Patent · US Expired

Injector for coupled pipe

US4655291A · kind A · utility

78Cited by
16References
33Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 23, 1985
Grant dateApr 7, 1987
Priority date—
Expiry dateSep 23, 2005

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B19/22
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

Apparatus of the "coil tubing injector" type which is capable of running coupled pipe into or out of a well continuously. Methods are also disclosed.

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