Drilling machine and method for sinking a well

Details Drilling machine and method for sinking a well Drilling machine and method for sinking a well

E - Fixed Constructions

21

B

E21B 15/00 (2006.01) E21B 19/20 (2006.01)

Patent

CA 2344034

The invention relates to a drilling machine for a drilling rig and to a drilling rig which can be used for exploratory drillings and producing wells, particularly in hydrocarbon deposits, both onshore and offshore, and to a method for sinking such a well. The drilling machine according to the invention consists of a base, on or in which a top drive displaceable axially to the longitudinal axis of the base and a pipe-handling apparatus which is movable, especially by sliding, perpendicularly to the longitudinal axis of the base and which grips the drilling pipe, are arranged, the base being pivotably and/or rotatably mounted in the region of the foot, and it being possible for a virtually continuous drilling process to be carried out using a combination of two drilling machines.

Dispositif de forage pour une installation de forage et installation de forage qui peut être utilisée pour les puits d'exploration et productifs, en particulier pour des gisements d'hydrocarbures, sur terre et en mer, ainsi que procédé de forage d'un tel puits. Le dispositif de forage selon la présente invention comporte un mécanisme de support (1) dans lequel ou sur lequel sont placés une tête de rotation (2) coulissant axialement par rapport à l'axe longitudinal du mécanisme de support (1) et un dispositif de manipulation de tiges (30) qui peut se déplacer ou plutôt coulisser perpendiculairement par rapport à l'axe longitudinal du mécanisme de support (1) et qui saisit les tiges de forage, le mécanisme de support étant monté basculant et/ou rotatif au niveau du pied. Grâce à ce mécanisme de support en combinaison avec deux dispositifs de forage, il est possible de mener un processus de forage en continu.

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