OVERBURDEN DRILLING SYSTEMS
TRB SYSTEMS
OVERBURDEN DRILLING SYSTEMS
TRB SYSTEMS
TRB SYSTEMS
TRB overburden drilling systems are designed for economic cost of drilling in simultaneous casing advancement.
The wings are retracted by reverse rotation.
TRB SYSTEMS Specification
| Model | Casing Size | Bit Diameter | No. of Wings | Applicable Hammer | ||||||||
| OD | ID | T | OD | ID | T | Exp | Ret | Exp | Ret | |||
| MM | INCH | MM | INCH | |||||||||
| TRB90 | 114.3 | 102.8 | 5.8 | 4.50 | 4.05 | 0.23 | 126.3 | 90.8 | 4.97 | 3.57 | 2 | TG35 |
| TRB115 | 140.0 | 126.5 | 6.8 | 5.51 | 4.98 | 0.27 | 152.0 | 111.5 | 5.98 | 4.39 | 2 | TG40 |
| TRB130 | 152.0 | 132.0 | 10.0 | 5.98 | 5.20 | 0.39 | 164.0 | 115.0 | 6.46 | 4.53 | 2 | TG40 |
| TRB140 | 168.0 | 150.0 | 9.0 | 6.61 | 5.91 | 0.35 | 182.0 | 133.0 | 7.17 | 5.24 | 2 | TG50 |
| TRB150 | 178.0 | 158.0 | 10.0 | 7.01 | 6.22 | 0.39 | 192.0 | 141.0 | 7.56 | 5.55 | 2 | TG50/TG60 |
| TRB165 | 194.0 | 178.0 | 8.0 | 7.64 | 7.01 | 0.31 | 210.0 | 159.0 | 8.27 | 6.26 | 2 | TG60 |
| TRB190 | 219.1 | 213.1 | 3.0 | 8.63 | 8.39 | 0.12 | 236.1 | 189.0 | 9.29 | 7.44 | 2 | TG60 |
| TRB215 | 244.5 | 219.1 | 12.7 | 9.63 | 8.63 | 0.50 | 256.0 | 200.1 | 10.08 | 7.87 | 2 | TG80 |
| TRB240 | 273.0 | 253.0 | 10.0 | 10.75 | 9.96 | 0.39 | 290.0 | 230.0 | 11.42 | 9.06 | 2 | TG80 |
| TRB250 | 301.6 | 272.2 | 14.7 | 11.87 | 10.72 | 0.58 | 318.0 | 253.0 | 12.52 | 9.96 | 3 | TG80 |
| TRB280 | 324.0 | 299.0 | 12.5 | 12.76 | 11.77 | 0.49 | 341.0 | 280.0 | 13.43 | 11.02 | 3 | TG100 |
| TRB315 | 356.0 | 331.0 | 12.5 | 14.02 | 13.03 | 0.49 | 370.0 | 305.0 | 14.57 | 12.01 | 3 | TG100/TG120 |
| TRB365 | 406.0 | 374.0 | 16.0 | 15.98 | 14.72 | 0.63 | 426.0 | 346.0 | 16.77 | 13.62 | 3 | TG120/TG125 |
| TRB410 | 457.2 | 425.2 | 16.0 | 18.00 | 16.74 | 0.63 | 473.0 | 397.0 | 18.62 | 15.63 | 3 | TG320 |
| TRB460 | 508.0 | 483.0 | 12.5 | 20.00 | 19.02 | 0.49 | 529.0 | 455.0 | 20.83 | 17.91 | 3 | TG370 |
| TRB510 | 559.0 | 534.0 | 12.5 | 22.01 | 21.02 | 0.49 | 586.0 | 502.0 | 23.07 | 19.76 | 3 | TG450 |
| TRB560 | 609.6 | 584.2 | 12.7 | 24.00 | 23.00 | 0.50 | 633.0 | 558.0 | 24.92 | 21.97 | 3 | TG450 |
| TRB610 | 660.4 | 635.0 | 12.7 | 26.00 | 25.00 | 0.50 | 684.0 | 602.6 | 26.93 | 23.74 | 3 | TG450, TG550 |
| TRB660 | 711.0 | 685.0 | 13.0 | 27.99 | 26.97 | 0.51 | 731.0 | 653.0 | 28.78 | 25.71 | 3 | TG550 |
| TRB710 | 762.0 | 724.0 | 19.0 | 30.00 | 28.50 | 0.75 | 786.0 | 690.0 | 30.94 | 27.17 | 3 | TG550 |
| TRB760 | 813.0 | 788.0 | 12.5 | 32.01 | 31.02 | 0.49 | 841.0 | 754.0 | 33.11 | 29.69 | 3, 4 | TG550 |
| TRB810 | 864.0 | 839.0 | 12.5 | 34.02 | 33.03 | 0.49 | 887.0 | 803.0 | 34.92 | 31.61 | 3, 4 | TG640 |
| TRB860 | 914.4 | 889.0 | 12.7 | 36.00 | 35.00 | 0.50 | 936.4 | 847.0 | 36.85 | 33.35 | 4 | TG640 |
| TRB960 | 1016.0 | 976.0 | 20.0 | 40.00 | 38.43 | 0.79 | 1048.0 | 932.0 | 41.26 | 36.69 | 5 | TG800 |
| TRB1010 | 1066.8 | 1022.4 | 22.2 | 42.00 | 40.25 | 0.87 | 1097.0 | 976.4 | 43.19 | 38.43 | 5 | TG800 |
| TRB1160 | 1219.2 | 1168.4 | 25.4 | 48.00 | 46.00 | 1.00 | 1243.2 | 1122.4 | 48.94 | 44.17 | 6 | TG800 |
| TRB1360 | 1420.0 | 1380.0 | 20.0 | 55.91 | 54.33 | 0.79 | 1460.0 | 1330.0 | 57.48 | 52.36 | 6 | TG900 |
*Other size of TRB system is available upon customer's request.
