Alloy Steel Full Bore Retrievable RD Circulating Valve
Brand Name:Techcore
Certification:ISO, BV
Model Number:9 5/8" RTTS Circulating valve
Minimum Order Quantity:1 set
Delivery Time:30-45 days
Place of Origin:CHINA
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APR Tools Full Bore Retrievable Circulating Valve RTTS Tools for DST
The Full Bore Retrievable Circulating Valve is the RTTS Circulating Valve in Halliburton type. The RTTS circulating valve is used in drill stem testing string with RTTS packer and the RTTS circulating valve can be locked closed when the packer is unset to reverse fluid around the bottom of the packer. The full bore design of the RTTS circulating valve allows tubing-type guns and other wire line equipment to pass.
Operation of RTTS Circulating Valve
When the packer is set, the RTTS circulating valve is automatically locked in the closed position. During well testing operation and squeezing operations, the lock of RTTS circulating valve can help prevent the valve from being pumped open. A straight J-lot on the RTTS circulating valve in the locked-open position can be used with the straight J-slot (optional) in the packer body. This combination eliminates the need to turn the tubing to close the circulating valve or reset the packer after the tubing has been displaced with cement.
Specification of RTTS circulating valve
| No. | Nominal Size/ in. | OD in. | ID in. | Tensile Rating/lb | Burst Rating/psi | Collapse Rating/psi |
| 1 | 2 3/8 | 1.68 | 0.68 | 31,900 | 11,600 | 9,900 |
| 2 | 4 1/2 to 5 | 3.60 (9.14) | 1.80 (4.57) | 85,000 (38 556) | 10,100 | 10,700 |
| 3 | 51/2 to 6 5/8 | 4.18 (10.62) | 1.99 (5.05) | 150,700 (68 358) | 10,000 | 14,200 |
| 4 | 7 to 7 5/8 | 4.87 (12.37) | 2.44 (6.19) | 148,800 (67 496) | 10,000 | 10,100 |
| 5 | 8 5/8 to 13 3/8 | 6.12 (15.54) | 3.00 (7.62) | 311,400 (141 251) | 10,500 | 10,100 |
﹡HSE﹡Safety Testing instructions of RTTS Circulating valve
1. When running each pressure test, you must increase pressure gradually. When the pressure is up to 20MPa, hold on for one minute, then every 10MPa keep it for one minute until the rating pressure;
2. During doing the pressure test, the tool should be placed in the test pit and cover the protecting board on the pressure test plug.
3.During the whole process, make sure the entire test operator keep away from plug and joint which may lapse.
4.Test area should set isolation, others except operator not allowed to enter test area.
5.If there is anybody in the test area, it should set isolation, avoiding test production fly off the test area.
Third party inspection report of RTTS packer and circulating valve
* Drill stem testing tools are available for cased hole, open hole and slim hole including:
Full bore retrievable packer, full bore retrievable circulating valve, full bore retrievable safety joint, downhole tester valve, select tester valve, LPR- N Valve, omni valve, multi-cycle circulating valve, hydraulic jar, vertical shock absorber, radial shock absorber, RD safety circulating valve, high pressure retrievable packer with bypass, CHAMP packer, IPO valve, tubing string test valve, sleeve type drain valve, rupture disk sampler, super safety valve with control panel, BOP safety valve for downhole operation and so on.
Alloy Steel Full Bore Retrievable RD Circulating Valve
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