Press Esc to close



For full content view: Log in Now!

  • Editorial comment

    Perry A. Fischer, Editor

    We humans haven’t cared about how natural anything in our lives was - at least not until “food” vendors started telling us that their manufactured, processed-caloric fodder was “natural” on the package. Yet, as a remarkably stupid political backlash for and against global warming, the naturalness of the phenomenon is of utmost importance. It’s as if another ice age or an inland sea was perfectly OK with folks. A friend and I were talking about the billionaire Richard Branson’s offer of $25 million to anyone who can figure out a viable way to remove at least a billion tons of carbon dioxide a year from the Earth’s atmosphere. I wondered if CO2 escaping from a volcano would qualify as being part of the atmosphere. “Would some sort of loose-fitting dome over the richest CO2-belching volcano, followed by deep-sea sequestration, work?” “No, it wouldn’t,” he answered, “because that’s natural CO2.” “How would that matter?” I asked.

This area of the site is restricted. In order to gain access, please either Log In, or subscribe to World Oil.

Two options are available to you for creating an account.

1. Get a Free Trial Subscription to World Oil Magazine and gain immediate access to select content on World Oil Online.

Start a Free Trial Subscription and gain immediate access to the complete current issue of World Oil Magazine. Plus, you’ll receive 3 upcoming issues of World Oil Magazine in print or digital format.* You also receive access to the Energy Events Calendar, Industry Statistics and WO Wire’s news and industry coverage.

Free Trial

2. Purchase a subscription to World Oil magazine and gain immediate and complete access to World Oil Online. As a Total Access subscriber you will have access to all areas of the site available to registered users and free subscribers as well as having access to such premium content areas as:

  • The Archives section containing over ten years of complete magazine archives,
  • The WO DataHub's engineering tables and directories,
  • The World Oil annual forecasts, including past predictions,
  • Select World Oil technical handbooks,
  • And much, much more!


Physical copies of this content may be available for purchase. Visit the Reprints & Back Issues section.

If you are already a paid subscriber and do not have access, please email



Engineering Data Tables

World Oil's specialized upstream Engineering Data Tables featuring the Drill Bit Classifier, Tubing Tables and more. Get Total Access today.


2013 Fracturing Technology

2013 Fracturing Technology