The environmental statistics were derived from data provided by the following companies:
2018 |
|
ADNOC
|
|
AkerBP
|
|
Assala Energy
|
|
BP
|
|
Cairn Energy
|
|
CEPSA
|
|
Chevron
|
|
CNOOC
|
|
ConocoPhillips
|
|
DEA
|
|
Dolphin Energy
|
|
ENI
|
|
Equinor ASA
|
|
ExxonMobil
|
|
GeoPark
|
|
Gulf Keystone
|
|
Hess Corporation
|
|
Husky Energy
|
|
INPEX Corporation
|
|
KMG
|
|
Kosmos Energy
|
|
Kuwait Oil Company
|
|
MOL
|
|
Neptune Energy
|
|
Nexen Inc
|
|
North Oil Company
|
|
Oil Search
|
|
OMV
|
|
Pan American Energy
|
|
Petrobras
|
|
PGNiG
|
|
Pluspetrol
|
|
Premier Oil
|
|
PTTEP
|
|
Repsol
|
|
Shell Companies
|
|
SOCAR
|
|
Sonangol
|
|
Suncor
|
|
Total
|
|
Tullow Oil
|
|
Wintershall
|
|
Woodside
|
|
2017 |
|
ADNOC
|
|
Anadarko Petroleum Corporation
|
|
Assala Energy
|
|
BP
|
|
Cairn Energy
|
|
CEPSA
|
|
Chevron
|
|
CNOOC
|
|
ConocoPhillips
|
|
DEA
|
|
Dolphin Energy
|
|
Dragon Oil
|
|
ENI
|
|
Equinor ASA
|
|
ExxonMobil
|
|
Galp Energia
|
|
GeoPark
|
|
Gulf Keystone
|
|
Hess Corporation
|
|
Husky Energy
|
|
INEOS Oil & Gas
|
|
INPEX Corporation
|
|
KMG
|
|
Kosmos Energy
|
|
Kuwait Oil Company
|
|
MOL
|
|
Neptune Energy
|
|
North Oil Company
|
|
Oil Search
|
|
OMV
|
|
Pan American Energy
|
|
Petrobras
|
|
PGNiG
|
|
Pluspetrol
|
|
Premier Oil
|
|
PTTEP
|
|
Repsol
|
|
Sasol
|
|
Shell Companies
|
|
Suncor
|
|
Total
|
|
Tullow Oil
|
|
Wintershall
|
|
Woodside
|
|
2016 |
|
ADNOC
|
|
BP
|
|
Cairn Energy
|
|
Chevron
|
|
CNOOC
|
|
ConocoPhillips
|
|
DEA
|
|
Dolphin Energy
|
|
ENI
|
|
Equinor ASA
|
|
ExxonMobil
|
|
Galp Energia
|
|
Hess Corporation
|
|
Husky Energy
|
|
INEOS Oil & Gas
|
|
INPEX Corporation
|
|
Kosmos Energy
|
|
Kuwait Oil Company
|
|
Maersk Oil
|
|
MOL
|
|
Oil Search
|
|
OMV
|
|
Pan American Energy
|
|
Petrobras
|
|
PGNiG
|
|
Pluspetrol
|
|
Premier Oil
|
|
PTTEP
|
|
Repsol
|
|
Sasol
|
|
Shell Companies
|
|
Suncor
|
|
Total
|
|
Tullow Oil
|
|
Wintershall
|
|
Woodside
|
|