Producción por operador
Operador	Petroleo				Gas natural
	11/2008		12/2008		11/2008		12/2008
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	35,722	34.60	34,976	35.05	35,367	26.35	36,111	27.42
PAN AMERICAN	17,395	16.85	15,910	15.94	17,783	13.25	17,277	13.12
CHEVRON SAN JORGE S.A.	7,905	7.66	7,736	7.75	2,432	1.81	2,330	1.77
PESA (PETROBRAS E.S.A.)	7,388	7.16	7,247	7.26	12,888	9.60	12,160	9.23
OCCIDENTAL EXPLORATION INC.	6,673	6.46	5,832	5.84	1,663	1.24	1,700	1.29
PETRO ANDINA RESOURCES LTD.	4,696	4.55	4,850	4.86	133	0.10	125	0.09
TECPETROL S.A.	4,741	4.59	4,755	4.76	5,088	3.79	5,105	3.88
TOTAL AUSTRAL S.A.	3,379	3.27	3,220	3.23	32,727	24.39	31,064	23.59
PLUSPETROL S.A.	2,486	2.41	2,553	2.56	9,712	7.24	9,995	7.59
PETROLERA ENTRE LOMAS S.A.	2,228	2.16	2,252	2.26	951	0.71	962	0.73
ENAP SIPETROL ARGENTINA S.A.	2,002	1.94	1,942	1.95	2,478	1.85	2,618	1.99
CAPSA CAPEX	1,918	1.86	1,801	1.80	2,110	1.57	2,114	1.61
APACHE ENERGIA ARGENTINA S.R.L	1,268	1.23	1,280	1.28	3,965	2.95	3,757	2.85
PETROLERA LF COMPANY S.R.L	1,079	1.05	1,061	1.06	5,149	3.84	4,657	3.54
PETROLIFERA P. (AMERICAS) LIMITED	1,045	1.01	958	0.96	189	0.14	212	0.16
PETROQUIMICA COM. RIVADAVIA S.A.	840	0.81	921	0.92	431	0.32	367	0.28
CHAÑARES HERRADOS S.A.	549	0.53	606	0.61	23	0.02	26	0.02
PETROLERA EL TREBOL	317	0.31	304	0.30	7	0.01	7	0.01
ROCH S.A.	319	0.31	271	0.27	639	0.48	588	0.45
PET. SUDAMERICANOS NECON-UTE	278	0.27	267	0.27	31	0.02	30	0.02
CENTRAL INTERNATIONAL CORPORATION	189	0.18	191	0.19	20	0.01	20	0.02
GRAN TIERRA ENERGY ARGENTINA S.A.	159	0.15	217	0.22	8	0.01	14	0.01
MEDANITO S.A.	165	0.16	161	0.16	272	0.20	276	0.21
APACHE PETROLERA ARGENTINA S.A.	161	0.16	135	0.13	31	0.02	26	0.02
PETROLERA SAN JOSE S.R.L.	100	0.10	105	0.10	8	0.01	9	0.01
COLHUE HUAPI S.A.	76	0.07	75	0.08	17	0.01	17	0.01
EPSUR S.A	39	0.04	37	0.04	13	0.01	13	0.01
CRI HOLDING INC; SUCURSAL ARGENTINA	36	0.04	32	0.03	2	0.00	1	0.00
INGENIERIA ALPA S.A.	29	0.03	23	0.02	3	0.00	3	0.00
CENTRAL PATAGONIA S.R.L.	23	0.02	23	0.02	0	0.00	0	0.00
GRECOIL Y CIA. SRL	19	0.02	23	0.02	1	0.00	1	0.00
CLEAR S.R.L.	17	0.02	16	0.02	16	0.01	16	0.01
GEOPARK ARGENTINA LIMITED (SUC.ARG)	9	0.01	9	0.01	4	0.00	4	0.00
CGC	6	0.01	8	0.01	25	0.02	37	0.03
MISAHAR ARGENTINA	1	0.00	1	0.00	1	0.00	1	0.00
PETROLERA PIEDRA DEL AGUILA	0	0.00	0	0.00	21	0.02	36	0.03
APCO ARGENTINA	0	0.00	0	0.00	0	0.00	0	0.00
EZ HOLDINGS	0	0.00	0	0.00	0	0.00	0	0.00
GEODYNE S.A.	0	0.00	0	0.00	0	0.00	0	0.00
Totales	103,254	100.00	99,796	100.00	134,207	100.00	131,677	100.00