Definition(s)
Confining Zone
“Confining zone” means a geological formation, group of formations, or part of a formation that is capable of limiting fluid movement above and below an injection zone.
Source: Division of Mineral Resources Management – Oil and Gas, Ohio Administrative Code, Chapter 1501:9, January 2012. Regulations
Confining Zone
Confining Zone―the impermeable geologic formation that is located below the base of the USDW and which directly overlies and is contiguous with the injection zone.
Source: Natural Resources, Office of Conservation – General Operations, Louisiana Administrative Code, Title 43, Part XIX, March 2013. Regulations