Sandvik Casing Advancing System

Sandvik Casing Advancing System

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Sandvik Casing Advancing System


Sandvik® casing advancement systems are designed to work in unison, with 
other Sandvik tools, providing high penetration rates, long service life, and low costs.

To learn more about the Sandvik casing advancement systems
view Sandvik Casing Systems catalog online .

The Tubex XL eccentric drilling system is designed for simultaneous drilling and casing
through overburden and loose rock formations. The Tubex XL system uses a pilot bit and
an eccentric reamer. The reamer drills a hole large enough for the casing to follow. After
advancing a few feet into the bedrock, the drill string is rotated in the opposite direction
to fold the reamer in allowing the Tubex XL system to be retracted inside the casing. After
changing to a conventional DTH bit, the drill string is lowered into the casing, and drilling
into the bedrock can resume.

 Rendering of Sandvik overburden drilling Tubex XL system.

 

TUBEX XL PRODUCT RANGE
TUBEX TYPE APPLICABLE CASING PIPE MIN. WALL THK. MAX. DRILL BIT DIAMETER (A) REAMING DIAMETER
MAX. O.D MIN. I.D.
IN MM IN MM IN MM IN MM IN MM
90 4.5" 115 4.0" 102 .197" 5 3.5" 90 4.8" 123
115 5.6" 142 5.0" 128 .197" 5 4.5" 115 6.0" 152
140 6.7" 171 6.2" 157 .197" 5 5.5" 140 7.4" 187
165 7.7" 196 7.2" 183 .197" 5 6.5" 165 8.3" 212
180 8.6" 219 7.6" 194 .217" 5.5 7.1" 180 9.1" 232
190 8.7" 222 8.1" 205 .248" 6.3 7.5" 190 9.3" 237
215 10.1" 257 9.5" 241 .248" 6.3 8.5" 215 10.9" 278
230 10.6" 270 9.8" 250 .248" 6.3 9.1" 230 11.3" 286
240 10.7" 273 10.2" 260 .248" 6.3 9.5" 240 12.0" 306
280 12.9" 327 12.0" 305 .280" 7.1 11.0" 280 14.6" 370
 

 

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