The magnet of Model YLQP Multiwheel Fisher are arranged multi-layered in half cylinder as to strengthen the magnetic field intensity and the roller contact area, which can catch downhole small magnetic absorption falling objects of any shape and the probability of one trip pulled out all the falling objects is more than 90%.
Specifications
TYPE | FISHER O.D MM(IN) | APPLICABLE WELL DIAMETERMM(IN) | APPLICABLETEMPERATURE
℃ |
VERTICALLY COMPLETE REMOVE MAX. SLIP SUCTIONAT MAX. TEMPERATUREKN(LBF) | MAX.WORKING
DRILLING PRESSURE KN(LBF) |
THE DECAY RATE OF TEMPERATURE(%) | CONNECTION |
YLQP116 | 116(4 5/8) | 120(4 3/4) | ≤250 | 2.6(585) | 10(2250) | ≤0.12 | NC31 |
YLQP146 | 146(5 3/4) | 165(6 1/2) | ≤250 | 4(900) | 15(3370) | ≤0.12 | NC38 |
YLQP190 | 190(7 1/2) | 216(7 1/4) | ≤250 | 6.7(1500) | 20(4500) | ≤0.12 | NC50 |
YLQP200 | 200(7 7/8) | 216(7 1/4) | ≤250 | 6.7(1500) | 20(4500) | ≤0.12 | |
YLQP220 | 220(8 5/8) | 245(9 5/8) | ≤250 | 7.3(1640) | 20(4500) | ≤0.12 | |
YLQP285 | 285(11 1/4) | 311(12 1/4) | ≤250 | 8.4(1800) | 30(6750) | ≤0.12 |
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