Ngwa igwe eji egwu egwu Rotary Nnukwu dayameta Tricone Drill Bits
Iji ọnọdụ
1. Ngwuputa
2.Mmiri ọma
3.Oil ubi & gas
4.Construction mkpọpu ngwa
TDS Rotary Tricone Bits emeberela nke ọma ihe nrụpụta na ntinye carbide iji guzogide oke ịma aka nke ngwa Ngwuputa taa.Na-adị njikere mgbe niile maka mmelite na ngwaahịa yana ịnye ngwaahịa dị elu / ọnụ ahịa.Ịhọrọ atụmatụ ziri ezi na nguzozi n'etiti ROP dị elu (Rate of Penetration) na ndụ ọrụ ịkụ ala dị mma nke na-eme ka TDC dị mma (Total Drilling Cost) maka ndị ahịa.
Ọnọdụ IDC
Usoro | Ngwa | Oke arụ ọrụ | |
Ọsọ ntụgharị (RPM) | Ibu na Bit-WOB(lb/in) | ||
30 | Dị nnọọ nro | 70-140 | 1000-4000 |
40 | Dị nro | 70-140 | 1000-4000 |
50 | Dị nro ruo Ọkara | 50-140 | 2000-5000 |
60 | Ọkara ruo Ike | 50-110 | 3000-6000 |
70 | siri ike | 50-90 | 3500-7500 |
80 | Oke siri ike | 40-80 | 5000-8000 |
Nha dị
Nha Bit | ||
n'ime | mm | Nha pin |
6 3/4 | 171 | 3 1/2 |
7 7/8 | 200 | 4 1/2 |
8 1/2 | 216 | |
9 | 229 | |
9 7/8 | 251 | 6 5/8 |
10 5/8 | 270 | |
11 | 279 | |
12 1/4 | 311 | |
13 3/4 | 350 |
Dee ozi gị ebe a ziga anyị ya