| Producción por operador | ||||||||
| Operador | Petroleo | Gas natural | ||||||
| 12/2008 | 1/2009 | 12/2008 | 1/2009 | |||||
| m3/día | % | m3/día | % | Mm3/día | % | Mm3/día | % | |
| YPF S.A. | 34,976 | 35.05 | 35,264 | 34.93 | 36,111 | 27.42 | 34,369 | 26.19 |
| PAN AMERICAN | 15,910 | 15.94 | 17,197 | 17.03 | 17,277 | 13.12 | 17,187 | 13.10 |
| CHEVRON SAN JORGE S.A. | 7,736 | 7.75 | 7,733 | 7.66 | 2,330 | 1.77 | 2,287 | 1.74 |
| PESA (PETROBRAS E.S.A.) | 7,247 | 7.26 | 7,042 | 6.97 | 12,160 | 9.23 | 13,184 | 10.05 |
| OCCIDENTAL EXPLORATION INC. | 5,832 | 5.84 | 5,811 | 5.76 | 1,700 | 1.29 | 1,695 | 1.29 |
| PETRO ANDINA RESOURCES LTD. | 4,850 | 4.86 | 4,731 | 4.69 | 125 | 0.09 | 127 | 0.10 |
| TECPETROL S.A. | 4,755 | 4.76 | 4,711 | 4.67 | 5,105 | 3.88 | 5,084 | 3.87 |
| TOTAL AUSTRAL S.A. | 3,220 | 3.23 | 3,255 | 3.22 | 31,064 | 23.59 | 31,868 | 24.29 |
| PLUSPETROL S.A. | 2,553 | 2.56 | 2,537 | 2.51 | 9,995 | 7.59 | 9,807 | 7.47 |
| PETROLERA ENTRE LOMAS S.A. | 2,252 | 2.26 | 2,239 | 2.22 | 962 | 0.73 | 965 | 0.74 |
| ENAP SIPETROL ARGENTINA S.A. | 1,942 | 1.95 | 1,923 | 1.90 | 2,618 | 1.99 | 2,206 | 1.68 |
| CAPSA CAPEX | 1,801 | 1.80 | 1,920 | 1.90 | 2,114 | 1.61 | 2,082 | 1.59 |
| APACHE ENERGIA ARGENTINA S.R.L | 1,280 | 1.28 | 1,307 | 1.29 | 3,757 | 2.85 | 3,810 | 2.90 |
| PETROLERA LF COMPANY S.R.L | 1,061 | 1.06 | 997 | 0.99 | 4,681 | 3.55 | 4,739 | 3.61 |
| PETROQUIMICA COM. RIVADAVIA S.A. | 921 | 0.92 | 963 | 0.95 | 367 | 0.28 | 372 | 0.28 |
| PETROLIFERA P. (AMERICAS) LIMITED | 958 | 0.96 | 918 | 0.91 | 212 | 0.16 | 220 | 0.17 |
| CHAÑARES HERRADOS S.A. | 606 | 0.61 | 602 | 0.60 | 26 | 0.02 | 25 | 0.02 |
| PETROLERA EL TREBOL | 304 | 0.30 | 311 | 0.31 | 7 | 0.01 | 7 | 0.01 |
| PET. SUDAMERICANOS NECON-UTE | 267 | 0.27 | 258 | 0.26 | 30 | 0.02 | 29 | 0.02 |
| ROCH S.A. | 271 | 0.27 | 255 | 0.25 | 588 | 0.45 | 665 | 0.51 |
| GRAN TIERRA ENERGY ARGENTINA S.A. | 217 | 0.22 | 188 | 0.19 | 14 | 0.01 | 12 | 0.01 |
| CENTRAL INTERNATIONAL CORPORATION | 191 | 0.19 | 196 | 0.19 | 20 | 0.02 | 20 | 0.02 |
| MEDANITO S.A. | 161 | 0.16 | 149 | 0.15 | 276 | 0.21 | 285 | 0.22 |
| APACHE PETROLERA ARGENTINA S.A. | 135 | 0.13 | 118 | 0.12 | 26 | 0.02 | 24 | 0.02 |
| PETROLERA SAN JOSE S.R.L. | 105 | 0.10 | 101 | 0.10 | 9 | 0.01 | 9 | 0.01 |
| COLHUE HUAPI S.A. | 75 | 0.08 | 76 | 0.08 | 17 | 0.01 | 17 | 0.01 |
| EPSUR S.A | 37 | 0.04 | 32 | 0.03 | 13 | 0.01 | 11 | 0.01 |
| CRI HOLDING INC; SUCURSAL ARGENTINA | 32 | 0.03 | 35 | 0.03 | 1 | 0.00 | 1 | 0.00 |
| INGENIERIA ALPA S.A. | 23 | 0.02 | 29 | 0.03 | 3 | 0.00 | 3 | 0.00 |
| CENTRAL PATAGONIA S.R.L. | 23 | 0.02 | 24 | 0.02 | 0 | 0.00 | 0 | 0.00 |
| GRECOIL Y CIA. SRL | 23 | 0.02 | 14 | 0.01 | 1 | 0.00 | 1 | 0.00 |
| CLEAR S.R.L. | 16 | 0.02 | 16 | 0.02 | 16 | 0.01 | 16 | 0.01 |
| GEOPARK ARGENTINA LIMITED (SUC.ARG) | 9 | 0.01 | 8 | 0.01 | 4 | 0.00 | 4 | 0.00 |
| CGC | 8 | 0.01 | 6 | 0.01 | 37 | 0.03 | 38 | 0.03 |
| MISAHAR ARGENTINA | 1 | 0.00 | 1 | 0.00 | 1 | 0.00 | 0 | 0.00 |
| PETROLERA PIEDRA DEL AGUILA | 0 | 0.00 | 0 | 0.00 | 36 | 0.03 | 42 | 0.03 |
| APCO ARGENTINA | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 |
| 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 | 99,796 | 100.00 | 100,968 | 100.00 | 131,700 | 100.00 | 131,210 | 100.00 |