A method for determining the optimal nozzle size for volumetric fracturing wells with tight oil
A technology for volume fracturing and determination of methods, applied in the fields of fluid production, earthwork drilling, wellbore/well components, etc. The effect of high production and stable production of oil wells
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[0057] A method for determining the optimal nozzle size of a tight oil volume fracturing well, comprising the following steps:
[0058] (1) Analyze the productivity test data of well X1, the target horizontal well in the reservoir, and obtain the basic data of well X1. The results are shown in Table 1:
[0059] Table 1 Basic data of Well X1
[0060]
[0061]
[0062] The formation pressure described in Table 1 is obtained through the following sub-steps: According to the bottom hole flowing pressure and the liquid production rate, regression is obtained as follows figure 1 The IPR curve shown; the formation pressure is extrapolated from the IPR curve. It should be noted that the formation pressure can also be obtained by other methods in the prior art.
[0063] (2) According to the basic data, determine the reasonable choke size of the target well, specifically obtained through the following sub-steps: According to the production pressure difference, water production r...
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