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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Embodiment 1
[0032] Embodiments of the present invention provide a method for predicting reservoir productivity, such as figure 1 As shown, the method includes:
[0033] Step 101, obtaining formation parameters including formation pressure and fluidity according to the formation and fluid property information obtained by the cable formation tester;
[0034] Step 102, according to the flow process of the fluid from the bottom of the well to the wellhead, the wellhead pressure and the bottom hole flow pressure are obtained;
[0035] Step 103, generating natural production of bottomhole fluid according to formation parameters, skin coefficient, bottomhole flow pressure, and conventional logging information including oil well supply radius, wellbore radius, formation effective thickness, and fluid volume coefficient;
[0036] Step 104, obtaining fluid parameters including gas-oil ratio and fluid density according to the fluid property information;
[0037] Step 105, generating wellhead fluid...
Embodiment 2
[0060] An embodiment of the present invention also provides a reservoir productivity prediction device, which is preferably used to implement the above method. Such as image 3 As shown, the device includes:
[0061] A formation parameter acquisition unit 301, configured to acquire formation parameters including formation pressure and fluidity according to the formation and fluid property information obtained by the cable formation tester;
[0062] The wellhead bottomhole pressure acquisition unit 302 is used to acquire the wellhead pressure and the bottomhole flow pressure according to the flow process of the fluid from the bottom of the well to the wellhead;
[0063] Bottomhole fluid natural production unit 303, used to generate bottomhole fluid according to formation parameters, skin coefficient, bottomhole flow pressure, and conventional logging information including oil well supply radius, wellbore radius, formation effective thickness, and fluid volume coefficient natu...
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