Productivity Formula of Horizontal Well in Low-Permeability Gas Reservoir considering Multiple Factors

Table 2

The comparison results of the horizontal well productivity prediction.

Model	QL203h1		QL205h1		QL205h2
	Yield (10^4 m^3/d)	Deviation rate (%)	Yield (10^4 m^3/d)	Deviation rate (%)	Yield (10^4 m^3/d)	Deviation rate (%)
Borisov formula	54.48	15.90	11.99	28.97	46.36	18.86
Giger formula	51.44	9.45	11.93	28.31	45.33	16.23
Joshi formula	53.63	14.11	11.71	25.94	45.75	17.30
Yuanqian formula	53.78	14.42	11.71	25.95	45.77	17.35
Formula in this paper	50.92	8.35	10.26	10.35	40.47	3.78
Actual AOF	47	0	9.3	0	39	0