Cementing PWS casing at Mingomba/ Kobold project
- ewajeds
- May 8
- 1 min read
This project involved diamond drilling through reinforced concrete pylons at Mopani Mindola Head Gear to a depth of 20 meters using a PQ bit, followed by bottom-hole grouting to seal the borehole. Water leakage was tested with a packer test up to 8 meters, then pressure grouting was performed at a 1:1 ratio and 4 bars, with two stages of grouting and a 36-hour setting period.









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