2. For the purposes of this Act,“brine” means any natural aqueous solution containing more than 4% by weight of dissolved solids;
“gas” means natural gas extracted from the subsoil and includes all substances, other than oil, that are produced with natural gas;
“oil” means crude oil, regardless of gravity, produced at a well head in liquid form and any other hydrocarbons, except coal and gas, and, in particular, hydrocarbons that may be extracted or recovered from deposits of oil sand, bitumen, bituminous sand, oil shale or from any other types of deposits on the subsoil;
“petroleum” means oil and gas;
“stratigraphic survey”” means any opening in the ground, other than a seismic shotpoint, that is made to collect data on a geological formation, using samples and their analysis and technical surveys, conducted as part of preliminary investigations to eventually locate, design and construct a drilling site for exploration for or the production of petroleum or brine, or for exploration for or the operation of an underground reservoir and the well or wells which will be present on the site;
“underground reservoir” means any subsurface geological environment that contains or may contain petroleum in a natural porosity system or in a source rock;
“well” means any opening in the ground on a drilling site, other than a seismic shotpoint, that is made, is in the process of being made or is projected to be made for the purpose of exploring for, obtaining or producing petroleum, of withdrawing water to inject into an underground formation, of injecting gas, air, water or any other substance into such an underground formation, or for any other purpose.