Producción por operador
Operador	Petroleo				Gas natural
	12/2010		1/2011		12/2010		1/2011
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	24,428	29.75	33,513	35.33	29,785	24.26	30,884	25.09
PAN AMERICAN	16,565	20.18	17,806	18.77	15,540	12.66	15,576	12.66
CHEVRON SAN JORGE S.A.	6,330	7.71	6,304	6.65	693	0.56	718	0.58
PETROBRAS ARGENTINA S.A.	6,051	7.37	6,255	6.59	11,245	9.16	11,463	9.31
OCCIDENTAL EXPLORATION INC.	4,199	5.11	5,845	6.16	1,625	1.32	1,997	1.62
PETRO ANDINA RESOURCES LTD.	4,662	5.68	4,632	4.88	193	0.16	200	0.16
TECPETROL S.A.	3,697	4.50	3,777	3.98	3,798	3.09	3,795	3.08
TOTAL AUSTRAL S.A.	3,126	3.81	3,047	3.21	35,890	29.23	34,516	28.04
PETROLERA ENTRE LOMAS S.A.	2,228	2.71	2,192	2.31	1,225	1.00	1,207	0.98
CAPSA CAPEX	1,882	2.29	1,902	2.00	2,041	1.66	1,986	1.61
PLUSPETROL S.A.	1,940	2.36	1,834	1.93	4,219	3.44	4,073	3.31
PETROQUIMICA COM. RIVADAVIA S.A.	1,038	1.26	1,286	1.36	562	0.46	700	0.57
APACHE ENERGIA ARGENTINA S.R.L	964	1.17	970	1.02	3,788	3.08	3,928	3.19
ENAP SIPETROL ARGENTINA S.A.	667	0.81	1,236	1.30	187	0.15	801	0.65
PETROLERA LF COMPANY S.R.L	862	1.05	830	0.88	4,293	3.50	3,801	3.09
ROCH S.A.	708	0.86	684	0.72	1,905	1.55	1,723	1.40
CHAÑARES HERRADOS S.A.	519	0.63	498	0.53	20	0.02	20	0.02
PETROLIFERA P. (AMERICAS) LIMITED	348	0.42	334	0.35	144	0.12	145	0.12
PLUSPETROL ENERGY S.A	295	0.36	297	0.31	4,727	3.85	4,625	3.76
PETROLERA EL TREBOL	291	0.35	279	0.29	8	0.01	9	0.01
PET. SUDAMERICANOS NECON-UTE	262	0.32	255	0.27	28	0.02	28	0.02
CENTRAL INTERNATIONAL CORPORATION	189	0.23	186	0.20	27	0.02	30	0.02
MEDANITO S.A.	180	0.22	186	0.20	456	0.37	433	0.35
GRAN TIERRA ENERGY ARGENTINA S.R.L.	133	0.16	121	0.13	19	0.02	19	0.02
APACHE PETROLERA ARGENTINA S.A.	99	0.12	91	0.10	27	0.02	41	0.03
SAN JORGE PETROLEUM S.A	77	0.09	83	0.09	165	0.13	168	0.14
COLHUE HUAPI S.A.	70	0.08	74	0.08	17	0.01	17	0.01
PETROLERA SAN JOSE S.R.L.	73	0.09	65	0.07	6	0.00	5	0.00
DAPETROL S.A	64	0.08	65	0.07	0	0.00	0	0.00
INGENIERIA ALPA S.A.	35	0.04	75	0.08	1	0.00	11	0.01
CGC	31	0.04	51	0.05	48	0.04	66	0.05
EPSUR S.A	30	0.04	27	0.03	9	0.01	9	0.01
CRI HOLDING INC; SUCURSAL ARGENTINA	18	0.02	20	0.02	0	0.00	0	0.00
GRECOIL Y CIA. SRL	17	0.02	16	0.02	1	0.00	1	0.00
CENTRAL PATAGONIA S.R.L.	15	0.02	13	0.01	0	0.00	0	0.00
GEOPARK ARGENTINA LIMITED (SUC.ARG)	12	0.01	12	0.01	2	0.00	2	0.00
INGENIERIA SIMA S.A.	4	0.00	3	0.00	0	0.00	0	0.00
APCO ARGENTINA	0	0.00	0	0.00	0	0.00	0	0.00
ARPETROL ARGENTINA S.A	0	0.00	0	0.00	58	0.05	58	0.05
MISAHAR ARGENTINA	0	0.00	0	0.00	0	0.00	0	0.00
PETROLERA PIEDRA DEL AGUILA	0	0.00	0	0.00	26	0.02	23	0.02
Totales	82,107	100.00	94,866	100.00	122,776	100.00	123,079	100.00