Producción por operador
Operador	Petroleo				Gas natural
	8/2004		9/2004		8/2004		9/2004
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	46,179	42.03	47,753	42.49	50,051	33.54	49,899	33.87
PAN AMERICAN	16,434	14.96	16,626	14.79	18,123	12.14	18,093	12.28
PETROBRAS ENERGIA S.A.	11,144	10.14	11,445	10.18	9,373	6.28	9,766	6.63
CHEVRON SAN JORGE S.A.	9,873	8.99	9,820	8.74	3,168	2.12	3,132	2.13
TECPETROL S.A.	5,140	4.68	5,185	4.61	7,424	4.97	7,193	4.88
TOTAL AUSTRAL S.A.	4,345	3.95	4,243	3.78	31,896	21.37	30,613	20.78
VINTAGE OIL	3,933	3.58	4,558	4.06	1,467	0.98	1,587	1.08
SIPETROL S.A.	2,740	2.49	2,731	2.43	3,007	2.01	2,962	2.01
PLUSPETROL S.A.	2,454	2.23	2,419	2.15	12,711	8.52	12,413	8.43
CAPSA CAPEX	2,114	1.92	2,068	1.84	3,223	2.16	3,003	2.04
PETROLERA PEREZ COMPANC S.A.	1,622	1.48	1,662	1.48	997	0.67	1,043	0.71
PIONEER NAT.RESOURCES ARG.S.A.	1,263	1.15	1,229	1.09	2,987	2.00	3,005	2.04
PETR. SANTA FE S.R.L	344	0.31	342	0.30	3,689	2.47	3,534	2.40
RIO ALTO	329	0.30	338	0.30	0	0.00	0	0.00
PET. SUDAMERICANOS NECON-UTE	330	0.30	337	0.30	210	0.14	220	0.15
CHAÑARES HERRADOS S.A.	323	0.29	327	0.29	10	0.01	10	0.01
CENTRAL RESOURCE INC	266	0.24	259	0.23	21	0.01	21	0.01
ROCH S.A.	243	0.22	242	0.22	361	0.24	354	0.24
PETROLERA SAN JOSE S.R.L.	184	0.17	209	0.19	16	0.01	18	0.01
PETROQUIMICA COM. RIVADAVIA S.A.	141	0.13	142	0.13	245	0.16	244	0.17
COLHUE HUAPI S.A.	99	0.09	97	0.09	15	0.01	19	0.01
CLEAR S.R.L. Y PETROMINERA CHUBUT	67	0.06	65	0.06	28	0.02	32	0.02
RME ARGENTINA S.A.	55	0.05	53	0.05	4	0.00	4	0.00
GAS MEDANITO S.A.	46	0.04	54	0.05	113	0.08	95	0.06
MISAHAR ARGENTINA	44	0.04	48	0.04	2	0.00	2	0.00
OILGENER ARGENTINA Ltd.	30	0.03	48	0.04	6	0.00	5	0.00
EPP PETROLEO S.A.	30	0.03	30	0.03	0	0.00	4	0.00
INGENIERIA ALPA S.A.	45	0.04	0	0.00	48	0.03	0	0.00
C.G.C. S.A.	20	0.02	20	0.02	47	0.03	48	0.03
DONG WON CORPORATION	19	0.02	18	0.02	0	0.00	0	0.00
TECNICAGUA S.A.	12	0.01	10	0.01	8	0.01	7	0.01
INGENIERIA SIMA S.A.	6	0.01	7	0.01	0	0.00	0	0.00
Totales	109,875	100.00	112,385	100.00	149,247	100.00	147,327	100.00