Shale shaker

This video shows the shale shaker, which is one of the circulating system in the rig. In this video, the water base mud (WBM) land at the possum belly into the shale shaker. The pyramid screen of API 70 (198 microns) Sieves the WBM from the drilled sand. While the sand are discharged via a convertor to the waste pit.
The top hole drilling casing is 12¹/4, viscosity is 95 quart/sec and mud weight of 8.6ppg.

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thanks for sharing