Description
Kelly
Our company may act according to the user the request to produce Kelly and hexagonal Kelly, the length usually is 12.19 meters, uses AISI 4145H alloy structural steel manufacturing, and carries on the quenching and tempering treatment in the full length scope. The technique of production and the technical standard are completely in accordance with API, after heat treatment, apart from surface inch under to sampling under the room temperature to test its Brinell hardness to be possible to achieve reaches 285-341, minimum Charpy impact value is 54J.
| STANDARD SIZE FOR SQUARE KELLY | ||||||||||
| Size (in) | Length (ft) Top upset joint | Bottom upset | Bore | Drive Section | Weight | |||||
| A | B | LH | OD C (in) | RH | OD (in) | E (in) | F (in) | G (in) | (Ib) | |
| 2 1/2 | 40 | 37 | 6 5/8″ Reg | 7 3/4 | 2 3/8 IF | 3 3/8 | 1 1/4 | 3 1/4 | 2 1/2 | 902 |
| 46 | 43 | 6 5/8″ Reg | 7 3/4 | 2 3/8 IF | 3 3/8 | 1 1/4 | 3 1/4 | 2 1/2 | 1023 | |
| 3 | 40 | 37 | 6 5/8″ Reg | Apr-73 | 2 7/8IF | 4 1/8 | 1 3/4 | 3 7/8 | 3 | 1089 |
| 46 | 43 | 6 5/8″ Reg | 7 3/4 | 2 7/8IF | 4 1/8 | 1 3/4 | 3 7/8 | 3 | 1232 | |
| 3 1/2 | 40 | 37 | 6 5/8″ Reg | 7 3/4 | 3 1/21F | 4 3/4 | 2 1/4 | 4Â 7/16 | 3 1/2 | 1320 |
| 46 | 43 | 6 5/8″ Reg | 7 3/4 | 3 1/21F | 4 3/4 | 2 1/4 | 4Â 7/16 | 3 1/2 | 1474 | |
| 54 | 51 | 6 5/8″ Reg | 7 3/4 | 3 1/21F | 4 3/4 | 2 1/4 | 4Â 7/16 | 3 1/2 | 1716 | |
| 4 1/4 | 40 | 37 | 6 5/8″ Reg | 7 3/4 | 4 IF | 6 | 2 13/16 | 5 1/2 | 4 1/4 | 1815 |
| 46 | 43 | 6 5/8″ Reg | 7 3/4 | 4 IF | 6 | 2 13/16 | 5 1/2 | 4 1/4 | 2068 | |
| 54 | 51 | 6 5/8″ Reg | 7 3/4 | 4 IF | 6 | 2 13/16 | 5 1/2 | 4 1/4 | 2354 | |
| 5 1/4 | 40 | 37 | 6 5/8″ Reg | 7 3/4 | NC50 | 7 | 3 1/4 | 6 7/8 | 5 1/4 | 2750 |
| 46 | 43 | 6 5/8″ Reg | 7 3/4 | NC50 | 7 | 3 1/4 | 6 7/8 | 5 1/4 | 3146 | |
| 54 | 51 | 6 5/8″ Reg | 7 3/4 | NC50 | 7 | 3 1/4 | 6 7/8 | 5 1/4 | 3674 | |
| 6 | 40 | 37 | 6 5/8″ Reg | 7 3/4 | 6 5/8 FH | 8 | 3 1/2 | 7 5/8 | 6 | 3674 |
| 46 | 43 | 6 5/8″ Reg | 7 3/4 | 6 5/8 FH | 8 | 3 1/2 | 7 5/8 6 | 6 | 4224 | |
| 54 | 51 | 6 5/8″ Reg | 7 3/4 | 6 5/8 FH | 8 | 3 1/2 | 7 5/8 | 6 | 4950 | |
| STANDARD SIZE FOR HEX KELLY | ||||||||||
| Size | Length (ft) | Top upset joint | Bottom upset | Bore | Drive Section | Weight | ||||
| (in) | A | B | LH | OD C (in) | RH | OD (in) | E (in) | F (in) | G (in) | (lb) |
| 3 | 40 | 37 | 6 5/8″ Reg | 7 3/4 | 2 3/8IF | 3 3/8 | 1 1/2 | 3 3/8 | 3 | 990 |
| 46 | 43 | 6 5/8″ Reg | 7 3/4 | 2 3/8IF | 3 3/8 | 1 1/2 | 3 3/8 | 3 | 1100 | |
| 3 1/2 | 40 | 37 | 6 5/8″ Reg | 7 3/4 | 2 7/8IF | 4 1/8 | 1 3/4 | 4 15/16 | 3 1/2 | 1276 |
| 46 | 43 | 6 5/8″ Reg | 7 3/4 | 2 7/8IF | 4 1/8 | 1 3/4 | 4 15/16 | 3 1/2 | 1474 | |
| 54 | 51 | 6 5/8″ Reg | 7 3/4 | 2 7/8IF | 4 1/8 | 1 3/4 | 4 15/16 | 3 1/2 | 1716 | |
| 4 1/4 | 40 | 37 | 6 5/8″ Reg | 7 3/4 | 3 1/21F | 4 3/4 | 2 1/4 | 4 25/32 | 4 1/4 | 1650 |
| 46 | 43 | 6 5/8″ Reg | 7 3/4 | 3 1/21F | 4 3/4 | 2 1/4 | 4 25/32 | 4 1/4 | 1848 | |
| 54 | 51 | 6 5/8″ Reg | 7 3/4 | 3 1/21F | 4 3/4 | 2 1/4 | 4 25/32 | 4 1/4 | 2156 | |
| 5 1/4 | 40 | 37 | 6 5/8″ Reg | 7 3/4 | 4 IF | 6 | 213/16 | 5 29/32 | 5 1/4 | 2244 |
| 46 | 43 | 6 5/8″ Reg | 7 3/4 | 4 IF | 6 | 2 13/16 | 5 29/32 | 5 1/4 | 2574 | |
| 54 | 51 | 6 5/8″ Reg | 7 3/4 | 4 IF | 6 | 2 13/16 | 5 29/32 | 5 1/4 | 2970 | |
| 6 | 40 | 37 | 6 5/8″ Reg | 7 3/4 | 4 1/2IF | 7 | 3 1/2 | 6 13/16 | 6 | 2904 |
| 46 | 43 | 6 5/8″ Reg | 7 3/4 | 4 1/2IF | 7 | 3 1/2 | 6 13/16 | 6 | 3300 | |
| 54 | 51 | 6 5/8″ Reg | 7 3/4 | 4 1/21F | 7 | 3 1/2 | 6 13/16 | 6 | 3894 | |
| KELLY COCK | ||||||||||
| OD: 4 3/4, 5 5/16, 6 5/8, 7, 7 1/4, 7 3/4, 8 inch. The body is made of a single piece of forged AISI 4145 H modified alloy steel, full treated to 285-341 Brinell Hardness and 40 ft-lb | ||||||||||