Method and device for forecasting reservoir yield
A prediction method and reservoir technology, applied in the field of petroleum geological exploration, can solve problems such as large errors in prediction methods, and achieve the effect of improving accuracy
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[0031] Example one
[0032] The embodiment of the present invention provides a method for predicting reservoir productivity, such as figure 1 As shown, the method includes:
[0033] Step 101: Obtain formation parameters including formation pressure and mobility according to the formation and fluid property information obtained by the cable formation tester;
[0034] Step 102: Obtain wellhead pressure and bottom hole flow pressure according to the flow process of fluid from the bottom of the well to the wellhead;
[0035] Step 103: Generate natural bottom hole fluid production based on formation parameters, skin coefficient, bottom hole flow pressure, and conventional logging information including oil well oil supply radius, well bore radius, effective formation thickness, and fluid volume factor;
[0036] Step 104: Acquire fluid parameters including gas-oil ratio and fluid density according to the fluid property information;
[0037] Step 105: Generate wellhead fluid production accordin...
Example Embodiment
[0059] Example two
[0060] The embodiment of the present invention also provides a device for predicting reservoir productivity, which is preferably used to implement the above method. Such as image 3 As shown, the device includes:
[0061] The formation parameter acquisition unit 301 is configured to acquire formation parameters including formation pressure and mobility according to the formation and fluid property information acquired by the cable formation tester;
[0062] The wellhead bottom hole pressure obtaining unit 302 is used to obtain wellhead pressure and bottom hole flowing pressure according to the flow process of fluid from the bottom of the well to the wellhead;
[0063] The bottom hole fluid natural production generation unit 303 is used to generate bottom hole fluid according to formation parameters, skin coefficient, bottom hole flow pressure, and conventional logging information including oil well oil supply radius, wellbore radius, effective formation thickness,...
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