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US 2025/0137355 A1Published application
Wellbore cleaning tools
AssigneeWellbore Integrity Solutions LLC
InventorsGraham STRONACH, Shantanu N. SWADI, David JOHNSON, David MOYER, Mitul PATEL, Delaney OLSTAD
Life of this patent
Estimating the term…
Abstract
A downhole magnetic tool for use in a wellbore includes a mandrel and a magnet assembly coupled to the mandrel. The magnet assembly includes a magnet retainer having a chamber and a magnet disposed in the chamber. A bracket is used to retain the magnet in the chamber. The magnet assembly also includes one or more apertures configured to engage a magnet removal tool.
Claims20
A downhole magnetic tool for use in a wellbore, the tool comprising:
- a mandrel;
- and
- a magnet assembly coupled to the mandrel, the magnet assembly having:
- a magnet retainer having a chamber;
- a magnet disposed in the chamber;
- a bracket for retaining the magnet in the chamber;
- and
- one or more apertures configured to engage a magnet removal tool.
5 more elements
A downhole tool, comprising:
- a mandrel having one or more key recesses;
- a centralizer disposed around the mandrel;
- and
- a bearing disposed between the mandrel and the centralizer, the bearing having:
- a tubular body having a first outer portion having a first outer diameter and a second outer portion having a smaller, second outer diameter;
- and
- one or more keys protruding from an inner surface of the tubular body, the one or more keys configured to engage with the one or more key recesses.
4 more elements
A downhole tool, comprising:
- a mandrel;
- a centralizer disposed around the mandrel;
- a bearing disposed between the mandrel and the centralizer;
- and
- a magnet assembly coupled to the mandrel, the magnet assembly having:
- a magnet retainer having a chamber;
- a magnet disposed in the chamber;
- and
- a bracket for retaining the magnet in the chamber.
6 more elements
Dependencies are inferred from the claim text.