Revision as of 11:25, 24 October 2018 edit 91.133.149.197 (talk) →API gravity formulas ← Previous edit		Revision as of 03:11, 12 September 2019 edit undo Monkbot (talk \| contribs) Bots 3,695,952 edits m →Classifications or grades: Task 16: replaced (1×) / removed (0×) deprecated \|dead-url= and \|deadurl= with \|url-status=; Tag: AWB Next edit →
Line 41: ==Classifications or grades== Generally speaking, oil with an API gravity between 40 and 45° commands the highest prices. Above 45°, the molecular chains become shorter and less valuable to refineries.<ref>{{cite web\|title=Comments on Crude Oil Gravity Adjustments \|url=http://dnr.louisiana.gov/sec/execdiv/techasmt/oil_gas/crude_oil_gravity/comments_1989.htm \|archive-url=https://web.archive.org/web/20060502160519/http://dnr.louisiana.gov/sec/execdiv/techasmt/oil_gas/crude_oil_gravity/comments_1989.htm \|~~dead-~~url-status=~~yes~~dead \|archive-date=2 May 2006 \|publisher=Louisiana Department of Natural Resources \|accessdate=6 January 2014 }}</ref> [[Crude oil]] is classified as light, medium, or heavy according to its measured API gravity.

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