Who Leads in Drilling Contractor Garden Health?

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A drilling contractor ranking based on welfare telemetry looks different from one based on TRIR or LTIR alone. The top six contractors hold 31B in backlog and report safety performance in conventional terms. This post examines what a garden-health ranking would add and what it would reveal that conventional rankings do not.

The top six drilling contractors held a combined $31.17 billion in backlog heading into Q1 2025, according to Offshore Energy coverage of the Big 6 contractor backlog. Transocean, Noble, Valaris, Seadrill, ADES, and Shelf Drilling. Each publishes safety statistics in a broadly similar format — TRIR, LTIR, fatality counts, near-miss ratios — and each gets compared against the others on those numbers.

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