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2014
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Invention
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Test tube with an inlet for filling with fluid and expelling air, and with enhanced resistance an... |
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Invention
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Adapted drilling equipment platform with movable mechanism for hoisting and lowering transport sy... |
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2013
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Invention
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Device with assembly and installation in casing column coupled to a mandrel for disobstructing a ... |
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Invention
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Device with assembly and installation system in casing column coupled to a mandrel for disobstruc... |
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Invention
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Fluid injection tubing with a collar for a test string, having a locking system by abutment again... |
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Invention
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Support with limiting collar for casing string, for locking by abutment above the mandrel of the ... |
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Invention
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Safety mechanism for installation in soil-sampling tooling, with a system for blocking the escape... |
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Invention
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Assembly and arrangement for a drilling column composed of smooth rods for a system to prevent in... |
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Invention
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Assemply and arrangement for a drilling column composed of smooth rods for a system to prevent in... |
