Producción por operador
Operador	Petroleo				Gas natural
	5/2011		6/2011		5/2011		6/2011
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	23,900	28.65	25,690	30.35	28,169	22.54	28,630	22.51
PAN AMERICAN	18,089	21.69	18,026	21.29	15,668	12.54	15,860	12.47
PETROBRAS ARGENTINA S.A.	6,000	7.19	6,028	7.12	11,194	8.96	11,656	9.16
CHEVRON ARGENTINA S.R.L.	5,708	6.84	5,606	6.62	699	0.56	716	0.56
PETRO ANDINA RESOURCES LTD.	4,484	5.38	4,488	5.30	201	0.16	208	0.16
SINOPEC ARGENTINA EXPLORATION INC	4,249	5.09	4,006	4.73	1,235	0.99	1,292	1.02
TECPETROL S.A.	3,920	4.70	3,937	4.65	4,187	3.35	4,183	3.29
TOTAL AUSTRAL S.A.	3,164	3.79	3,212	3.79	38,786	31.04	39,606	31.14
PETROLERA ENTRE LOMAS S.A.	2,361	2.83	2,325	2.75	1,190	0.95	1,143	0.90
PLUSPETROL S.A.	1,878	2.25	1,892	2.24	4,116	3.29	3,924	3.08
COMPAÑIAS ASOCIADAS PETROLERAS S.A.	1,803	2.16	1,726	2.04	66	0.05	59	0.05
PETROQUIMICA COM. RIVADAVIA S.A.	1,214	1.46	1,169	1.38	738	0.59	716	0.56
ENAP SIPETROL ARGENTINA S.A.	1,200	1.44	1,128	1.33	883	0.71	869	0.68
APACHE ENERGIA ARGENTINA S.R.L	991	1.19	969	1.14	4,513	3.61	4,677	3.68
PETROLERA LF COMPANY S.R.L	807	0.97	845	1.00	4,260	3.41	4,604	3.62
ROCH S.A.	685	0.82	631	0.75	1,804	1.44	1,777	1.40
CHAÑARES HERRADOS S.A.	481	0.58	525	0.62	19	0.02	20	0.02
PETROLIFERA P. (AMERICAS) LIMITED	298	0.36	303	0.36	141	0.11	157	0.12
PETROLERA EL TREBOL	282	0.34	279	0.33	10	0.01	11	0.01
PLUSPETROL ENERGY S.A	275	0.33	274	0.32	4,271	3.42	4,318	3.39
PET. SUDAMERICANOS NECON-UTE	246	0.30	246	0.29	28	0.02	29	0.02
CENTRAL INTERNATIONAL CORPORATION	180	0.22	195	0.23	26	0.02	28	0.02
MEDANITO S.A.	168	0.20	192	0.23	497	0.40	515	0.41
OILSTONE ENERGÍA S.A.	133	0.16	125	0.15	103	0.08	106	0.08
CAPEX S.A.	128	0.15	128	0.15	1,830	1.46	1,802	1.42
GRAN TIERRA ENERGY ARGENTINA S.R.L.	111	0.13	104	0.12	19	0.01	18	0.01
APACHE PETROLERA ARGENTINA S.A.	113	0.14	91	0.11	43	0.03	29	0.02
COLHUE HUAPI S.A.	79	0.09	83	0.10	17	0.01	17	0.01
ENARSA	77	0.09	74	0.09	4	0.00	4	0.00
SAN JORGE PETROLEUM S.A	76	0.09	72	0.09	118	0.09	115	0.09
PETROLERA SAN JOSE S.R.L.	71	0.08	71	0.08	6	0.00	6	0.00
DAPETROL S.A	64	0.08	66	0.08	0	0.00	0	0.00
INGENIERIA ALPA S.A.	50	0.06	35	0.04	6	0.01	5	0.00
CENTRAL PATAGONIA S.R.L.	20	0.02	24	0.03	0	0.00	0	0.00
CRI HOLDING INC; SUCURSAL ARGENTINA	20	0.02	17	0.02	0	0.00	0	0.00
GRECOIL Y CIA. SRL	16	0.02	18	0.02	1	0.00	1	0.00
CGC	19	0.02	15	0.02	45	0.04	39	0.03
EPSUR S.A	16	0.02	13	0.02	5	0.00	5	0.00
GEOPARK ARGENTINA LIMITED (SUC.ARG)	11	0.01	11	0.01	3	0.00	3	0.00
GAS Y PETROLEO DEL NEUQUEN S.A.	8	0.01	7	0.01	0	0.00	0	0.00
INTERENERGY ARGENTINA S.A.	6	0.01	6	0.01	0	0.00	0	0.00
INGENIERIA SIMA S.A.	3	0.00	3	0.00	0	0.00	0	0.00
MISAHAR ARGENTINA	0	0.00	0	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	56	0.05	48	0.04
PETROLERA PIEDRA DEL AGUILA	0	0.00	0	0.00	0	0.00	0	0.00
Totales	83,407	100.00	84,655	100.00	124,956	100.00	127,196	100.00