California Code, Public Resources Code - PRC § 3726

Any person who engages in the drilling, redrilling, deepening, maintaining, or abandoning of one or more wells at any time, may file with the supervisor one bond for one hundred thousand dollars ($100,000) to cover all his operations in drilling, redrilling, deepening, maintaining, or abandoning of any of his wells in this state in lieu of an individual indemnity bond for each such operation as required by Section 3725 or 3725.5. The bond shall be executed by such person, as principal, and by an authorized surety company, as surety, and shall be in substantially the same language and upon the same conditions as provided in Section 3725, except as to the difference in the amount.