ESTIMATION ON REMAINING RESERVE OF OIL AND GAS BY USING MATERIAL BALANCE METHOD IN MANN OIL FIELD

Petroleum Engineering

Where gravitational segregation occurs during production so that a gas cap forms, if the producing wells are completed low in the formation, their gas oil ratio will be lower and recovery will be improved. The remaining reserve depends on the production points that selected to represent the real well behavior, the way of dealing with the production data, and the human errors that might happen during the life of the field. Reserves estimating methods are usually categorized into three families: analogy, volumetric, and performance techniques. The performance-techniques methods usually are subdivided into simulation studies, material balance calculations, and decline-trend analyses. Reserve Estimators should utilize the particular methods, and the number of methods, which in their professional judgment are most appropriate given; (i)the geographic location, formation characteristics and nature of the property or group of properties with respect to which reserves are being estimated (ii)the amount and quality of available data and (iii)the significance of such property or group of properties in relation to the oil and gas properties with respect to which reserves are being estimated. This research paper is focused to estimate the current production rate of the wells and to predict field remaining reserves by using the geological configuration and the historical production data from CD(3700- 3800) sand in Mann Oil Field.

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