Analysis Methods of Bottom Pressure for Fractured-Vuggy Reservoir

Bao Hua Chang; Wei Xiong; Shu Sheng Gao

doi:10.4028/www.scientific.net/AMR.291-294.3449

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Analysis Methods of Bottom Pressure for Fractured-Vuggy Reservoir
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Analysis Methods of Bottom Pressure for Fractured-Vuggy Reservoir

Abstract:

It’s difficult to measure bottom pressure in the fractured-vuggy reservoir, and measuring cost is usually high; In this paper, using the modified Beggs-Brill method, the variety of wellbore pressure has been calculated and analyzed. Results show that the variety of wellhead pressure is consistent with that of bottom pressure, and the variety of wellhead pressure is greater than that of bottom pressure. Thereby a simple method of predicting bottom pressure through wellhead pressure is established. Through example calculation, it’s confirmed that this method has a certain reliability and practicability.