Patent · US Expired

Side intake valve assembly

US5899270A · kind A · utility

22Cited by
7References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 10, 1997
Grant dateMay 4, 1999
Priority date
Expiry dateApr 10, 2017

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B43/121
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A side intake valve assembly for use in a subterranean well in conjunction with a second or lower valve assembly, and a hollow connecting body for connecting the side intake valve assembly and the second or lower valve assembly. The side intake valve assembly allows water separated from the production fluid to be forced downwardly through the intake valve assembly and the second or lower valve assembly into a water disposal zone. A one-way valve in the side intake valve assembly is a gravity operated ball valve.

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