U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 43Chapter IIPart 3140Subpart 3140 - Subpart 3140—Conversion of Existing Oil and Gas Leases and Valid Claims Based on Mineral Locations

GENERAL PROVISIONS
§ 3140.11 - Existing rights.
§ 3140.12 - Notice of intent to convert.
§ 3140.13 - Exploration plans.
§ 3140.14 - Other provisions.
§ 3140.1 - Purpose.
§ 3140.3 - Authority.
§ 3140.5 - Definitions.

APPLICATIONS
§ 3140.21 - Forms.
§ 3140.22 - Who may apply.
§ 3140.23 - Application requirements.

TIME LIMITATIONS
§ 3140.31 - Conversion applications.
§ 3140.32 - Action on an application.

CONVERSION
§ 3140.41 - Approval of plan of operations (and unit and operating agreements).
§ 3140.42 - Issuance of the combined hydrocarbon lease.
§ 3140.50 - Duration of the lease.
§ 3140.60 - Use of additional lands.
§ 3140.70 - Lands within the National Park System.
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