{"thcode":3,"term":{"code":762,"name":"oil fields","parent":643,"scope":"Areas with reserves of recoverable petroleum or where petroleum has been removed from the Earth.  [Adapted from USGS Feature Class Definitions <http:\/\/geonames.usgs.gov\/domestic\/feature_class.htm>]"},"uf":[{"name":"gas fields","usewith":false},{"name":"gasfields","usewith":false},{"name":"oilfields","usewith":false},{"name":"petroleum fields","usewith":false},{"name":"storage fields (petroleum)","usewith":false}],"bt":[{"code":643,"name":"manmade features","parent":1,"scope":null},{"code":1,"name":"Categories","parent":null,"scope":null}],"nt":[],"rt":[{"code":760,"name":"offshore platforms","parent":526,"scope":"Structures erected in a sea primarily, but not exclusively, for the extraction of petroleum products. [Adapted from USGS Circ 1048]"},{"code":1235,"name":"wells","parent":643,"scope":"Manmade shafts or holes in the Earth's surface used to obtain fluid or gaseous materials. [USGS Feature Class Definitions <http:\/\/geonames.usgs.gov\/domestic\/feature_class.htm>]"}]}