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E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
E—FIXED CONSTRUCTIONS
E21—EARTH OR ROCK DRILLING; MINING
E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
E21B40/00—Tubing catchers, automatically arresting the fall of oil-well tubing
E21B40/001—Tubing catchers, automatically arresting the fall of oil-well tubing in the borehole
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FR640199D1927-08-171927-08-17Perfectionnements aux dispositifs d'engagement du tuyautage dans les puits à huile et les applications similaires
ExpiredFR640199A
(fr)
Appareillage permettant l'emploi des pétroles lourds (gaz-oil) et huiles de schiste sur les moteurs fonctionnant à l'essence et notamment sur les véhicules industriels