Producción por operador
Operador	Petroleo				Gas natural
	3/2009		4/2009		3/2009		4/2009
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	35,398	34.39	35,140	34.50	36,092	26.66	35,961	26.54
PAN AMERICAN	18,079	17.56	18,133	17.80	17,517	12.94	16,754	12.37
CHEVRON SAN JORGE S.A.	6,887	6.69	7,521	7.38	2,086	1.54	2,057	1.52
PESA (PETROBRAS E.S.A.)	7,138	6.93	7,024	6.90	13,751	10.16	13,870	10.24
OCCIDENTAL EXPLORATION INC.	7,332	7.12	6,483	6.36	2,024	1.50	2,048	1.51
PETRO ANDINA RESOURCES LTD.	5,061	4.92	4,446	4.36	156	0.12	154	0.11
TECPETROL S.A.	4,506	4.38	4,530	4.45	5,199	3.84	5,035	3.72
TOTAL AUSTRAL S.A.	3,353	3.26	3,430	3.37	33,465	24.72	34,627	25.56
PETROLERA ENTRE LOMAS S.A.	2,211	2.15	2,217	2.18	980	0.72	987	0.73
PLUSPETROL S.A.	2,242	2.18	2,181	2.14	4,164	3.08	4,142	3.06
CAPSA CAPEX	1,872	1.82	1,891	1.86	2,130	1.57	2,080	1.53
ENAP SIPETROL ARGENTINA S.A.	1,696	1.65	1,787	1.75	1,600	1.18	2,070	1.53
APACHE ENERGIA ARGENTINA S.R.L	1,348	1.31	1,325	1.30	3,943	2.91	3,846	2.84
PETROQUIMICA COM. RIVADAVIA S.A.	1,219	1.18	1,229	1.21	625	0.46	659	0.49
PETROLERA LF COMPANY S.R.L	1,007	0.98	964	0.95	4,634	3.42	4,577	3.38
PETROLIFERA P. (AMERICAS) LIMITED	733	0.71	743	0.73	230	0.17	233	0.17
CHAÑARES HERRADOS S.A.	603	0.59	572	0.56	23	0.02	21	0.02
PLUSPETROL ENERGY S.A	354	0.34	320	0.31	5,412	4.00	4,969	3.67
ROCH S.A.	288	0.28	325	0.32	801	0.59	874	0.64
PETROLERA EL TREBOL	295	0.29	300	0.29	7	0.01	7	0.01
PET. SUDAMERICANOS NECON-UTE	243	0.24	240	0.24	30	0.02	29	0.02
CENTRAL INTERNATIONAL CORPORATION	200	0.19	199	0.20	20	0.02	20	0.02
GRAN TIERRA ENERGY ARGENTINA S.A.	194	0.19	177	0.17	13	0.01	12	0.01
MEDANITO S.A.	149	0.14	147	0.14	292	0.22	289	0.21
APACHE PETROLERA ARGENTINA S.A.	111	0.11	117	0.11	22	0.02	20	0.01
PETROLERA SAN JOSE S.R.L.	91	0.09	89	0.09	8	0.01	8	0.01
DAPETROL S.A	74	0.07	77	0.08	0	0.00	0	0.00
COLHUE HUAPI S.A.	74	0.07	73	0.07	17	0.01	17	0.01
CRI HOLDING INC; SUCURSAL ARGENTINA	37	0.04	33	0.03	1	0.00	1	0.00
EPSUR S.A	28	0.03	30	0.03	9	0.01	11	0.01
INGENIERIA ALPA S.A.	21	0.02	27	0.03	2	0.00	3	0.00
CENTRAL PATAGONIA S.R.L.	24	0.02	22	0.02	0	0.00	0	0.00
CGC	23	0.02	21	0.02	41	0.03	43	0.03
GRECOIL Y CIA. SRL	18	0.02	17	0.02	1	0.00	1	0.00
CLEAR S.R.L.	18	0.02	17	0.02	18	0.01	17	0.01
GEOPARK ARGENTINA LIMITED (SUC.ARG)	7	0.01	9	0.01	4	0.00	4	0.00
MISAHAR ARGENTINA	1	0.00	1	0.00	0	0.00	0	0.00
APCO ARGENTINA	0	0.00	0	0.00	0	0.00	0	0.00
GOLDEN OIL CORPORATION SUC.ARG.	0	0.00	0	0.00	0	0.00	0	0.00
PETROLERA PIEDRA DEL AGUILA	0	0.00	0	0.00	43	0.03	36	0.03
Totales	102,935	100.00	101,858	100.00	135,357	100.00	135,483	100.00