Equations predict wellbore pressure, liquid loading in high GOR wells

Jie Yi Shun-Li He Leng Tian Ji-Xiang Ma China University of Petroleum Jun-Jian Wang China University of Geosciences Beijing Unique behavior of gas condensate wells is characterized by rapid well production loss. Condensate rapidly builds up around the wellbore, reducing gas permeability and gas deliverability, when the flowing bottomhole pressure (BHP) drops less than the dewpoint. To improve the final recovery, the production system must be optimized. A task lies in accurately predicting the wellbore pressure drop because multiphase flow prevails in the wellbore as well as in gas and oil transmission and distribution pipelines. Physical phenomena, such as turbulence, flow regime transiti...

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