Members with a COS Certificate |
ASP |
Date Issued |
Certificate Number |

Murphy Exploration and Production Company |
ERM-CVS |
April 17, 2019 |
COS-0005-190417B02 |

Helmerich & Payne International Drilling Company |
DNVGL |
February 20, 2019 |
COS-0003-190220B07 |

ExxonMobil Production Company |
ERM-CVS |
January 9, 2019 |
COS-0005-190109A08 |

Anadarko Petroleum Corporation |
ERM-CVS |
August 29, 2018 |
COS-0005-180829A07 |

BHP Billiton Petroleum |
ABS-QE |
January 6, 2017 |
COS-0001-170106A05 |

BP Exploration and Production Inc. |
ERM-CVS |
November 21, 2016 |
COS-0005-161121A06 |

Shell Exploration and Production Company |
BVC |
October 28, 2016 |
COS-004-161028A05 |

Anadarko Petroleum Corporation |
BVC |
October 26, 2016 |
COS-0004-161026A04 |

Noble Energy |
DNV-GL |
October 13, 2016 |
COS-0003-161013A06 |

ConocoPhillips Company |
ERM-CVS |
October 1, 2016 |
COS-0005-161001A05 |

Murphy Exploration and Production Company |
ERM-CVS |
May 20, 2016 |
COS-0005-160520A04 |

Cobalt International Energy, L.P. |
ERM-CVS |
April 18, 2016 |
COS-0005-160418A03 |

Helmerich & Payne International Drilling Company |
DNV-GL |
April 5, 2016 |
COS-0003-160405A05 |

Cameron International |
DNV-GL |
February 1, 2016 |
COS-0003-160201A04 |

Chevron North America Exploration and Production |
ERM-CVS |
December 28, 2015 |
COS-0005-151228A02 |

Schlumberger in the Alaska Region |
DNV-GL |
December 11, 2015 |
COS-0003-151211A03 |

Schlumberger |
DNV-GL |
April 27, 2015 |
COS-0003-150427A02 |

ExxonMobil Production Company |
ERM-CVS |
March 20, 2015 |
COS-0005-150320A01 |

Pacific Drilling Services, Inc. |
BVC |
January 14, 2015 |
COS-004-150114A03 |

Anadarko Petroleum Corporation |
ABS-QE |
April 11, 2014 |
COS-0001-140411A04 |

Marathon Oil Company |
ABS-QE |
February 6, 2014 |
COS-0001-140206A03 |

Shell Exploration & Production Company |
BVC |
January 3, 2014 |
COS-0004-140103A02 |

Hess Corporation |
ABS-QE |
January 2, 2014 |
COS-0001-140102A02 |

BP Exploration & Production Inc. |
DNV-GL |
November 21, 2013 |
COS-0003-131121A01 |

BHP Billiton Petroleum (Deepwater) Inc. |
ABS-QE |
November 18, 2013 |
COS-0001-131118A01 |

Statoil Gulf Services, LLC. |
BVC |
November 11, 2013 |
COS-0004-131113A01 |

Members with a COS Certificate |
ASP |
Date Issued |
Certificate Number |

Murphy Exploration and Production Company |
ERM-CVS |
April 17, 2019 |
COS-0005-190417B02 |

Helmerich & Payne International Drilling Company |
DNVGL |
February 20, 2019 |
COS-0003-190220B07 |

ExxonMobil Production Company |
ERM-CVS |
January 9, 2019 |
COS-0005-190109A08 |

Anadarko Petroleum Corporation |
ERM-CVS |
August 29, 2018 |
COS-0005-180829A07 |

BHP Billiton Petroleum |
ABS-QE |
January 6, 2017 |
COS-0001-170106A05 |

BP Exploration and Production Inc. |
ERM-CVS |
November 21, 2016 |
COS-0005-161121A06 |

Shell Exploration and Production Company |
BVC |
October 28, 2016 |
COS-004-161028A05 |

Anadarko Petroleum Corporation |
BVC |
October 26, 2016 |
COS-0004-161026A04 |

Noble Energy |
DNV-GL |
October 13, 2016 |
COS-0003-161013A06 |

ConocoPhillips Company |
ERM-CVS |
October 1, 2016 |
COS-0005-161001A05 |

Murphy Exploration and Production Company |
ERM-CVS |
May 20, 2016 |
COS-0005-160520A04 |

Cobalt International Energy, L.P. |
ERM-CVS |
April 18, 2016 |
COS-0005-160418A03 |

