| The Sa Zhong oilfield in more than 40 years of oil in the development of the wells based Web development,an encryption adjustments,Gao Taizi sub-reservoir development,2 encryption adjustments and 4 of block 3 of the encryption,such as phase,has already formed a more wells,more than two layers of mutual improvement note the relationship of the situation,and in the production stage to the better results.Through the strengthening water tank,improve water quality,the encryption wells,on several occasions,wells,and adjust the system,change in production patterns,as well as a large marketing polymer drive oil technology,so that reserves are increasing,and ensure that the Da Qing oilfield in production.The oilfield After 50 years of development in the oil production has experienced a rise in the stage production stage,but at present,oilfield has entered the high-water-in-Fuel output of the period declining phase,oilfield development are faced with high-water-in-fuel,high-output,high-decrement the "3 high" situation,the crude oil production is declining trend,new reserves in old area has been on the decline,and facilities on the ground seriously aging oilfields,the highest water-cut-period for the development conflicts,old area potentials markedly more difficult.Current oil integrated water-in-Fuel rate and up to 91 per cent,and from the water drive mining situation,and the measures in effect oil has changed for the worse,the level of water-in-between differences only 3 to 4 of 100 points,with the structural adjustment of the room is very small,and adjust the level of difficulty increased,and within the next two years will be faced with major oil reservoir and class 2 reservoir polymer drive oil exploitation and ASP Combination Flooding oil exploitation of both development situation,and the situation of the water drive and 3 oil exploitation and interference become more and more serious,and the development of the oilfield development technology policy limits there is a part of and not to adapt to the current diversity of exploitation by the reservoir situation.Therefore,the high-water-in-fuel,accurate residual oil distribution of the old oilfield adjustment program for the development and production development potentials measures to meet the national demand for energy and oilfields to adapt to their sustainable development needs and to realize oil economic benefits,has become an oilfield development workers need to be placed on the study of new topics.This document in the context of the current development and research of North District The East class 2 oil wells,improve the regional PI group note the relationship to develop the region’s remaining oil integrated potentials.Despite the current remaining oil potential,and distribution patterns of the study there are many ways,but the remaining oil distribution of complexity,and related information of the binding nature of,as well as the limitations of various methods,and the research results there is a difference,and the lack of contact.For that reason,this increase in individual remaining oil research skills must be accompanied by fully utilizing the static geological" and the "dynamic" of the relevant information,the fine reservoir descriptions,on the basis of the North the area off the eastern main reservoir after many years of follow-up the drive,you are still unable to tapping the potential of the remaining oil-rich experience of identification,and by improving the level of control,tapping the potential 250 m from wells without the ability to control the rivers edge,lump-sand,river-sand and the layer remaining oil,oil slick,efficient development. |
