{"thcode":2,"term":{"code":2282,"name":"fluid migration","parent":451,"scope":"Movement or migration of fluids, including petroleum and other chemicals through earth materials by natural or anthropogenic forces."},"uf":[{"name":"interstitial fluid","usewith":false},{"name":"pore fluid","usewith":false}],"bt":[{"code":451,"name":"geologic processes","parent":101,"scope":"All types of processes involving geological structures."},{"code":101,"name":"biological and physical processes","parent":1174,"scope":"All continuing activities, functions, and phenomena associated with organisms and non-living matter."},{"code":1174,"name":"topics","parent":1,"scope":"Themes, subjects, and concerns for which USGS information resources are relevant."},{"code":1,"name":"Categories","parent":null,"scope":"Thematic terms for categorizing information resources.  This thesaurus is intended to support finding and understanding scientific information."}],"nt":[],"rt":[{"code":514,"name":"groundwater flow","parent":1667,"scope":"Movement of subsurface water in the saturated zone from areas of recharge to areas of discharge."},{"code":2034,"name":"hydraulic fracturing","parent":775,"scope":"Injection of water and other fluids through a well into geologic formations in order to increase the permeability of the rock units and thus permit natural gas or oil to be produced from them."},{"code":2295,"name":"hydrocarbon reservoir processes","parent":101,"scope":"Interactions among groundwater, hydrocarbons, and rock properties of subsurface geological formations, affecting the potential of those formations to form, trap, and permit the passage and extraction of hydrocarbons."}]}