Latest Inventions, Goods, Services
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2018
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Invention
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Ejector for improving delivery flow conditions in boreholes and in crude oil transport, from stor... |
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2017
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G/S
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Prospecting of oil wells, namely, well logging and testing; Control of oil wells, namely, perform... |
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G/S
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Well drilling services; construction of structures for the production of crude oil; Maintenance a... |
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2016
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Invention
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Casing for the circulation of fluids at the bottom of a well, with a downward-facing opening, for... |
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Invention
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Circulation casing for oil wells. The invention relates to casings for the circulation of fluids,... |
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2015
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Invention
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Unidirectional base hydraulic pumping apparatus for increasing the re-injection/injection flow of... |
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