XI 'AN ZZ TOP OIL TOOLS CO.,LTD
XI 'AN ZZ TOP OIL TOOLS CO.,LTD Insist Traceability, serialization
Add to Cart
Drop Ball Circulating Sub For Oil Well Downhole Testing Service
The Drop Ball Circulating Subs are the kind of circulating valve and used for oil well drill stem testing operation, fracturing operation. This circulating valves are manufactured from High strength Alloy Steel. The standard is is pin by box and activated by dropping a chrome steel ball, which lands on a sleeve and as pressure increases, the pins in the sleeve are sheared. This causes the sleeve to move down and expose four ports in the side of the sub diverting the fluid flow.
Technical parameter of Drop Ball Circulating Sub
| 1 | Size | 127.5mm(5”) | |||||||||||||||||||||||||||||||
| 2 | ID | 57mm | |||||||||||||||||||||||||||||||
| 3 | Length | 827.5mm(EUE BxP) | |||||||||||||||||||||||||||||||
| 4 | Working Pressure | 70Mpa | |||||||||||||||||||||||||||||||
| 5 | Tensile Strength | 2142KN | |||||||||||||||||||||||||||||||
| 6 | Internal Pressure Strength | 132.3Mpa | |||||||||||||||||||||||||||||||
| 7 | External Pressure Strength | 142.9Mpa | |||||||||||||||||||||||||||||||
| 8 | Torque Strength | 61.4KN.m | |||||||||||||||||||||||||||||||
| 9 | Service | NACE MR0175,Above 175F | |||||||||||||||||||||||||||||||
| 10 | Working Temperature | -29oC~204oC | |||||||||||||||||||||||||||||||
| 11 | Connection Thread | 3 1/2” IF BXP 3 1/2” EUE BXP | |||||||||||||||||||||||||||||||
