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 114.0 102.8 5.6 4.488 4.047 0.220 126 90 4.96 3.54 2 TG35
TRB115 141.3 128.1 6.6 5.563 5.043 0.260 157 113 6.18 4.45 2 TG40
TRB130 148.7 133.7 7.5 5.854 5.264 0.295 155 117 6.10 4.61 2 TG40
TRB140 168.3 146.4 10.9 6.626 5.764 0.429 176 132 6.93 5.20 2 TG50
TRB150 177.8 167.0 5.4 7.000 6.575 0.213 188 150 7.40 5.91 2 TG50/TG60
TRB165 193.1 182.3 5.4 7.602 7.177 0.213 203 163 7.99 6.42 2 TG60
TRB190 219.0 200.0 9.5 8.622 7.874 0.374 229 180 9.02 7.09 2, 3 TG60/TG80
TRB215 244.0 231.4 6.3 9.606 9.110 0.248 260 213 10.24 8.39 3 TG80
TRB240 285.0 265.0 10.0 11.220 10.433 0.394 299 241 11.77 9.49 3 TG80
TRB250 301.6 272.2 14.7 11.874 10.717 0.579 312 253 12.28 9.96 3 TG80
TRB280 335.9 315.9 10.0 13.224 12.437 0.394 350 292 13.78 11.50 3 TG100
TRB315 356.0 331.0 12.5 14.016 13.031 0.492 372 305 14.65 12.01 3 TG100/TG120
TRB365 406.0 374.0 16.0 15.984 14.724 0.630 422 350 16.61 13.78 3 TG120/TG125
TRB410 457.2 425.2 16.0 18.000 16.740 0.630 477 399 18.78 15.71 3 TG320
TRB460 508.0 476.0 16.0 20.000 18.740 0.630 526 452 20.71 17.80 3 TG370
TRB510 558.8 539.8 9.5 22.000 21.252 0.374 578 510 22.76 20.08 3 TG450
TRB560 609.6 584.2 12.7 24.000 23.000 0.500 630 554 24.80 21.81 3 TG450
TRB610 660.4 635.0 12.7 26.000 25.000 0.500 682 605 26.85 23.82 3 TG550
TRB660 711.2 685.8 12.7 28.000 27.000 0.500 733 644 28.86 25.35 3 TG550
TRB710 762.0 742.0 10.0 30.000 29.213 0.394 782 708 30.79 27.87 3 TG550
TRB760 813.0 775.0 19.0 32.008 30.512 0.748 835 742 32.87 29.21 3 TG550
TRB810 863.0 819.0 22.0 33.976 32.244 0.866 874 781 34.41 30.75 3 TG640
TRB860 914.4 882.4 16.0 36.000 34.740 0.630 936 835 36.85 32.87 3 TG640
TRB960 1016.0 986.0 15.0 40.000 38.819 0.591 1054 950 41.50 37.40 4 TG800
TRB1160 1219.2 1168.4 25.4 48.000 46.000 1.000 1251 1125 49.26 44.29 5 TG800

*Other size of TRB system is available upon customer's request.