Helmerich & Payne International Drilling Company |
DNV-GL |
April 5, 2016 |
COS-0003-160405A05 |

Cameron International |
DNV-GL |
February 1, 2016 |
COS-0003-160201A04 |

Chevron North America Exploration and Production |
ERM-CVS |
December 28, 2015 |
COS-0005-151228A02 |

Schlumberger in the Alaska Region |
DNV-GL |
December 11, 2015 |
COS-0003-151211A03 |

Schlumberger |
DNV-GL |
April 27, 2015 |
COS-0003-150427A02 |

ExxonMobil Production Company |
ERM-CVS |
March 20, 2015 |
COS-0005-150320A01 |

Pacific Drilling Services, Inc. |
BVC |
January 14, 2015 |
COS-004-150114A03 |

Anadarko Petroleum Corporation |
ABS-QE |
April 11, 2014 |
COS-0001-140411A04 |

Marathon Oil Company |
ABS-QE |
February 6, 2014 |
COS-0001-140206A03 |

Shell Exploration & Production Company |
BVC |
January 3, 2014 |
COS-0004-140103A02 |

Hess Corporation |
ABS-QE |
January 2, 2014 |
COS-0001-140102A02 |

BP Exploration & Production Inc. |
DNV-GL |
November 21, 2013 |
COS-0003-131121A01 |

BHP Billiton Petroleum (Deepwater) Inc. |
ABS-QE |
November 18, 2013 |
COS-0001-131118A01 |

Statoil Gulf Services, LLC. |
BVC |
November 11, 2013 |
COS-0004-131113A01 |

Members with a COS Certificate |
ASP |
Date Issued |
Certificate Number |

Helmerich & Payne International Drilling Company |
DNVGL |
February 20, 2019 |
COS-0003-190220B07 |

ExxonMobil Production Company |
ERM-CVS |
January 9, 2019 |
COS-0005-190109A08 |

Anadarko Petroleum Corporation |
ERM-CVS |
August 29, 2018 |
COS-0005-180829A07 |

BHP Billiton Petroleum |
ABS-QE |
January 6, 2017 |
COS-0001-170106A05 |

BP Exploration and Production Inc. |
ERM-CVS |
November 21, 2016 |
COS-0005-161121A06 |

Shell Exploration and Production Company |
BVC |
October 28, 2016 |
COS-004-161028A05 |

Anadarko Petroleum Corporation |
BVC |
October 26, 2016 |
COS-0004-161026A04 |

Noble Energy |
DNV-GL |
October 13, 2016 |
COS-0003-161013A06 |

ConocoPhillips Company |
ERM-CVS |
October 1, 2016 |
COS-0005-161001A05 |

Murphy Exploration and Production Company |
ERM-CVS |
May 20, 2016 |
COS-0005-160520A04 |

Cobalt International Energy, L.P. |
ERM-CVS |
April 18, 2016 |
COS-0005-160418A03 |

Helmerich & Payne International Drilling Company |
DNV-GL |
April 5, 2016 |
COS-0003-160405A05 |

Cameron International |
DNV-GL |
February 1, 2016 |
COS-0003-160201A04 |

Chevron North America Exploration and Production |
ERM-CVS |
December 28, 2015 |
COS-0005-151228A02 |

Schlumberger in the Alaska Region |
DNV-GL |
December 11, 2015 |
COS-0003-151211A03 |

Schlumberger |
DNV-GL |
April 27, 2015 |
COS-0003-150427A02 |

ExxonMobil Production Company |
ERM-CVS |
March 20, 2015 |
COS-0005-150320A01 |

Pacific Drilling Services, Inc. |
BVC |
January 14, 2015 |
COS-004-150114A03 |

Anadarko Petroleum Corporation |
ABS-QE |
April 11, 2014 |
COS-0001-140411A04 |

Marathon Oil Company |
ABS-QE |
February 6, 2014 |
COS-0001-140206A03 |

Shell Exploration & Production Company |
BVC |
January 3, 2014 |
COS-0004-140103A02 |

Hess Corporation |
ABS-QE |
January 2, 2014 |
COS-0001-140102A02 |

BP Exploration & Production Inc. |
DNV-GL |
November 21, 2013 |
COS-0003-131121A01 |

BHP Billiton Petroleum (Deepwater) Inc. |
ABS-QE |
November 18, 2013 |
COS-0001-131118A01 |

Statoil Gulf Services, LLC. |
BVC |
November 11, 2013 |
COS-0004-131113A01 |