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Priority claimed from US268904Aexternal-prioritypatent/US3179177A/en
Priority claimed from US268903Aexternal-prioritypatent/US3179175A/en
Priority claimed from US273005Aexternal-prioritypatent/US3179178A/en
Application filed by Shell Int ResearchfiledCriticalShell Int Research
Publication of DK111172BpublicationCriticalpatent/DK111172B/da
E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
E21B19/002—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling
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Engineering & Computer Science
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Life Sciences & Earth Sciences
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Geology
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Mining & Mineral Resources
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Mechanical Engineering
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Physics & Mathematics
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Environmental & Geological Engineering
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Fluid Mechanics
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General Life Sciences & Earth Sciences
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Geochemistry & Mineralogy
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Load-Engaging Elements For Cranes
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DK152764A1963-03-291964-03-25Fremgangsmåde og apparat til nedsænkning eller optrækning af en ydre rørstreng omkring et indre langstrakt organ.
DK111172B
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