Unintentional commingled production from non-perforated reservoir.
Thief reservoir can produce water, oil or gas but in all cases it will be diagnosed as thief production as it was not meant to be produced by this well by well design.
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| Fig. 1. Typical schematic of thief water production from overlying reservoir |
See Also
Petroleum Industry / Upstream / Production / Subsurface Production Operations / Subsurface Production Complications