Semi-finished Drill Collar 4145H Steel For Oil & Gas Drilling BHA Component

Product Description:

Our semi-finished drill collar (drill collar blank) is forged from premium 4145H alloy steel, manufactured in compliance with API Spec 7-1 standard. It is unthreaded, without finished connection threads, reserved for custom thread machining according to your requirements. Widely used for oil & gas well drilling BHA assembly to provide weight on bit, stabilize drill string and reduce vibration. Strict heat treatment, UT & MT non-destructive testing available. Custom OD, ID and length are acceptable. Suitable for rotary drilling, directional drilling, vertical well operations. Stable mechanical property, high tensile strength and impact resistance.

FAQ:

1. How can I get the quotation?

Please send your machine brand, model, part number,quantity,specification to us

2.How is the shipping?

Air, sea, and train shipping are acceptable.

3.What is the warranty period?

We provide 1-year warranty for this product.

4. How is the packaging?

Our packaging all meets strict export packaging requirements.

5. What is the after-sales service?

We provide online service and have a professional technical team