Producción por operador
Operador	Petroleo				Gas natural
	10/2004		11/2004		10/2004		11/2004
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	46,718	42.00	44,047	40.93	43,958	31.74	44,151	32.82
PAN AMERICAN	16,632	14.95	16,525	15.36	17,738	12.81	17,319	12.87
PETROBRAS ENERGIA S.A.	11,294	10.15	10,711	9.95	10,309	7.44	8,827	6.56
CHEVRON SAN JORGE S.A.	9,783	8.80	9,723	9.04	3,097	2.24	3,013	2.24
TECPETROL S.A.	5,286	4.75	5,346	4.97	7,058	5.10	7,087	5.27
VINTAGE OIL	4,837	4.35	4,811	4.47	1,485	1.07	1,365	1.01
TOTAL AUSTRAL S.A.	4,219	3.79	4,076	3.79	28,784	20.79	27,896	20.74
SIPETROL S.A.	2,475	2.23	2,664	2.48	2,424	1.75	2,952	2.19
PLUSPETROL S.A.	2,424	2.18	2,326	2.16	12,411	8.96	11,633	8.65
CAPSA CAPEX	2,003	1.80	1,986	1.85	2,892	2.09	2,516	1.87
PETROLERA ENTRE LOMAS S.A.	1,696	1.53	1,615	1.50	1,096	0.79	464	0.35
PIONEER NAT.RESOURCES ARG.S.A.	1,227	1.10	1,197	1.11	2,860	2.07	2,678	1.99
PETR. SANTA FE S.R.L	349	0.31	354	0.33	3,244	2.34	3,528	2.62
RIO ALTO	336	0.30	306	0.28	0	0.00	0	0.00
PET. SUDAMERICANOS NECON-UTE	316	0.28	314	0.29	226	0.16	226	0.17
CHAÑARES HERRADOS S.A.	293	0.26	308	0.29	9	0.01	11	0.01
CENTRAL RESOURCE INC	263	0.24	252	0.23	20	0.01	20	0.01
ROCH S.A.	232	0.21	237	0.22	355	0.26	342	0.25
PETROLERA SAN JOSE S.R.L.	204	0.18	196	0.18	17	0.01	16	0.01
PETROQUIMICA COM. RIVADAVIA S.A.	144	0.13	143	0.13	262	0.19	263	0.20
COLHUE HUAPI S.A.	96	0.09	96	0.09	20	0.01	20	0.01
CLEAR S.R.L. Y PETROMINERA CHUBUT	63	0.06	55	0.05	12	0.01	8	0.01
OILGENER ARGENTINA Ltd.	58	0.05	56	0.05	5	0.00	5	0.00
RME ARGENTINA S.A.	57	0.05	49	0.05	5	0.00	5	0.00
INGENIERIA ALPA S.A.	46	0.04	44	0.04	41	0.03	44	0.03
MISAHAR ARGENTINA	44	0.04	44	0.04	2	0.00	2	0.00
GAS MEDANITO S.A.	38	0.03	44	0.04	79	0.06	72	0.05
EPP PETROLEO S.A.	30	0.03	32	0.03	4	0.00	4	0.00
C.G.C. S.A.	19	0.02	18	0.02	58	0.04	52	0.04
DONG WON CORPORATION	20	0.02	17	0.02	0	0.00	0	0.00
TECNICAGUA S.A.	11	0.01	10	0.01	7	0.01	7	0.01
INGENIERIA SIMA S.A.	6	0.01	6	0.01	0	0.00	0	0.00
Totales	111,220	100.00	107,608	100.00	138,480	100.00	134,528	100.00