Chapter Completion Fluids

1. The stability of the completion fluids should be checked for well tests which will take a long time, or which have high pressures / temperatures.

2. It should be ensured that the completion fluid is compatible with the perforating underbalance cushion fluid.

3. Compatibility tests with the completion fluid and any 'soft' goods such as packer elements and seals should be carried out whenever there is any doubt about the compatibility of the products.

4. If brine is used to avoid perforating skin damage, the brine should be filtered to an irreducible minimum of solids. In addition, pits and associated pipe work should be thoroughly cleaned.

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