To expand the temperature range of the liner tube, our company has upgraded and developed POK high-temperature modified materials, with a Vicat softening temperature above 200°C and a long-term service temperature of up to 120°C. This effectively solves the problems of material hydrolysis, severe wear, and corrosion of the oil pipe under high temperatures, while reducing scaling and slowing down wax deposition. It is suitable for use in ultra-deep wells, high-temperature wells, wells with high acidity and alkalinity, and wells with high mineralization.
POK high-temperature resistant liner oil pipe
Product Introduction
Product Parameters
|
Serial Number |
Indicator Type |
Project |
Technical indicators |
Test Method |
|
1 |
Normal temperature performance |
Density, g/cm³ |
1.20-1.30 |
GB/T1033.1 |
|
2 |
Shore hardness |
≥ 75HD |
GB/T2411 |
|
|
3 |
Vicat softening temperature (A50), ℃ |
≥ 195 |
GB/T1633 |
|
|
4 |
Notched impact strength of simply supported beam, kJ/m2 |
≥ 20 |
GB/T1043.1 |
|
|
5 |
Tensile elongation at break, % |
≥ 200 |
GB/T8804.3 |
|
|
6 |
Tensile Break Yield Strength, MPa |
≥ 45 |
GB/T8804.3 |
|
|
7 |
Longitudinal retraction rate |
≤ 3% Keep the original appearance of the pipe |
GB/T6671 |
|
|
8 |
Elongation at break |
≥ 160% |
GB/T8804.3 |
|
|
9 |
Aging performance(Oil bath① 6d, 120℃) |
Change rate of tensile elongation at break, % |
≤ 15% |
Q/0500SDR001-2018 |
|
10 |
Tensile Break Yield Strength, MPa |
≤ 15% |
||
|
11 |
Mortar wear, × 10mm-3 |
≤ 100 |
Q/0500SDR001-2018 |
|
|
①: The test oil bath temperature is the highest use temperature of the liner. |
||||
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