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eProduction Solutions Launches WellFlo® 4.0 Software

Houston – May 1, 2007

Company redesigns and re-engineers production optimizing analysis software.

eProduction Solutions (eP), Weatherford International Ltd’s (NYSE:WFT) production optimization business unit, today announced the worldwide release of WellFlo software version 4.0 at the Offshore Technology Conference 2007 in Houston, Texas. The well engineering software application was completely redesigned to function more intuitively, provide more powerful features, closely match constructed well models to reality, and present a richer graphical user interface (GUI) which empowers users to do more with the models and data once acquired.

WellFlo 4.0 software works with naturally flowing well applications, gas and condensate wells, pipeline and surface equipment. It provides modeling, design and analysis for electric submersible pumps (ESP) and gas lift, inflow and outflow performance modeling and other applications. The software was specifically designed to aid petroleum engineers with five basic well completion and production engineering functions: configuration, tuning, analysis, design and output.

"This latest software development represents not only new valuable features and benefits for the users, but it is the start of integrating our software products into a powerful production optimization suite that covers well, reservoir and field operations." commented Dharmesh Mehta, Vice President of Production Optimization for Weatherford.

Unique Workflow-Based Performance

This version of the WellFlo program incorporates both software technology advances and recent progress in well design. The application was reengineered to enhance the workflow-based architecture. Rather than forcing users to adapt to the software’s needs, the product functions how they actually would engineer a well. The interface is set up in such a manner that the familiar Windows®-based environments and rigorous analysis tools can be applied in ways the engineer feels most comfortable working. New user-interface enhancements include intuitive navigation tools placed in easy “reach” locations, powerful charting capabilities and wizard-based data imports.

The software user is always one or two clicks away from external data or well tools. Built-in hooks allow this version of WellFlo software to link to real-time data and integrate with other engineering applications such as reservoir modeling packages and in-house software applications.

Weatherford obtained WellFlo software, a petroleum engineering and analysis software suite component, as port of the acquisition of Edinburgh Petroleum Services (EPS). Today, these products are bringing expanded capabilities and sales on a global scale.

eP’s lead software designer, Metin Gokdemir adds, “WellFlo 4.0 software suite was developed both as a product and a platform that we will base future design and analysis tools upon. We are all excited with the outcome and where we can go from here.”

About eProduction Solutions, Inc.

eProduction Solutions, Weatherford’s production optimization group, is a world leader of production-operations automation and optimization. They provide solutions that help lower costs and increase production by delivering advanced products and services that foster innovative approaches to optimizing production.

About Weatherford International Ltd.

Weatherford International Ltd. (www.weatherford.com) is one of the largest global providers of innovative technical solutions, technology, and services for the drilling and production sectors of the oil and gas industry. Weatherford operates in over 100 countries and employs more than 33,000 people worldwide.

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PR Contacts:
Karl Sakocius, 834-201-4200,

© 2011 Weatherford International Ltd.