Measurement

(1) Each contractor shall supply, operate and maintain equipment for measuring the volume and quality of any petroleum produced and saved pursuant to his contract, including gravity, density, temperature and pressure measuring devices and any other devices that may be required, and all such equipment and devices shall, prior to their installation or usage be approved by the Inspector and following such installation or usage shall not be replaced or altered without the prior approval of the Inspector. (2) Measurement equipment and devices shall be available for inspection and testing at all reasonable times by the Inspector or any person duly authorized by him– Provided that any such inspection or testing shall not interfere with the normal operation of the facilities involved. (3) Each contractor shall measure the volume and quality of the petroleum produced and saved pursuant to his contract, consistent with generally accepted practices in the international petroleum industry, with the frequency and according to procedures which shall be approved by the Minister. (4) Each contractor shall give to the Minister timely notice of his intention to conduct measuring operations and the Minister shall have the right to be present at and supervise, either directly or through authorized persons, such operations. 25 Petroleum (5) Where it is determined, following an inspection or test carried out by an authorized person, that the equipment, devices or procedures used for measurement are inaccurate and exceed the permissible tolerances approved under subregulation (1) of this Regulation which shall be established by prior approval to the installation and usage of such equipment, devices or procedures, and such determination is verified by an independent surveyor acceptable to the Minister and the contractor, such inaccuracy shall be deemed to have existed for one-half of the period since the last such inspection or test, unless it is proved that the inaccuracy has been in existence for a longer or shorter period, and appropriate adjustments covering such period shall be made within thirty days from date of such determination. Returns, Records, Plans, etc.