Technique Seamless Place of Origin China Specification 139.7mm*9.17 Grade K55 Outer Diameter 139.7mm Length R3 Thickness 9.17mm Usage Oilwell drilling 139.7mm*9.17mm K55 LTC, STC, BTC casing 139.7mm*9.17mm K55 LTC, STC, BTC
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Technique Seamless Place of Origin China Specification 139.7mm*9.17 Grade K55 Outer Diameter 139.7mm Length R3 Thickness 9.17mm Usage Oilwell drilling 139.7mm*9.17mm K55 LTC, STC, BTC casing 139.7mm*9.17mm K55 LTC, STC, BTC