Managing gas bubble migration in a downhole liquid

A method comprising:

• simulating, by a processing device executing wellbore-simulation software, changes in gas dissolution of a gas in a liquid flowing from a downhole location through a wellbore to a well surface over the course of a plurality of time steps by:
• dividing the wellbore into a plurality of segments spanning from the well surface to the downhole location, each segment spanning a respective depth increment between the well surface and the downhole location;
• and
• for each time step of the plurality of time steps:
• determining a respective multiphase-flow regime associated with each segment of the plurality of segments based on a simulated pressure level, a simulated temperature, a simulated pipe eccentricity, and a simulated fluid velocity at the segment;
• and
• determining how much of the gas is dissolved in the liquid at each segment of the plurality of segments based on the respective multiphase-flow regime at the segment;
• and
• generating, by the processing device, a display based on the changes in the gas dissolution in the liquid over the plurality of time steps.

A non-transitory computer-readable medium that includes wellbore-simulation software that is executable by a processing device for causing the processing device to:

• simulate changes in gas dissolution of a gas in a liquid flowing from a downhole location to a well surface through a wellbore over the course of a plurality of time steps by:
• dividing the wellbore into a plurality of segments spanning from the well surface to the downhole location, each segment spanning a respective depth increment between the well surface and the downhole location;
• and
• for each time step of the plurality of time steps:
• determining a respective multiphase-flow regime associated with each segment of the plurality of segments based on a simulated pressure level, a simulated temperature, a simulated pipe eccentricity, and a simulated fluid velocity at the segment;
• and
• determining how much of the gas is dissolved in the liquid at each segment of the plurality of segments based on the respective multiphase-flow regime at the segment;
• and
• generate a display based on the changes in the gas dissolution in the liquid over the plurality of time steps.