A brief introduction of Steel Drill Pipe

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A brief introduction of Steel Drill Pipe

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

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