Increase WCT please helpe

[bayan]

we saw that WCT always increase after any workover about 1-2% ,the formation is sandstone,ESP lift
please advice what the reasons possibles
thnk you in advance

[mohamed_B]

Hey,
It could be a stagned water in the bottom and the well could'nt lift before pump installation.
Or water used in the workover.
Or water by crossflow during the shut in period if you have multi-layered reservoirs.

[bayan]

Thank you so muc

[mohamed_B]

you are welcome, hope that it was usefull for you

[ELgharib]

Which chemical do you inject?? It could be related to the type of chemical?? Any acid injected after the Workover??