E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 23/14 (2006.01) E21B 4/18 (2006.01)
Patent
CA 2551981
Apparatus, system and methods useful for controlling the traction of a downhole tractor in a borehole include the capability of repeatedly adjusting the normal force applied to at least one component that causes movement of the tractor in the borehole, on the basis of the slippage of at least one drive unit.
La présente invention a trait à un appareil, un système et des procédés utiles pour la commande de la traction d'un tracteur de fond de puits dans un trou de forage comportant la capacité d'ajustement répété de la force normale appliquée à au moins un composant qui entraîne le déplacement du tracteur dans le trou de forage, en fonction du glissement d'au moins un mécanisme d'entraînement.
Doering Falk W.
Ewan Robin A.
Foubert Benoit A.
Sheiretov Todor K.
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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