Down the rami dth sd manufa 6" guduma da bit price
A wasu aikace-aikace, kamar hakowa tushe, ana iya amfani da hammata na DTH tare da bit guda a cikin girman rami har zuwa .750 mm (30 ″).Tare da raka'a guduma da yawa CD (Cluster drills) ramukan huda har zuwa 70 ″ ko 1778 mm.
A matsayinka na babban yatsan hannu, ƙaramin diamita mafi ƙanƙanta da guduma na DTH zai iya haƙa shine girman sa.Guduma mai inci 4 zai hako rami mai inci 4 (102 mm).Matsakaicin iyaka shine diamita na waje na guduma, saboda, yayin da diamita na rami ya ragu, an ƙuntata iska.Matsakaicin girman rami don haɓaka hakowa shine girman guduma mara kyau da inch 1, don haka don guduma inch 4 matsakaicin girman rami shine inch 5 (127-130 mm).
Zaɓin guduma mai kyau ana ƙaddara ta hanyar girman rami da nau'in samuwar dutse.Da kyau, girman guduma ya kamata ya dace da girman ramin da ake buƙata kamar yadda zai yiwu, yana barin isasshen sarari don yanka don fitar da ramin.
Samfura | Haɗin Zare | OD (mm) | Girman Ramin Rec | Shank Style | Matsin Aiki (Bar) |
CD35 | API 2 3/8" Reg | 82mm | 90-φ105 | Farashin 3.5 CD35 | 1.0-1.5Mpa |
CD45 | API 2 3/8" Reg | ku 99mm | φ110-φ135 | Cop44 Farashin 340 CD45 | 1.0-2.5Mpa |
CSD4 | API 2 3/8" Reg | ku 99mm | φ110-φ135 | SD4 CSD4 | 1.0-2.5Mpa |
CQL40 | API 2 3/8" Reg | ku 99mm | φ110-φ135 | QL40 CQL40 | 1.0-2.5Mpa |
CD55 | API 2 3/8" Reg API 3 1/2" Reg | φ125mm | φ135-φ155 | Kwafi54 Farashin 350R CD55 | 1.0-2.5Mpa |
CSD5 | API 3 1/2" Reg | φ125mm | φ135-φ155 | SD5 CSD5 | 1.0-2.5Mpa |
CQL50 | API 3 1/2" Reg | φ125mm | φ135-φ155 | Kwafi54 QL50 CQL50 | 1.0-2.5Mpa |
CD65 | API 3 1/2" Reg | φ148mm | φ155-φ190 | Cop64 Bayanan Bayani na 360DD CD65 | 1.0-2.5Mpa |
CSD6 | API 3 1/2" Reg | φ148mm | φ155-φ190 | SD6 CSD6 | 1.0-2.5Mpa |
CQL60 | API 3 1/2" Reg | φ148mm | φ155-φ190 | Cop64 QL60 CQL60 | 1.0-2.5Mpa |
CD85 | API 4 1/2" Reg | φ185mm | φ195-φ254 | Kwafi84 Farashin 380 CD85 | 1.0-2.5Mpa |
CSD85 | API 4 1/2" Reg | φ185mm | φ195-φ254 | SD8 CSD8 | 1.0-2.5Mpa |
CQL80 | API 4 1/2" Reg | φ185mm | φ195-φ254 | QL80 CQL80 | 1.0-2.5Mpa |
CSD10 | API 4 1/2" Reg API 5 1/2" Reg API 6 5/8" Reg | φ225mm | φ254-φ311 | SD10 CSD10 | 1.0-2.5Mpa |
Farashin CN100 | API 6 5/8" Reg | φ225mm | φ254-φ311 | NUMA100 Farashin CN100 | 1.0-2.5Mpa |
CSD12 | API 6 5/8" Reg | φ275mm | φ305-φ445 | SD12 CSD12 | 1.0-2.5Mpa |