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Help CenterAPI Sucker Rod, Polished Rod, Pony Rod at China Factory Competitive Price
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API Sucker Rod, Polished Rod, Pony Rod at China factory competitive price
1) Material: Carbon steel, Alloy Steel
2) Grade: C, D, K, KD, HL, HY
3) Standard: API 11B
4) API and ISO certified
5) Size: 5/8'', 3/4'', 7/8'', 1'', 1 1/8''.
6) Description
The sucker rod is a steel rod that used to transfer the movement and power of pumping unit to the downhole pump.
Polished rods are designed for connecting sucker rod strings to beam pumping units via polished rod packing. The rods are round cross-section bars.
Pony rods are sucker rods shorter than 25 ft, and they vary in length. They are most commonly placed adjacent to the polished rod at the top of the rod string, on top of the downhole pump for handling purposes, and on top of the polished rod with appropriate couplings to prevent the string from falling downhole if the polished-rod clamp slips.
7) Features
a. Grade C sucker rod is made from fine carbon steel. It is featured by mid-strength, good plasticity, toughness, corrosion resistance. It is suitable for sour medium environment where it is not susceptible to sulphuric stress cracking.
b. Grade D sucker rod is made from fine alloy steel, featured by high strength, better plasticity and long service life after heat
treatment. This product is suitable for no-corrosion or light-corrosion environment oil-well widely.
c. Grade HL and HY sucker rods are super-high strength sucker rod, having the same size and main parameter as grade D sucker rod, but their strength is capable to reach 966~1195Mpa. Grade HL, HY sucker rods are suitable for the deep oil-well or big-pump capacity oil-well.
d. And grade K, KD and KH sucker rod are made from fine Cr-Ni-Mo alloy steel containing different amount of Ni. They possess more powerful anti-corrosion function. The products are suitable for strong corrosion oil-well, with depth of shallow, middle and deep respectively.
8) Advantage
a. Energy saving through pumping with a lighter string with no compromise in production;
b. Higher fluid production with existing pumping unit;
c. Reduction in the size of pumping unit with no reduction in production;
d. Increase pumps speed for additional production;
e. Extended service life and cost saving.
9) Parameter
| SIZE |
ROD D. |
THREAD D. |
LENGTH |
Outside D. of Pin Shoulder |
Length of Pin | Length of Wrench Square | Width of Wrench Square |
| (in) | (in) | (in) | (ft) | (mm) | (mm) | (mm) | (mm) |
| 5/8'' | 5/8'' | 15/16 | 2 | 31.75 | 31.75 | ≥31.75 | 22.23 |
| 3/4'' | 3/4'' | 1-1/16 | 8 | 38.1 | 36.51 | ≥31.75 | 25.4 |
| 7/8'' | 7/8'' | 1-3/16 | 10 | 41.28 | 41.28 | ≥31.75 | 25.4 |
| 1'' | 1'' | 1-3/8 | 25 | 50.8 | 47.63 | ≥38.10 | 33.34 |
| 1-1/8'' | 1-1/8'' | 1-9/16 | 30 | 57.15 | 53.98 | ≥41.28 | 38.1 |
10) Performance
| Grade | Tensile Strength | Yield Strength | Percentage Elongation | Contraction Percentage of Area |
| Rel(Mpa) | Rm(Mpa) | A(%) | Z(%) | |
| C | 620-795 | ≥415 | ≥13 | ≥50 |
| K | 620-795 | ≥415 | ≥13 | ≥60 |
| D | 795-965 | ≥590 | ≥10 | ≥50 |
| KD | 795-965 | ≥590 | ≥10 | ≥50 |
| HL | 965-1195 | ≥795 | ≥10 | ≥45 |
| HY | 965-1195 | ----- | ----- | ----- |
Puyang Zhongshi Group Co., Ltd is a professional manufacturer of various oilfield equipments and cementing accessories since 1997, restructured enterprise of SINOPEC.
We have the certificates of API 5CT, API 10D, API 11E, API 6A, API 11AX, ISO 9001 and ISO 14001, etc..
Our products mainly include:
1. Casing Centralizer 2. Float Collar & Float Shoe
3. Cementing Plug 4. Cementing Head
5. Cement Basket 6. Tubing Pump / Rod Pump
7. Valve Ball & seat 8. Casing / Tubing Pipe and Coupling
9. Stage Collar 10. Pumping Unit
11. Air Blaster 12. Sucker Rod
Our group have more than 10 years export experience and 9 subsidiary factories, more than 500 employees. We are the first-class supplier of resources market of SINOPEC and CNPC. Our foreign customers are mainly from America, Central Asia, Russia, Southeast Asia, Middle East, etc.
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