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Views: 6 Author: Site Editor Publish Time: 2021-02-19 Origin: Site
Drill pipe is used to transmit power by rotary motion from ground level to a drilling bit at the bottom of the hole and to convey flushing media to the cutting face of the tool. Thus it plays a vital part in the successful drilling of oil and gas wells.
1.Grades and Lengths of Steel Drill Pipe
Range 1 18 ft to 22 ft
Range 2 27 ft to 3 0ft
Range 3 38 ft to 45 ft
2.Mechanical Properties of Steel Drill Pipe
Mechanical Properties API Steel Drill Pipe Grade | E-75 | X-95 | G-105 | S-135 |
Yield Strength (minimum psi) | 75,000 | 95,000 | 105,000 | 135,000 |
Yield Strength (maximum psi) | 105,000 | 125,000 | 135,000 | 165,000 |
Tensile Strength (minimum psi) | 100,000 | 105,000 | 115,000 | 145,000 |
