OVERBURDEN DRILLING SYSTEMS

TREX SYSTEMS

TREX SYSTEMS

TREX overburden drilling systems are designed for wings to be retracted when bit is pulled up.

TREX 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
TREX90 114.3 101.6 6.4 4.500 4.000 0.252 127 90 5.00 3.54 2 TG35
TREX115 139.8 125.0 7.4 5.504 4.921 0.291 154 113 6.06 4.45 2 TG40
TREX130 152.4 132.4 10.0 6.000 5.213 0.394 164 122 6.47 4.80 2 TG40
TREX140 168.0 156.0 6.0 6.614 6.142 0.236 184 140 7.24 5.51 2 TG50
TREX150 177.8 167.0 5.4 7.000 6.575 0.213 197 153 7.76 6.02 2 TG50/TG60
TREX165 193.7 179.7 7.0 7.626 7.075 0.276 212 165 8.35 6.50 2 TG60
TREX190 219.0 203.0 8.0 8.622 7.992 0.315 238 187 9.37 7.36 3 TG60/TG80
TREX215 245.0 226.0 9.5 9.646 8.898 0.374 264 213 10.39 8.39 3 TG80
TREX240 273.0 254.0 9.5 10.748 10.000 0.374 290 240 11.42 9.45 3 TG80
TREX250 299.0 279.0 10.0 11.772 10.984 0.394 316 255 12.44 10.04 3 TG80
TREX280 324.0 299.0 12.5 12.756 11.772 0.492 340 276 13.39 10.87 3 TG100
TREX315 355.6 336.6 9.5 14.000 13.252 0.374 373 315 14.69 12.40 3 TG100/TG120
TREX365 406.0 374.0 16.0 15.984 14.724 0.630 420 351 16.54 13.82 3 TG120/TG125
TREX410 457.2 435.0 11.1 18.000 17.126 0.437 478 412 18.82 16.22 3 TG320
TREX460 508.0 482.6 12.7 20.000 19.000 0.500 530 455 20.87 17.91 4 TG370
TREX510 558.8 533.4 12.7 22.000 21.000 0.500 578 499 22.76 19.65 4 TG450
TREX560 609.6 584.2 12.7 24.000 23.000 0.500 632 556 24.88 21.89 4 TG450
TREX610 660.4 635.0 12.7 26.000 25.000 0.500 682 605 26.85 23.82 4 TG550
TREX660 711.2 685.8 12.7 28.000 27.000 0.500 733 656 28.86 25.83 4 TG550
TREX710 762.0 736.6 12.7 30.000 29.000 0.500 784 704 30.87 27.72 4 TG550
TREX760 813.0 773.0 20.0 32.008 30.433 0.787 833 738 32.80 29.06 4 TG550
TREX810 863.6 838.2 12.7 34.000 33.000 0.500 886 809 34.88 31.85 4 TG640
TREX860 914.4 889.0 12.7 36.000 35.000 0.500 938 831 36.93 32.72 4 TG640
TREX960 1020.0 996.0 12.0 40.157 39.213 0.472 1046 955 41.18 37.60 4 TG800

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