Producción por operador
Operador	Petroleo				Gas natural
	6/2004		7/2004		6/2004		7/2004
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	48,456	42.93	47,548	42.83	51,724	34.07	50,987	33.89
PAN AMERICAN	16,537	14.65	16,185	14.58	17,830	11.74	17,977	11.95
PETROBRAS ENERGIA S.A.	11,120	9.85	10,967	9.88	10,191	6.71	9,871	6.56
CHEVRON SAN JORGE S.A.	9,628	8.53	9,712	8.75	3,267	2.15	3,138	2.09
TECPETROL S.A.	5,063	4.49	5,059	4.56	7,819	5.15	7,614	5.06
VINTAGE OIL	4,725	4.19	4,473	4.03	1,486	0.98	1,490	0.99
TOTAL AUSTRAL S.A.	4,425	3.92	4,343	3.91	32,222	21.23	31,563	20.98
SIPETROL S.A.	2,895	2.57	2,841	2.56	3,158	2.08	3,079	2.05
PLUSPETROL S.A.	2,380	2.11	2,409	2.17	12,465	8.21	12,632	8.39
CAPSA CAPEX	2,052	1.82	2,000	1.80	3,093	2.04	3,241	2.15
PETROLERA PEREZ COMPANC S.A.	1,630	1.44	1,660	1.50	959	0.63	1,038	0.69
PIONEER NAT.RESOURCES ARG.S.A.	1,234	1.09	1,196	1.08	2,850	1.88	2,930	1.95
CHAÑARES HERRADOS S.A.	437	0.39	345	0.31	13	0.01	11	0.01
PETR. SANTA FE S.R.L	354	0.31	350	0.32	3,603	2.37	3,798	2.52
RIO ALTO	323	0.29	330	0.30	0	0.00	0	0.00
PET. SUDAMERICANOS NECON-UTE	316	0.28	317	0.29	227	0.15	224	0.15
CENTRAL RESOURCE INC	270	0.24	270	0.24	22	0.01	21	0.01
ROCH S.A.	248	0.22	243	0.22	368	0.24	358	0.24
PETROLERA SAN JOSE S.R.L.	181	0.16	171	0.15	16	0.01	16	0.01
PETROQUIMICA COM. RIVADAVIA S.A.	142	0.13	148	0.13	228	0.15	220	0.15
COLHUE HUAPI S.A.	99	0.09	99	0.09	15	0.01	17	0.01
CLEAR S.R.L. Y PETROMINERA CHUBUT	58	0.05	64	0.06	27	0.02	23	0.02
RME ARGENTINA S.A.	54	0.05	52	0.05	4	0.00	4	0.00
MISAHAR ARGENTINA	54	0.05	48	0.04	2	0.00	2	0.00
INGENIERIA ALPA S.A.	48	0.04	47	0.04	39	0.03	37	0.02
GAS MEDANITO S.A.	38	0.03	41	0.04	121	0.08	116	0.08
EPP PETROLEO S.A.	30	0.03	30	0.03	0	0.00	0	0.00
DONG WON CORPORATION	19	0.02	19	0.02	0	0.00	0	0.00
C.G.C. S.A.	18	0.02	19	0.02	45	0.03	46	0.03
OILGENER ARGENTINA Ltd.	16	0.01	17	0.01	6	0.00	6	0.00
TECNICAGUA S.A.	13	0.01	12	0.01	8	0.00	8	0.01
INGENIERIA SIMA S.A.	5	0.00	5	0.00	0	0.00	0	0.00
Totales	112,869	100.00	111,020	100.00	151,809	100.00	150,468	100.00