Heavy-Duty Drawworks for Enhanced Drilling Efficiency and Durability
|
Model of rig |
JC40 |
JC50 |
JC70 |
|
|
Nominal drilling depth, m(ft) |
withФ114mm(4-1/2 ”)DP |
2500-4000(8200-13100) |
3500-5000(11500-16400) |
4500-7000(14800-23000) |
|
with Ф127mm(5″) DP |
2000-3200(6600-10500) |
2800-4500(9200-14800) |
4000-6000(13100-19700) |
|
|
735 (1000) |
1100 (1500) |
1470 (2000) |
||
| Rated power, kW (hp) | ||||
|
275(61.79) |
340(76.40) |
485(108.98) |
||
|
Max. fast line pull, kN(kips) |
||||
|
32 (1-1/4) |
35 (1-3/8) |
38 (1-1/2) |
||
|
Dia. of drilling line, mm(in) |
||||
|
640 ×1235 |
685×1245 |
770×1436 |
||
| Drum size (D×L), mm (in) |
(251/4×481/2) |
(27 ×49 ) |
(30 ×561/2) |
|
|
1168×265 |
1270×267 |
1370×267 |
||
|
Brake hub size (D ×W), mm(in) |
(46 ×101/2 ) |
(50 ×101/2) |
(54 ×101/2) |
|
|
1500×76 |
1600×76 |
1600×76 |
||
|
Brake disc size (D×W), mm(in) |
(59 ×3) |
(63 ×3 ) |
(63 ×3 ) |
|
|
Auxiliary brake |
Electromagnetic eddy current brake/Eaton brake |
|||
|
DSF40/236WCB2 |
DS50/336WCB2 |
DS70/436WCB2 |
||
|
Dimension(L×W×H), mm(in) |
6450×2560×2482 (254×101×98) |
7000×2955×2780 (276×116×109) |
7930×3194×2930 (312×126×115) |
|
|
Weight, kg(lbs) |
28240(62259) |
45210(99670) |
43000(94800) |
|
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