E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
255/23
E21B 3/00 (2006.01) B65H 51/14 (2006.01) E21B 19/22 (2006.01)
Patent
CA 1242184
A B S T R A C T Subject of the invention is the drillstem motion apparatus which without the employment of the drilling tower necessary for geophysical explorative deep drillings, can be executed in continuous operation, in place of the presently used drilling towers, with a considerably lower (lesser in height) and much better, stability apparatus. The essence (the subject) of the apparatus, that to the drillstem (1) activating turntable's rotary tabletop (3) a pipe motioning mechanism (19a, 19b) is fixed, clamping and simultaneously rotating the drillstem (1) with frictional force, consisting two "INFINITIVE" chainstructure (19a, 19b), their tensioning chainhold housings (35a, 35b), to these chainhold housings (35a, 35b) are fixed two each of chain- wheels (22a, 22b, 22c and 22d), a mechanical power trans- mission system for the motioning of the chainstructures (19a, 19b) into opposite directions to each other and each chainlink (27) of the chainstructures (19a, 19b) a horizontal- ly moving hydraulic power transmission system, mobility of which is ensured by a force transmission system (2) situated in between the rotary tabletop (3) and the static tabletop (4). Fig. 1.
489898
Fenyvesi Janos
Sim & Mcburney
LandOfFree
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