Date: 2011-08-10 Hits: 3247
Spiral drill collar
Specifications:
OD |
ID |
Connections | ||
inch |
mm |
inch |
mm | |
4-1/8’’ |
104.78 |
2 |
50.8 57.15 |
NC31,NC35 NC35 |
4-3/4’’ |
120.65 |
2 |
50.8 57.15 |
NC35, NC35,NC38(3 1/2IF) |
6-1/4’’ |
158.75 |
2-1/4 |
57.15 71.44 |
NC44 NC46(4 IF) |
6-1/2’’ |
165.1 |
2-1/4 |
57.15 71.44 |
NC46(4 IF) NC46(4 IF) |
7’’ |
177.8 |
2-1/4 |
57.15 71.44 |
NC50(4 1/2IF) NC50(4 1/2IF) |
8’’ |
203.2 |
2-13/16 |
71.44 76.2 |
6 5/8REG 6 5/8REG |
9’’ |
228.6 |
2-13/16 |
71.44 76.2 |
NG61 7 5/8REG |
9-1/2’’ |
241.3 |
3 |
76.2 |
7 5/8REG |
10’’ |
254 |
3 |
76.2 |
NC70 |
11’’ |
275.4 |
3 |
76.2 |
NC77 |
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