Derniers inventions, produits et services
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2018
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P/S
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Drilling fluid additives.
Lubricants for use in industrial processes, including oils and greases;... |
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P/S
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Oil well and mineral mining drilling chemical fluid additives, substances, compounds and preparat... |
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P/S
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Drilling fluid additives, substances, compounds and
preparations for industrial drilling process... |
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2012
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Invention
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Grout delivery.
A grout delivery system for delivery of grout to a downhole location within a bo... |
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Invention
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Grout delivery. A grout delivery system (10) for delivery of grout to a downhole location within ... |
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