Proof Load Test Mast raising Sheaves.

Discussion Forum > Drilling Equipment > Proof Load Test Mast raising Sheaves.

30 January 2026

Good day everyone,

I'm seeking the advice from the members of this esteemed forum.

The sheaves used to lower or raise the mast: are they subjected to PROOF LOAD TEST or not ? Is there any API recommendation or not?!

Please help me with some guidance

regards

ZIANI

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