Producción por operador
Operador	Petroleo				Gas natural
	5/2009		6/2009		5/2009		6/2009
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	34,417	34.10	32,812	33.19	34,956	25.82	36,216	26.16
PAN AMERICAN	18,501	18.33	18,801	19.02	17,455	12.89	17,515	12.65
CHEVRON SAN JORGE S.A.	7,336	7.27	7,504	7.59	1,827	1.35	1,911	1.38
PESA (PETROBRAS E.S.A.)	6,668	6.61	6,810	6.89	12,545	9.27	13,340	9.63
OCCIDENTAL EXPLORATION INC.	7,036	6.97	5,634	5.70	2,009	1.48	1,735	1.25
TECPETROL S.A.	4,505	4.46	4,461	4.51	5,017	3.71	4,972	3.59
PETRO ANDINA RESOURCES LTD.	4,253	4.21	4,386	4.44	132	0.10	148	0.11
TOTAL AUSTRAL S.A.	3,493	3.46	3,615	3.66	35,825	26.46	36,382	26.28
PETROLERA ENTRE LOMAS S.A.	2,176	2.16	2,238	2.26	1,000	0.74	999	0.72
PLUSPETROL S.A.	2,037	2.02	2,065	2.09	4,291	3.17	4,196	3.03
CAPSA CAPEX	1,958	1.94	1,940	1.96	1,987	1.47	1,971	1.42
ENAP SIPETROL ARGENTINA S.A.	1,611	1.60	1,674	1.69	1,907	1.41	2,108	1.52
APACHE ENERGIA ARGENTINA S.R.L	1,245	1.23	1,168	1.18	3,804	2.81	3,816	2.76
PETROQUIMICA COM. RIVADAVIA S.A.	1,156	1.15	1,243	1.26	674	0.50	691	0.50
PETROLERA LF COMPANY S.R.L	1,014	1.00	1,047	1.06	4,455	3.29	4,603	3.32
PETROLIFERA P. (AMERICAS) LIMITED	725	0.72	689	0.70	229	0.17	208	0.15
CHAÑARES HERRADOS S.A.	538	0.53	498	0.50	20	0.01	18	0.01
PLUSPETROL ENERGY S.A	364	0.36	389	0.39	5,817	4.30	6,085	4.39
ROCH S.A.	321	0.32	335	0.34	864	0.64	970	0.70
PETROLERA EL TREBOL	288	0.29	299	0.30	7	0.01	7	0.01
PET. SUDAMERICANOS NECON-UTE	263	0.26	254	0.26	29	0.02	29	0.02
CENTRAL INTERNATIONAL CORPORATION	182	0.18	200	0.20	20	0.02	20	0.01
GRAN TIERRA ENERGY ARGENTINA S.A.	177	0.18	114	0.12	17	0.01	8	0.01
MEDANITO S.A.	134	0.13	132	0.13	326	0.24	356	0.26
APACHE PETROLERA ARGENTINA S.A.	129	0.13	126	0.13	20	0.01	23	0.02
PETROLERA SAN JOSE S.R.L.	94	0.09	91	0.09	8	0.01	8	0.01
DAPETROL S.A	76	0.08	76	0.08	0	0.00	0	0.00
COLHUE HUAPI S.A.	75	0.07	72	0.07	17	0.01	17	0.01
CRI HOLDING INC; SUCURSAL ARGENTINA	35	0.03	33	0.03	1	0.00	1	0.00
EPSUR S.A	29	0.03	30	0.03	11	0.01	11	0.01
INGENIERIA ALPA S.A.	27	0.03	24	0.02	3	0.00	3	0.00
CENTRAL PATAGONIA S.R.L.	20	0.02	22	0.02	0	0.00	0	0.00
CGC	19	0.02	17	0.02	40	0.03	40	0.03
GRECOIL Y CIA. SRL	13	0.01	20	0.02	0	0.00	1	0.00
CLEAR S.R.L.	16	0.02	15	0.01	20	0.01	19	0.01
GEOPARK ARGENTINA LIMITED (SUC.ARG)	10	0.01	10	0.01	4	0.00	4	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
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	32	0.02	30	0.02
Totales	100,941	100.00	98,846	100.00	135,368	100.00	138,456	100.00