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Abstract:
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.

Biography: 

Roland N. Horne is the Thomas Davies Barrow Professor of Earth Sciences, Professor of Energy Resources Engineering, at Stanford University, USA. 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.

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The Denver Section is proud to honor Darien O'Brien as the recipient of the 2008 SPE Regional Service Award for exceptional contributions to SPE.  Presenting the award to Darien are (L to R), Michael Tunstall, Helen Chang, Darien O'Brien (Awardee), Kumar Ramurthy and Mark Shaefer.

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SPE is proud to announce the 2008 recipients of the President's Award for Section Excellence.  Mark Shaefer (far right) accepts the award for the Denver Section from William M. Cobb, center, the 2008 SPE President.

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SPE is proud to announce the 2007 recipients of the President's Award for Section Excellence.  Trent Green accepts the award for the Denver Section from Jaleel Al-Khalifa, center, the 2007 SPE President.

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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.