Explain Diamond and Calyx Drilling

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written 7.3 years ago by

himanshuumeshjha • 80

1 Calyx drilling

Method of core drilling performed by the rotation of a steel cylinder and cutting with chilled shot, about 2.4 mm diameter, which cuts a formation core.
Circulating water carries the cuttings up to a basket-like space at the top of the core barrel.
The core is wedged …

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