Oregon Revised Statutes Public Lands § 274.805

Unless otherwise determined by the Department of State Lands, each well drilled pursuant to the terms of the lease may be drilled or slant drilled to and into the subsurface of the lands covered by the lease from upland or littoral drill sites owned or controlled by the state or owned by or available to the lessee, or from drill sites located upon any filled lands heretofore or hereafter filled, whether contiguous or noncontiguous to the littoral lands or uplands, or from any pier heretofore or hereafter constructed owned by or available to the lessee and available for such purpose, or from platforms or other fixed or floating structures in, on or over the lands covered by the lease or otherwise available to the lessee.