Nkwụsị ụkwụ bụ ntakịrị ihe a na-emepụta maka iji n'ụdị dị nro dị ka ájá, ụrọ, ma ọ bụ nkume dị nro.Otú ọ dị, ha agaghị arụ ọrụ nke ọma na gravel ma ọ bụ nkume siri ike.Ihe eji eme ya gụnyere igwu mmiri olulu mmiri, Ngwuputa ihe, geothermal.environmental na igwu ala.Mgbe ọ bụla enwere ike, ekwesịrị iji ha gwuo oghere ndị na-anya ụgbọ elu n'ihi na ha na-amịpụta mkpụkọ ndị kacha mfe ịbanye.
Nku 3 nzọụkwụ ịdọrọ ibe n'ibe bụ otu ihe owuwu nke ihe nkedo alloy nwere ndụmọdụ igbutu tungsten carbide na akụkụ nlele iji hụ na ndụ dị ogologo.Ọ nwere nku 3 na oghere na-asọpụta 3.Tụnyere nku 4, 3 nku nzọụkwụ ịdọrọ ibe n'ibe na-agbawa ngwa ngwa na ike ike, ebe, na-adị mkpụmkpụ na-adịgide adịgide ma na-adịteghị aka.Ọsọ tebụl rotary nke nzọụkwụ ịdọrọ ibe n'ibe kwesịrị ịdị n'etiti 60 na 80 rpm nwere obere arọ na bit (WOB).
3 nku nzọụkwụ ịdọrọ ibe n'ibe bụ echekwa ngwá ọrụ mgbe mkpọ ala softer geological formations na shallower omimi, ha na-primado haziri maka rọrọ tomedium formations, dị ka Clay, Loam, Silt, Mostsoft-to-medium groundsthat nwere ụfọdụ mmiri mmiri, wdg Na kwa nzọụkwụ ịdọrọ ibe n'ibe. akwadoro maka igwu ala na Ngwuputa, Nchọpụta, Environmental, Water well, Geo Exchange, wdg.
Cheta na: The dayameta na eri gosiri dị ka n'elu bụ mbụ size, ndị ọzọ nha dị mgbe arịrịọ.
Nha eriri: 2 3/8 '' API Reg, 2 7/8 '' API Reg, 3 1/2 '' API Reg, 4 1/2 '' API Reg, 6 5/8 '' API Reg, 2' ' API Ọ BỤRỤ, 2 3/8'' API Ọ BỤRỤRỤ, 2 7/8'' API Ọ BỤRỤ na, Mkpanaka, N Rod, AW, BW, NW, AWJ, BWJ, NWJ.
| Dayameta Bit | |||||
| (inch) | (mm) | (inch) | (mm) | (inch) | (mm) |
| 3 1/2" | 88.9 mm | 6 1/8" | 155.6 mm | 8 7/8" | 225.4 mm |
| 3 5/8" | 92.1 mm | 6 1/4" | 158.8 mm | 9" | 228.6 mm |
| 3 3/4" | 95.3 mm | 6 1/2" | 165.1 mm | 9 1/8" | 231.8 mm |
| 3 7/8" | 98.4 mm | 6 5/8" | 168.3 mm | 9 1/4" | 235.0mm |
| 4" | 101.6 mm | 6 3/4" | 171.5 mm | 9 1/2" | 241.3 mm |
| 4 1/8" | 104.8 mm | 6 7/8" | 174.6 mm | 9 5/8" | 244.5 mm |
| 4 1/4" | 108.0 mm | 7" | 177.8 mm | 9 3/4" | 247.7 mm |
| 4 1/2" | 114.3 mm | 7 1/8" | 181.0 mm | 9 7/8" | 250.8 mm |
| 4 5/8" | 117.5 mm | 7 1/4" | 184.2 mm | 10" | 254.0 mm |
| 4 3/4" | 120.7 mm | 7 3/8" | 187.3 mm | 10 5/8" | 269.9 mm |
| 4 7/8" | 123.8 mm | 7 1/2" | 190.5 mm | 11 1/2" | 292.1 mm |
| 5" | 127.0mm | 7 5/8" | 193.7 mm | 12" | 304.8 mm |
| 5 1/8" | 130.2 mm | 7 3/4" | 196.9 mm | 12 1/4" | 311.2 mm |
| 5 1/4" | 133.4 mm | 7 7/8" | 200.0mm | 12 1/2" | 317.5 mm |
| 5 3/8" | 136.5 mm | 8" | 203.2 mm | 13 3/4" | 349.3 mm |
| 5 1/2" | 139.7 mm | 8 1/8" | 206.4 mm | 14" | 355.6 mm |
| 5 5/8" | 142.9 mm | 8 1/4" | 209.6 mm | 14 3/4" | 374.7 mm |
| 5 3/4" | 146.1 mm | 8 1/2" | 215.9 mm | 15" | 381.0 mm |
| 5 7/8" | 149.2 mm | 8 5/8" | 219.1 mm | 15 3/4" | 400.1 mm |
| 6" | 152.4 mm | 8 3/4" | 222.3 mm | 17 1/2" | 444.5 mm |
Dọrọ ngwugwu Bits
| Ọnụ ego kacha nta | N/A |
| Ọnụ ahịa | |
| Nkọwa nkwakọ ngwaahịa | Ngwungwu mbupu ọkọlọtọ |
| Oge Mbuga ozi | 7 ụbọchị |
| Usoro ịkwụ ụgwọ | T/T |
| Ikike inye | Dabere na usoro zuru ezu |
