Producción por operador
Operador	Petroleo				Gas natural
	10/2005		11/2005		10/2005		11/2005
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	39,762	40.07	41,668	40.32	40,310	29.64	38,777	28.19
PAN AMERICAN	16,315	16.44	16,397	15.87	19,026	13.99	18,966	13.79
PESA (PETROBRAS E.S.A.)	9,319	9.39	9,620	9.31	10,365	7.62	11,239	8.17
CHEVRON SAN JORGE S.A.	9,179	9.25	9,163	8.87	2,605	1.92	2,693	1.96
VINTAGE OIL	5,466	5.51	5,934	5.74	1,384	1.02	1,433	1.04
TECPETROL S.A.	4,628	4.66	5,080	4.92	6,664	4.90	6,532	4.75
TOTAL AUSTRAL S.A.	3,866	3.90	3,919	3.79	32,702	24.04	34,622	25.17
PLUSPETROL S.A.	2,305	2.32	2,283	2.21	13,415	9.86	13,213	9.60
PETROLERA ENTRE LOMAS S.A.	1,842	1.86	1,849	1.79	1,177	0.87	1,126	0.82
CAPSA CAPEX	1,740	1.75	1,835	1.78	2,910	2.14	2,677	1.95
SIPETROL ARGENTINA S.A.	991	1.00	1,896	1.83	1,146	0.84	1,843	1.34
PIONEER NAT.RESOURCES ARG.S.A.	1,164	1.17	1,103	1.07	3,083	2.27	3,266	2.37
PETROQUIMICA COM. RIVADAVIA S.A.	751	0.76	712	0.69	422	0.31	444	0.32
CHAÑARES HERRADOS S.A.	364	0.37	430	0.42	14	0.01	16	0.01
PET. SUDAMERICANOS NECON-UTE	318	0.32	332	0.32	181	0.13	167	0.12
ROCH S.A.	244	0.25	240	0.23	304	0.22	290	0.21
CENTRAL RESOURCES INC	232	0.23	242	0.23	16	0.01	21	0.02
RME ARGENTINA S.A.	137	0.14	150	0.15	40	0.03	36	0.03
PETRO ANDINA RESOURCES LTD.	140	0.14	147	0.14	0	0.00	0	0.00
COLHUE HUAPI S.A.	88	0.09	88	0.08	15	0.01	15	0.01
PETROLERA SAN JOSE S.R.L.	144	0.14	0	0.00	12	0.01	0	0.00
CLEAR S.R.L. Y PETROMINERA CHUBUT	50	0.05	54	0.05	24	0.02	46	0.03
INGENIERIA ALPA S.A.	46	0.05	55	0.05	36	0.03	37	0.03
GAS MEDANITO S.A.	41	0.04	38	0.04	73	0.05	61	0.04
OILGENER ARGENTINA Ltd.	29	0.03	33	0.03	5	0.00	5	0.00
EPP PETROLEO S.A.	12	0.01	28	0.03	2	0.00	0	0.00
DONG WON CORPORATION	15	0.02	14	0.01	0	0.00	0	0.00
CGC	20	0.02	9	0.01	35	0.03	31	0.02
TECNICAGUA S.A.	9	0.01	10	0.01	6	0.00	6	0.00
INGENIERIA SIMA S.A.	4	0.00	4	0.00	41	0.03	13	0.01
APCO ARGENTINA	4	0.00	3	0.00	0	0.00	0	0.00
Totales	99,225	100.00	103,336	100.00	136,014	100.00	137,577	100.00