Oil Well Drill Pipe S135 3-1/2 Inch

2) oil well drill pipe（S135 3-1/2 inch）

We are the oil well drill pipe manufacturer, and the oil well drill pipe specs we can supplied as follows:

oil well drill pipe Standard: API SPEC 5D, API SPEC 7

oil well drill pipe Uses: For well Drilling

oil well drill pipe Grade: S135

oil well drill pipeSize OD: 3-1/2 inch , WT: 7.11mm - 10.54mm

oil well drill pipe hard binding: ARNCO100 / BOTN1000, ARNCO300 / BOTN3000