Archie's method

The May 1, 2000, issue of Oil & Gas Journal carries a feature that begins on page 45 under the headlines "Petrophysical insights contradict Archie's equation" by Lanny Dunham. The article claims in its first paragraph that evidence shows that produced water from hydrocarbon-bearing intervals may have higher resistivity than water in adjacent water-filled reservoir intervals. It goes on to claim in the second paragraph that:"If true, this would indicate that the Archie equationellipseis invalid."From this the subtitle of the article is drawn.The article then goes on for several pages.I have to observe that from a logical point of view all that is indicated in the first paragraph is tha...

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