Potential Analysis Of Remaining Oil And Infill Program Adjustments In Third Operation District Of Shuguang Oil Production Plant

The Third Operation District of Shuguang Oil Production Plant is located in the Ministry of increased disk of DU 32 fault, of the middle section of western slope, of the western depression of Liaohe basin ,close to the First Operation District on west ,close to the Forth Operation districts on east, is one of the main development block of Shuguang Oil Production Plant. And the oil reserves is more focused, and geological conditions is more complicated.The structure is the monoclinic structure, Developed on the background slope, and Complicated by faults, and Work area size is about 21.0Km2.The main purpose layers is Dujiatai reservoir of four paragraph in Shahejie Group in Tertiary, the average effective thickness of reservoir 8.7m, oil-bearing area of 19.0 km2, crude oil reserves 2244104t.In response to these problems, to achieve stable oil fields and increase production in The Third Operation District of Shuguang Oil Production Plant , the infill project adjustment is urgent, but a full encryption is not possible for the old area, so sporadic encryption is taken for old oil fields based on the the remaining oil describe. According to the characteristics of geology and development information, this paper combines several methods, such as dynamic analysis, facies analysis, storage rate estimates and water drive curve, to determine the distribution of remaining oil in the area.This paper proposed, Layers division and the determination of the flooding pattern are important factors of effecting reservoir development and necessary guarantee to improve reservoir development, and proposed One of the main means of capacity building in oil base areas is injection patterns infilling. This paper proposed, the general principle of infilling in old area, and drilling success rate and production effect can be improved by the development of horizontal well. The proposed Well encryption scheme is based on detailed study of remaining oil, through the formula of the well density on the recovery, analysis theoretically incremental recoverable reserves through an encrypted. At the same time, with well productivity formula, make a prediction on infill single well production capacity, old well productivity, and the incremental capacity encrypted. A solid foundation is laid for the next project adjustment and economic evaluation.