{"thcode":2,"term":{"code":2021,"name":"enhanced oil recovery","parent":775,"scope":"Injection of steam, gas, or other chemical compounds into hydrocarbon reservoirs to stimulate the production of usable oil beyond what is possible through natural pressure, water injection, and pumping at the wellhead."},"uf":[{"name":"EOR","usewith":false},{"name":"tertiary oil recovery","usewith":false}],"bt":[{"code":775,"name":"natural resource extraction","parent":1174,"scope":"Removal of natural materials or properties (such as heat) for use."},{"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":[]}