Telescopic mast for drilling and associated drilling rig

A mast for telescopic drilling comprising:

• at least one first structure comprising a fixing portion, adapted for being fixed to a drill floor;
• at least one second structure, the at least one second structure being movable relative to the first structure to obtain a telescopic mast;
• a moving system, capable of extending and retracting a longitudinal extension of said telescopic mast by moving said at least one second structure;
• said moving system comprising:
• at least one first actuator device, which, at its first end, is adapted to be fixed to said first structure or to said drill floor;
• at least one second actuator device, to which, at its first end, is fixed said second structure;
• at least one supply chamber, for supplying at least said first actuator device and at least said second actuator;
• wherein said at least one first actuator device and said at least one second actuator device are:
• aligned along a single direction, and
• operable with opposite directions.