Shengji oil production subsurface 20/25-150th api cobalt alloy ball and valve seat for sucker rod pump
Shengji oil production subsurface 20/25-150th api cobalt alloy ball and valve seat for sucker rod pump
Product DescriptionShengji has 40 years’ experience in designing and manufacturing subsurface pump and participated in the draw up of the national standard of subsurface pump. Shengji also developed the unconventional pump suitable for heavy oil well , high gas-cut well and high sand-cut well. Shengji deep well pump has been exported to SHELL, CHEVRON, SCHLUMBERGER, GE, NOV, JOHNCRANE, CAMERON, KBM, etc. Annual production reaches 15,000 sets.
Specifications
1.Sucker rod size
| SN | Normal size in(mm) | Dia. of coated rod (mm) | Wrench section width (mm) | Wrench section Length (mm) | OD of Male thread step (mm) | Nipple neck length of ascension(mm) |
| 1 | 5/8(16) | 19 | 27 | 28 | 37 | 127 |
| 2 | 3/4(19) | 22 | 29 | 28 | 43 | 127 |
| 3 | 7/8(22) | 25 | 29 | 28 | 45 | 127 |
| 4 | 1(25) | 28 | 39 | 28 | 55 | 127 |
| 5 | 1 1/8(29) | 32 | 43 | 37 | 60 | 127 |
2.Coated Layer Performance
| SN | Item | Performance index | Execution Standard |
| 1 | Density/ g/cm3 | 1.1 | GB/T1033 |
| 2 | Vicat Softening Temperature / ℃ | ≥180 | GB/T1633 |
| 3 | Tensile Yield Strength/ MPa | ≥28 | GB/T8804.3 |
| 4 | Elongation at Break Rate/ % | ≥150 | GB/T8804.3 |
| 5 | Shore Hardness/ HD | ≥80 | GB/T2411 |
6 | Mortar wear rate/ mg/h | ≤3.5 | Appendix |
pump production
In 1964, our factory is established;
In 1995, we bought in the first tubing production line;
In 2007, our company is restuctured;
In 2015, we became the supplier for Schlumberger and Haliburton.
