Producción por operador
Operador	Petroleo				Gas natural
	12/2005		1/2006		12/2005		1/2006
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	41,776	40.20	41,861	40.51	37,449	27.96	36,327	26.57
PAN AMERICAN	17,284	16.63	16,575	16.04	18,511	13.82	18,639	13.63
PESA (PETROBRAS E.S.A.)	9,701	9.33	9,770	9.45	12,942	9.66	13,016	9.52
CHEVRON SAN JORGE S.A.	8,680	8.35	8,765	8.48	2,617	1.95	2,784	2.04
VINTAGE OIL	5,891	5.67	5,603	5.42	1,361	1.02	1,432	1.05
TECPETROL S.A.	5,232	5.03	5,166	5.00	6,447	4.81	6,295	4.60
TOTAL AUSTRAL S.A.	3,464	3.33	3,318	3.21	30,911	23.08	34,397	25.16
PLUSPETROL S.A.	2,299	2.21	2,297	2.22	13,286	9.92	13,224	9.67
SIPETROL ARGENTINA S.A.	1,989	1.91	2,176	2.11	2,202	1.64	2,668	1.95
CAPSA CAPEX	1,788	1.72	1,830	1.77	2,630	1.96	2,726	1.99
PETROLERA ENTRE LOMAS S.A.	1,816	1.75	1,777	1.72	1,102	0.82	1,105	0.81
PIONEER NAT.RESOURCES ARG.S.A.	1,049	1.01	1,004	0.97	3,210	2.40	2,861	2.09
PETROQUIMICA COM. RIVADAVIA S.A.	761	0.73	671	0.65	512	0.38	511	0.37
CHAÑARES HERRADOS S.A.	485	0.47	523	0.51	18	0.01	20	0.01
PET. SUDAMERICANOS NECON-UTE	334	0.32	386	0.37	147	0.11	155	0.11
CENTRAL RESOURCES INC	236	0.23	242	0.23	22	0.02	22	0.02
ROCH S.A.	237	0.23	239	0.23	307	0.23	313	0.23
INGENIERIA ALPA S.A.	158	0.15	309	0.30	39	0.03	36	0.03
PETRO ANDINA RESOURCES LTD.	150	0.14	174	0.17	0	0.00	0	0.00
RME ARGENTINA S.A.	139	0.13	144	0.14	45	0.03	32	0.02
PETROLERA SAN JOSE S.R.L.	125	0.12	144	0.14	10	0.01	12	0.01
COLHUE HUAPI S.A.	102	0.10	96	0.09	15	0.01	15	0.01
OILGENER ARGENTINA Ltd.	55	0.05	76	0.07	5	0.00	5	0.00
CLEAR S.R.L. Y PETROMINERA CHUBUT	63	0.06	64	0.06	51	0.04	20	0.01
GAS MEDANITO S.A.	36	0.03	46	0.04	59	0.04	54	0.04
CENTRAL PATAGONIA S.R.L.	29	0.03	30	0.03	0	0.00	2	0.00
CGC	11	0.01	27	0.03	33	0.02	33	0.02
DONG WON CORPORATION	16	0.02	13	0.01	0	0.00	0	0.00
TECNICAGUA S.A.	8	0.01	8	0.01	5	0.00	5	0.00
INGENIERIA SIMA S.A.	4	0.00	3	0.00	0	0.00	0	0.00
APCO ARGENTINA	3	0.00	3	0.00	0	0.00	0	0.00
EPP PETROLEO S.A.	0	0.00	0	0.00	0	0.00	0	0.00
Totales	103,923	100.00	103,340	100.00	133,937	100.00	136,707	100.00