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Xs RU System
Brand: GeoRocFor Accessories IncThe rotating part of the crown has a larger diameter than that of the casing and has relief grooves on its periphery to help in the retrieval process.
This system has a butt welded connection.
The Xs RU system is used with any standard size DTH hammer.
The Xs RU (retrievable/reusable) system is used with any size casing that needs to be retrieved from the ground.
The crown O.D. is slightly bigger than the O.D. of the casing and is butt welded to reduce drag when pulling the casing.
This is why the Xs RU has a limited pass through diameter compared to our other socket type systems.
The Xs RU has the same design as the Xs T V2.0 system with all its benefits
Components:
Driver bit
The driver bit is the device that transfers impact and rotation to the crown bit for drilling. The driver bit locks into two or four flats on the casing crown and they act together as a standard drill bit, both the driver bit and the crown have tungsten carbide buttons.
Crown bit
The crown bit is a two-piece unit permanently connected together. The upper part is butt-welded to the casing, and the lower part, which has Tungsten Carbide is free to rotate with the driver bit.
- Impact zone: Direct energy from the hammer is transferred to the crown bit through four (4) recesses (Xs T version) or two (2) recesses plus a projection all around the periphery of the driver (Xs S version).
- Evacuation: Two (2) big air holes are drilled in the face of the bit (drilling end). Those holes are directly connected to two (2) large flushing air ways, these flushing grooves transfer the drill debris from the drilling end of the driver up to the hammer zone. To help keeping a good flow of debris, two (2) other smaller air holes in the flushing air ways, help give the cuttings some velocity.
- Straighter Holes: Because this ring bit system doesn’t use any eccentric parts, it will drill in any type of overburden with pratically no deviation. The driver bit design has a pilot portion that drills 3″ to 5″, ahead of the crown bit, allowing it to keep the casing very straight. If you try to drill on the side of a boulder with an eccentric system, the reamer will kick you out of your trajectory.
- Better Rate of Penetration: there are two (2) distinct advantages when drilling with the Xs drill system:
- Concentric: On the crown bit, there are carbide buttons all around the periphery of the hole, as opposed to approximately one third (1/3) on an eccentric system. That means that for each turn you do with our ring bit, you have in fact drilled a deeper portion of the hole compared to drilling with any eccentric design.
- Hammer: If you have a lot of boulders, or if you need to drill in fractured rock, the Xs is the only system offering the advantage of using a larger hammer to drill with the crown. The penetration rate through boulders will be comparable to drilling with a conventional oversized bit.
- Smooth Drilling: Compared to an eccentric method, drilling with the full face Xs drill system will be an unbelievable experience. Working with an eccentric system is very hard on every piece of equipment due to excessive torque applied by the reamer on the driver device, hammer, drill rods, rotation head and mast.
- Wear on gage carbide button: The wear on the carbide buttons on an eccentric system (on the pilot and especially on the reamer part) will occur very fast, especially in abrasive rock or harder ground conditions. On the Xs drill system, there is double the quantity of carbides on the gage row that are actually needed to give extended life.
- Components: Eccentric systems consist of a lot of different components, all necessary for its operation. Usually there is a pilot bit, a reamer bit, a driver, steel balls, set screws, pins, spring pins, etc… if you are using a wing type system, a driver device, 2, 3, or 4 wings, pins, screws, spring pins, etc.. All these parts are very costly and this can cause you lot of time on a job site. With the Xs drill system, there is a driver and an assembled crown ready to drill. That’s it !
- Toughness of parts: In eccentric and/or wing bit systems, all components are very fragile, and as soon as you have a little bit of wear in overall system, those parts are inclined to break without notice and leave you again with down time.
- Direct Energy Transfer: With the Xs drill system, the energy given by the hammer is transfer directly and entirely to the drilling part of the crown bit, and not to a driving shoe.
- Easier to Weld: The crown bit is composed of two (2) assembled swivel parts. The lower rotating part which has carbide buttons to drill, receives the impact and rotation from the hammer. The upper part is welded to the casing, but doesn’t receive any percussion directly from the hammer but is pulled down with the casing through a swivel joint. The impact to the joint is minimized because the drilling action of the rotating crown portion has absorbed most of it, leaving however enough energy to pull down the casing.
- Less Maintenance: In almost any other system, there is a lot of maintenance to do on the most expensive part which is the driver device. The driving shoe is fixed to the casing and the driver rotates and impacts on the upper shoe causing rapid wear to appear on the driver which then needs to be rebuilt or replaced. On the Xs drill system, that grinding effect is transferred to the swivel joint between the upper and lower part of the crown, which in 90% of cases is left in the hole.
