Producción por operador
Operador	Petroleo				Gas natural
	3/2008		4/2008		3/2008		4/2008
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	37,185	36.05	36,365	35.59	38,601	27.92	36,840	26.73
PAN AMERICAN	17,121	16.60	17,213	16.85	17,470	12.64	17,899	12.98
CHEVRON SAN JORGE S.A.	8,465	8.21	8,276	8.10	2,510	1.82	2,413	1.75
PESA (PETROBRAS E.S.A.)	7,536	7.31	7,460	7.30	13,106	9.48	13,001	9.43
OCCIDENTAL EXPLORATION INC.	6,149	5.96	6,073	5.94	1,833	1.33	1,764	1.28
TECPETROL S.A.	4,974	4.82	5,037	4.93	4,537	3.28	4,650	3.37
TOTAL AUSTRAL S.A.	3,590	3.48	3,538	3.46	34,527	24.98	34,601	25.10
PETRO ANDINA RESOURCES LTD.	3,353	3.25	3,577	3.50	60	0.04	81	0.06
PLUSPETROL S.A.	2,517	2.44	2,467	2.41	11,268	8.15	11,183	8.11
PETROLERA ENTRE LOMAS S.A.	1,988	1.93	2,020	1.98	904	0.65	899	0.65
CAPSA CAPEX	1,778	1.72	1,758	1.72	2,327	1.68	2,303	1.67
ENAP SIPETROL ARGENTINA S.A.	1,625	1.58	1,743	1.71	1,407	1.02	1,831	1.33
APACHE ENERGIA ARGENTINA S.R.L	1,247	1.21	1,250	1.22	3,029	2.19	3,216	2.33
PETROLIFERA P. (AMERICAS) LIMITED	1,228	1.19	1,157	1.13	253	0.18	243	0.18
PETROQUIMICA COM. RIVADAVIA S.A.	1,021	0.99	1,005	0.98	560	0.40	523	0.38
PETROLERA LF COMPANY S.R.L	983	0.95	1,006	0.98	4,707	3.41	5,223	3.79
CHAÑARES HERRADOS S.A.	512	0.50	572	0.56	20	0.01	22	0.02
ROCH S.A.	332	0.32	332	0.33	592	0.43	599	0.43
PET. SUDAMERICANOS NECON-UTE	301	0.29	285	0.28	107	0.08	99	0.07
PETROLERA EL TREBOL	315	0.31	122	0.12	9	0.01	6	0.00
CENTRAL INTERNATIONAL CORPORATION	194	0.19	194	0.19	20	0.01	20	0.01
MEDANITO S.A.	186	0.18	185	0.18	246	0.18	293	0.21
PETROLERA SAN JOSE S.R.L.	108	0.10	101	0.10	8	0.01	8	0.01
GRAN TIERRA ENERGY ARGENTINA S.A.	84	0.08	90	0.09	1	0.00	1	0.00
APACHE PETROLERA ARGENTINA S.A.	86	0.08	77	0.07	24	0.02	22	0.02
COLHUE HUAPI S.A.	80	0.08	77	0.08	17	0.01	17	0.01
EPSUR S.A	41	0.04	49	0.05	20	0.01	17	0.01
CRI HOLDING INC; SUCURSAL ARGENTINA	28	0.03	27	0.03	1	0.00	1	0.00
INGENIERIA ALPA S.A.	29	0.03	25	0.02	2	0.00	1	0.00
CENTRAL PATAGONIA S.R.L.	26	0.03	21	0.02	0	0.00	0	0.00
CLEAR S.R.L.	22	0.02	25	0.02	23	0.02	21	0.02
GRECOIL Y CIA. SRL	20	0.02	20	0.02	1	0.00	1	0.00
GEOPARK ARGENTINA LIMITED (SUC.ARG)	13	0.01	11	0.01	4	0.00	4	0.00
CGC	5	0.00	5	0.01	3	0.00	2	0.00
MISAHAR ARGENTINA	4	0.00	0	0.00	0	0.00	0	0.00
APCO ARGENTINA	1	0.00	1	0.00	0	0.00	0	0.00
PETROLERA PIEDRA DEL AGUILA	0	0.00	0	0.00	39	0.03	39	0.03
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	103,146	100.00	102,166	100.00	138,236	100.00	137,845	100.00