








| Nigerian Crude Types | Specific Gravity | Sulphur Content - (%) |
| Bonny light (sweet) | 0.8398-37 api | 0.14 |
| Qua Iboe | 0.8398-37 api | 0.14 |
| Escravos blend | 0.8448-36 api | 0.14 |
| Brass river | 0.8063-44 api | 0.28 |
| Forcados | 0.8708-31 api | 0.2 |
| Pennington Anfan |
|
Oil Pipeline act
cap 145, 1956. |
The Minerals Oil
Safety Regulations 1963 |
|
The Oil Pipeline
Act No. 1965. |
Petroleum
Regulation 1967. |
|
Oil in Navigable
waters 1968. |
Oil terminal
Dues act 1969. |
|
Petroleum decree
1969. |
Petroleum
(Drilling and Production) Regulation 1969. |
|
Petroleum
(Refining) Regulations 1974. |
Petroleum
Production and distribution (Anti-Sabotage)
Act 1975 |
|
Associated Gas
Re-injection Act 1979 |
Associated Gas
Re-Injection (continued flaring of Gas Crude
Oil (Transportation Shipment) Regulations
1984 |
|
Associated Gas
Re-Injection (Amendment) Decree 1985 |
Petroleum
Products (Identification of Tankers)
Regulations 1985. |
| NAME OF COMPANY | CONCESSION HELD | BASIN |
| ALFRED JAMES NIG. LTD. | OPL-302 | BENIN |
| AMALGAMATED OIL | OPL-452 | NIGER |
| ATLAS PETROLEUM | OPL-75 | NIGER |
| BRITISH PETROLEUM./STATOIL | OPL-213,217,218 | NIGER |
| CAVENDISH PETROLEUM | OPL-453, | NIGER |
| CHEVRON NIG. | OPL-801,805,810,820,812,818,822 | BENUE |
| CHEVRON NIG. | OML-46-55,89-95,97 | NIGER |
| CONOCO (DU PONT) | OPL-220 | NIGER |
| CONSOLIDATED OIL LTD. | OPL-112,458 | BENUE |
| DUBRI OIL | OML-96 | NIGER |
| EXXON | OPL-209 | |
| ALLIED ENERGY | OPL-210 | |
| ELF NIG. LTD | OPL-447,93,95-97 | NIGER |
| ELF NIG. LTD | OML-99,102 | NIGER |
| ELF NIG. LTD | OPL-222,223,802,807 | CHAD |
| ELF NIG. LTD | OMLS-56-59 | CHAD |
| EXPRESS PET. & GAS CO. | OPL-74 | NIGER |
| MOBIL PRODUCING | OPL-94,221 | NIGER |
| MOBIL PRODUCING | OML-67-70 | NIGER |
| MONCRIEF OIL | OPL-471 | NIGER |
| NIG AGIP OIL CO. | OPL-228,221,316 | NIGER |
| NIG AGIP OIL CO. | OPL-808,811,818 | BENUE |
| NIG AGIP OIL CO. | 823,824,829,830,836. | BENUE |
| NIG AGIP OIL CO. | OLL-60-63 | NIGER |
| IPEC GENERAL OIL | OPL-304 | BENIN |
| INKO PETROLEUM | OPL-224 | NIGER |
| NIGUS | OPL-496 | NIGER |
| NNPC/AERN | OPL-472 | NIGER |
| NNPC/ASHLAND | OPL-90,98,118,225 | NIGER |
| NNPC/(DES) | N/A | CHAD |
| NNPC/SUNLINK | OPL-474 | NIGER |
| NOREAST | OPL-215 | NIGER |
| NOREAST | OPL-840 | BENUE |
| NOREAST | OPL-902 | CHAD |
| NPDC | OPL-91,110 | NIGER |
| NPDC | OML-64-66 | NIGER |
| OPIC | OPL-208 | NIGER |
| PACLANTIC | OPL-204 | NIGER |
| PAN OCEAN | OML-98 | NIGER |
| QUEEN PETROLEUM | OML-135 | NIGER |
| SEAGULL | OPL-230 | NIGER |
| SHELL | OPL-803,806,809 | BENUE |
| SHELL | OPL-212,219 | NIGER |
| SHELL | OML-1,4,5,7,11-46 | NIGER |
| SHELL | 71-74,76,77,79,81 | NIGER |
| SOLGAS NIG. | OML-226 | NIGER |
| SUMMIT OIL | SUMMIT OIL | NIGER |
| TEXACO | OPL-460 | NIGER |
| TEXACO | OML-83-88 | NIGER |
| ULTRAMAR ENERGY INTL. | OPL-227 | NIGER |
| UNION SQ PETROGAS | OPL-201 | NIGER |
| YINKA FOLAWIYO | OPL-309 | BENUE |