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Address: No.25, Cross Building, Gaoxin 6th Road, Hi-tech Zone, Xi'an, China
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Recloseable Circulating Valve For Drill Stem Testing Service
The Recloseable Circulating Sleeves are assembled as part of tubing string to establish communication between the tubing string and the casing annulus for single or multiple-tubing string completions.
The Reclosable Circulating sleeves are annulus pressure operated
without use of a wireline or coiled tubing tools, features an
internal sliding sleeve which seals against the circulating ports.
The sleeve is held in place with numbers of shear pins, by applying
a predetermined pressure to the annulus, the shear pin shear, the
differential pressure is utilized to shift the sleeve and open the
circulation ports, meanwhile a spring equipped will be compressed
prepare to close the circulating sleeve once the annulus pressure
released by spring force.
Technical parameter of Recloseable Circulating Valve
| 1 | OD | 5”(127.5mm) | ||||||||||||||||||||||||||||||
| 2 | ID | 57mm | ||||||||||||||||||||||||||||||
| 3 | Length | 758mm | ||||||||||||||||||||||||||||||
| 4 | Working Pressure | 70Mpa(10000psi) | ||||||||||||||||||||||||||||||
| 5 | Tensile Strength | 2550KN | ||||||||||||||||||||||||||||||
| 6 | Burst Pressure | 127Mpa | ||||||||||||||||||||||||||||||
| 7 | Collapse Pressure | 110Mpa | ||||||||||||||||||||||||||||||
| 8 | Torque Strength | 60kN.m | ||||||||||||||||||||||||||||||
| 9 | Single Shear Pin Value | As Required | ||||||||||||||||||||||||||||||
| 10 | Working Temp. | -29oC~180oC | ||||||||||||||||||||||||||||||
| 11 | Service | H2S NACE MR0175(Above 175F) | ||||||||||||||||||||||||||||||
| 12 | Connection Thread | 3 1/2” /EUE/IF Box Pin | ||||||||||||||||||||||||||||||
