Ngā Mahi Tātari Puku Mīhini i runga i te Rig Drilling
• Ka whakamahia e ngā taputapu pai o te drawworks te tuku mekameka roera, ā, ka whakamahia e ngā taputapu kino te tuku taputapu.
• Ka whakahinuhinuhia ngā mekameka taraiwa tino tika, tino kaha hoki.
• He kōhao te tinana o te pahu. He mamau ngongo hau whakapūhauhau ngā pito tere-iti me te tere-nui o te pahu.
Ka whakamahia e te pēra matua te pēra whitiki, te pēra kōpae waipēhi rānei, ko te pēra āwhina ia ka whakamahia te pēra aukume hikohiko kua whirihorahia (wai, hau rānei kua whakamataohia).
Ngā Tawhā Taketake o ngā Mahi Tātari Puku Mīhini:
| Tauira o te waka | JC40 | JC50 | JC70 | |
| Te hohonutanga keri ingoa, m(ft) | me te 114mm (4-1/2")DP | 2500-4000(8200-13100) | 3500-5000(11500-16400) | 4500-7000(14800-23000) |
| me te Ф127mm (5") DP | 2000-3200(6600-10500) | 2800-4500(9200-14800) | 4000-6000(13100-19700) | |
| Mana whakatauranga, kW (hp) | 735 (1000) | 1100 (1500) | 1470 (2000) | |
| Te tere o te kume raina, kN(kips) | 275(61.79) | 340(76.40) | 485(108.98) | |
| Te whānui o te raina keri, mm(inihi) | 32 (1-1/4) | 35 (1-3/8) | 38 (1-1/2) | |
| Rahi o te pahu (D×L), mm (inihi) | 640 × 1235 | 685×1245 | 770×1436 | |
| Rahi o te pū pērai (D ×W), mm(inihi) | 1168×265 | 1270×267 | 1370×267 | |
| Rahi kōpae pērai (D×W), mm(inihi) | 1500×76 | 1600×76 | 1600×76 | |
| Pēki āwhina | Pēra aukume hikohiko/pēra Eaton | |||
| DSF40/236WCB2 | DS50/336WCB2 | DS70/436WCB2 | ||
| Ahu (R×W×H), mm(inihi) | 6450×2560×2482 (254×101×98) | 7000×2955×2780 (276×116×109) | 7930×3194×2930 (312×126×115) | |
| Taumaha, kg(lbs) | 28240(62259) | 45210(99670) | 43000(94800) | |



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