Patent · US Active

Fixed bladed drill bit cutter profile

US9074433B2 · kind B2 · utility

2Cited by

7References

21Claims

0Family size

Assignee

SCHLUMBERGER TECHNOLOGY CORPORATION · US

Inventors

David R. Hall · Provo, US
Casey Webb · Spanish Fork, US
Davido Hyer · Spanish Fork, US

Key dates

Filing date	Nov 30, 2012
Grant date	Jul 7, 2015
Priority date	—
Expiry date	Mar 18, 2033

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B10/00
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A drill bit has a bit body with a plurality of fixed blades and a plurality of cutters disposed on the plurality of blades. The plurality of cutters includes a plurality of flat shear type cutters and at least one conical shaped cutter, wherein the plurality of flat shear type cutters define a cutter profile.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.