OAR 632-010-0020: Surface Equipment

Meter fittings of adequate size to measure the gas efficiency for the purpose of obtaining gas-oil ratios must be installed on the gas vent-line of every separator. Wellhead equipment must be installed and maintained in good operating condition so that static bottom hole pressure may be obtained at any time by the duly authorized agents of the board or the department. Valves must be installed so that pressures can be readily obtained on both casing and tubing.