Lexicon of Terms

Learn how to talk like an Oilman
417 Oil & Gas and related investment terms defined.
 
Zone isolation — Sealing off a producing formation while a hole is being deepened. A special sealant is injected into the formation, where it hardens long enough for the hole to be drilled. Afterward, the substance again turns to liquid, unblocking the formation.

Zone — A specific interval of rock strata containing one or more reservoirs, used interchangeably with "formation."

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