Is there a name for resealing an aquifer at each layer? Rezonal isolation, Zonal isolation, Zonal Re-isolation?

/? Zonal isolation Wikipedia: https://www.google.com/search?q=zonal+isolation+Wikipedia :

> Well cementing, Completion, Squeeze job, Cement bond log, Casing (should prevent fluid from contaminating e.g. aquifer zones)

Orphan wells: https://en.wikipedia.org/wiki/Orphan_wells :

> they estimate there are 29 million abandoned wells internationally

Orphaned wells in the United States: https://en.wikipedia.org/wiki/Orphaned_wells_in_the_United_S... :

> According to the Government Accountability Office, the 2.1 million unplugged abandoned wells in the United States could cost as much as $300 billion