What are the 3 pressue loss components
elevation, friction, acceleration
What is a continuous film model
liquid moves along tubing walls, gas must move fast enough that drag keeps liquid moving
What is entrained drop model
liquid is suspended as drops in the gas stream where each droplet has terminal veloicty and are held together by surface tension
What is terminal velocity dependent on?
size, shape, and density
What is holdup?
the fraction of the total volume in the pipe occupied by liquid (VL+Vg)/VL
For Poettman and Carpenter out of the 49 wells they studied how many were flowing vs gas-lift wells?
34 flowing, 15 gas-lift
What are the three Wellbore correlations for Oil early Empirical Models?
Poettman and Carpenter, baxendell and thomas, and facher and brown
Most gas wells produce some liquids in forms of
vaporized in the reservoir gas, or free liquid in the reservoir
what does critical (minimum) velocity yield
the terminal velocity of a liquid droplet