Patent · US Active

Stabilizer subs for use with expandable reamer apparatus, expandable reamer apparatus including stabilizer subs and related methods

US8297381B2 · kind B2 · utility

24Cited by
149References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 13, 2009
Grant dateOct 30, 2012
Priority date—
Expiry dateMar 7, 2031

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B17/1078
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An expandable reamer apparatus and stabilizer sub having at least one rib thereon attached thereto for drilling a subterranean formation.

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