Producción por operador
Operador	Petroleo				Gas natural
	5/2005		6/2005		5/2005		6/2005
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	44,247	40.81	43,537	40.87	47,118	31.96	47,274	31.59
PAN AMERICAN	17,184	15.85	16,886	15.85	18,432	12.50	18,524	12.38
PESA (PETROBRAS E.S.A.)	10,198	9.41	10,165	9.54	13,363	9.06	13,639	9.11
CHEVRON SAN JORGE S.A.	9,916	9.15	9,520	8.94	2,952	2.00	2,860	1.91
VINTAGE OIL	5,449	5.03	5,459	5.12	1,530	1.04	1,531	1.02
TECPETROL S.A.	5,180	4.78	5,170	4.85	6,783	4.60	6,742	4.51
TOTAL AUSTRAL S.A.	4,195	3.87	4,236	3.98	33,088	22.44	34,689	23.18
PLUSPETROL S.A.	2,431	2.24	2,409	2.26	12,904	8.75	13,611	9.09
SIPETROL S.A.	2,465	2.27	2,354	2.21	2,969	2.01	2,998	2.00
CAPSA CAPEX	1,905	1.76	1,888	1.77	2,906	1.97	2,898	1.94
PETROLERA ENTRE LOMAS S.A.	1,765	1.63	1,767	1.66	1,067	0.72	1,087	0.73
PIONEER NAT.RESOURCES ARG.S.A.	1,147	1.06	1,075	1.01	3,029	2.05	2,942	1.97
CHAÑARES HERRADOS S.A.	327	0.30	406	0.38	12	0.01	15	0.01
PET. SUDAMERICANOS NECON-UTE	315	0.29	322	0.30	193	0.13	196	0.13
PETROQUIMICA COM. RIVADAVIA S.A.	461	0.43	88	0.08	456	0.31	14	0.01
CENTRAL RESOURCES INC	260	0.24	266	0.25	20	0.01	20	0.01
ROCH S.A.	243	0.22	262	0.25	355	0.24	355	0.24
PETROLERA SAN JOSE S.R.L.	190	0.18	181	0.17	15	0.01	14	0.01
RME ARGENTINA S.A.	171	0.16	154	0.14	33	0.02	34	0.02
COLHUE HUAPI S.A.	93	0.09	92	0.09	16	0.01	15	0.01
CLEAR S.R.L. Y PETROMINERA CHUBUT	52	0.05	57	0.05	14	0.01	31	0.02
MISAHAR ARGENTINA	44	0.04	44	0.04	1	0.00	2	0.00
GAS MEDANITO S.A.	42	0.04	44	0.04	100	0.07	112	0.07
OILGENER ARGENTINA Ltd.	29	0.03	29	0.03	5	0.00	5	0.00
EPP PETROLEO S.A.	29	0.03	29	0.03	3	0.00	3	0.00
VENECO PATAGONIA LTD	23	0.02	26	0.02	0	0.00	0	0.00
C.G.C. S.A.	20	0.02	14	0.01	50	0.03	46	0.03
DONG WON CORPORATION	10	0.01	18	0.02	0	0.00	0	0.00
TECNICAGUA S.A.	11	0.01	10	0.01	7	0.00	6	0.00
INGENIERIA SIMA S.A.	5	0.00	6	0.01	0	0.00	0	0.00
ALIANZA PETROLERA ARG. S.A.	0	0.00	0	0.00	0	0.00	0	0.00
APCO ARGENTINA	0	0.00	0	0.00	0	0.00	0	0.00
Totales	108,409	100.00	106,516	100.00	147,424	100.00	149,664	100.00