Hot Selling! API Standard New Casing Wear Sub
Hot selling! API standard new casing wear sub
This product can be connected to the drill pipe to form a brace to avoid drill pipe connection wearing casing as well as reduce torque to protect the drill pipe. It can work in high-angle deviated directional well, horizontal well, conventional directional well, deep well and lateral well according to reality.
When ordering, please specify:
1.Size and type;
2.Please specify special requirements if needed
Product specifications and technical parameter
| Specification | 3-1/2" | 5" | 5-1/2" | 5-1/2" |
| O.D | 146mm | 190mm | 212mm | 270mm |
| For casing size | 7" | 9-5/8" | 10-3/4" | 13-3/8" |
| Connection | 3-1/2IF | 4-1/2IF | 5-1/2IF | 5-1/2IF |
| Circulating opening diameter | 62mm | 78mm | 91.5mm | 91.5mm |
| working length | 900mm | 900mm | 900mm | 900mm |
| Service life | 1000h | 1000h | 1000h | 1000h |
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