US refiners continue to process crudes with lower gravity, higher sulfur

The gravities of crude oils processed in US refineries have slowed from a previously rapid decline in quality to a decrease of 0.10° API/year during 1994-2003. In that same period, there was a moderate increase in sulfur content of the lower-quality crudes, about 0.038 wt %/year. Click here to enlarge imageThe US Energy Information Administration (EIA) began reporting monthly and yearly composite values of °API and sulfur content of crude oils processed within five Petroleum Administration for Defense Districts (PADDs) 20 years ago. Table 1 shows the latest 10-year (1994-2003) historical composite values of API gravity and sulfur content of crude oils processed by refineries in...

Why Register?

Non-subscribers can only view whitepapers by providing name, home and email address, phone number and other information and comment on/rate articles.

Why Subscribe?

Oil & Gas Journal subscribers with login credentials can access these premium features of OGJ Online:

  • Current Issue – an html version of the current week's issue of Oil & Gas Journal.
  • Past Issues – An Electronic OGJ Archive. A keyword-searchable archive of all issues of Oil & Gas Journal dating back to 1990; also searchable by issue date.
  • Market Journal – a weekly round-up of the oil and gas markets, with observations from leading analysts.
  • Editor's Perspective – a short article of insight and opinion by the Editor of Oil & Gas Journal.
  • OGJ Industry Stats – quick access to current industry statistics from Oil & Gas Journal.
  • OGJ Survey Downloads - quick access to exclusive reports from Oil & Gas Journal.


Subscriber Help or Subscribe

Oil & Gas Journal Subscribers: Have your subscription number (from the mailing label on the cover of your Oil & Gas Journal) and e-mail address ready to set up your online account through Customer Service Assistant.

If you're not an Oil & Gas Journal subscriber, start a subscription and gain access to the subscriber areas of OGJ Online now.

Stay Connected