---
kind: "unit"
title: "30"
title_heading: "Mineral Resources"
key: "chII/subchB/part251"
level: "part"
label: "Part 251"
heading: "Geological and Geophysical (g&g) Explorations of the Outer Continental Shelf"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/30/chII-subchB-part251"
sections_count: 7
---

# Part 251 — Geological and Geophysical (g&g) Explorations of the Outer Continental Shelf

Title 30 C.F.R. — Mineral Resources › Chapter II — Bureau of Safety and Environmental Enforcement, Department of the Interior › Subchapter B — Offshore

## Sections

- [§251.1. Definitions.](/cfr/30/251.1.md)
- [§251.2. Reserved](/cfr/30/251.2.md)
- [§251.3. Authority and applicability of this part.](/cfr/30/251.3.md)
- [§251.4-251.6. Reserved](/cfr/30/251.4-251.6.md)
- [§251.7. Test drilling activities under a permit.](/cfr/30/251.7.md)
- [§251.8-251.14. Reserved](/cfr/30/251.8-251.14.md)
- [§251.15. Authority for information collection.](/cfr/30/251.15.md)