Patent · US Active

Cementing apparatus for reverse cementing

US11746618B2 · kind B2 · utility

0Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 3, 2020
Grant dateSep 5, 2023
Priority date
Expiry dateNov 3, 2040

Classification

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

Abstract

Provided, in one aspect, is a cementing apparatus. The cementing apparatus, in one embodiment comprising a housing; a fixed member coupled with the housing, the fixed member having at least one fixed member fluid opening therein; and a moving member positioned downhole of the fixed member and movable between a circulating position and a cemented position, the moving member having at least one moving member fluid opening therein, the at least one moving member fluid opening linearly offset from the at least one fixed member fluid opening.

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