A New Approach for Accurate Prediction of Liquid Loading of Directional Gas Wells in Transition Flow or Turbulent Flow

Table 6

Calculated results of different models.

Model	A1		A2		B1		B2
	Critical velocity/; (m/s)	Error	Critical velocity/; (m/s)	Error	Critical velocity/; (m/s)	Error	Critical velocity/; (m/s)	Error
Critical velocity	2.91	—	0.9	—	2	—	1.83	—
Turner model	4.6	58%	1.4	56%	3.2	60%	2.97	62%
Belfroid model	4.0	37%	1.33	48%	2.8	40%	2.67	46%
Chen model	3.5	20%	0.53	41%	2.7	35%	1.2	34%
New model	2.83	3%	0.84	7%	1.95	3%	1.74	5%