Pansi dzenje dth pobowola nyundo pang'ono wopanga
1.Kutalikirapo moyo wa kubowola: zinthu aloyi, ndi yaitali ntchito moyo kuposa mankhwala ofanana;
2.High Dilling Eficiency: mabatani obowola samva kuvala, kotero kuti kubowola kumakhalabe lakuthwa nthawi zonse motero kumapangitsa kuti liwiro la drllng likhale labwino kwambiri.
3.Liwiro la kubowola ndilokhazikika: kachidutswa kakang'ono kamakwapula ndi kudulidwa kuti tithyole thanthwe.
4.Kugwira Kwabwino: Dongosolo Latsopano la Diamondi lili ndi kukana kolimba kovala, chitetezo chabwino cha Diameter ndipo chimapangitsa kuti mano odula agwiritsidwe ntchito bwino.
5.Kugwiritsa ntchito zosiyanasiyana: mchitidwewu amatsimikizira kuti pang'ono ndi oyenera carbonate thanthwe, miyala yamchere, choko, dongo thanthwe, siltstone, sandstone ndi zina zofewa ndi zolimba (9 grade drillability thanthwe, hard rock drling), poyerekeza ndi bit wamba, makamaka kubowola mu 6-8 giredi thanthwe zotsatira zake ndi zofunika kwambiri.
Chitsanzo | Kugwirizana kwa Ulusi | OD(mm) | Rec.Hole Kukula | Shank Style | Kupanikizika kwa Ntchito (Bar) |
CD35 | API 2 3/8" Reg | φ82 mm | φ90-φ105 | DHD3.5 CD35 | 1.0-1.5Mpa |
CD45 | API 2 3/8" Reg | φ99 mm | φ110-φ135 | Cop44 Chithunzi cha DHD340 CD45 | 1.0-2.5Mpa |
Chithunzi cha CSD4 | API 2 3/8" Reg | φ99 mm | φ110-φ135 | SD4 Chithunzi cha CSD4 | 1.0-2.5Mpa |
Mtengo wa CQL40 | API 2 3/8" Reg | φ99 mm | φ110-φ135 | QL40 Mtengo wa CQL40 | 1.0-2.5Mpa |
CD55 | API 2 3/8" Reg API 3 1/2" Reg | 125 mm | φ135-φ155 | Cop54 Chithunzi cha DHD350R CD55 | 1.0-2.5Mpa |
Chithunzi cha CSD5 | API 3 1/2" Reg | 125 mm | φ135-φ155 | SD5 Chithunzi cha CSD5 | 1.0-2.5Mpa |
Mtengo wa CQL50 | API 3 1/2" Reg | 125 mm | φ135-φ155 | Cop54 QL50 Mtengo wa CQL50 | 1.0-2.5Mpa |
CD65 | API 3 1/2" Reg | 148mm | φ155-φ190 | Cop64 Chithunzi cha DHD360 CD65 | 1.0-2.5Mpa |
Chithunzi cha CSD6 | API 3 1/2" Reg | 148mm | φ155-φ190 | SD6 Chithunzi cha CSD6 | 1.0-2.5Mpa |
Mtengo wa CQL60 | API 3 1/2" Reg | 148mm | φ155-φ190 | Cop64 QL60 Mtengo wa CQL60 | 1.0-2.5Mpa |
CD85 | API 4 1/2" Reg | 185 mm | φ195-φ254 | Cop84 Chithunzi cha DHD380 CD85 | 1.0-2.5Mpa |
Chithunzi cha CSD85 | API 4 1/2" Reg | 185 mm | φ195-φ254 | SD8 ndi Chithunzi cha CSD8 | 1.0-2.5Mpa |
Mtengo wa CQL80 | API 4 1/2" Reg | 185 mm | φ195-φ254 | QL80 Mtengo wa CQL80 | 1.0-2.5Mpa |
Chithunzi cha CSD10 | API 4 1/2" Reg API 5 1/2" Reg API 6 5/8" Reg | φ225 mm | φ254-φ311 | SD10 Chithunzi cha CSD10 | 1.0-2.5Mpa |
Chithunzi cha CN100 | API 6 5/8" Reg | φ225 mm | φ254-φ311 | NUMA100 Chithunzi cha CN100 | 1.0-2.5Mpa |
Chithunzi cha CSD12 | API 6 5/8" Reg | φ275 mm | φ305-φ445 | Chithunzi cha SD12 Chithunzi cha CSD12 | 1.0-2.5Mpa |