a nitrogen dome charge or applying balance line pressure, the safety valve has capability of cutting coiled tubing in OD 2 inch and 0.125 inch wall thickness,
The Super Safety Valve is designed with a chemical injection port and controlled by two hydraulic lines The SSV is operated to close by spring force, but the tool has a nitrogen charge chamber to quicken the closing time, which make the super safety valve has the ability to cut wireline and coiled tubing without the addition of balance line pressure.
Technical Parameter of Super Safety valve
| No | Specification | 8" |
| 1 | O.D. | 203.2mm |
| 2 | Bore Diameter | 76.5mm |
| 3 | Make Up Length | 2855.5mm |
| 4 | Working pressure | 103.5Mpa |
| 5 | Working Condition | H2S,NACE MR0175, Full H2S |
| 6 | Working temperature | -29oC+204oC |
| 7 | Material of the SSV body | AISI 4140 or Inonnel 718 |
Advantage of Techcore Oil Tools
Techcore Oil Tools expertise in design and manufacture of the Drill Stem Testing Tools and other downhole 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.
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
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 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.