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II. IEA GEOTHERMAL R&T PROGRAMME ANNEX VII logging tools to support this drilling program. Sverrir indicated that he planned to draft an "Offer Sheet" for circulation among Annex VII participants, which would describe detailed plans for upcoming wells. David Nieva agreed to have a CFE representative contact the Subtask C leader to discuss possibilities for technology demonstrations in conjunction with production geothermal drilling in Mexico. Sandia Labs has agreed to supply a high temperature (300oC) down hole tool to support long- term pressure and temperature monitoring in a geothermal well in Australia. 5.3 Work Performed in 2004 The Annex VII working group met twice in 2004: on 17 March 2004 at IEA Headquarters in Paris, France, and on 12 October 2004 in Pisa, Italy. All Subtasks were discussed at each of these meetings, with extensive input from participants. Although Subtask objectives are fairly clear and, in some cases, specific work assignments have been defined, a serious shortcoming in the work process is the funding mechanism under which the Annex operates. Because the Annex is structured in a task- sharing mode rather than cost-sharing, the labour-intensive activities such as data collection for Subtask A and writing/editing for Subtask B have very little support. This situation has been reported in some detail to the Executive Committee, and progress by the working group is somewhat dependent on the resolution. Each attendee provided brief introductory remarks and indicated his organization’s interest in geothermal drilling in general and Annex VII in particular. The principal objectives were to update progress on the sub-tasks and to determine further actions needed to maintain progress. A review of the discussions and decisions made at the two meetings is presented for each Subtask. 5.3.1 Subtask A- Compile geothermal Welling Drilling Cost and Performance Information Meeting of 17 March 2004 Data on well cost are difficult to obtain. Thus far, the cost database only has information for 3 Japanese wells, 3 Mexican wells, and 1 US well. Information for 3 more Mexican wells was in preparation as of the last meeting in Reykjavik, but the current status of that data is unknown. Well performance data, especially well depth versus drilling time, are much easier to obtain than cost data. The database contains performance information on 27 wells from Iceland. New Zealand may be able to offer data from six wells, and the European Commission can provide data from two wells at Soultz. Sandia has thus far been unsuccessful in obtaining data from US companies. Satoshi Kubo left NEDO at the end of March, ending his active leadership of Subtask A. Apparently, NEDO intend to withdraw from the Annex. NEDO’s departure leaves the question of who will succeed as Subtask Leader. CFE may be interested, however, should they decline, inquiries are being made to see if Sandia could assume the leadership. All Participants will provide additional well data for the database from their available sources. Sources in the Philippines and Indonesia will be contacted for possible well data. IEA Geothermal R&T Annual Report 2004.doc 38PDF Image | Geothermal Energy Annual Report 2004
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