Producción por operador
Operador	Petroleo				Gas natural
	11/2011		12/2011		11/2011		12/2011
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	33,380	35.43	32,454	34.81	28,680	22.99	28,293	23.00
PAN AMERICAN	17,861	18.96	18,104	19.42	15,481	12.41	15,676	12.74
PETROBRAS ARGENTINA S.A.	6,356	6.75	6,320	6.78	11,938	9.57	11,667	9.49
PLUSPETROL S.A.	6,097	6.47	6,099	6.54	3,861	3.09	3,732	3.03
SINOPEC ARGENTINA EXPLORATION INC	6,026	6.40	6,070	6.51	2,070	1.66	2,080	1.69
CHEVRON ARGENTINA S.R.L.	5,382	5.71	5,252	5.63	721	0.58	700	0.57
TECPETROL S.A.	3,912	4.15	3,821	4.10	4,181	3.35	4,134	3.36
TOTAL AUSTRAL S.A.	3,002	3.19	2,866	3.07	37,358	29.95	35,919	29.20
PETROLERA ENTRE LOMAS S.A.	2,411	2.56	2,368	2.54	1,165	0.93	1,181	0.96
COMPAÑIAS ASOCIADAS PETROLERAS S.A.	1,784	1.89	1,793	1.92	68	0.05	70	0.06
ENAP SIPETROL ARGENTINA S.A.	1,148	1.22	1,330	1.43	852	0.68	1,334	1.08
PETROQUIMICA COM. RIVADAVIA S.A.	1,140	1.21	1,150	1.23	747	0.60	724	0.59
APACHE ENERGIA ARGENTINA S.R.L	968	1.03	1,031	1.11	4,701	3.77	4,933	4.01
PETROLERA LF COMPANY S.R.L	759	0.81	633	0.68	4,188	3.36	3,887	3.16
ROCH S.A.	634	0.67	572	0.61	1,874	1.50	1,891	1.54
CHAÑARES HERRADOS S.A.	543	0.58	536	0.58	22	0.02	22	0.02
PETROLIFERA P. (AMERICAS) LIMITED	287	0.30	254	0.27	193	0.15	189	0.15
PETROLEOS SUDAMERICANOS S.A.	265	0.28	261	0.28	30	0.02	30	0.02
PETROLERA EL TREBOL	264	0.28	260	0.28	8	0.01	6	0.01
MEDANITO S.A.	265	0.28	249	0.27	467	0.37	427	0.35
PLUSPETROL ENERGY S.A	260	0.28	253	0.27	3,890	3.12	3,844	3.12
CENTRAL INTERNATIONAL CORPORATION	188	0.20	229	0.25	16	0.01	29	0.02
OILSTONE ENERGÍA S.A.	153	0.16	164	0.18	104	0.08	105	0.09
CAPEX S.A.	140	0.15	132	0.14	1,799	1.44	1,804	1.47
ENARSA	109	0.12	143	0.15	3	0.00	4	0.00
GRAN TIERRA ENERGY ARGENTINA S.R.L.	121	0.13	118	0.13	19	0.01	18	0.01
APACHE PETROLERA ARGENTINA S.A.	115	0.12	113	0.12	33	0.03	29	0.02
SAN JORGE PETROLEUM S.A	116	0.12	99	0.11	97	0.08	101	0.08
INGENIERIA ALPA S.A.	103	0.11	106	0.11	10	0.01	10	0.01
COLHUE HUAPI S.A.	85	0.09	80	0.09	17	0.01	17	0.01
DAPETROL S.A	66	0.07	68	0.07	0	0.00	0	0.00
PETROLERA CERRO NEGRO S.A.	41	0.04	76	0.08	26	0.02	25	0.02
JHP INTERNATIONAL PETROLEUM LTD.	57	0.06	56	0.06	13	0.01	13	0.01
PETROLERA SAN JOSE S.R.L.	48	0.05	41	0.04	4	0.00	3	0.00
EPSUR S.A	26	0.03	22	0.02	8	0.01	7	0.01
GRECOIL Y CIA. SRL	16	0.02	15	0.02	1	0.00	1	0.00
CRI HOLDING INC; SUCURSAL ARGENTINA	14	0.01	13	0.01	0	0.00	0	0.00
CENTRAL PATAGONIA S.R.L.	13	0.01	13	0.01	0	0.00	0	0.00
CGC	11	0.01	9	0.01	32	0.03	31	0.03
GAS Y PETROLEO DEL NEUQUEN S.A.	5	0.00	15	0.02	1	0.00	1	0.00
GEOPARK ARGENTINA LIMITED (SUC.ARG)	9	0.01	8	0.01	2	0.00	2	0.00
GOLDEN OIL CORPORATION SUC.ARG.	9	0.01	8	0.01	5	0.00	6	0.00
INTERENERGY ARGENTINA S.A.	6	0.01	7	0.01	0	0.00	0	0.00
INGENIERIA SIMA S.A.	6	0.01	6	0.01	0	0.00	0	0.00
UNITEC ENERGY S.A	4	0.00	2	0.00	1	0.00	2	0.00
MISAHAR ARGENTINA	5	0.01	1	0.00	8	0.01	2	0.00
ARPETROL ARGENTINA S.A	2	0.00	1	0.00	47	0.04	54	0.04
NECON S.A.	0	0.00	1	0.00	0	0.00	0	0.00
Totales	94,212	100.00	93,225	100.00	124,738	100.00	123,003	100.00