Producción por operador
Operador	Petroleo				Gas natural
	10/2009		11/2009		10/2009		11/2009
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	34,072	33.72	32,154	33.10	32,428	24.43	28,752	23.14
PAN AMERICAN	18,496	18.30	18,343	18.88	17,535	13.21	17,358	13.97
CHEVRON SAN JORGE S.A.	7,042	6.97	6,960	7.16	1,112	0.84	1,051	0.85
PESA (PETROBRAS E.S.A.)	6,932	6.86	6,561	6.75	13,031	9.82	12,769	10.28
OCCIDENTAL EXPLORATION INC.	6,571	6.50	5,934	6.11	1,965	1.48	1,875	1.51
PETRO ANDINA RESOURCES LTD.	4,360	4.32	4,434	4.56	144	0.11	148	0.12
TECPETROL S.A.	4,302	4.26	4,272	4.40	4,703	3.54	4,526	3.64
TOTAL AUSTRAL S.A.	3,428	3.39	3,237	3.33	34,547	26.03	31,511	25.36
PETROLERA ENTRE LOMAS S.A.	2,297	2.27	2,270	2.34	1,009	0.76	1,027	0.83
ENAP SIPETROL ARGENTINA S.A.	2,391	2.37	1,944	2.00	2,482	1.87	2,282	1.84
PLUSPETROL S.A.	2,013	1.99	1,997	2.06	4,481	3.38	4,387	3.53
CAPSA CAPEX	1,894	1.87	1,835	1.89	1,988	1.50	1,591	1.28
PETROQUIMICA COM. RIVADAVIA S.A.	1,291	1.28	1,322	1.36	688	0.52	613	0.49
APACHE ENERGIA ARGENTINA S.R.L	1,135	1.12	1,105	1.14	3,752	2.83	3,607	2.90
PETROLERA LF COMPANY S.R.L	966	0.96	899	0.93	4,228	3.19	4,265	3.43
ROCH S.A.	706	0.70	751	0.77	2,060	1.55	2,071	1.67
PETROLIFERA P. (AMERICAS) LIMITED	587	0.58	617	0.64	153	0.12	157	0.13
CHAÑARES HERRADOS S.A.	540	0.53	588	0.61	20	0.01	21	0.02
PLUSPETROL ENERGY S.A	357	0.35	354	0.36	5,917	4.46	5,733	4.61
PETROLERA EL TREBOL	288	0.29	288	0.30	7	0.01	7	0.01
PET. SUDAMERICANOS NECON-UTE	254	0.25	252	0.26	28	0.02	29	0.02
CENTRAL INTERNATIONAL CORPORATION	232	0.23	223	0.23	21	0.02	21	0.02
GRAN TIERRA ENERGY ARGENTINA S.A.	195	0.19	161	0.17	13	0.01	10	0.01
MEDANITO S.A.	142	0.14	129	0.13	277	0.21	278	0.22
APACHE PETROLERA ARGENTINA S.A.	121	0.12	101	0.10	26	0.02	26	0.02
PETROLERA SAN JOSE S.R.L.	88	0.09	85	0.09	7	0.01	7	0.01
COLHUE HUAPI S.A.	77	0.08	78	0.08	17	0.01	17	0.01
DAPETROL S.A	68	0.07	70	0.07	0	0.00	0	0.00
INGENIERIA ALPA S.A.	45	0.04	27	0.03	3	0.00	3	0.00
EPSUR S.A	33	0.03	30	0.03	9	0.01	8	0.01
CRI HOLDING INC; SUCURSAL ARGENTINA	29	0.03	29	0.03	1	0.00	10	0.01
CENTRAL PATAGONIA S.R.L.	23	0.02	26	0.03	0	0.00	0	0.00
GRECOIL Y CIA. SRL	23	0.02	24	0.02	1	0.00	1	0.00
CLEAR S.R.L.	19	0.02	20	0.02	19	0.01	19	0.02
CGC	17	0.02	16	0.02	41	0.03	55	0.04
GEOPARK ARGENTINA LIMITED (SUC.ARG)	9	0.01	10	0.01	4	0.00	4	0.00
MISAHAR ARGENTINA	2	0.00	2	0.00	2	0.00	3	0.00
APCO ARGENTINA	0	0.00	0	0.00	0	0.00	0	0.00
PETROLERA PIEDRA DEL AGUILA	0	0.00	0	0.00	21	0.02	33	0.03
Totales	101,043	100.00	97,151	100.00	132,739	100.00	124,273	100.00