| Producción por operador | ||||||||
| Operador | Petroleo | Gas natural | ||||||
| 11/2009 | 12/2009 | 11/2009 | 12/2009 | |||||
| m3/día | % | m3/día | % | Mm3/día | % | Mm3/día | % | |
| YPF S.A. | 32,154 | 33.10 | 32,237 | 33.18 | 28,752 | 23.14 | 28,923 | 23.22 |
| PAN AMERICAN | 18,343 | 18.88 | 18,263 | 18.80 | 17,358 | 13.97 | 17,164 | 13.78 |
| CHEVRON SAN JORGE S.A. | 6,960 | 7.16 | 6,838 | 7.04 | 1,051 | 0.85 | 1,055 | 0.85 |
| PESA (PETROBRAS E.S.A.) | 6,561 | 6.75 | 6,613 | 6.81 | 12,769 | 10.27 | 12,214 | 9.80 |
| OCCIDENTAL EXPLORATION INC. | 5,934 | 6.11 | 6,066 | 6.24 | 1,875 | 1.51 | 1,785 | 1.43 |
| PETRO ANDINA RESOURCES LTD. | 4,434 | 4.56 | 4,612 | 4.75 | 148 | 0.12 | 165 | 0.13 |
| TECPETROL S.A. | 4,272 | 4.40 | 4,343 | 4.47 | 4,526 | 3.64 | 4,378 | 3.51 |
| TOTAL AUSTRAL S.A. | 3,237 | 3.33 | 3,224 | 3.32 | 31,511 | 25.35 | 33,893 | 27.21 |
| PETROLERA ENTRE LOMAS S.A. | 2,270 | 2.34 | 2,218 | 2.28 | 1,027 | 0.83 | 961 | 0.77 |
| PLUSPETROL S.A. | 1,997 | 2.06 | 1,969 | 2.03 | 4,387 | 3.53 | 4,228 | 3.39 |
| ENAP SIPETROL ARGENTINA S.A. | 1,944 | 2.00 | 1,866 | 1.92 | 2,282 | 1.84 | 2,235 | 1.79 |
| CAPSA CAPEX | 1,835 | 1.89 | 1,791 | 1.84 | 1,591 | 1.28 | 1,222 | 0.98 |
| PETROQUIMICA COM. RIVADAVIA S.A. | 1,322 | 1.36 | 1,222 | 1.26 | 613 | 0.49 | 529 | 0.42 |
| APACHE ENERGIA ARGENTINA S.R.L | 1,105 | 1.14 | 1,086 | 1.12 | 3,607 | 2.90 | 3,480 | 2.79 |
| PETROLERA LF COMPANY S.R.L | 899 | 0.93 | 901 | 0.93 | 4,265 | 3.43 | 4,073 | 3.27 |
| ROCH S.A. | 751 | 0.77 | 750 | 0.77 | 2,071 | 1.67 | 1,981 | 1.59 |
| CHAÑARES HERRADOS S.A. | 588 | 0.61 | 673 | 0.69 | 21 | 0.02 | 25 | 0.02 |
| PETROLIFERA P. (AMERICAS) LIMITED | 617 | 0.64 | 622 | 0.64 | 157 | 0.13 | 147 | 0.12 |
| PLUSPETROL ENERGY S.A | 354 | 0.36 | 348 | 0.36 | 5,733 | 4.61 | 5,635 | 4.52 |
| PETROLERA EL TREBOL | 288 | 0.30 | 291 | 0.30 | 7 | 0.01 | 7 | 0.01 |
| PET. SUDAMERICANOS NECON-UTE | 252 | 0.26 | 269 | 0.28 | 29 | 0.02 | 29 | 0.02 |
| CENTRAL INTERNATIONAL CORPORATION | 223 | 0.23 | 203 | 0.21 | 21 | 0.02 | 20 | 0.02 |
| GRAN TIERRA ENERGY ARGENTINA S.A. | 161 | 0.17 | 122 | 0.13 | 10 | 0.01 | 5 | 0.00 |
| MEDANITO S.A. | 129 | 0.13 | 125 | 0.13 | 278 | 0.22 | 252 | 0.20 |
| APACHE PETROLERA ARGENTINA S.A. | 101 | 0.10 | 96 | 0.10 | 26 | 0.02 | 25 | 0.02 |
| PETROLERA SAN JOSE S.R.L. | 85 | 0.09 | 84 | 0.09 | 7 | 0.01 | 7 | 0.01 |
| COLHUE HUAPI S.A. | 78 | 0.08 | 76 | 0.08 | 17 | 0.01 | 17 | 0.01 |
| DAPETROL S.A | 70 | 0.07 | 73 | 0.08 | 0 | 0.00 | 0 | 0.00 |
| INGENIERIA ALPA S.A. | 27 | 0.03 | 38 | 0.04 | 3 | 0.00 | 3 | 0.00 |
| EPSUR S.A | 30 | 0.03 | 25 | 0.03 | 8 | 0.01 | 7 | 0.01 |
| CENTRAL PATAGONIA S.R.L. | 26 | 0.03 | 27 | 0.03 | 0 | 0.00 | 0 | 0.00 |
| CRI HOLDING INC; SUCURSAL ARGENTINA | 29 | 0.03 | 23 | 0.02 | 10 | 0.01 | 1 | 0.00 |
| GRECOIL Y CIA. SRL | 24 | 0.02 | 21 | 0.02 | 1 | 0.00 | 1 | 0.00 |
| CLEAR S.R.L. | 20 | 0.02 | 17 | 0.02 | 19 | 0.02 | 10 | 0.01 |
| CGC | 16 | 0.02 | 16 | 0.02 | 55 | 0.04 | 54 | 0.04 |
| GEOPARK ARGENTINA LIMITED (SUC.ARG) | 10 | 0.01 | 10 | 0.01 | 4 | 0.00 | 4 | 0.00 |
| MISAHAR ARGENTINA | 2 | 0.00 | 3 | 0.00 | 3 | 0.00 | 5 | 0.00 |
| SAN JORGE PETROLEUM S.A | 2 | 0.00 | 2 | 0.00 | 5 | 0.00 | 5 | 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 | 33 | 0.03 | 33 | 0.03 |
| Totales | 97,152 | 100.00 | 97,163 | 100.00 | 124,279 | 100.00 | 124,577 | 100.00 |