Blockless reamer
AssigneeNQL Energy Services, Ltd.
InventorJay Camron Adam Crooks
Life of this patent
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Abstract
A blockless reamer drilling tool comprising an elongated tool body and a reamer unit. The reamer unit includes, a shaft having a first end and a second end and a cutter mounted on the shaft between the first and second ends. A pocket on the exterior surface of the tool body is sized to accept the reamer unit with a portion of the reamer unit recessed in the pocket. A plurality of pins engage the tool body and secure the reamer unit within the pocket. The plurality of pins includes a first pin engaging the tool body and passing through the shaft at the first end and a second pin engaging the tool body and passing through the shaft at the second end.
Claims10
A reamer drilling tool comprising:
- an elongated tool body including an exterior surface;
- a reamer unit including a shaft having a first end and a second end and a cutter mounted on the shaft between said first and second ends;
- a pocket on the exterior surface of the tool body sized to accept the reamer unit therein with a portion of the reamer unit recessed in the pocket;
- and a plurality of pins engaging the tool body and securing the reamer unit within the pocket, the plurality of pins including a first pin engaging the tool body and passing through said shaft at said first end and a second pin engaging the tool body and passing through said shaft at said second end;
- and,
- wherein said reamer drilling tool is blockless.
Dependencies are inferred from the claim text.