Measurement of Non-Condensable Gas Content Profiles in Discharging Wells Using Temperature/ Pressure Logs
- Conference
- PNOC-EDC Geothermal Conference
- Year
- 1997
- Session
- Reservoir Engineering/Precious Metal Resource Assessment
- Language
- English
Full text
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Abstract
Precision production logging tools enable the non-condensable gas (NCG) content to be measured at any point in the two-phase column above the jlaslipoint in a discharging well. Pressure and temperature logs are used to derive partial pressures at various depths from which the NCG content of the fluid is calculated. The ACG content of the deep feed prior to mixing with fluid from shallower zones can be calculated. Changes in the gas partial pressure profile thus enable discrimination of high-gas feeds. Two examples from the Mahanagdong in Leyte, Philippines are presented.
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