In Oklahoma it is unlawful to willfully delay or obstruct any public officer in the discharge or attempt to discharge any duty of his office.
Punishment for Obstructing an Officer In Tulsa
Okla. Stat. tit. 21 § 540
Obstruction of an officer in the discharge his duty is a misdemeanor.
Title 21. Crimes and Punishments
Chapter 19 – Other Crimes Against Public Justice Section 540 – Obstruction of Public Officer
Any person who willfully delays or obstructs any public officer in the discharge or attempt to discharge any duty of his office, is guilty of a misdemeanor.