| Producción por operador | ||||||||
| Operador | Petroleo | Gas natural | ||||||
| 1/2009 | 2/2009 | 1/2009 | 2/2009 | |||||
| m3/día | % | m3/día | % | Mm3/día | % | Mm3/día | % | |
| YPF S.A. | 35,264 | 34.93 | 35,444 | 34.32 | 34,369 | 26.19 | 34,931 | 26.30 |
| PAN AMERICAN | 17,197 | 17.03 | 17,741 | 17.18 | 17,187 | 13.10 | 17,668 | 13.30 |
| CHEVRON SAN JORGE S.A. | 7,733 | 7.66 | 7,748 | 7.50 | 2,287 | 1.74 | 2,180 | 1.64 |
| PESA (PETROBRAS E.S.A.) | 7,042 | 6.97 | 7,088 | 6.86 | 13,184 | 10.05 | 13,747 | 10.35 |
| OCCIDENTAL EXPLORATION INC. | 5,811 | 5.75 | 7,152 | 6.92 | 1,695 | 1.29 | 1,787 | 1.35 |
| PETRO ANDINA RESOURCES LTD. | 4,731 | 4.69 | 4,729 | 4.58 | 127 | 0.10 | 157 | 0.12 |
| TECPETROL S.A. | 4,711 | 4.67 | 4,624 | 4.48 | 5,084 | 3.87 | 5,361 | 4.04 |
| TOTAL AUSTRAL S.A. | 3,255 | 3.22 | 3,278 | 3.17 | 31,868 | 24.29 | 31,812 | 23.95 |
| PLUSPETROL S.A. | 2,540 | 2.52 | 2,622 | 2.54 | 9,807 | 7.47 | 9,441 | 7.11 |
| PETROLERA ENTRE LOMAS S.A. | 2,239 | 2.22 | 2,253 | 2.18 | 965 | 0.74 | 975 | 0.73 |
| ENAP SIPETROL ARGENTINA S.A. | 1,923 | 1.90 | 1,908 | 1.85 | 2,206 | 1.68 | 2,191 | 1.65 |
| CAPSA CAPEX | 1,920 | 1.90 | 1,892 | 1.83 | 2,082 | 1.59 | 2,130 | 1.60 |
| APACHE ENERGIA ARGENTINA S.R.L | 1,307 | 1.29 | 1,312 | 1.27 | 3,810 | 2.90 | 3,814 | 2.87 |
| PETROQUIMICA COM. RIVADAVIA S.A. | 963 | 0.95 | 1,118 | 1.08 | 372 | 0.28 | 570 | 0.43 |
| PETROLERA LF COMPANY S.R.L | 997 | 0.99 | 1,034 | 1.00 | 4,739 | 3.61 | 4,437 | 3.34 |
| PETROLIFERA P. (AMERICAS) LIMITED | 918 | 0.91 | 842 | 0.81 | 220 | 0.17 | 240 | 0.18 |
| CHAÑARES HERRADOS S.A. | 602 | 0.60 | 594 | 0.58 | 25 | 0.02 | 23 | 0.02 |
| PETROLERA EL TREBOL | 311 | 0.31 | 317 | 0.31 | 7 | 0.01 | 7 | 0.01 |
| ROCH S.A. | 255 | 0.25 | 315 | 0.31 | 665 | 0.51 | 836 | 0.63 |
| PET. SUDAMERICANOS NECON-UTE | 258 | 0.26 | 259 | 0.25 | 29 | 0.02 | 30 | 0.02 |
| CENTRAL INTERNATIONAL CORPORATION | 196 | 0.19 | 214 | 0.21 | 20 | 0.02 | 21 | 0.02 |
| GRAN TIERRA ENERGY ARGENTINA S.A. | 188 | 0.19 | 174 | 0.17 | 12 | 0.01 | 11 | 0.01 |
| MEDANITO S.A. | 149 | 0.15 | 152 | 0.15 | 285 | 0.22 | 292 | 0.22 |
| APACHE PETROLERA ARGENTINA S.A. | 118 | 0.12 | 116 | 0.11 | 24 | 0.02 | 22 | 0.02 |
| PETROLERA SAN JOSE S.R.L. | 101 | 0.10 | 92 | 0.09 | 9 | 0.01 | 8 | 0.01 |
| COLHUE HUAPI S.A. | 76 | 0.08 | 75 | 0.07 | 17 | 0.01 | 17 | 0.01 |
| CRI HOLDING INC; SUCURSAL ARGENTINA | 35 | 0.03 | 36 | 0.03 | 1 | 0.00 | 1 | 0.00 |
| EPSUR S.A | 32 | 0.03 | 27 | 0.03 | 11 | 0.01 | 10 | 0.01 |
| INGENIERIA ALPA S.A. | 29 | 0.03 | 28 | 0.03 | 3 | 0.00 | 3 | 0.00 |
| CENTRAL PATAGONIA S.R.L. | 24 | 0.02 | 24 | 0.02 | 0 | 0.00 | 0 | 0.00 |
| GRECOIL Y CIA. SRL | 14 | 0.01 | 23 | 0.02 | 1 | 0.00 | 1 | 0.00 |
| CGC | 6 | 0.01 | 29 | 0.03 | 38 | 0.03 | 40 | 0.03 |
| CLEAR S.R.L. | 16 | 0.02 | 16 | 0.02 | 16 | 0.01 | 17 | 0.01 |
| GEOPARK ARGENTINA LIMITED (SUC.ARG) | 8 | 0.01 | 9 | 0.01 | 4 | 0.00 | 3 | 0.00 |
| MISAHAR ARGENTINA | 1 | 0.00 | 1 | 0.00 | 0 | 0.00 | 1 | 0.00 |
| PETROLERA PIEDRA DEL AGUILA | 0 | 0.00 | 0 | 0.00 | 42 | 0.03 | 37 | 0.03 |
| APCO ARGENTINA | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 |
| Totales | 100,970 | 100.00 | 103,284 | 100.00 | 131,210 | 100.00 | 132,822 | 100.00 |