GLOSSARY

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Water which is produced from the water reservoir and hence not adding to sweeping the hydrocarbons sweep.

It is a opposite to Good Water which is produced from the same reservoir as hydrocarbons and hence helping to sweep hydrocarbons.


Fig. 1.1.

Perforated

 Perforated reservoir A2

contributing to production with bad water as against good water in A1

producing bad water as this water is not coming along with hydrocarbons. Compare with good water production from A1, where water is coming along with hydrocarbons.

Fig. 1.2.

Non

 Non-perforated

water

reservoir A2

contributing with bad water through the behind-casing channel as against good water in A1

producing bad water as this water is not coming along with hydrocarbons. Compare with good water production in A1 which is linked to A2 through behind-casing channel.


See Also

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Petroleum Industry / Upstream /  Production / Subsurface Production / Field Study & Modelling /  Production Analysis / Watercut Diagnostics

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