Research on cascade development scheme from Pengshui hydropower station to the river mouth of the main Wujiang river;

In light of the applied defects of subjective and objective weight assignment methods of the appraisal approaches for oil-gas field development, the TOPSIS method to comprehensively evaluate the development scheme of oil-gas field is presented.

Before and during drilling, its development program was optimized and adjusted.

Reservoir development program contains a number of technological and economic targets, The dimensions of the unit value indicators and targets are often not integrated, the development program is good or bad on one target is relative, has not definite boundary and is fuzzy .

The basic principles of multi-goal decisionmaking and idealized pattern are used to establish a mathematical model for selecting oilfield development project, by which integrally the indexes of oilfield development effect, direct economic efficiency and social efficiency are considered for an optimal selection from 6 oilfield development projects.

Effective techno-economic evaluation on the development project plays an important role in the formulation and implementation of whole gas reservoir.

Its processes are that first,it is to establish an evaluation model for the oil-gas field development projects,in the second place,the optimal normal value is calculated out by means of the optimum seeking method in order to determine the optimal objects,at last,according to its order.

To draw up a scientific,reasonable and feasible exploitation scheme of a project area for its integrated developmem of agricultural resources is an important task to the integrated development of agricultural resources.