Press Esc to close



For full content view: Log in Now!

  • Advances in subsea interventions

    Jeanne M. Perdue

    There are about 4,000 subsea wells producing oil and gas around the world, and with many now over a decade old, intervention is crucial to maintain production volumes. However, subsea well intervention is a time-consuming, costly activity, with heavy rig costs running up to $1 million per day. Several companies have been developing more cost-effective workovers, downhole completion equipment and P&As of subsea wells in various water depths. Here are the latest innovations from Expro, FMC Technologies, Superior Energy Services, Blue Ocean, Lewis and others, including some new underwater technologies to make subsea operations easier.

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