Critical tasks of the improvement of oil fields development design scientific basis.
Oil industry turned out to be without fundamental basis for solution of oil fields development design issues. Nowadays this design is carried out worse than 30-40 years ago. There is a paradoxical situation: technique and technology of oil production have been consistently evolved, and the oil recovery factor has been reduced. The paper describes the issues of oil fields development design, as well as industry problems are outlined and solution approach is represented.