Lifting Sub Type TSDJ
Lifting Sub is made of high-strength alloy constructional steel and processed by heat treatment. Its mechanical properties can meet the requirement of the drill collar; the Sub connections are up to standard. According to the shape of the up shoulder, the structure includes sloping shoulder and straight shoulder, which can be selected by customs.
Specifications
| Normal size mm (in) | Inside diameter mm(in) | Connection | Outside diameter of drill rod
mm (in) |
Outside diameter of slip ending
mm(in) |
| 73(2-7/8) | 31.8(1 1/4) | NC23 | 78.4(3-1/8) | 111.1(4-3/8) |
| 44.5(1 3/4) | NC26 | 88.9(3-1/2) | ||
| 88.9(3-1/2) | 54.0(2 1/8) | NC31 | 104.8(4-1/8) | 127.0(5) |
| 50.8(2) | NC35 | 120.7(4-3/4) | ||
| 68.3(2 5/8) | NC38 | 127(5) | ||
| 127(5) | 71.4(2 13/16) | NC44 | 152.4(6) | 168.3(6-5/8) |
| 71.4(2 13/16) | NC44 | 158.8(6-1/4) | ||
| 82.6(3 1/4) | NC46 | 165.1(6-1/2) | ||
| 82.6(3 1/4) | NC46 | 171.5(6-3/4) | ||
| 95.3(3 3/4) | NC50 | 177.8(7) | ||
| NC50 | 184.2(7-1/4) | |||
| NC56 | 196.8(7-3/4) | |||
| 127(5) | 95.3(3 3/4) | NC56 | 203.2(8) | 168.3(6-5/8) |
| 6 5/8REG | 209.6(8-1/4) | |||
| 95.3(3 3/4) | NC61 | 228.6(9) | ||
| 7 5/8REG | 241.3(9-1/2) | |||
| NC70 | 247.7(9-3/4) | |||
| NC70 | 254.0(10) | |||
| NC77 | 279.4(11) |