Patent · US Active

Wellbore tubular anchor sub and seal for modular completion interface

US12252946B2 · kind B2 · utility

0Cited by

10References

24Claims

0Family size

Assignee

Halliburton Energy Services, Inc. · US

Inventors

Angus Mackay Barron · Alford, GB
Borisa Lajesic · Stavanger, NO

Key dates

Filing date	Jul 6, 2023
Grant date	Mar 18, 2025
Priority date	—
Expiry date	Jul 6, 2043

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B43/14
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A selective anchor assembly for a downhole completion comprising an anchor sub and a seal assembly with at least one seal unit. The anchor sub comprises at least one button slip within a corresponding piston port that is fluidically coupled to an inner passage of the anchor. The selective anchor is configured to slidingly and sealingly engage a polish bore of a downhole completion. The selective anchor is configured to anchor to a shroud coupled to the polish bore in response to pressure applied to the inner passage of the anchor sub.

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