{"aspect_id":"AS37","aspect_name":"volume","aspect_reference":"https://si-digital-framework.org/quantities/VOLU","aspect_symbol":null,"name":"volume barrel (petroleum U.S.)","scale_id":"SC784","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":null,"unit_id":"UN146","unit_name":"barrel (petroleum U.S.)","unit_reference":"https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#B","unit_symbol":"bbl"}