Halliburton Energy Services, Inc.

Roberto Vega

Michael Linley Fripp

Rutger Evers

Provided is a well system, and a method. The well system, in one aspect, includes a wellbore positioned within a subterranean formation, as well as a downhole tool positioned within the wellbore. The downhole tool, according to one aspect, includes a housing, as well as an expandable metal member positioned about the housing, the expandable metal member comprising a metal configured to expand in response to hydrolysis. The well system, in one further aspect, includes a reactive colloidal dispersion of colloid particles surrounding a surface of the expandable metal member.

Method for placing non-reactive colloid particles to stop gas migration in expandable metal applications

Provided are a downhole tool, a well system, and a method. The downhole tool, in one aspect, includes a housing, as well as an expandable metal member positioned about the housing, the expandable metal member comprising a metal configured to expand in response to hydrolysis. The downhole tool, according to one aspect, further includes colloid particles surrounding a surface of the expandable metal member.

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Singapore, Singapore

Roberto Vega