drilling rig platform adapted with mobile mechanism, for suspension and lowering system for transport and lifting and lowering system over the wellhead
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device with assembly and installation system in a coating column coupled to a mandrel, for unobstruction in a borehole
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support with bounding collar for lining column, for locking in stop system above the chuck of the drilling equipment
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fluid injection tube with collar, for test column, with stop locking system in drilling well head drawer
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safety mechanism for installation in soil drilling tools, with gas / oil leakage blocking system in the recovery phase of the inner tube containing testimony
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Assembly and arrangement for a drilling column composed of smooth rods for a system to prevent ingress in the stage of drilling oil/gas wells
