Producción por operador
Operador	Petroleo				Gas natural
	12/2009		1/2010		12/2009		1/2010
	m3/día	%	m3/día	%	Mm3/día	%	Mm3/día	%
YPF S.A.	32,237	33.18	34,183	34.65	28,923	23.20	30,638	24.46
PAN AMERICAN	18,263	18.80	18,237	18.49	17,164	13.77	16,729	13.36
CHEVRON SAN JORGE S.A.	6,838	7.04	6,796	6.89	1,055	0.85	792	0.63
PESA (PETROBRAS E.S.A.)	6,613	6.81	6,520	6.61	12,214	9.80	12,499	9.98
OCCIDENTAL EXPLORATION INC.	6,066	6.24	6,336	6.42	1,785	1.43	1,918	1.53
PETRO ANDINA RESOURCES LTD.	4,612	4.75	4,517	4.58	165	0.13	166	0.13
TECPETROL S.A.	4,343	4.47	4,277	4.34	4,378	3.51	4,209	3.36
TOTAL AUSTRAL S.A.	3,224	3.32	3,030	3.07	33,893	27.19	32,462	25.92
PETROLERA ENTRE LOMAS S.A.	2,218	2.28	2,197	2.23	961	0.77	924	0.74
PLUSPETROL S.A.	1,969	2.03	1,913	1.94	4,228	3.39	4,141	3.31
ENAP SIPETROL ARGENTINA S.A.	1,866	1.92	1,827	1.85	2,235	1.79	2,378	1.90
CAPSA CAPEX	1,791	1.84	1,795	1.82	1,222	0.98	1,940	1.55
PETROQUIMICA COM. RIVADAVIA S.A.	1,222	1.26	1,163	1.18	529	0.42	501	0.40
APACHE ENERGIA ARGENTINA S.R.L	1,086	1.12	1,072	1.09	3,480	2.79	3,473	2.77
PETROLERA LF COMPANY S.R.L	901	0.93	878	0.89	4,073	3.27	4,105	3.28
ROCH S.A.	750	0.77	737	0.75	1,981	1.59	2,005	1.60
CHAÑARES HERRADOS S.A.	673	0.69	664	0.67	25	0.02	23	0.02
PETROLIFERA P. (AMERICAS) LIMITED	622	0.64	592	0.60	147	0.12	140	0.11
PLUSPETROL ENERGY S.A	348	0.36	337	0.34	5,635	4.52	5,445	4.35
PETROLERA EL TREBOL	291	0.30	283	0.29	7	0.01	7	0.01
PET. SUDAMERICANOS NECON-UTE	269	0.28	265	0.27	29	0.02	29	0.02
CENTRAL INTERNATIONAL CORPORATION	203	0.21	195	0.20	20	0.02	19	0.02
GRAN TIERRA ENERGY ARGENTINA S.A.	122	0.13	149	0.15	5	0.00	24	0.02
MEDANITO S.A.	125	0.13	120	0.12	252	0.20	250	0.20
APACHE PETROLERA ARGENTINA S.A.	96	0.10	90	0.09	25	0.02	24	0.02
PETROLERA SAN JOSE S.R.L.	84	0.09	82	0.08	7	0.01	7	0.01
COLHUE HUAPI S.A.	76	0.08	78	0.08	17	0.01	17	0.01
DAPETROL S.A	73	0.08	74	0.08	0	0.00	0	0.00
SAN JORGE PETROLEUM S.A	2	0.00	107	0.11	5	0.00	256	0.20
INGENIERIA ALPA S.A.	38	0.04	28	0.03	3	0.00	3	0.00
CRI HOLDING INC; SUCURSAL ARGENTINA	23	0.02	26	0.03	1	0.00	1	0.00
CENTRAL PATAGONIA S.R.L.	27	0.03	20	0.02	0	0.00	0	0.00
EPSUR S.A	25	0.03	21	0.02	7	0.01	5	0.00
GRECOIL Y CIA. SRL	21	0.02	19	0.02	1	0.00	1	0.00
CGC	16	0.02	15	0.02	54	0.04	59	0.05
CLEAR S.R.L.	17	0.02	0	0.00	10	0.01	0	0.00
GEOPARK ARGENTINA LIMITED (SUC.ARG)	10	0.01	8	0.01	4	0.00	4	0.00
MISAHAR ARGENTINA	3	0.00	3	0.00	5	0.00	3	0.00
APCO ARGENTINA	0	0.00	0	0.00	0	0.00	0	0.00
ARPETROL ARGENTINA S.A	0	0.00	0	0.00	67	0.05	0	0.00
PETROLERA PIEDRA DEL AGUILA	0	0.00	0	0.00	33	0.03	37	0.03
Totales	97,163	100.00	98,653	100.00	124,644	100.00	125,236	100.00