Formation pressure prediction method and system for exploratory wells
A technology of formation pressure and prediction method, which is applied in the field of oil and gas geophysical exploration, can solve problems such as difficult to obtain pressure prediction results, and achieve the effect of improving pressure prediction accuracy
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[0050] Preferred embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although preferred embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
[0051] The invention provides a method for predicting the formation pressure of an exploration well, the method comprising:
[0052] Calculate the untested rock density curve of shallow well logging and splicing it with the density curve obtained from well logging to obtain the density curve ρ(d) from the surface to the deep reservoir section;
[0053] Calculate overlying formation pressure SV(d) and hydrostatic pressure Phy(d);
[0054] C...
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