Producción por operador
Operador	Petroleo				Gas natural
	4/2008		5/2008		4/2008		5/2008
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	36,365	35.59	26,145	31.55	36,840	26.73	35,540	26.91
PAN AMERICAN	17,213	16.85	15,382	18.56	17,899	12.98	18,064	13.68
CHEVRON SAN JORGE S.A.	8,276	8.10	7,578	9.14	2,413	1.75	1,218	0.92
PESA (PETROBRAS E.S.A.)	7,460	7.30	6,535	7.89	13,001	9.43	9,469	7.17
TECPETROL S.A.	5,037	4.93	4,831	5.83	4,650	3.37	4,882	3.70
TOTAL AUSTRAL S.A.	3,538	3.46	3,775	4.55	34,601	25.10	38,156	28.89
PETRO ANDINA RESOURCES LTD.	3,577	3.50	3,514	4.24	81	0.06	83	0.06
OCCIDENTAL EXPLORATION INC.	6,073	5.94	922	1.11	1,764	1.28	294	0.22
PLUSPETROL S.A.	2,467	2.41	2,575	3.11	11,183	8.11	11,001	8.33
PETROLERA ENTRE LOMAS S.A.	2,020	1.98	2,000	2.41	899	0.65	879	0.67
CAPSA CAPEX	1,758	1.72	1,726	2.08	2,303	1.67	2,248	1.70
ENAP SIPETROL ARGENTINA S.A.	1,743	1.71	1,103	1.33	1,831	1.33	790	0.60
APACHE ENERGIA ARGENTINA S.R.L	1,250	1.22	1,258	1.52	3,216	2.33	1,833	1.39
PETROLIFERA P. (AMERICAS) LIMITED	1,157	1.13	1,088	1.31	243	0.18	216	0.16
PETROLERA LF COMPANY S.R.L	1,006	0.98	1,082	1.31	5,223	3.79	5,730	4.34
PETROQUIMICA COM. RIVADAVIA S.A.	1,005	0.98	1,001	1.21	523	0.38	533	0.40
CHAÑARES HERRADOS S.A.	572	0.56	627	0.76	22	0.02	23	0.02
ROCH S.A.	332	0.33	305	0.37	599	0.43	555	0.42
PET. SUDAMERICANOS NECON-UTE	285	0.28	253	0.31	99	0.07	76	0.06
PETROLERA EL TREBOL	122	0.12	306	0.37	6	0.00	8	0.01
CENTRAL INTERNATIONAL CORPORATION	194	0.19	186	0.22	20	0.01	20	0.02
MEDANITO S.A.	185	0.18	180	0.22	293	0.21	331	0.25
PETROLERA SAN JOSE S.R.L.	101	0.10	101	0.12	8	0.01	8	0.01
GRAN TIERRA ENERGY ARGENTINA S.A.	90	0.09	105	0.13	1	0.00	1	0.00
APACHE PETROLERA ARGENTINA S.A.	77	0.07	83	0.10	22	0.02	20	0.02
COLHUE HUAPI S.A.	77	0.08	74	0.09	17	0.01	17	0.01
EPSUR S.A	49	0.05	34	0.04	17	0.01	12	0.01
CRI HOLDING INC; SUCURSAL ARGENTINA	27	0.03	31	0.04	1	0.00	1	0.00
CLEAR S.R.L.	25	0.02	21	0.03	21	0.02	22	0.02
CENTRAL PATAGONIA S.R.L.	21	0.02	22	0.03	0	0.00	0	0.00
GRECOIL Y CIA. SRL	20	0.02	23	0.03	1	0.00	1	0.00
INGENIERIA ALPA S.A.	25	0.02	0	0.00	1	0.00	0	0.00
GEOPARK ARGENTINA LIMITED (SUC.ARG)	11	0.01	10	0.01	4	0.00	4	0.00
CGC	5	0.01	5	0.01	2	0.00	2	0.00
MISAHAR ARGENTINA	4	0.00	0	0.00	0	0.00	0	0.00
APCO ARGENTINA	1	0.00	0	0.00	0	0.00	0	0.00
PETROLERA PIEDRA DEL AGUILA	0	0.00	0	0.00	39	0.03	20	0.02
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	102,166	100.00	82,883	100.00	137,845	100.00	132,059	100.00