Public Resources Code section 3637

“Working interest” means an interest held in lands by virtue of fee title, including lands held in trust, a lease, operating agreement, or otherwise, under which the owner of such interest has the right to drill for, develop, and produce oil and gas. A working interest shall be deemed vested in the owner thereof even though his right to drill or produce may be delegated to an operator under a drilling and operating agreement, unit agreement, or other type of operating agreement.

Source: Section 3637, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=PRC§ionNum=3637.­ (updated Jan. 1, 1971; accessed Jul. 28, 2025).

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Verified:
Jul. 28, 2025

§ 3637's source at ca​.gov