1. © 2004 Weatherford. All rights reserved. Thomas Koithan Engineering Project Supervisor Software Development April 29, 2004 WITSML Approach © 2004 Weatherford. All rights reserved.

2. Why Weatherford joined the WITSML SIG  We clearly see the benefits of using WITSML technologies  We are at the starting point to implement WITSML  We need competent partners to make the approach most efficient  Having questions - here is the right place to get professional answers

3. © 2004 Weatherford. All rights reserved. WITSML Benefits  WITSML is an accepted standard with a growing demand  Reduces time to market for Applications  Avoids inefficient duplicate entry of data  Improve quality and availability of data  Report data transfer without re-keying of data  More capabilities than WITS

4. © 2004 Weatherford. All rights reserved. Use Case Interest Daily reporting Using WITSML for data transfer from database to database or Application to Application - Drilling Data for Underbalanced Drilling Services - Wellbore Geometry for Cementation Tools - Pipe Tally for Well Installation Services Exchange of BHA objects at rigsite Completion Schematic data exchange

5. © 2004 Weatherford. All rights reserved. Questions  Requirements what are the expectations from the operating companies we have to meet  Business Driver what is the benefit in using WITSML ?  Hardware Infrastructure what is needed or recommended ?  System Integration Can it be used as data exchange tool for process Data ?

6. © 2004 Weatherford. All rights reserved. Other  Benefits of accepted standards not re-inventing the wheel saving time and money standard design of reports common user interfaces  Not forgetting the people let people focus on their job and not on data interpretation prevent information overload