Lithium 6104 in Population II stars

Payload container and system for delivering a payload to a wellbore, the payload container includes a blister container having a cavity formed therein and an edge about the perimeter of the cavity, one or more payload substances contained within the cavity, a lidding material to cover the cavity, and optionally, an adhesive to bond the lidding material to the edge of the cavity, so that the one or more payload substances can be released in response to an external stimulus. The wellbore payload delivery system includes a plurality of payload containers and a pump system for injecting the one or more payload containers into a wellbore, the pump system has a pump and a length of tubing coupled with the pump and extending to a zone of a subterranean formation adjacent to the wellbore.