Drill Collar
Mezinahiya standê û girêdana tîrêjê
| OD | ID | Dirêjî mm | Diameter Chamfer mm | Têkiliya Mijara | Rêjeya tevlihevkirinê | ||
| In | mm | in | mm | ||||
| 3-1/8 | 79.4 | 1-1/4 | 31.8 | 9150 | 76.2 | NC23-31 | 2.57:1 |
| 3-1/2 | 88.9 | 1-1/2 | 38.1 | 9150 | 82.9 | NC26-35(238 ID) | 2.42:1 |
| 4-1/8 | 104.8 | 2 | 50.8 | 9150 | 100.4 | NC31-41(278 IF) | 2.43:1 |
| 4-3/4 | 120.7 | 2 | 50.8 | 9150 | 114.7 | NC35-47 | 2.58:1 |
| 5 | 127 | 2-1/4 | 57.2 | 9150 | 121.0 | NC38-50(312 IF) | 2.38:1 |
| 6 | 152.4 | 2-1/4 | 57.2 | 9150 an 9450 | 144.5 | NC44-60 | 2.49:1 |
| 6 | 152.4 | 2 | 71.4 | 9150 an 9450 | 144.5 | NC44-60 | 2.84:1 |
| 6-1/4 | 158.8 | 2-1/4 | 57.2 | 9150 an 9450 | 149.2 | NC44-62 | 2.91:1 |
| 6-1/4 | 158.8 | 2-13/16 | 71.4 | 9150 an 9450 | 150.0 | NC44-62(4IF) | 2.63:1 |
| 6-1/2 | 165.1 | 2-1/4 | 57.2 | 9150 an 9450 | 154.8 | NC44-65(4IF) | 2.76:1 |
| 6-1/2 | 165.1 | 2-13/16 | 71.4 | 9150 an 9450 | 154.8 | NC44-65(4IF) | 3.05:1 |
| 6-3/4 | 171.4 | 2-1/4 | 57.2 | 9150 an 9450 | 159.5 | NC44-67(4IF) | 3.18:1 |
| 6-3/4 | 171.4 | 2-13/16 | 71.4 | 9150 an 9450 | 159.5 | NC50-67(412 IF) | 2.37:1 |
| 7 | 177.8 | 2-1/4 | 57.2 | 9150 an 9450 | 164,7 | NC50-70(412 IF) | 2.54:1 |
| 7 | 177.8 | 2-13/16 | 71.4 | 9150 an 9450 | 164,7 | NC50-70(412 IF) | 2.73:1 |
| 7-1/4 | 184.2 | 2-13/16 | 71.4 | 9150 an 9450 | 169.5 | NC50-72 (412 IF) | 3.12:1 |
| 7-3/4 | 196.8 | 2-13/16 | 71.4 | 9150 an 9450 | 185.3 | NC56-77 | 2.70:1 |
| 8 | 203.2 | 2-13/16 | 71.4 | 9150 an 9450 | 190.1 | NC56-80 | 3.02:1 |
| 8-1/4 | 209.6 | 2-13/16 | 71.4 | 9150 an 9450 | 195.7 | 658 REG | 2.93:1 |
| 9 | 228.6 | 2-13/16 | 71.4 | 9150 an 9450 | 212.7 | NC61-90 | 3.17:1 |
| 9-1/2 | 241.3 | 3 | 76.2 | 9150 an 9450 | 223.8 | 758 REG | 2.81:1 |
| 9-3/4 | 247.6 | 3 | 76.2 | 9150 an 9450 | 232.6 | NC70-97 | 2.57:1 |
| 10 | 254 | 3 | 76.2 | 9150 an 9450 | 237.3 | NC70-100 | 2.81:1 |
| 11 | 279.4 | 3 | 76.2 | 9150 an 9450 | 266.7 | 858 REG | 2.84:1 |
Tîpa Spiral
Ji pola alloy çêbibe û lûleya derveyî xwedan zozanên spiral e.
| OD | Hêza Berberdanê Mpa | Hêza Tensile Mpa | Dirêjbûn% | Brinell Hardness HB | Bandora APV J | |
| mm | in | |||||
| 79.4-171.4 | 3 1/8-6 3/4 | ≥758 | ≥965 | ≥13 | 285-341 | ≥54 |
| 177.8-279.4 | 7-11 | ≥689 | ≥930 | ≥13 | 285-341 | ≥54 |
NON-MAGNETÎK DRILL COLLA RPROPERTY
Ji pola alloyek zengarnegir ku bi permebûna magnetîkî ya pir kêm û beşên xaçê hatî çêkirin
ji boriya hundir û derve her du dor in
| OD | Hêza Berberdanê Mpa | Hêza Tensile Mpa | Dirêjbûn% | Brinell Hardness HB | Bandora APV J | |
| mm | in | |||||
| 79.4-171.4 | 3 1/8-6 3/4 | ≥758 | ≥827 | ≥18 | - | - |
| 177.6-279.4 | 7-11 | ≥689 | ≥758 | ≥20 | - | - |
