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casing pipe for oil well drilling

1: Winding angle, 45°～65° (winding angle can be adjusted according to different requirements to achieve better mechanical properties);

2: Fiber content (weight ratio), 70% to 75%;

3: Density, 2.00g/cm3;

4: Water absorption, less than 0.03%;

5: Axial thermal expansion coefficient, 1.8E-05 1/K;

6: Glass transition temperature, 110～120℃;

7: Chemical resistance Mineral oil: excellent;

8: Solvent and dilute acid: excellent;

9: Tensile elastic modulus, axial 14000 MPa;

10: Tensile strength: 280 MPa in the axial direction; 600 MPa in the circumferential direction;

11: Shear strength: 150 MPa;

12: Bending strength: axial 350 MPa;

13: Compressive strength: axial 240 MPa;

14: Relative dielectric constant 2-3.2;

15: Dielectric loss factor 0.003-0.015;

16: Partial discharge ≤5;

17: Dielectric strength: axial 3～6kv/mm; radial 10～12kv/mm;

18: Lightning shock: 110KV;

19: Power frequency shock: 50KV;

20: Heat resistance class: B, F, H;

21: inner diameter > 5mm; outer diameter < 300mm; length < 2000mm.


The above data is only for reference, the casing parameters we produce are customized for each customer's needs!


Contact available at : 

Jacky Shen - Sales manager 

Email：jacky@zjhtxc.com



  • Description

Our Hetai company specializes in producing casing pipes for oil drilling, which are primarily used to support the wellbore, prevent collapse and leakage, and can also serve as a conduit and protect the oil layer during drilling. Our products are made of high-performance epoxy fiberglass.

The following are the features of our casing pipes:

1. High strength: made of high-performance epoxy fiberglass, the casing has excellent bearing and tensile properties.

2. Corrosion resistance: the casing can resist the erosion of corrosive substances such as acids and alkalis, ensuring durability and longevity of the product.

3. Stability: strict quality control and inspection ensure the stable physical and chemical properties of the casing, meeting international standards.

4. Excellent design: the size and structure of the casing are adjusted according to different drilling environments and reservoir conditions to ensure optimal performance during drilling operations.


Our high-performance casing pipes are suitable for various oil and gas exploration and production operations. We can provide casing pipes of different specifications and sizes according to customer requirements, as well as corresponding technical support and services to meet customer needs.


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