17.08.2015   IAEA RADIATION TECHNOLOGY SERIES No

TUHA OILFIELD (CHINA)

I.6.1. Problem

A field tracer experiment was commenced by the Tuha Oil Company on 10 July 2005. The objectives of the experiment were:

— To validate 14C tagged KSCN and 60Co tagged K3[Co(CN)6] as interwell water tracers;

— To evaluate the water injection processes;

— To reveal the features of reservoir heterogeneity.

Figure 77 shows the well pattern and the tracer injection wells.

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FIG. 77. Well pattern and tracer injection wells in the Tuha oilfield.