Lost Circulation Specialists, Inc.

Recommended Procedure

1. Mix a 5-10 m3 of invert with approx. 35 kg/m3 concentration of Magma Fiber

2. Contain the pill separate from main mud system. Ideally a separate tank and pump would be used to isolate the pill

3. Sweep the pill once a day or shortly after penetrating a porous interval

4. Sweep more frequently in upper hole sections where R.O.P. is greatest

5. Observe mud returns over shale shaker and bypass the shaker when screen begins to bridge with Magma Fiber. Divert 1st returns to mud tank and divert rest to pill tank

6. Control pill tank volume by treating out excess invert through centrifuge

7. Add Magma Fiber as required to maintain pill concentration

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