Producción por operador
Operador	Petroleo				Gas natural
	3/2012		4/2012		3/2012		4/2012
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	32,169	35.08	31,562	34.83	28,267	23.35	28,017	22.88
PAN AMERICAN	17,259	18.82	17,027	18.79	14,943	12.34	14,481	11.83
PETROBRAS ARGENTINA S.A.	6,158	6.72	6,126	6.76	11,231	9.28	11,034	9.01
SINOPEC ARGENTINA EXPLORATION INC	5,955	6.49	5,990	6.61	2,050	1.69	2,098	1.71
PLUSPETROL S.A.	5,949	6.49	5,815	6.42	3,134	2.59	3,511	2.87
CHEVRON ARGENTINA S.R.L.	5,038	5.49	4,810	5.31	725	0.60	644	0.53
TECPETROL S.A.	3,771	4.11	3,637	4.01	4,064	3.36	4,124	3.37
TOTAL AUSTRAL S.A.	2,826	3.08	2,904	3.20	35,881	29.64	37,427	30.57
PETROLERA ENTRE LOMAS S.A.	2,380	2.60	2,419	2.67	1,231	1.02	1,209	0.99
COMPAÑIAS ASOCIADAS PETROLERAS S.A.	1,812	1.98	1,735	1.91	64	0.05	72	0.06
ENAP SIPETROL ARGENTINA S.A.	1,467	1.60	1,486	1.64	1,477	1.22	1,840	1.50
PETROQUIMICA COM. RIVADAVIA S.A.	1,089	1.19	1,068	1.18	591	0.49	742	0.61
APACHE ENERGIA ARGENTINA S.R.L	1,023	1.12	1,000	1.10	4,866	4.02	4,779	3.90
PETROLERA LF COMPANY S.R.L	753	0.82	750	0.83	4,036	3.33	4,084	3.34
ROCH S.A.	540	0.59	549	0.61	1,805	1.49	1,795	1.47
CHAÑARES HERRADOS S.A.	480	0.52	518	0.57	19	0.02	21	0.02
PETROLERA EL TREBOL	321	0.35	324	0.36	9	0.01	9	0.01
PETROLIFERA P. (AMERICAS) LIMITED	276	0.30	249	0.27	179	0.15	167	0.14
ENARSA	276	0.30	248	0.27	15	0.01	16	0.01
PETROLEOS SUDAMERICANOS S.A.	262	0.29	252	0.28	28	0.02	28	0.02
CENTRAL INTERNATIONAL CORPORATION	246	0.27	253	0.28	22	0.02	20	0.02
GRAN TIERRA ENERGY ARGENTINA S.R.L.	131	0.14	370	0.41	20	0.02	42	0.03
PLUSPETROL ENERGY S.A	251	0.27	244	0.27	3,683	3.04	3,605	2.94
MEDANITO S.A.	246	0.27	242	0.27	480	0.40	531	0.43
OILSTONE ENERGÍA S.A.	176	0.19	176	0.19	110	0.09	116	0.09
APACHE PETROLERA ARGENTINA S.A.	128	0.14	130	0.14	36	0.03	35	0.03
CAPEX S.A.	118	0.13	127	0.14	1,747	1.44	1,706	1.39
SAN JORGE PETROLEUM S.A	98	0.11	98	0.11	103	0.09	100	0.08
COLHUE HUAPI S.A.	80	0.09	77	0.09	17	0.01	17	0.01
PETROLERA CERRO NEGRO S.A.	58	0.06	86	0.09	35	0.03	59	0.05
INGENIERIA ALPA S.A.	72	0.08	67	0.07	7	0.01	6	0.01
DAPETROL S.A	61	0.07	61	0.07	0	0.00	0	0.00
JHP INTERNATIONAL PETROLEUM LTD.	53	0.06	53	0.06	13	0.01	13	0.01
PETROLERA SAN JOSE S.R.L.	33	0.04	29	0.03	3	0.00	2	0.00
EPSUR S.A	26	0.03	36	0.04	7	0.01	10	0.01
GRECOIL Y CIA. SRL	24	0.03	25	0.03	5	0.00	5	0.00
UNITEC ENERGY S.A	9	0.01	33	0.04	1	0.00	1	0.00
PETROLERA PATAGONIA S.R.L.	24	0.03	0	0.00	0	0.00	0	0.00
CRI HOLDING INC; SUCURSAL ARGENTINA	9	0.01	10	0.01	0	0.00	0	0.00
CGC	12	0.01	4	0.00	102	0.08	31	0.02
GEOPARK ARGENTINA LIMITED (SUC.ARG)	8	0.01	8	0.01	2	0.00	2	0.00
GOLDEN OIL CORPORATION SUC.ARG.	9	0.01	3	0.00	6	0.01	3	0.00
GAS Y PETROLEO DEL NEUQUEN S.A.	5	0.01	5	0.01	2	0.00	2	0.00
INTERENERGY ARGENTINA S.A.	5	0.01	5	0.01	0	0.00	0	0.00
INGENIERIA SIMA S.A.	6	0.01	4	0.00	0	0.00	0	0.00
NECON S.A.	5	0.01	4	0.00	0	0.00	0	0.00
ARPETROL ARGENTINA S.A	2	0.00	3	0.00	46	0.04	45	0.04
MISAHAR ARGENTINA	1	0.00	1	0.00	0	0.00	1	0.00
Totales	91,702	100.00	90,620	100.00	121,060	100.00	122,448	100.00