Rasping shoe for non-rotational deployment of casing string

A rasping shoe for non-rotational deployment of a casing string into a wellbore, comprising:

• a tubular body;
• and
• a nose mounted to an end of the tubular body and comprising
• a base portion made from a drillable metal or alloy;
• a plurality of blades protruding from an outer surface of the base portion;
• a plurality of broaching cutters mounted to an outer surface of each blade at a rearward portion thereof;
• and
• a plurality of gouging cutters mounted to the outer surface of each blade at a forward portion thereof,
• wherein:
• each gouging cutter and each broaching cutter comprises a pair of flanks converging to form a crest,
• each gouging cutter is oriented such that a longitudinal axis of the crest is parallel to a longitudinal axis of the respective blade at the location of the respective gouging cutter along the respective blade,
• each broaching cutter is oriented such that a longitudinal axis of the crest is perpendicular to a longitudinal axis of the respective blade at the location of the respective broaching cutter along the respective blade,
• one of the flanks of each broaching cutter is a steep flank,
• another one of the flanks of each broaching cutter is a gradual flank, and
• each broaching cutter is also oriented such that the steep flank faces forward along the respective blade toward a forward end face of the respective blade.