Producción por operador
Operador	Petroleo				Gas natural
	9/2005		10/2005		9/2005		10/2005
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	40,895	39.45	39,758	40.07	42,480	29.34	40,436	29.70
PAN AMERICAN	16,861	16.27	16,315	16.44	18,857	13.03	19,026	13.98
PESA (PETROBRAS E.S.A.)	10,141	9.78	9,319	9.39	12,086	8.35	10,365	7.61
CHEVRON SAN JORGE S.A.	9,411	9.08	9,179	9.25	2,547	1.76	2,605	1.91
VINTAGE OIL	5,056	4.88	5,466	5.51	1,184	0.82	1,384	1.02
TECPETROL S.A.	5,376	5.19	4,628	4.66	6,891	4.76	6,664	4.89
TOTAL AUSTRAL S.A.	4,002	3.86	3,866	3.90	35,624	24.61	32,702	24.02
PLUSPETROL S.A.	2,366	2.28	2,305	2.32	13,651	9.43	13,415	9.85
PETROLERA ENTRE LOMAS S.A.	1,799	1.74	1,842	1.86	1,178	0.81	1,177	0.86
CAPSA CAPEX	1,902	1.83	1,740	1.75	2,909	2.01	2,910	2.14
SIPETROL ARGENTINA S.A.	2,125	2.05	991	1.00	2,779	1.92	1,146	0.84
PIONEER NAT.RESOURCES ARG.S.A.	1,129	1.09	1,164	1.17	3,312	2.29	3,083	2.26
PETROQUIMICA COM. RIVADAVIA S.A.	678	0.65	751	0.76	458	0.32	422	0.31
CHAÑARES HERRADOS S.A.	373	0.36	364	0.37	14	0.01	14	0.01
PET. SUDAMERICANOS NECON-UTE	334	0.32	318	0.32	186	0.13	181	0.13
ROCH S.A.	247	0.24	244	0.25	306	0.21	304	0.22
CENTRAL RESOURCES INC	232	0.22	232	0.23	21	0.01	16	0.01
PETROLERA SAN JOSE S.R.L.	169	0.16	144	0.14	14	0.01	12	0.01
RME ARGENTINA S.A.	149	0.14	137	0.14	43	0.03	40	0.03
PETRO ANDINA RESOURCES LTD.	58	0.06	140	0.14	0	0.00	0	0.00
COLHUE HUAPI S.A.	90	0.09	88	0.09	15	0.01	15	0.01
CLEAR S.R.L. Y PETROMINERA CHUBUT	60	0.06	50	0.05	21	0.01	24	0.02
INGENIERIA ALPA S.A.	46	0.04	46	0.05	38	0.03	36	0.03
GAS MEDANITO S.A.	44	0.04	41	0.04	94	0.06	73	0.05
OILGENER ARGENTINA Ltd.	29	0.03	29	0.03	5	0.00	5	0.00
C.G.C. S.A.	18	0.02	20	0.02	42	0.03	35	0.03
EPP PETROLEO S.A.	23	0.02	12	0.01	3	0.00	2	0.00
DONG WON CORPORATION	19	0.02	15	0.02	0	0.00	0	0.00
TECNICAGUA S.A.	9	0.01	9	0.01	6	0.00	6	0.00
INGENIERIA SIMA S.A.	6	0.01	4	0.00	0	0.00	41	0.03
APCO ARGENTINA	5	0.00	4	0.00	0	0.00	0	0.00
Totales	103,650	100.00	99,221	100.00	144,765	100.00	136,139	100.00