Working O.D. | Fising O.D. | Up Conn. | Down Conn. | I.D. | Fishing Length | OAL | Remark |
inch(mm) | inch(mm) | API | API | inch(mm) | inch(mm) | inch(mm) | |
28 | 9-1/2 | 7-5/8REG | 7-5/8REG | 3 | 27 | 78 | Near Bit |
(711.2) | (241.3) | (76.2) | (686.0) | (1981.0) | String | ||
26 | 9-1/2 | 7-5/8REG | 7-5/8REG | 3 | 26 | 76 | Near Bit |
(660.4) | (241.3) | (76.2) | (660.0) | (1930.0) | String | ||
22 | 9-1/2 | 7-5/8REG | 7-5/8REG | 3 | 26 | 76 | Near Bit |
(558.8) | (241.3) | (76.2) | (660.0) | (1930.0) | String | ||
17-1/2 | 9 | 7-5/8REG | 7-5/8REG | 3 | 27 | 67 | Near Bit |
(444.5) | (228.6) | (76.2) | (686.0) | (1702.0) | String | ||
12-1/4 | 8 | 6-5/8REG | 6-5/8REG | 2-13/16 | 24 | 61 | Near Bit |
(311.1) | (203.2) | (71.4) | (610.0) | (1600.0) | String | ||
8-1/2 | 6-1/2 | NC50 | 4-1/2REG | 2-13/16 | 27 | 66 | Near Bit |
(215.9) | (165.1) | NC50 | (71.4) | (686.0) | (1676.0) | String | |
6 | 4-3/4 | NC38 | 3-1/2REG | 2 | 27 | 58 | Near Bit |
(152.4) | (120.7) | NC38 | (50.8) | (686.0) | (1473.0) | String | |
5-7/8 | 4-3/4 | NC38 | 3-1/2REG | 2 | 22 | 54 | Near Bit |
(142.9) | (120.7) | NC38 | (50.8) | (559.0) | (1372.0) | String | |
When ordering or requesting quotation, if size out of above specification, pls. specify clearly. |