Pūnaha Keri Puawai Ake
- Awhe Tono
He pai mo te keri i nga puna wai, nga puna waiariki, nga mircopiles poto mo te kohao mo te hanga whare, parepare me te whanga.
- Nga Tikanga Hoahoa
Kia ngawari te whai i te casing me nga taputapu me te mahi ngawari
- Painga Tino
Hanganga ngawari, mahi ngawari, kounga pono, taputapu keri ka taea te tiki, te roa o te mahi.
- Whakatakotoranga
| A | B | C | D | E | F |
| Dia waho.o Tube Casing | Roto Dia.o Tube Casing | Reamed Dia. | Min.Roto Dia.of Casing Shoe | Momo Hama | Paipa Drill |
| mm | mm | mm | mm | mm | |
| 108 | 93-99 | 118 | 86 | TDS79 | 76 |
| 114 | 101-103 | 127 | 91 | R56,T38,TDS79 | 76 |
| 127 | 114-116 | 136 | 101 | TDS79 | 76 |
| 140 | 124-127 | 152 | 117 | TDS98 | 76 |
| 146 | 127-132 | 154 | 117 | TDS98 | 76 |
| 168 | 149-155 | 184 | 140 | TDS122 | 76,89 |
| 178 | 159-165 | 194 | 150 | TDS122 | 76,89 |
| 193 | 173-180 | 206 | 166 | TDS139 | 89,114 |
| 219 | 199-206 | 234 | 193 | TDS139,TDS180 | 89,114 |
| 245 | 224-231 | 260 | 210 | TDS180,TDS220 | 114 |
| 273 | 251-257 | 300 | 241 | TDS180 | 114,127 |
- Whakamahinga:
1. I roto i te hanganga toka kore iu, me whai i te casing.
2. I te nuinga o te wa i roto i te poka wai keri, mo te kohao nui.
3. He pai ake te hohonu o te keri i te 40 mita hei whakahaere pai i te poka.
4. Whakaorite ki te hama 6" me te ngongo casing 194mm.
5. He 20 Pae te pehanga hau, he 500 cfm te puoho hau.
6. Ka haria mai nga taputapu hei whakamahi i nga rua e whai ake nei.
Tuhia to korero ki konei ka tukuna mai ki a matou
