Producción por operador
Operador	Petroleo				Gas natural
	9/2004		10/2004		9/2004		10/2004
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	47,753	42.41	46,718	42.00	49,899	33.86	43,958	31.74
PAN AMERICAN	16,626	14.77	16,632	14.95	18,093	12.28	17,738	12.81
PETROBRAS ENERGIA S.A.	11,445	10.17	11,294	10.15	9,766	6.63	10,309	7.44
CHEVRON SAN JORGE S.A.	9,820	8.72	9,783	8.80	3,132	2.12	3,097	2.24
TECPETROL S.A.	5,185	4.60	5,286	4.75	7,193	4.88	7,058	5.10
VINTAGE OIL	4,710	4.18	4,837	4.35	1,595	1.08	1,485	1.07
TOTAL AUSTRAL S.A.	4,243	3.77	4,219	3.79	30,613	20.77	28,784	20.79
SIPETROL S.A.	2,731	2.43	2,475	2.23	2,962	2.01	2,424	1.75
PLUSPETROL S.A.	2,419	2.15	2,424	2.18	12,413	8.42	12,411	8.96
CAPSA CAPEX	2,068	1.84	2,003	1.80	3,003	2.04	2,892	2.09
PETROLERA ENTRE LOMAS S.A.	1,662	1.48	1,696	1.53	1,043	0.71	1,096	0.79
PIONEER NAT.RESOURCES ARG.S.A.	1,229	1.09	1,227	1.10	3,005	2.04	2,860	2.07
PETR. SANTA FE S.R.L	342	0.30	349	0.31	3,534	2.40	3,244	2.34
RIO ALTO	338	0.30	336	0.30	0	0.00	0	0.00
PET. SUDAMERICANOS NECON-UTE	337	0.30	316	0.28	220	0.15	226	0.16
CHAÑARES HERRADOS S.A.	327	0.29	293	0.26	10	0.01	9	0.01
CENTRAL RESOURCE INC	259	0.23	263	0.24	21	0.01	20	0.01
ROCH S.A.	242	0.22	232	0.21	354	0.24	355	0.26
PETROLERA SAN JOSE S.R.L.	209	0.19	204	0.18	18	0.01	17	0.01
PETROQUIMICA COM. RIVADAVIA S.A.	142	0.13	144	0.13	244	0.17	262	0.19
COLHUE HUAPI S.A.	97	0.09	96	0.09	19	0.01	20	0.01
CLEAR S.R.L. Y PETROMINERA CHUBUT	65	0.06	63	0.06	32	0.02	12	0.01
RME ARGENTINA S.A.	53	0.05	57	0.05	4	0.00	5	0.00
OILGENER ARGENTINA Ltd.	48	0.04	58	0.05	5	0.00	5	0.00
INGENIERIA ALPA S.A.	48	0.04	46	0.04	52	0.04	41	0.03
MISAHAR ARGENTINA	48	0.04	44	0.04	2	0.00	2	0.00
GAS MEDANITO S.A.	54	0.05	38	0.03	95	0.06	79	0.06
EPP PETROLEO S.A.	30	0.03	30	0.03	4	0.00	4	0.00
C.G.C. S.A.	20	0.02	19	0.02	48	0.03	58	0.04
DONG WON CORPORATION	18	0.02	20	0.02	0	0.00	0	0.00
TECNICAGUA S.A.	10	0.01	11	0.01	7	0.01	7	0.01
INGENIERIA SIMA S.A.	7	0.01	6	0.01	0	0.00	0	0.00
Totales	112,586	100.00	111,220	100.00	147,386	100.00	138,480	100.00