Patent · US Active

Float sub with pressure-frangible plug

US10683728B2 · kind B2 · utility

8Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 26, 2018
Grant dateJun 16, 2020
Priority date
Expiry dateJul 30, 2038

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B33/14
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An apparatus for use in a string of tubulars includes a first sub having a bore, a second sub attached to the first sub, the second sub having a bore in fluid communication with the bore of the first sub, and a barrier assembly having a frangible member that is configured to break by applying a fluid pressure to the barrier.

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