Experience in developing a multicomponent reservoir with a thin oil rim

Abstract

This article examines the effectiveness of the implemented development systems at the South Kemachi oil and gas condensate field. As a result of the analysis and assessment of the effectiveness of the implemented development systems in the field, it was revealed that the joint development system of the deposit as a single development object leads to the loss of part of the reserves in the total share of the deposit's reserves and the reduction in recovery factors occurs in inverse proportion to the reserves of the combined horizons. In addition, it has been established that large amounts of material resources are spent on the discovery and development of hydrocarbon deposits. Therefore, the complete extraction of gas, oil, condensate and other components from the reservoir is important. Consequently, when designing various development systems and justifying the optimal option, due attention must be paid to the predicted gas and component recovery coefficients. Based on the results of many years of operation of the oil and gas condensate fields of South Kemachi, Kukdumalak, Ilim, Kruk, Zheynov, Umid and others, with the achievement of relatively high gas and oil recovery values, they demonstrate the effectiveness of the design and joint development of their oil rims and gas condensate parts.