Producción por operador
Operador	Petroleo				Gas natural
	7/2004		8/2004		7/2004		8/2004
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	47,545	42.83	46,179	42.03	51,033	33.91	50,051	33.54
PAN AMERICAN	16,185	14.58	16,434	14.96	17,977	11.94	18,123	12.14
PETROBRAS ENERGIA S.A.	10,967	9.88	11,144	10.14	9,871	6.56	9,373	6.28
CHEVRON SAN JORGE S.A.	9,712	8.75	9,873	8.99	3,138	2.09	3,168	2.12
TECPETROL S.A.	5,059	4.56	5,140	4.68	7,614	5.06	7,424	4.97
TOTAL AUSTRAL S.A.	4,343	3.91	4,345	3.95	31,563	20.97	31,896	21.37
VINTAGE OIL	4,473	4.03	3,933	3.58	1,490	0.99	1,467	0.98
SIPETROL S.A.	2,841	2.56	2,740	2.49	3,079	2.05	3,007	2.01
PLUSPETROL S.A.	2,409	2.17	2,454	2.23	12,632	8.39	12,711	8.52
CAPSA CAPEX	2,000	1.80	2,114	1.92	3,241	2.15	3,223	2.16
PETROLERA PEREZ COMPANC S.A.	1,660	1.50	1,622	1.48	1,038	0.69	997	0.67
PIONEER NAT.RESOURCES ARG.S.A.	1,196	1.08	1,263	1.15	2,930	1.95	2,987	2.00
PETR. SANTA FE S.R.L	350	0.32	344	0.31	3,798	2.52	3,689	2.47
CHAÑARES HERRADOS S.A.	345	0.31	323	0.29	11	0.01	10	0.01
RIO ALTO	330	0.30	329	0.30	0	0.00	0	0.00
PET. SUDAMERICANOS NECON-UTE	317	0.29	330	0.30	224	0.15	210	0.14
CENTRAL RESOURCE INC	270	0.24	266	0.24	21	0.01	21	0.01
ROCH S.A.	243	0.22	243	0.22	358	0.24	361	0.24
PETROLERA SAN JOSE S.R.L.	171	0.15	184	0.17	16	0.01	16	0.01
PETROQUIMICA COM. RIVADAVIA S.A.	148	0.13	141	0.13	220	0.15	245	0.16
COLHUE HUAPI S.A.	99	0.09	99	0.09	17	0.01	15	0.01
CLEAR S.R.L. Y PETROMINERA CHUBUT	64	0.06	67	0.06	23	0.02	28	0.02
RME ARGENTINA S.A.	52	0.05	55	0.05	4	0.00	4	0.00
INGENIERIA ALPA S.A.	47	0.04	45	0.04	35	0.02	48	0.03
MISAHAR ARGENTINA	48	0.04	44	0.04	2	0.00	2	0.00
GAS MEDANITO S.A.	41	0.04	46	0.04	116	0.08	113	0.08
EPP PETROLEO S.A.	30	0.03	30	0.03	0	0.00	0	0.00
OILGENER ARGENTINA Ltd.	17	0.01	30	0.03	6	0.00	6	0.00
C.G.C. S.A.	19	0.02	20	0.02	46	0.03	47	0.03
DONG WON CORPORATION	19	0.02	19	0.02	0	0.00	0	0.00
TECNICAGUA S.A.	12	0.01	12	0.01	8	0.01	8	0.01
INGENIERIA SIMA S.A.	5	0.00	6	0.01	0	0.00	0	0.00
Totales	111,017	100.00	109,875	100.00	150,511	100.00	149,247	100.00