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Petroleum Technology Forum, Novmeber 10, 2009

The next Petroleum Technology Forum will be held on Tuesday, November 10, 2009 at the Long Beach Petroleum Club, 3636 Linden Avenue, Long Beach, CA 90807. The speaker will be SPE distinguished lecturer Roland N. Horne. He will present “Listening to the Reservoir – Interpreting Data from Permanent Downhole Gauges”. Abstract and speaker bio follow.

Long Beach Petroleum Club
3636 Linden Avenue
Long Beach, CA 90807
Registration: 11:30 AM
Buffet Lunch: 11:30 AM
Presentation: 12:00-1:00 PM
$20.00 members,
Free for students.

Listening to the Reservoir – Interpreting Data from Permanent Downhole Gauges

by Roland N. Horne, Stanford University

The permanent downhole pressure gauge is a class of tool recently harnessed in the industry. These tools are installed during the well completion and provide a continuous record of pressure changes during production. Permanent downhole gauges have the potential to provide more information than the traditional well test, which is carried out for a relatively short duration. Permanent downhole gauges may provide useful information regarding changes in reservoir properties or well condition with time as the reservoir is produced.

However interpretation of permanent downhole gauge data is a new problem. First, unlike the traditional well test where “disturbances” in reservoir (i.e. rates) are created and pressure and rates are both known, in the record from the permanent downhole gauge, the changes in rates may not be properly known. Moreover, the dynamic changes in the reservoir, along with changes in the flowing temperature or in the gauge itself, make the data more complicated to interpret. Permanent downhole gauges are being applied widely now, yet there is still much to be done to capitalize fully on all the advantages they can offer.

Roland N. HorneRoland N. Horne is the Thomas Davies Barrow Professor of Earth Sciences, Professor of Energy Resources Engineering at Stanford University, and is a member of the US National Academy of Engineering. He is an Honorary and Distinguished Member of SPE and recipient of both the Lester C. Uren and John Franklin Carll Awards. He has written more than 150 technical papers in scientific journals and international meetings.

Katherine Wallgren, Forum Chairperson,

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