Hole Conditioning before Running Casing or Liner
The hole conditioning guidelines described in this article should be adhered to in order to safely and successfully run the casing/ liner into the open hole.
Driven or pre-installed: No hole conditioning necessary
- Hole section drilled with seawater/high viscosity sweeps/native clay system with returns to sea bed
- At casing point circulate and condition the mud at the maximum rate until shakers are clean, gas levels are acceptable and mud is in specification
- Sweep the hole with . . .
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