Patent · US Active

Corrodible downhole article

US10329643B2 · kind B2 · utility

7Cited by
6References
10Claims
0Family size

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Inventors

Key dates

Filing dateSep 8, 2017
Grant dateJun 25, 2019
Priority date—
Expiry dateOct 6, 2037

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B2200/08
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A corrodible downhole article includes a magnesium alloy. The magnesium alloy includes: 1-9 wt % Zn; 1-2 wt % Cu; 0.5-1.0 wt % Mn; and 0.1-5 wt % of a corrosion promoting element (e.g., Ni). The alloy can have a 0.2% proof strength of at least 150 MPa when tested using standard tensile test method ASTM B557-10.

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