API 7K hydraulic drawworks
group nameDrilling Rig Accessories
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Min Order1 piece
modelDC
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update timeSun, 07 Apr 2013 23:58:58 GMT
Paramtents
Usage Oil Well
Type Rotary Drilling Rig
Condition New
Packging & Delivery
Min Order1 piece
Briefing
1.standard: API 7K.
Detailed
hydraulic drawworks:
1.standard: API 7K.
hydraulic drawworks
- The drawwork conforms to API Spec. 7K.
- It includes mechanical driven,DC motor driven and AC variable frequency motor driven drawworks.
- The main brake can be either a band or disc brake system.
- The auxiliary brake can be realized by an eddy current brake,a water brake or an Eaton brake.
Model | JC40D | JC50D | JC70D | JC90D | |||
Range of drilling depth | Φ114mm stem | 2500-4000 | 3000-5000 | 4500-7000 | 6000-9000 | ||
Φ127mm stem | 2000-3200 | 2800-4500 | 4000-6000 | 5000-8000 | |||
Rated power kW(hp) | 735(1000) | 1100(1500) | 1470(2000) | 2210(3000) | |||
No.*rated power of motor | 2*580 | 2*800 | 2*800 | 3*800 | |||
Rated speed of motor r/min | 880/970 | 970 | 970 | 970 | |||
Dia. of wire line mm(in) | 32(1 1/4) | 35(1 3/8) | 38(1 1/2) | 45(1 3/4) | |||
Max. pull of fast line kN | 275 | 340 | 485 | 630 | |||
Drum(dia*width) mm(in) | Band brake | 640*1235 (25 1/4*48 1/2) | 640*1235 (27*49) | 770*1439 (30*56 5/8) | 914*1556 (36*61 1/4) | ||
Brake (dia*width) mm(in) | 1168*265 (46*10 1/2) | 1270*267 (50*10 1/2) | 1370*267 (54*10 1/2) | 1575*264 (62*10 3/8) | |||
Drum(dia*width) mm(in) | Disc brake | 640*1139 (25 1/4*44 7/8) | 685*1138 (27*44 7/8) | 770*1361 (30*53 5/8) | 914*1556 (36*61 1/4) | ||
Brake disc(dia*width) mm(in) | 1500*40 (59*1 1/2) | 1600*76(63*3) | 1600*76(63*3) | 1600*76(63*3) | |||
Sandline drum(dia*length) mm(in) | 356*1245 (14*49) | 356*1245 (14*49) | 356*1245 (14*49) | 356*1448 (14*57) | |||
Auxiliary brake | DS40 | DS50 | DS70 | DS90 | |||
