- Drilling Rig[6]
- Mining Machinery Parts[6]
- Other Material Handling Equipment[1]
- Other Metal Processing Machinery[1]
- Other Machinery[6]
- Used General Mechanical Components[6]
- Pneumatic Parts[1]
- Other Mechanical Parts[4]
- General Mechanical Components Stock[1]
- General Trade Agents[1]
- Pumps[6]
- Hydraulic Parts[1]
- Steel Pipes[6]
- Other Industrial Filtration Equipment[2]
- Other Filter Supplies[1]
- Machinery Design Services[1]
- Lifting Sling[1]
- Seals[1]
- Other Energy Related Products[2]
- Other Power Transmission Parts[1]
- Metal Processing Machinery Parts[1]
- Hoists[1]
- Winches[1]
- Engines[1]
- Material Handling Equipment Parts[1]
- Valves[3]
- Tool Parts[1]
- Pneumatic Tools[1]
- Contact Person : Mr. liu Leo
- Company Name : Beijing Ocean Renda Petroleum Equipment Co., Ltd.
- Tel : 0086-10-84828168
- Fax : 0086-10-84828198
- Address : Beijing,Beijing,Room 803,7th Building Tianchang Yuan Olympic Media Village Beiyuan Road Chaoyang Distrcit Beijing
- Country/Region : China
- Zip : 100070
drill collar
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drill collars
No. | OD | ID | Length mm | DF mm | Bending intensity ratio | |||
mm | in | mm | in | |||||
NC23-31 | 79.4 | 3 1/8 | 31.8 | 1 1/4 | 9150 | 76.2 | 2.57:1 | |
NC26-35 | 88.9 | 3 1/2 | 38.1 | 1 1/2 | 9150 | 82.9 | 2.42:1 | |
NC31-41 | 104.8 | 4 1/8 | 50.8 | 2 | 9150 or 9450 | 100.4 | 2.43:1 | |
NC35-47 | 120.7 | 4 3/4 | 50.8 | 2 | 9150 or 9450 | 114.7 | 2.58:1 | |
NC38-50 | 127.0 | 5 | 57.2 | 2 1/4 | 9150 OR 9450 | 121.0 | 2.38:1 | |
NC44-60 | 152.4 | 6 | 57.2 | 2 1/4 | 9150 or 9450 | 144.5 | 2.49:1 | |
NC44-60 | 152.4 | 6 | 71.4 | 2 13/16 | 9150 or 9450 | 144.5 | 2.84:1 | |
NC44-62 | 158.8 | 6 1/4 | 57.2 | 2 1/4 | 9150 or 9450 | 149.2 | 2.91:1 | |
NC46-62 | 158.8 | 6 1/4 | 71.4 | 2 13/16 | 9150 or 9450 | 150.0 | 2.63:1 | |
NC46-65 | 165.1 | 6 1/2 | 57.2 | 2 1/4 | 9150 or 9450 | 154.8 | 2.76:1 | |
NC46-65 | 165.1 | 6 1/2 | 71.4 | 2 13/16 | 9150 or 9450 | 154.8 | 3.05:1 | |
NC46-67 | 171.4 | 6 3/4 | 57.2 | 2 1/4 | 9150 or 9450 | 159.5 | 3.18:1 | |
NC50-67 | 171.4 | 6 3/4 | 71.4 | 2 13/16 | 9150 or 9450 | 159.5 | 2.37:1 | |
NC50-70 | 177.8 | 7 | 57.2 | 2 1/4 | 9150 or 9450 | 164.7 | 2.54:1 | |
NC50-70 | 177.8 | 7 | 71.4 | 2 13/16 | 9150 or 9450 | 164.7 | 2.73:1 | |
NC50-72 | 184.2 | 7 1/4 | 71.4 | 2 13/16 | 9150 or 9450 | 169.5 | 3.12:1 | |
NC56-77 | 196.8 | 7 3/4 | 71.4 | 2 13/16 | 9150 or 9450 | 185.3 | 2.70:1 | |
NC56-80 | 203.2 | 8 | 71.4 | 2 13/16 | 9150 or 9450 | 190.1 | 3.02:1 | |
6 5/8REG | 209.6 | 8 1/4 | 71.4 | 2 13/16 | 9150 or 9450 | 195.7 | 2.93:1 | |
NC61-90 | 228.6 | 9 | 71.4 | 2 13/16 | 9150 or 9450 | 212.7 | 3.17:1 | |
7 5/8REG | 241.3 | 9 1/2 | 76.2 | 3 | 9150 or 9450 | 223.8 | 2.81:1 | |
NC70-97 | 247.6 | 9 3/4 | 76.2 | 3 | 9150 or 9450 | 232.6 | 2.57:1 | |
NC70-100 | 254.0 | 10 | 76.2 | 3 | 9150 or 9450 | 237.3 | 2.81:1 | |
8 5/8REG | 279.4 | 11 | 76.2 | 3 | 9150 or 9450 | 266.7 | 2.84:1 | |
drill collar
