Patent · US Active

Expandable reamer apparatus including stabilizers

US8657038B2 · kind B2 · utility

8Cited by
175References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 29, 2012
Grant dateFeb 25, 2014
Priority date—
Expiry dateOct 29, 2032

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.