Wu 420 Well Area Low Permeability Reservoir Development And Technological Measures

Low-permeability and ultra-low permeability oil field have become a stable development important potential for the land-based oil industry , which are the future technical direction of sustainable development.. However, Low-permeability and ultra-low permeability oil field have some features such as: Large reserves,low abundance,poor physical properties,development difficulty, how rational and effective development is a particularly important research topics for ultra-low permeability.WuQi oilfield Wu-420 Well-block reservoir has common characteristics of the low,ultra-low permeability oil field, Carried out on Wu-420 Well-block ultra-low permeability reservoir development technology policy research, not only can provide technical support for Wu-420 Well-block effective development, but also for a similar reservoir development to provide important reference values and guiding significance. For the reservoir geological features as well as in the process of developing the existing problems, the thesis carried out the following research and obtain the corresponding results:1) introduction WuQi oilfield reservoir regional geological exploration and development background, as well as shown by the early production characteristics analysis; and research reservoir distribution, reservoir thermodynamic conditions, reservoir fluid properties, reservoir of natural energy and drive type, well productivity and well-absorbent capacity, a variety of physical properties of reservoir, reservoir analysis and so on。2)Using reservoir engineering analysis methods, from the rational development of layer system, the type of pattern, reasonable well spacing, reasonable oil produced fluid strength, rational exploitation rate, a reasonable injection strength, formation pressure maintain a reasonable level, a reasonable injection-production ratio and other indicators, study identified Wu-420 wells region Development and Technology Policy Limits.3)Using numerical simulation methods, prediction under the Different conditions of the development of indicators, which include of different injection and production well pattern, well spacing, injection timing, the production of differential pressure, Fluid intensity and so on. Optimized Wu-420 Well-block reasonable reservoir development of technology policy, then give to optimize reservoir development program dynamic prediction indicators.