DeRun Energy Co could provide slick drill collar, spiral drill collar, non-magnetic drill collar, flex non-magnetic drill collar with API certifications. Please send your specific requirements.
Technical Specifications and Parameters | ||||
O.D. | Cutting depth | Lead ±25.4 | ||
(mm) | (in) | A(mm) | B(mm) | (mm) |
86 | 3 3/8 | 3.5±0.79 | 679 | |
98.4 | 3 7/8 | 4.0±0.79 | 914 | |
101.6～111.1 | 4～4 1/8 | 4.8±0.79 | 914 | |
114.3～130.2 | 4 1/2～5 1/8 | 5.6±0.79 | 965 | |
133.4～146.1 | 5 1/4～5 3/4 | 6.4±0.79 | 1067 | |
149.2～161.9 | 5 7/8～6 3/8 | 7.1±1.59 | 1067 | |
165.1～177.8 | 6 1/2～7 | 7.9±1.59 | 1168 | |
181.0～200.0 | 7 1/8～7 7/8 | 8.7±1.59 | 5.6±0.79 | 1626 |
203.2～225.4 | 8～8 7/8 | 9.5±1.59 | 6.4±0.79 | 1727 |
228.6～250.8 | 9～9 7/8 | 10.3±2.37 | 7.1±1.59 | 1829 |
254.0～276.2 | 10～10 7/8 | 11.1±2.37 | 7.9±1.59 | 1930 |
279.4 | 11 | 11.9±2.37 | 8.7±1.59 | 2032 |
