Derun non-magnetic drill collar
| Min. Order: | 1 Piece/Pieces |
|---|---|
| Trade Term: | FOB,CFR,CIF,EXW |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 5000Tons |
| Place of Origin: | Beijing |
Company Profile
| Location: | Beijing, China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
Product Detail
| Means of Transport: | Ocean, Air |
|---|---|
| Production Capacity: | 5000Tons |
| Packing: | Bulk |
| Delivery Date: | 20days |
Product Description
Derun non-magnetic drill collars are made from non-magnetic materials with low-magnetic permeability.
API monogram, serial number, OD, ID, type and size of connections are stamped on recessed mill flats.
OD | ID | Length mm | Bevel Diameter mm | Connection | Bending Strength Ratio | ||
in | mm | in | mm | ||||
3-1/8 | 79.4 | 1-1/4 | 31.8 | 9150 | 76.2 | NC23-31 | 2.57: 1 |
3-1/2 | 88.9 | 1-1/2 | 38.1 | 9150 | 82.9 | NC26-35 | 2.42 :1 |
4-1/8 | 104.8 | 2 | 50.8 | 9150 | 100.4 | NC31-41 | 2.43 :1 |
4-3/4 | 120.7 | 2 | 50.8 | 9150 | 114.7 | NC35-47 | 2.58 :1 |
5 | 127 | 2-1/4 | 57.2 | 9150 | 121.0 | NC38-50 | 2.38:1 |
6 | 152.4 | 2-1/4 | 57.2 | 9150 or 9450 | 144.5 | NC44-60 | 2.49:1 |
6 | 152.4 | 2-13/16 | 71.4 | 9150 or9450 | 144.5 | NC44-60 | 2.84:1 |
6-1/4 | 158.8 | 2-1/4 | 57.2 | 9150 or 9450 | 149.2 | NC44-62 | 2.91:1 |
6-1/4 | 158.8 | 2-13/16 | 71.4 | 9150 or 9450 | 150.0 | NC46-62 ( 4IF ) | 2.63:1 |
6-1/2 | 165.1 | 2-1/4 | 57.2 | 9150 or 9450 | 154.8 | NC46-65 ( 4IF) | 2.76:1 |
6-1/2 | 165.1 | 2-13/16 | 71.4 | 9150 or 9450 | 154.8 | NC46-65 ( 4IF ) | 3.05:1 |
6-3/4 | 171.4 | 2-1/4 | 57.2 | 9150 or 9450 | 159.5 | NC46-67 ( 4IF ) | 3.18:1 |
6-3/4 | 171.4 | 2-13/16 | 71.4 | 9150 or 9450 | 159.5 | NC50-67( 41/2IF ) | 2.37:1 |
7 | 177.8 | 2-1/4 | 57.2 | 9150 or 9450 | 164.7 | NC50-70 ( 41/2IF ) | 2.54 :1 |
7 | 177.8 | 2-13/16 | 71.4 | 9150 or 9450 | 164.7 | NC50-70( 41/2IF ) | 2.73 :1 |
7-1/4 | 184.2 | 2-13/16 | 71.4 | 9150 or 9450 | 169.5 | NC50-72 ( 41/2IF ) | 3.12 :1 |
7-3/4 | 196.8 | 2-13/16 | 71.4 | 9150 or 9450 | 185.3 | NC56-77 | 2.70 :1 |
8 | 203.2 | 2-13/16 | 71.4 | 9150 or 9450 | 190.1 | NC56-80 | 3.02 :1 |
8-1/4 | 209.6 | 2-13/16 | 71.4 | 9150 or 9450 | 195.7 | 65/8REG | 2.93: 1 |
9 | 228.6 | 2-13/16 | 71.4 | 9150 or 9450 | 212.7 | NC61-90 | 3.17 :1 |
9-1/2 | 241.3 | 3 | 76.2 | 9150 or 9450 | 223.8 | 75/8REG | 2.81 :1 |
9-3/4 | 247.6 | 3 | 76.2 | 9150 or 9450 | 232.6 | NC70-97 | 2.57 :1 |
10 | 254 | 3 | 76.2 | 9150 or 9450 | 237.3 | NC70-100 | 2.81: 1 |
11 | 279.4 | 3 | 76.2 | 9150 or 9450 | 266.7 | 85/8REG | 2.84 :1 |
