Lost Circulation

Lost Circulation

Lost Circulation is not always a major problem; however, the procedure below should be followed when losses do occur:

1. Check surface equipment for leaks. If this fails to show any signs of leakage, proceed as usual in such cases, e.g. reduce mud weight if safe to do so.

2. When the level in the annulus is out of sight fill up the annulus with water to establish a fluid level.

CAUTION NEVER PULL OUT WHEN CIRCULATION IS LOST AND THE LEVEL CANNOT BE SEEN.

3. Do not . . .

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