Producción por operador
Operador	Petroleo				Gas natural
	6/2005		7/2005		6/2005		7/2005
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	43,386	40.79	43,387	40.83	47,358	31.62	46,620	31.01
PAN AMERICAN	16,879	15.87	16,689	15.70	18,524	12.37	19,280	12.82
PESA (PETROBRAS E.S.A.)	10,165	9.56	10,274	9.67	13,639	9.11	12,624	8.40
CHEVRON SAN JORGE S.A.	9,520	8.95	9,478	8.92	2,860	1.91	2,864	1.90
VINTAGE OIL	5,459	5.13	5,535	5.21	1,531	1.02	1,556	1.04
TECPETROL S.A.	5,170	4.86	5,172	4.87	6,775	4.52	7,163	4.76
TOTAL AUSTRAL S.A.	4,236	3.98	4,200	3.95	34,689	23.16	35,709	23.75
PLUSPETROL S.A.	2,409	2.26	2,363	2.22	13,611	9.09	13,575	9.03
SIPETROL S.A.	2,354	2.21	2,318	2.18	2,998	2.00	3,026	2.01
CAPSA CAPEX	1,888	1.77	1,920	1.81	2,898	1.93	2,763	1.84
PETROLERA ENTRE LOMAS S.A.	1,767	1.66	1,786	1.68	1,087	0.73	1,165	0.77
PIONEER NAT.RESOURCES ARG.S.A.	1,075	1.01	1,162	1.09	2,942	1.96	3,147	2.09
CHAÑARES HERRADOS S.A.	406	0.38	367	0.34	15	0.01	14	0.01
PET. SUDAMERICANOS NECON-UTE	322	0.30	298	0.28	196	0.13	184	0.12
ROCH S.A.	262	0.25	258	0.24	325	0.22	319	0.21
CENTRAL RESOURCES INC	266	0.25	253	0.24	20	0.01	19	0.01
PETROLERA SAN JOSE S.R.L.	181	0.17	165	0.16	14	0.01	14	0.01
RME ARGENTINA S.A.	154	0.14	179	0.17	34	0.02	28	0.02
COLHUE HUAPI S.A.	92	0.09	90	0.08	15	0.01	15	0.01
PETROQUIMICA COM. RIVADAVIA S.A.	88	0.08	87	0.08	14	0.01	14	0.01
CLEAR S.R.L. Y PETROMINERA CHUBUT	57	0.05	56	0.05	31	0.02	30	0.02
GAS MEDANITO S.A.	44	0.04	41	0.04	112	0.07	115	0.08
EPP PETROLEO S.A.	29	0.03	30	0.03	3	0.00	4	0.00
OILGENER ARGENTINA Ltd.	29	0.03	29	0.03	5	0.00	5	0.00
PETRO ANDINA RESOURCES LTD.	26	0.02	28	0.03	0	0.00	0	0.00
INGENIERIA ALPA S.A.	0	0.00	44	0.04	0	0.00	38	0.03
MISAHAR ARGENTINA	44	0.04	0	0.00	2	0.00	0	0.00
C.G.C. S.A.	14	0.01	24	0.02	46	0.03	44	0.03
DONG WON CORPORATION	18	0.02	19	0.02	0	0.00	0	0.00
TECNICAGUA S.A.	10	0.01	10	0.01	6	0.00	6	0.00
INGENIERIA SIMA S.A.	6	0.01	5	0.00	0	0.00	0	0.00
APCO ARGENTINA	0	0.00	5	0.00	0	0.00	0	0.00
Totales	106,358	100.00	106,274	100.00	149,751	100.00	150,339	100.00