HIGH-VELOCITY AND HIGH-EFFICIENCY DEVELOPMENT TECHNOLOGY OF LOW-SUPER LOW PERMEABILITY RESERVOIR IN BLOCK WEI-2

The average permeability of block Wei 2 is (6.1～13.5)×10 3 μm 2, it is a comparatively integral low and super low permeability reservoir. In the process of developing block Wei 2, we took advantage of various development technologies, including reasonable development well pattern, synchronous water injection and oil production, improving injection production system continually, intensifying adjustment and control of injection production and reservoir stimulation. From the beginning of development, the field maintains a very good situation of high and stable productivity. The recovery velocity keeps at 1.9%～2.0% in five years, the comprehensive water cut is well controlled below 18% and all kinds of development indexes are significantly better that what they are in development plan. This paper mainly aims at introducing the measures to attain high-velocity and high efficiency development at block wei 2 and the effect.