API 11B 5/8'' 3/4'' 7/8'' 1'' fiberglass sucker rods
API 11B 5/8'' 3/4'' 7/8'' 1'' fiberglass sucker rods
The sucker rod is used to make up the mechanical assembly between the surface and downhole components of a rod pumping system. The producr confirms to API specification 11B.
Feature
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"
Discription
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.
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.
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 |
Technical Parameters of popular size (Polished Rod)
| Product | D, H, K, KD, HY, HL (Polished Rod) | ||||
| Diameter mm (inch) | 16 (5/8) | 19 (3/4) | 22 (7/8) | 25 (1) | 28 (1 1/8) |
| Length ± 51mm | 7620 (25') | 7620(25') | 7620 (25') | 7620 (25') | 7620 (25') |
| 8000 (26') | 8000 (26') | 8000 (26') | 8000 (26') | 8000 (26') | |
| 9140 (30') | 9140 (30') | 9140 (30') | 9140 (30') | 9140 (30') | |
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 | ----- | ----- | ----- |
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