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Drill collar specifications
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Nominal Size
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OD
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ID
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Length
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Bevel Dia. mm
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Bending Strength Ratio
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mm
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in
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mm
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in
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mm
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NC31-41(2-7/8IF)
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104.8
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4-1/8
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50.8
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2
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9150
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100.4
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2.43:1
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NC35-47
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120.7
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4-3/4
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50.8
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2
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9150
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114.7
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2.58:1
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NC38-50(3-1/2IF)
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127
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5
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57.2
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2-1/4
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9150
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121
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2.38:1
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NC44-60
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152.4
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6
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71.4
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2-13/16
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9150/9450
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144.5
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2.84:1
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NC44-62
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158.8
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6-1/4
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57.2
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2-1/4
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9150/9450
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149.2
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2.91:1
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NC46-62(4IF)
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158.8
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158.8
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71.4
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2-13/16
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9150/9450
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150
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2.63:1
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NC50-70(4-1/2IF)
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177.8
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7
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57.2
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2-1/4
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9150/9450
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164.7
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2.54:1
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NC56-77
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196.8
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7-3/4
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71.4
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2-13/16
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9150/9450
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185.3
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2.70:1
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6-5/8REG
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209.6
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8-1/4
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71.4
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2-13/16
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9150/9450
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195.7
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2.93:1
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NC61-90
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228.6
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9
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71.4
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2-13/16
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9150/9450
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212.7
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3.17:1
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We can supply full size drill collar with API 5D/5DP, Please leave a message for consultation.
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Drill pipe
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Size(in)
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OD of Pipe Body(mm)
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Wall Thickness of Pipe Bodymm
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2.3/8" to 6.5/8"
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60.32-168.28
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7.11-12.70
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