Cal. Pub. Resources Code § 6872.2
If the commission determines that any tide and submerged lands belonging to the state in the area hereinafter referred to should be drilled pursuant to the terms of Section 6872.1 of this code, then, notwithstanding the provisions of Section 6874 of this code, in order to preserve and protect the highly developed recreational and residential area now referred to, the commission shall require that any well or wells drilled pursuant to the terms of any lease issued with respect to any part of the hereinafter described area be slant-drilled from an upland or littoral site to and into the subsurface of the tide or submerged lands covered by the lease. The area to which this section is applicable is the tide and submerged lands along the coast of the Pacific Ocean south of the northerly city limits of the City of Newport Beach in Orange County to the southerly boundary of the state.
Ca. Pub. Res. Code § 6872.2