Producción por operador
Operador	Petroleo				Gas natural
	2/2004		3/2004		2/2004		3/2004
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	49,148	43.45	46,140	42.05	44,398	31.44	44,610	31.37
PAN AMERICAN	15,719	13.90	15,750	14.35	16,171	11.45	17,452	12.27
PETROBRAS ENERGIA S.A.	10,942	9.67	11,572	10.55	10,030	7.10	10,040	7.06
CHEVRON SAN JORGE S.A.	9,955	8.80	9,938	9.06	3,442	2.44	3,564	2.51
TECPETROL S.A.	5,237	4.63	5,233	4.77	9,555	6.77	9,371	6.59
TOTAL AUSTRAL S.A.	4,452	3.94	4,368	3.98	30,998	21.95	30,694	21.58
VINTAGE OIL	4,752	4.20	3,775	3.44	1,365	0.97	1,166	0.82
SIPETROL S.A.	3,008	2.66	2,965	2.70	2,626	1.86	2,803	1.97
PLUSPETROL S.A.	2,246	1.99	2,313	2.11	12,888	9.13	12,578	8.84
CAPSA CAPEX	2,121	1.87	2,162	1.97	2,691	1.91	2,637	1.85
PETROLERA PEREZ COMPANC S.A.	1,624	1.44	1,593	1.45	988	0.70	965	0.68
PIONEER NAT.RESOURCES ARG.S.A.	1,304	1.15	1,330	1.21	1,893	1.34	2,077	1.46
CHAÑARES HERRADOS S.A.	359	0.32	411	0.37	11	0.01	12	0.01
RIO ALTO	357	0.32	353	0.32	0	0.00	0	0.00
PETR. SANTA FE S.R.L	359	0.32	281	0.26	3,061	2.17	3,163	2.22
PET. SUDAMERICANOS NECON-UTE	276	0.24	269	0.25	226	0.16	224	0.16
ROCH S.A.	238	0.21	255	0.23	336	0.24	347	0.24
CENTRAL RESOURCE INTERNATIONAL	219	0.19	226	0.21	20	0.01	21	0.01
PETROLERA SAN JOSE S.R.L.	175	0.15	178	0.16	17	0.01	17	0.01
PETROQUIMICA COM. RIVADAVIA S.A.	154	0.14	154	0.14	278	0.20	267	0.19
COLHUE HUAPI S.A.	103	0.09	105	0.10	20	0.01	18	0.01
MISAHAR ARGENTINA	57	0.05	61	0.06	3	0.00	3	0.00
RME ARGENTINA S.A.	58	0.05	58	0.05	5	0.00	5	0.00
CLEAR S.R.L. Y PETROMINERA CHUBUT	55	0.05	48	0.04	25	0.02	22	0.02
INGENIERIA ALPA S.A.	48	0.04	45	0.04	37	0.03	29	0.02
GAS MEDANITO S.A.	36	0.03	40	0.04	79	0.06	72	0.05
EPP PETROLEO S.A.	29	0.03	26	0.02	0	0.00	0	0.00
DONG WON CORPORATION	24	0.02	20	0.02	0	0.00	0	0.00
C.G.C. S.A.	18	0.02	19	0.02	50	0.04	49	0.03
OILGENER ARGENTINA Ltd.	17	0.02	16	0.01	3	0.00	4	0.00
TECNICAGUA S.A.	15	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	113,112	100.00	109,725	100.00	141,223	100.00	142,217	100.00