Title:

MEASUREMENT OF NON-CONDENSABLE GAS CONTENT PROFILES IN DISCHARGING WELLS USING TEMPERATURE / PRESSURE LOGS

Authors:

A. W. Clotworthy, B.C. Buiiing, Z.F. Sarmiento, R.P. Andrino, N.S. Maceda

Geo Location:

Mahanagdong, Philippines; Leyte

Conference:

Stanford Geothermal Workshop

Year:

1997

Language:

English

File Size:

147KB

View File:

Abstract:

Precision production logging tools enable the noncondensable gas (NCG) content to be measured at any point in the two-phase column above the
flashpoint 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 NCG 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 field in Leyte, Philippines are presented.


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