Reserve Estimation from Early Time Production Data in Geopressured Gas Reservoir: Gas Production of Cumulative Unit Pressure Drop Method

Table 4

Producing history of X gas reservoir.

MPa	10^8 m^3	MPa	MPa	10^8 m^3/MPa
74.48	0.00	53.06	0	0
74.33	2.58	53.01	0.15	17.20
72.67	34.96	52.42	1.81	19.31
68.55	119.74	50.95	5.93	20.19
63.53	226.48	49.13	10.95	20.68
58.45	338.60	47.18	16.03	21.12
53.84	451.04	45.25	20.64	21.85
49.53	555.25	43.26	24.95	22.25
45.70	659.46	41.29	28.78	22.91
41.71	763.96	39.01	32.77	23.31
38.06	868.17	36.69	36.42	23.84
34.59	972.38	34.24	39.89	24.38
31.01	1076.59	31.47	43.47	24.77
27.83	1181.08	28.79	46.65	25.32
24.73	1285.29	25.98	49.75	25.83
21.52	1389.50	22.89	52.96	26.24
18.46	1493.16	19.78	56.02	26.65
15.55	1593.89	16.72	58.93	27.05