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Follow on Google News | China Slick Drill Collar manufacturer with API 7-1 quality guaranteedDrill collar,Slick drill collar,china drill collar,drill collar Manufacturer
By: yes LUHAI Energy Co could provide slick drill collar, spiral drill collar, non-magnetic drill collar, flex non-magnetic drill collar with API certifications. Please send your specific requirements. Slick Drill Collar Specification: Technical Specifications and Parameters Drill Collar Number O.D. I.D. Length (mm) DF Bevel Diameter Ref bend Strength Ratio (mm) (in) (mm) (in) NC23-31 79.4 3 1/8 31.8 1 1/2 9150 76.2 2.57:1 NC26-35(2 3/8IF) 88.9 3 1/2 38.1 1 1/2 9150 84.5 2.42:1 NC31-41(2 7-8IF) 104.8 4 1/8 50.8 2 9150 101.6 2.43:1 NC35-47 120.6 4 3/4 50.8 2 9150 114.7 2.58:1 NC38-50(3 1/2IF) 127.0 5 57.2 2 1/4 9150 121.0 2.38:1 NC44-60 152.4 6 57.2 2 1/4 9150& NC44-60 152.4 6 71.4 2 13/16 9150& NC44-62 158.8 6 1/4 57.2 2 1/4 9150& NC46-62(4IF) NC46-65(4IF) NC46-65(4IF) NC-46-47(4IF) NC50-67(4 1/2IF) 171.4 6 3/4 71.4 2 13/16 9150& NC50-70(4 1/2IF) 177.8 7 57.2 2 1/4 9150& NC50-70(4 1/2IF) 177.8 7 71.4 2 13/16 9150& NC50-72(4 1/2IF) 184.2 7 1/4 71.4 2 13/16 9150& NC56-77 196.8 7 3/4 71.4 2 13/16 9150& NC56-80 203.2 8 71.4 2 13/16 9150& 6 5/8 REG 209.6 8 1/4 71.4 2 13/16 9150& NC61-90 228.6 9 71.4 2 13/16 9150& 7 5/8 REG 241.3 9 1/2 76.2 3 9150& NC70-97 247.6 9 3/4 76.2 3 9150& NC70-100 251 10 76.2 3 9150& 8 5/8 REG 279.4 11 76.2 3 9150& link:www.luhaienergy,com www.luhaienergy.ru http://www.luhaienergy.com/ End
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