| Producción por operador | ||||||||
| Operador | Petroleo | Gas natural | ||||||
| 2/2009 | 3/2009 | 2/2009 | 3/2009 | |||||
| m3/día | % | m3/día | % | Mm3/día | % | Mm3/día | % | |
| YPF S.A. | 35,444 | 34.32 | 35,398 | 34.39 | 34,931 | 26.30 | 36,092 | 26.66 |
| PAN AMERICAN | 17,741 | 17.18 | 18,079 | 17.56 | 17,668 | 13.30 | 17,517 | 12.94 |
| CHEVRON SAN JORGE S.A. | 7,748 | 7.50 | 6,887 | 6.69 | 2,180 | 1.64 | 2,086 | 1.54 |
| OCCIDENTAL EXPLORATION INC. | 7,152 | 6.93 | 7,332 | 7.12 | 1,787 | 1.35 | 2,024 | 1.50 |
| PESA (PETROBRAS E.S.A.) | 7,088 | 6.86 | 7,140 | 6.94 | 13,747 | 10.35 | 13,751 | 10.16 |
| PETRO ANDINA RESOURCES LTD. | 4,729 | 4.58 | 5,061 | 4.92 | 157 | 0.12 | 156 | 0.12 |
| TECPETROL S.A. | 4,624 | 4.48 | 4,580 | 4.45 | 5,361 | 4.04 | 5,199 | 3.84 |
| TOTAL AUSTRAL S.A. | 3,278 | 3.17 | 3,353 | 3.26 | 31,812 | 23.95 | 33,465 | 24.72 |
| PLUSPETROL S.A. | 2,622 | 2.54 | 2,596 | 2.52 | 9,441 | 7.11 | 9,576 | 7.07 |
| PETROLERA ENTRE LOMAS S.A. | 2,253 | 2.18 | 2,211 | 2.15 | 975 | 0.73 | 980 | 0.72 |
| CAPSA CAPEX | 1,892 | 1.83 | 1,872 | 1.82 | 2,130 | 1.60 | 2,130 | 1.57 |
| ENAP SIPETROL ARGENTINA S.A. | 1,908 | 1.85 | 1,696 | 1.65 | 2,191 | 1.65 | 1,600 | 1.18 |
| APACHE ENERGIA ARGENTINA S.R.L | 1,312 | 1.27 | 1,348 | 1.31 | 3,814 | 2.87 | 3,943 | 2.91 |
| PETROQUIMICA COM. RIVADAVIA S.A. | 1,118 | 1.08 | 1,219 | 1.18 | 570 | 0.43 | 625 | 0.46 |
| PETROLERA LF COMPANY S.R.L | 1,034 | 1.00 | 1,007 | 0.98 | 4,437 | 3.34 | 4,634 | 3.42 |
| PETROLIFERA P. (AMERICAS) LIMITED | 842 | 0.81 | 731 | 0.71 | 240 | 0.18 | 229 | 0.17 |
| CHAÑARES HERRADOS S.A. | 594 | 0.58 | 603 | 0.59 | 23 | 0.02 | 23 | 0.02 |
| PETROLERA EL TREBOL | 317 | 0.31 | 295 | 0.29 | 7 | 0.01 | 7 | 0.01 |
| ROCH S.A. | 315 | 0.31 | 288 | 0.28 | 836 | 0.63 | 801 | 0.59 |
| PET. SUDAMERICANOS NECON-UTE | 259 | 0.25 | 243 | 0.24 | 30 | 0.02 | 30 | 0.02 |
| CENTRAL INTERNATIONAL CORPORATION | 201 | 0.19 | 200 | 0.19 | 20 | 0.02 | 20 | 0.02 |
| GRAN TIERRA ENERGY ARGENTINA S.A. | 174 | 0.17 | 194 | 0.19 | 11 | 0.01 | 13 | 0.01 |
| MEDANITO S.A. | 152 | 0.15 | 149 | 0.14 | 292 | 0.22 | 292 | 0.22 |
| APACHE PETROLERA ARGENTINA S.A. | 116 | 0.11 | 111 | 0.11 | 22 | 0.02 | 22 | 0.02 |
| PETROLERA SAN JOSE S.R.L. | 92 | 0.09 | 91 | 0.09 | 8 | 0.01 | 8 | 0.01 |
| COLHUE HUAPI S.A. | 75 | 0.07 | 74 | 0.07 | 17 | 0.01 | 17 | 0.01 |
| CRI HOLDING INC; SUCURSAL ARGENTINA | 35 | 0.03 | 37 | 0.04 | 1 | 0.00 | 1 | 0.00 |
| EPSUR S.A | 27 | 0.03 | 28 | 0.03 | 10 | 0.01 | 9 | 0.01 |
| CGC | 29 | 0.03 | 23 | 0.02 | 40 | 0.03 | 41 | 0.03 |
| CENTRAL PATAGONIA S.R.L. | 26 | 0.03 | 24 | 0.02 | 0 | 0.00 | 0 | 0.00 |
| INGENIERIA ALPA S.A. | 28 | 0.03 | 21 | 0.02 | 3 | 0.00 | 2 | 0.00 |
| GRECOIL Y CIA. SRL | 23 | 0.02 | 18 | 0.02 | 1 | 0.00 | 1 | 0.00 |
| CLEAR S.R.L. | 16 | 0.02 | 18 | 0.02 | 17 | 0.01 | 18 | 0.01 |
| GEOPARK ARGENTINA LIMITED (SUC.ARG) | 9 | 0.01 | 7 | 0.01 | 3 | 0.00 | 4 | 0.00 |
| MISAHAR ARGENTINA | 1 | 0.00 | 1 | 0.00 | 1 | 0.00 | 0 | 0.00 |
| APCO ARGENTINA | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 |
| PETROLERA PIEDRA DEL AGUILA | 0 | 0.00 | 0 | 0.00 | 37 | 0.03 | 43 | 0.03 |
| Totales | 103,273 | 100.00 | 102,934 | 100.00 | 132,820 | 100.00 | 135,356 | 100.00 |