Shale lenses limit commercial application of SAGD process

12/03/2012
J.K. Dietrich The Dietrich Corp. Palm Springs, Calif. The earliest steam assisted gravity drainage (SAGD) pilot projects have been installed and operated in the Athabasca and Cold Lake oil sands of Alberta, Canada, and many of these pilots are now mature. Unfortunately, target oil production rates and thermal efficiencies have been met in only two of the 10 or more, pilots.1 2 Although problems related to steam shortages, high hydrogen sulfide concentrations and fluid saturations were responsible for poor performance in some projects, the key feature of the unsuccessful pilots was the assumption of reservoir homogeneity and a lack of awareness concerning the impedance effects caused by th...
read-story

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