Portable drilling rig

Details Portable drilling rig Portable drilling rig

E - Fixed Constructions

21

B

E21B 7/02 (2006.01)

Patent

CA 2452087

A portable drilling rig 20 for drilling water wells or installing geothermal pipe systems in the ground 22. The portable drilling rig 20 is removably mounted on a truck bed 24. The single I beam mast 30 of the rig 20 pivots to a horizontal position 32 on the truck bed 24 for transport and pivots to a vertical position 34 for drilling, or alternately, pivots to a slanted position 38 for drilling at an angle "A" into the ground 22. A swivel 78 that is normally parallel to the mast 30 is movable along the length of the mast 30. The swivel 78 can be pivoted to its non-parallel position 122 relative to the mast 30 in order to attach or remove pipe segments 126 from a drive shaft 136 provided on the swivel 78.

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