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(1) As directed by the board, surveys shall be made of the reservoirs or pools in this state containing oil and gas. These surveys shall be thorough and complete and shall be made by the operator or his agent under the supervision of agents of the board. The condition of the reservoirs or pools containing oil and gas, and the practices and methods employed by the operators shall be investigated.

(2) The source of crude oil and natural gas, the pressure of the reservoir as an average, the areas of regional or differential pressure, stabilized gas-oil ratios and water-oil ratios, and the producing characteristics of the field as a whole and of the individual wells within the field shall be specifically included.

(3) Provided, however, the board will accept from the field engineering committees (petroleum engineering, geological, and statistical groups) or persons engaged in the petroleum industry in such an advisory capacity a periodic record of the physical behavior of the oil and gas reservoirs of Montana. These factual data shall be gathered and arranged in such fashion as to permit rapid evaluation by the board of the oil and gas recovery efficiency of the individual reservoir or pools.

History: 82-11-111, MCA; IMP, 82-11-123, 82-11-124, MCA; Eff. 12/31/72; AMD, 1982 MAR p. 1398, Eff. 7/16/82.

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