Patent · US Expired

Isolation of subterranean zones

US6712154B2 · kind B2 · utility

113Cited by
366References
40Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 18, 2001
Grant dateMar 30, 2004
Priority date—
Expiry dateNov 19, 2021

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B43/305
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

One or more subterranean zones are isolated from one or more other subterranean zones using a combination of solid tubulars and slotted tubulars.

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