Producción por operador
Operador	Petroleo				Gas natural
	1/2004		2/2004		1/2004		2/2004
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	48,910	43.45	49,148	43.45	40,453	29.66	44,398	31.44
PAN AMERICAN	15,560	13.82	15,719	13.90	15,143	11.10	16,171	11.45
PETROBRAS ENERGIA S.A.	10,838	9.63	10,942	9.67	9,961	7.30	10,030	7.10
CHEVRON SAN JORGE S.A.	9,843	8.74	9,955	8.80	3,362	2.46	3,442	2.44
TECPETROL S.A.	5,290	4.70	5,237	4.63	9,651	7.08	9,555	6.77
VINTAGE OIL	4,748	4.22	4,752	4.20	1,376	1.01	1,365	0.97
TOTAL AUSTRAL S.A.	4,540	4.03	4,452	3.94	31,249	22.91	30,998	21.95
SIPETROL S.A.	3,139	2.79	3,008	2.66	2,440	1.79	2,626	1.86
PLUSPETROL S.A.	2,275	2.02	2,246	1.99	13,054	9.57	12,888	9.13
CAPSA CAPEX	1,929	1.71	2,121	1.87	2,754	2.02	2,691	1.91
PETROLERA PEREZ COMPANC S.A.	1,513	1.34	1,624	1.44	942	0.69	988	0.70
PIONEER NAT.RESOURCES ARG.S.A.	1,334	1.19	1,304	1.15	1,886	1.38	1,893	1.34
CHAÑARES HERRADOS S.A.	410	0.36	359	0.32	12	0.01	11	0.01
RIO ALTO	351	0.31	357	0.32	0	0.00	0	0.00
PETR. SANTA FE S.R.L	348	0.31	359	0.32	3,023	2.22	3,061	2.17
PET. SUDAMERICANOS NECON-UTE	287	0.25	276	0.24	221	0.16	226	0.16
ROCH S.A.	249	0.22	238	0.21	349	0.26	336	0.24
CENTRAL RESOURCE INTERNATIONAL	218	0.19	219	0.19	19	0.01	20	0.01
PETROLERA SAN JOSE S.R.L.	176	0.16	175	0.15	17	0.01	17	0.01
PETROQUIMICA COM. RIVADAVIA S.A.	150	0.13	154	0.14	269	0.20	278	0.20
COLHUE HUAPI S.A.	107	0.10	103	0.09	18	0.01	20	0.01
RME ARGENTINA S.A.	55	0.05	58	0.05	5	0.00	5	0.00
MISAHAR ARGENTINA	53	0.05	57	0.05	3	0.00	3	0.00
CLEAR S.R.L. Y PETROMINERA CHUBUT	50	0.04	55	0.05	30	0.02	25	0.02
INGENIERIA ALPA S.A.	44	0.04	48	0.04	31	0.02	37	0.03
GAS MEDANITO S.A.	32	0.03	36	0.03	74	0.05	79	0.06
EPP PETROLEO S.A.	30	0.03	29	0.03	0	0.00	0	0.00
DONG WON CORPORATION	24	0.02	24	0.02	0	0.00	0	0.00
C.G.C. S.A.	20	0.02	18	0.02	47	0.03	50	0.04
OILGENER ARGENTINA Ltd.	19	0.02	17	0.02	5	0.00	3	0.00
TECNICAGUA S.A.	14	0.01	15	0.01	8	0.01	8	0.01
INGENIERIA SIMA S.A.	7	0.01	7	0.01	0	0.00	0	0.00
Totales	112,565	100.00	113,112	100.00	136,403	100.00	141,223	100.00