1. Product details:
1).Grades:J55, K55, N80, L80 
2).OD: from 2-3/8" - 13-3/8" 
3).WT: from4.83mm to 13.06mm 
4).Length range: R3

2. Abstract:
An oil well is a general term for any boring through the earth's surface that is designed to find and acquire petroleum oil hydrocarbons. Usually some natural gas is produced along with the oil. A well that is designed to produce mainly or only gas may be termed a gas well.

3. Features:
Material: ss304, 316,316L
Grade: API J55, API K55, API N80, API L80, API P110
Function: anti-sand
Brand name: Dingo
Outer diameter: 1-20in
Thickness: 2.87-16.13mm
High quality and best price

4. Application:
Steel pipes for use as casing or tubing for wells