Frank Benedetti was employed by Schlumberger Technology Corporation. Pursuant to that employment he worked on an oil well owned and operated by Cimarex Energy Company. On 9 December 2013 he was injured in a work accident. He sued Cimarex in the Canadian County District Court.

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Cimarex as well operator was considered to be immune from suit. The Oklahoma Workers Compensation Code [85 OS 2011 §302(A) and (H)] relevantly provided that –

The liability prescribed in this act shall be exclusive and in place of all other liability of the employer … at common law … for such injury … to the employee … except … where the employer has failed to secure the payment of compensation for the injured employee.

For the purpose of extending the immunity of this section, any operator or owner of an oil or gas well … shall be deemed to be an … employer for services performed at a drill site or location with respect to injured … workers whose immediate employer was hired by such operator or owner at the time of such injury.

The District Court summarily dismissed Benedetti’s claim. His appeal to the Court of Civil Appeals was dismissed. He appealed to the Supreme Court of Oklahoma.

The Supreme Court upheld his appeal. Following Strickland v Stephens Production Co., 2018 OK 6 it found that paragraph (H) was an unconstitutional “special law” breaching Art. 5 §59 of the Oklahoma Constitution

Laws of a general nature shall have a uniform operation throughout the State, and where a general law can be made applicable, no special law shall be enacted.

The case was remanded for further proceedings in the District Court.

Benedetti v Cimarex Energy Co, 2001 OK 21