2001Nɂ鐢E̐ΖƏʂTOЂ̃LO
| Ж | LO |
Ζ |
VR |
Ζ Y |
VR Y |
Ζ \ |
Ζi ̔ |
||
| P | Saudi Aramco | ޱޱ | P | P | S | P | W | X | V |
| Q | Exxon Mobil | ض | Q | PS | PQ | T | Q | P | P |
| R | PDV | Ƚ | R | T | V | S | PR | S | T |
| S | NIOC | S | S | Q | Q | U | PS | PQ | |
| T | Royal Dutch Shell | /ؽ | T | PU | PR | V | R | R | R |
| U | BP | ؽ | U | PX | PV | PO | S | Q | Q |
| V | Pemex | ҷ | V | V | PT | R | PO | PR | PO |
| W | Chevron Texaco | ض | W | PW | QP | X | PP | W | S |
| X | Total Fina Elf | ݽ | X | QO | PQ | PQ | V | U | |
| PO | Petro China | PO | PT | PW | W | QT | PP | PX | |
| PP | Sonatrach | ټުر | PP | PV | U | PT | T | RR | QS |
| PQ | KPC | PQ | R | PS | PP | RT | PV | QP | |
| PR | Conoco Philips | ض | PR | QW | QU | QO | PT | U | W |
| PS | Pertamina | ȼ | PR | RO | PO | QP | X | PW | PT |
| PT | Petrobras | | PT | QO | RQ | PS | QU | PO | X |
| PU | Adnoc | UAE | PU | U | T | PU | V | RP | TQ |
| PV | ENI | ر | PV | RP | QV | QR | PV | QO | PW |
| PW | Repsol YPF | ߲ | PW | RV | QR | QW | QO | PU | PV |
| PX | INOC | | PX | Q | W | U | UU | QW | RS |
| QO | NNPC | Ųުر | QO | PQ | X | PR | RX | RT | SU |
| QP | Petronas | ڰ | QP | RU | PP | RO | PS | SU | QR |
| Libiya NOC | ޱ | W | PU | PW | TO | SP | SP | ||
| QR | Sinopec | QR | RQ | TU | QU | TU | T | PR | |
| QS | EGPC | QS | SR | QT | RU | RR | QV | QX | |
| QT | Qatar Petroleum | QT | PO | R | QS | PU | VP | VP | |
| QU | Lukoil | ۼ | QU | X | TT | PV | TV | RU | |
| QV | Surgutneftegas | ۼ | QV | QR | RP | RQ | SR | SV | |
| QW | nmfb | QW | QV | RP | PW | VV | RQ | ||
| QX | r | ٳ | QX | RW | RO | QV | QV | SX | RV |
| RO | Cazprom | ۼ | RO | PP | P | TS | P | VV | UT |
| RP | Yukos | ۼ | RP | PR | SV | PX | VV | QS | RP |
| RQ | Tymen Oil | ۼ | RQ | QP | TS | QT | TT | RQ | ST |
| RR | Marathon Oil | ض | RR | UR | UP | TP | RO | PX | PU |
| RS | Posneft | ۼ | RS | QT | PX | SO | SW | UQ | SW |
| RT | Socar | ެ | RT | RR | QX | TV | SX | RW | UO |
| RU | Amerda Hess | ض | RU | SX | UO | SQ | RW | TQ | RX |
| RV | Syrian Petroleum | ر | RV | SP | SS | RX | ST | TV | TU |
| RW | PDO | ϰ | RW | RS | QW | QX | TS | UW | VS |
| RX | Ecopetrol | ޱ | RX | SQ | RW | RR | VP | SV | TW |
| SO | Sibneft | ۼ | SO | QX | UX | RV | US | RX | TS |
| SP | EnCana | SP | SS | RR | ST | PX | VV | VX | |
| SQ | Slavneft | ۼ/ٰ | SQ | RT | SP | SP | WS | SW | SX |
| SR | Anadarko | ض | SR | SU | RU | SW | VV | VX | |
| SS | Norsk Hydro | ٳ | SS | SW | SO | RW | TP | VQ | VR |
| ST | Sidanco | ۼ | SS | QS | QS | TU | WT | UT | UW |
| SU | Unocal | ض | SU | TU | RV | TW | QP | VV | VX |
| SV | Kazamunaigas | ̽ | SV | TX | RT | UV | QS | UU | VW |
| SW | Petro-Canada | SV | UV | UR | UX | SQ | SS | SS | |
| SX | Talisman Energy | SX | TS | SU | SS | RS | VV | VX | |
| TO | Tatneft | ۼ | TO | QU | WR | RQ | WR | VU | RT |