Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:: FIXED CONSTRUCTIONS
Class:: EARTH OR ROCK DRILLING; MINING
Subclass:: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS

CABLE(S) drilling of boreholesDERRICKS for deep drilling

10 direct subcodes

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E21B 19/02 Rod or cable suspensions
E21B 19/08 Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
E21B 19/1 Slips; Spiders
E21B 19/12 Rope clamps
E21B 19/14 Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
E21B 19/16 Connecting or disconnecting pipe couplings or joints
E21B 19/18 Connecting or disconnecting drill bit and drilling pipe
E21B 19/2 Combined feeding from rack and connecting, e.g. automatically
E21B 19/22 Handling reeled pipe or rod units, e.g. flexible drilling pipes
E21B 19/24 Guiding or centralising devices for drilling rods or pipes