Bit Drill Piʻi ʻOi
Nā Mea Hana ʻOlu
ʻO nā ʻōnaehana ODEX no nā hāmare DTH i hoʻolālā kūikawā ʻia e wili a hihia i ka manawa like ma o ka overburden.E hele maʻalahi kēia mau mea hana wili overburden paʻa i nā pōhaku nui no ka huki māmā ʻana kahi i hoʻokomo ʻia ai nā pahu liʻiliʻi ma hope o lākou.He mea maʻalahi kēia mau mea hana hoʻoheheʻe overburden mai ka lua/hohonu a hāʻawi ʻia i kā mākou mea kūʻai aku ma kēia mau kikoʻī ʻenehana:
1. Hoʻopili ʻia i ka ʻeli ʻana i kahi o ka hoʻokumu ʻia ʻana o ka pōhaku i ke kaumaha a pono e kākoʻo i ka pahu pahu.
2. hiki ke wehe a pani.
3. Ka Papa Hana: He kūpono ia no ka ʻeli ʻana i nā pūnāwai wai, nā pūnāwai geothermal, a me nā pōkole miscopies medium mini-type grouting lua o ka hale, dam a me nā pāhana awa.
4. Nā Kuleana Hoʻolālā: E hana maʻalahi ka pahu pahu a me ka maʻalahi o ka lako a me ka hana
5. Nā Pōmaikaʻi Kūikawā: Ka hoʻolālā maʻalahi, ka hana maʻalahi, ka maikaʻi hilinaʻi, nā mea hana wili e hiki ke hoʻihoʻiʻia, ke ola lōʻihi.
6. Puke loko me nā pahu pahu, pahu waho me nā pahu lāʻau
| Hamara | Pilotdiameter | Anawaena hou | ʻO ke anawaena o waho ka pahu pahu pahu | Ka mānoanoa o ka paia o ka pahu pahu | ʻO ka paia pahu pahu mānoanoaw/o casing shoes | |
| ODEX 90 | 3″ | 90 (3-9/16) | 123(4-13/16) | 114.3 (4-1/2) | 6.3 (1/4) | 10 (3/8) |
| ODEX 115 | 3″-4″ | 115 (4-1/2) | 152 (6) | 139.7 (5-1/2) | 6.3 (1/4) | 10 (3/8) |
| ODEX 127 | 4″ | 127 (5) | 165 (6-1/2) | 152.4 (6) | 6.3 (1/4) | 10 (3/8) |
| ODEX 140 | 4″-5″ | 140 (5-1/2) | 181 (7-1/8) | 168.3 (6-5/8) | 6.3 (1/4) | 12.7 (1/2) |
| ODEX 152 | 5″-6″ | 152 (6) | 192 (7-9/16) | 177.8 (7) | 6.3 (1/4) | 10 (3/8) |
| ODEX 165 | 5″-6″ | 165 (6-1/2) | 209 (8-7/32) | 193.7 (7-5/8) | 6.3 (1/4) | 12.7 (1/2) |
| ODEX 190 | 6″-8″ | 190 (7-1/2) | 235 (9-1/4) | 219.1 (8-5/8) | 6.3 (1/4) | 12.7 (1/2) |
