30 C.F.R. § 202.101 Standards for reporting and paying royalties.
Title 30 - Mineral Resources
Oil volumes are to be reported in barrels of clean oil of 42 standard U.S. gallons (231 cubic inches each) at 60 °F. When reporting oil volumes for royalty purposes, corrections must have been made for Basic Sediment and Water (BS&W) and other impurities. Reported American Petroleum Institute (API) oil gravities are to be those determined in accordance with standard industry procedures after correction to 60 °F. [53 FR 1217, Jan. 15, 1988]
Title 30: Mineral Resources
PART 202—ROYALTIES
Subpart C—Federal and Indian Oil
§ 202.101 Standards for reporting and paying royalties.

