Producción por operador
Operador	Petroleo				Gas natural
	2/2005		3/2005		2/2005		3/2005
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	44,065	40.92	43,866	40.77	40,555	29.84	37,273	28.01
PAN AMERICAN	16,540	15.36	16,803	15.62	17,430	12.82	17,914	13.46
PESA (PETROBRAS E.S.A.)	10,962	10.18	10,643	9.89	13,010	9.57	13,098	9.84
CHEVRON SAN JORGE S.A.	9,994	9.28	10,024	9.32	2,897	2.13	2,923	2.20
TECPETROL S.A.	5,344	4.96	5,344	4.97	6,733	4.95	6,705	5.04
VINTAGE OIL	5,206	4.83	5,335	4.96	1,475	1.09	1,486	1.12
TOTAL AUSTRAL S.A.	4,105	3.81	4,028	3.74	31,933	23.50	31,454	23.63
SIPETROL S.A.	2,429	2.26	2,446	2.27	2,610	1.92	2,700	2.03
PLUSPETROL S.A.	2,230	2.07	2,213	2.06	11,902	8.76	11,924	8.96
CAPSA CAPEX	2,010	1.87	1,918	1.78	2,547	1.87	2,533	1.90
PETROLERA ENTRE LOMAS S.A.	1,634	1.52	1,643	1.53	1,035	0.76	1,050	0.79
PIONEER NAT.RESOURCES ARG.S.A.	1,154	1.07	1,195	1.11	2,727	2.01	2,847	2.14
CHAÑARES HERRADOS S.A.	352	0.33	342	0.32	13	0.01	13	0.01
PETROQUIMICA COM. RIVADAVIA S.A.	229	0.21	381	0.35	325	0.24	435	0.33
PET. SUDAMERICANOS NECON-UTE	287	0.27	290	0.27	172	0.13	204	0.15
CENTRAL RESOURCE INC	259	0.24	253	0.24	20	0.01	16	0.01
ROCH S.A.	242	0.22	253	0.24	328	0.24	320	0.24
PETROLERA SAN JOSE S.R.L.	184	0.17	170	0.16	15	0.01	14	0.01
COLHUE HUAPI S.A.	96	0.09	95	0.09	18	0.01	18	0.01
RME ARGENTINA S.A.	61	0.06	74	0.07	8	0.01	9	0.01
CLEAR S.R.L. Y PETROMINERA CHUBUT	61	0.06	54	0.05	9	0.01	9	0.01
GAS MEDANITO S.A.	47	0.04	48	0.04	80	0.06	76	0.06
MISAHAR ARGENTINA	44	0.04	40	0.04	2	0.00	1	0.00
OILGENER ARGENTINA Ltd.	46	0.04	32	0.03	5	0.00	5	0.00
EPP PETROLEO S.A.	32	0.03	32	0.03	4	0.00	4	0.00
VENECO PATAGONIA LTD	22	0.02	22	0.02	0	0.00	0	0.00
C.G.C. S.A.	18	0.02	19	0.02	49	0.04	50	0.04
DONG WON CORPORATION	16	0.01	13	0.01	0	0.00	0	0.00
TECNICAGUA S.A.	11	0.01	9	0.01	7	0.01	7	0.01
INGENIERIA SIMA S.A.	6	0.01	6	0.01	0	0.00	0	0.00
APCO ARGENTINA	6	0.01	0	0.00	0	0.00	0	0.00
Totales	107,693	100.00	107,590	100.00	135,907	100.00	133,085	100.00