1 - 12 of 44 Part Numbers
XS-RU-CR10.75PLUS
- Casing OD - 10.750" (273 mm)
- Crown Type - Standard Crown
XS-RU-CR10.75SA
- Casing OD - 10.750" (273 mm)
- Crown Type - SA Crown (Severe Application)
XS-RU-CR12.75PLUS
- Casing OD - 12.750" (324 mm)
- Crown Type - Standard Crown
XS-RU-CR12.75SA
- Casing OD - 12.750" (324 mm)
- Crown Type - SA Crown (Severe Application)
XS-RU-CR14.00PLUS
- Casing OD - 14.000" (355.6 mm)
- Crown Type - Standard Crown
XS-RU-CR14.00SA
- Casing OD - 14.000" (355.6 mm)
- Crown Type - SA Crown (Severe Application)
XS-RU-CR16.00PLUS
- Casing OD - 16.000" (406.4 mm)
- Crown Type - Standard Crown
XS-RU-CR16.00SA
- Casing OD - 16.000" (406.4 mm)
- Crown Type - SA Crown (Severe Application)
XS-RU-CR18.00PLUS
- Casing OD - 18.000" (457.2 mm)
- Crown Type - Standard Crown
XS-RU-CR18.00SA
- Casing OD - 18.000" (457.2 mm)
- Crown Type - SA Crown (Severe Application)
XS-RU-CR20.00PLUS
- Casing OD - 20.000" (508 mm)
- Crown Type - Standard Crown
XS-RU-CR20.00SA
- Casing OD - 20.000" (508 mm)
- Crown Type - SA Crown (Severe Application)
1 - 12 of 44 Part Numbers
Specifications
Casing OD
- 4.500” / 114.3 mm
- 5.000” / 127 mm
- 5.500” / 139.7 mm
- 6.000” / 152.4 mm
- 6.625” / 168.3 mm
- 7.000” / 177.8 mm
- 7.625” / 196.7 mm
- 8.625” / 219 mm
- 9.625” / 244.5 mm
- 10.750” / 273 mm
- 12.750” / 324 mm
- 14.000” / 355.6 mm
- 16.000” / 406.4 mm
- 18.000” / 457.2 mm
- 20.000” / 508 mm
- 22.000” / 558.8 mm
- 24.000” / 609.6 mm
- 26.000” / 660.4 mm
- 28.000” / 711.2 mm
- 30.000” / 762 mm
- 32.000” / 812.8 mm
- 36.000” / 914.4 mm
Maximum Wall
- 0.512”/13 mm
- 0.563”/14.3 mm
- 0.625”/16 mm
- 0.688”/17.5 mm
- 0.875”/22.2 mm
- 0.938”/24 mm
- 1.000”/26.4 mm
- 1.000”/26 mm
Crown OD
- 4.750”/120.7 mm
- 5.250”/133.4 mm
- 5.750”/146 mm
- 6.313”/160.4 mm
- 7.000”/177.8 mm
- 7.375”/187.3 mm
- 8.000”/203.2 mm
- 9.000”/228.6 mm
- 10.000”/254 mm
- 11.250”/285.8 mm
- 13.250”/336.5 mm
- 14.500”/368.3 mm
- 16.625”/422.3 mm
- 18.625”/473 mm
- 20.750”/527 mm
- 22.750”/578 mm
- 24.750”/628.7 mm
- 26.750”/679.5 mm
- 28.750”/730.3 mm
- 31.000”/787.4 mm
- 33.000”/838.2 mm
- 37.000”/939.8 mm
Crown I.D.
- 3.040”/77.2 mm
- 3.460”/88 mm
- 3.840”/97.5 mm
- 4.290”/109 mm
- 4.780”/121.4 mm
- 5.090”/129.3 mm
- 5.670”/144 mm
- 6.590”/167.4 mm
- 7.450”/189.2 mm
- 8.210”/208.5 mm
- 9.910”/251.7 mm
- 10.640”/270.3 mm
- 12.300”/312.4 mm
- 13.900”/353 mm
- 15.500”/393.7 mm
- 16.950”/430.5 mm
- 18.950”/481.3 mm
- 20.950”/532 mm
- 22.950”/583 mm
- 24.300”/617.2 mm
- 26.300”/668 mm
- 30.300”/769.6 mm
Driver OD
- 3.350”/85 mm
- 3.770”/95.8 mm
- 4.190”/106.4 mm
- 4.670”/118.6 mm
- 5.180”/131.6 mm
- 5.500”/139.7 mm
- 6.080”/154.4 mm
- 7.020”/178.3 mm
- 7.950”/202 mm
- 8.840”/224.5 mm
- 10.650”/270.5 mm
- 11.600”/294.6 mm
- 13.380”/340 mm
- 15.180”/385.6 mm
- 16.980”/431.3 mm
- 18.550”/471.2 mm
- 20.550”/522 mm
- 22.550”/572.8 mm
- 24.550”/623.6 mm
- 26.200”/665.5 mm
- 28.200”/716.3 mm
- 32.200”/818 mm
Hammer Size
- 3”/76.2 mm
- 3.5”/88.9 mm
- 4”/101.6 mm
- 5”/127 mm
- 6”/152.4 mm
- 8”/203.2 mm
- 10”/254 mm
- 12”/304.8 mm
- 15”/381 mm
- 18”/381 mm
- 24”/609.6 mm