Abstract
Measuring well production per well can not only simplify the process flow, improve economic efficiency, but also reduce the development cost of the oil field. In this paper, a single-well measurement of oil well production is carried out by establishing a capacity calculation model for fracturing straight wells in tight gas reservoirs by means of gas-water phase infiltration curve. According to different permeability and porosity, several representative relative permeability curves are selected for normalization treatment, and then the angle-preserving transformation principle is used, considering the formation stress sensitivity effect and gas slip effect, as well as the stress sensitivity effect in the fracture and the effect of high-speed non-Daxi effect on gas seepage, the quasi-pressure function is introduced, and the capacity calculation model of the fracturing straight well of the tight gas reservoir is established, so as to achieve the calculation of the yield.
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