Rasping shoe for non-rotational deployment of casing string
AssigneeDownhole Products Limited
InventorsDouglas Farley, ALEXANDER CRAIG MACKAY, CARL ARON DEEN
Life of this patent
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Abstract
A rasping shoe for non-rotational deployment of a casing string into a wellbore includes: a tubular body; and a nose mounted to an end of the tubular body. The nose includes: 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.
Claims12
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.
Dependencies are inferred from the claim text.