QWP After Water Injection Station Project Economic Evaluation Research

Prolong oil as the old oil enterprises in our country, it has a history of hundreds of years,the scale, production, technology and staff and infrastructure has been increasing continuously.But so far, prolong oil field for almost no project economic evaluation, but only some of the economic evaluation is also in the project construction before the economic situation of the project will be a feasibility analysis and economic estimation, no combination for economic evaluation of advanced research results at home and abroad to objective and reasonable economic evaluation with economic evaluation after project construction has not so far, so it caused the various projects in the process of actual use, easily because of the policies and regulations, the change of market environment, ecological environment makes the economy out of the estimation of construction before. How to base on its northern shaanxi environment factor, combined with the characteristics of QWP water injection station project, the use of advanced economic evaluation research results at home and abroad on the construction of economic evaluation, will be the key research problems.QingHuaBian prolong oilfield production plant QWP water injection station project with large investment, complex surrounding environment, use cycle is long, and for the many oil Wells in low permeability oil Wells, etc. By analyzing the case of QWP water injection station project as the research study after the construction of economic evaluation. This paper studies the related theory of economic evaluation, this paper introduces the concept of fuzzy hierarchy comprehensive method and train of thought; Subsequently extended oilfield are introduced QingHuaBian production plant QWP water injection station basic situation of the project, and the economic situation in recent years has carried on the basic analysis and summary, at the same time, the economic evaluation of each index factor has carried on the simple classification and recognition; Then using analytic hierarchy process(ahp) and fuzzy mathematics method to QWP water injection station project economic evaluation, established the weight of the project economic evaluation set, complete the calculation of weight set,determine the weight factor of sorting, at the same time establish economic evaluation matrix,and the matrix calculation, and calculate the primary index factors of ambiguity, reuse the weight factors and index of fuzziness, calculate the QWP water injection station project of thefinal evaluation result; Finally the result of the identification, analysis and evaluation, puts forward corresponding macroeconomic regulation and control measures and solutions.Considering the special climate, natural environment, northern shaanxi to QWP water injection station after construction project economic evaluation research is the research focus,is an important part of project management theory, to improve the extension of the oil QingHuaBian production plant project management system is of great significance.