Patent ID: 8869919
Filing Date: 2014-10-28
Classification: E21B

Abstract:
1. A drill bit comprising: a bit body having a rotational axis extending therethrough; a plurality of cutting blades extending radially from the bit body and having cutting elements disposed thereon, the plurality of cutting blades forming a cutting blade gage pad diameter configured to contact a formation; and a plurality of raised volumes of material extending from the bit body and devoid of cutting elements, the plurality of raised volumes of material forming a gage pad diameter configured to contact the formation; wherein at least a portion of the gage pad diameter defining regions of at least one of the plurality of cutting blades and at least a portion of at least one of the plurality of raised volumes have axial positions overlapping a single circumferential line around the rotational axis; and wherein the plurality of cutting blades and the plurality of raised volume of material are circumferentially spaced having fluid courses that extend therebetween.