Alloy Steel Oil Well Drilling Tools Crossover Sub For Drill Pipe Drill Collar And Kelly
Brand Name:TIPTOP
Certification:MTC
Model Number:Crossover Sub
Minimum Order Quantity:10 pcs
Delivery Time:10-50 days
Payment Terms:T/T, L/C, D/A, D/P
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City window,Jinye Road,High Tech Zone, Xi'an, China
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Oil Well Drilling Tools Crossover Sub for Drill Pipe, Drill Collar and Kelly
Crossover sub is mainly used to connect upper and lower drill tools
in different connectors in drilling operations. Also it can be used
to protect other tooling in drill stem (called saver sub) or be
used to deliver outgoing air to the bit face just above the bit
(called bit sub).
The length of crossover subs is generally measured from shoulder to
shoulder. Typical lengths range from 6" - 28" long going up in
increments of 2 inches with AISI 4145H, AISI 4145H Mod, AISI 4340,
AISI 4140-4142 and Non-magnetic material. All connections are
phosphate-coated or copper plated to improve resistance to
corrosion. Crossover subs come in three basic types: A Pin (male) *
Box (female); B Pin (male) * Pin (male); C Box (female) * Box
(female)
Crossover Sub for Drill Pipe
| Nominal size | OD (mm) | Chamfer diameter (mm) | ID (mm) | Thread |
| 60.3 | 85.7 | 83 | 44.5 | NC26 (2 3/8 IF) |
| 70.3 | 104.8 | 100.4 | 54 | NC31 (2 7/8IF) |
| 50.8 | ||||
| 111.1 | 41.3 | |||
| 88.9 | 120.7 | 116.3 | 68.3 | NC38 (3 1/2IF) |
| 65.1 | ||||
| 61.9 | ||||
| 54 | ||||
| 101.6 | 152.4 | 145 | 82.6 | NC46 (4IF) |
| 76.2 | ||||
| 114.3 | 161.9 | 150.4 | 95.3 | NC50 (4 1/2IF) |
| 88.9 | ||||
| 92.1 | ||||
| 168.3 | 76.2 | |||
| 120.7 | 161.9 | 150.4 | 95.3 | |
| 88.9 | ||||
| 165.1 | 82.6 | |||
| 76.2 | ||||
| 168.3 | 69.9 | |||
| 139.7 | 177.8 | 170.7 | 101.6 | 5 1/2FH |
| 95.3 | ||||
| 184.2 | 88.9 | |||
| 190.5 | 180.4 | 76.2 |
Crossover Sub for Drill Collar
| Nominal Size (mm) | Chamfer diameter (mm) | ID (mm) | Thread |
| 79.4 | 76.2 | 31.8 | NC23 |
| 88.9 | 82.9 | 38.1 | NC26 (2 3/8IF) |
| 104.8 | 100.4 | 50.8 | NC31 (2 7/8IF) |
| 120.7 | 114.7 | NC35 | |
| 120.7 | 121 | 57.2 | NC38 (3 1/2IF) |
| 152.4 | 144.5 | 71.4 | NC44 |
| 158.8 | 149.2 | 57.2 | |
| 150 | 71.4 | NC46 (4IF) | |
| 165.1 | 154.8 | 57.2 | |
| 71.4 | |||
| 171.4 | 159.5 | 57.2 | |
| 177.8 | 164.7 | 71.4 | NC50 (4 1/2IF) |
| 184.2 | 169.5 | ||
| 196.8 | 185.3 | ||
| NC56 | |||
| 6 5/8REG | |||
| 203.2 | 190.1 | NC56 | |
| 6 5/8REG | |||
| 209.6 | 195.7 | ||
| 228.6 | 212.7 | NC61 | |
| 241.3 | 223.8 | 76.2 | 7 5/8REG |
Crossover Sub for Connecting with Kelly and Swivel
| The upper and lower end of Kelly tap | The lower end of Kelly tap | ID (mm) | Kelly tap type | Kelly tap Specifications | |||||||
| OD (mm) | Chamfer diameter (mm) | Thread | OD (mm) | Chamfer diameter (mm) | Thread | ||||||
| Standard | Optional | Standard | Optional | Standard | Optional | ||||||
| 196.8 | 146 | 186.1 | 134.5 | 6 5/8 REG | 4 1/2 REG | 85.7 | 82.9 | NC26 (2-3/8IF) | 31.8 | Square Kelly tap | 2 1/2 |
| 104.8 | 100.4 | NC31 (2-7/8IF) | 44.4 | 3 1/2 | |||||||
| 120.6 | 116.3 | NC38 (3-1/2IF) | 57.2 | 3 1/2 | |||||||
| 158.8 | 145.3 | NC46 (4IF) | 71.4 | 4 1/2 | |||||||
| 161.9 | 150.4 | NC50 (4-1/2IF) | |||||||||
| 177.8 | 170.7 | 5-1/2FH | 82.6 | 5 1/2 | |||||||
| 171 | NC56 | ||||||||||
| 196.8 | 146 | 186.1 | 134.5 | 6 5/8 REG | 4 1/2 REG | 85.7 | 82.9 | NC26 (2-3/8IF) | 38.1 | Hexagonal Kelly tap | 3 |
| 104.8 | 100.4 | NC31 (2-7/8IF) | 44.4 | 3 1/2 | |||||||
| 120.6 | 116.3 | NC38 (3-1/2IF) | 57.2 | 4 1/4 | |||||||
| 158.8 | 145.3 | NC46 (4IF) | 76.2 | 5 1/4 | |||||||
| 161.9 | 150.4 | NC50 (4-1/2IF) | 82.6 | ||||||||
| 177.8 | 170.7 | 5-1/2FH | 88.9 | 5 | |||||||
| 171 | NC56 | ||||||||||
Alloy Steel Oil Well Drilling Tools Crossover Sub For Drill Pipe Drill Collar And Kelly
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