deep hole driller 1 2013 7 Read on about the RD20 XC and its xtra capabilities from Australia to T exas Features and Capabilities 1 20 0 0 0 lb 544 tonnes 8 0 0 0 lbff t 1 08 kNm 1 250 cfm 350 psi 590 Lps 241 bar compressor on board 755 hp 563 kW 1 25 F 52 C 2 7 8 to 4 in 73 to 1 1 4 mm upset oil f eld drill pipe 4 to 8 in 1 1 4 to 203 mm oil f eld drill collars Hy draulic links and ele v ators on top driv e Hy draulic slips in 1 7 in 445 mm master bushing Hy draulic mak e up and break out wrenc hes 3 0 0 0 psi 2068 bar mud piping Nonincendiv e switc hes in console HighIntensit y lighting RD20 x x x x x RD20 XC xc xc xc xc xc xc xc xc xc xc xc xc xc The RD20 is highly mobile rapid to rig up and fexible enough to adapt to almost any location s requirements The patented carriage feed system and detachedtable design provide exceptional performance and economy as well as the structural strength to handle the toughest drilling conditions T op Drive with e levator Links A mounting assembly for the links is secured to the topdrive case Rated for 120000 lb 54 tonnes plus a safety factorthis design enables the links to tip inout to handle pipe collars and casing Cylinders attach to the mounting assembly and each link to tip the links out from hole center and back The spindle sub includes a foating sub and saver sub The hydraulic elevators openclose and lock with cylinders mounted on the elevators A dualcaliper spindle brake is available for directional drilling Virtu ally handsfree pipe handling is easy from trailer tubs vdoor or automated pipe loader T able and Slips The standard RD20 table assembly has been lowered 12 in 305 mm to make additional working space for the elevator system and breakout wrenches The table has a 26 in 660 mm opening and is ftted with a 17 in 445 mm master bushing and hydraulic slip assembly This table assembly is a strong solid base that is supported on all sides to handle tough drilling loads Air Mud Piping Redesigned RD20 XC mud piping accommodates higher pressures The air manifold handles auxiliary compressors and a booster system The main air valve and blowdown valve actuate from the driller s console Includes connections for water injection and DHD lubricator The mud piping is set up for a wide range of oil feld mud systems Includes a manual gate valve a connection and valve for a mixer line with a heavyduty mud gauge Air and mud connections are at the side of the deck for easy access W renches The table assembly includes two heavyduty pedestal mounts on the helper s side to mount a hydraulic makeup and breakout wrench Both pedestals are height adjustableup to 13 in 330 mm with pin holes every 2 in 51 mmto accommodate a wide range of pipe and collar sizes Both wrenches are heavyduty chaintype that are adjustable to ft a range of diameters and are hydraulically activated The wrenches can be turned over to reverse their function Both wrenches are individually activated from the driller s console tE c H n I c a LL y SPE ak I ng