2002

• Westlinks Resources Ltd. – Asset
• Ramarro Resources Inc. – Corporate
• Pengrowth Management Limited – Asset
• Rio Alto Exploration Ltd. – Asset
• Shiningbank Energy Ltd. – Asset
• Olympia Energy Inc. – Asset
• Petro-Canada Oil and Gas – Seismic
• Conoco Canada Energy Partnership – Asset
• Viracocha Energy Inc./Case Resources Inc. –  Asset
• Val Vista Energy Inc. – Corporate
• Canadian 88 Energy Corp. – Asset
• Equity Oil Company – Asset
• Del Roca Energy Ltd. – Corporate
• Grandir Resources Ltd. – Corporate
• Solaris Oil & Gas Inc. – Corporate
• Rise Energy Ltd. – Asset

2001

• Husky Energy Inc. – Asset
• Marathon Canada Limited – Asset
• Derrick Resources Inc. – Corporate
• Rio Nevada Energy Inc. – Asset
• Grey Wolf Exploration Inc./Canadian Abraxas Petroleum Limited – Asset
• Northstar Energy Corporation – Facility
• Probe Exploration Inc. – Asset
• Husky Energy Inc. – Asset
• Pilot Petroleum Ltd. – Corporate
• Coast Pacific 96-1 Exploration Limited – Corporate
• BTU Resources Ltd. – Corporate
• Landex Exploration Ltd. – Corporate
• Meota Resources Corp. – Asset
• Gascan Resources Ltd. – Corporate
• Hunt Oil Company of Canada, Inc. –  Asset

2000

• Cabre Exploration Ltd. – Asset
• restar Energy Inc. – Asset
• AltaQuest Energy Corporation – Corporate
• Hadrian Energy Corp. – Asset
• Fletcher Challenge Oil and Gas Inc. – Asset
• Renaissance Energy Ltd. – Asset
• Suncor Energy Inc. – Asset
• Canadian Hunter Resources – Asset
• Petro-Canada Oil and Gas – Asset
• Canadian Occidental Petroleum Ltd. – Asset
• Canadian Natural Resources Limited – Asset
• Renaissance Energy Ltd. – Asset
• PRL Resources Inc. – Corporate
• Centennial Petroleum Company Ltd. – Asset
• Storm Energy Inc. – Asset
• AEC Oil & Gas Land 2000
  Canadian Abraxas Petroleum Limited – Asset
• Marathon Canada Limited – Asset
• Shenandoah Resources Ltd. – Asset

1999

• Canor Group – Asset
• Cabre Exploration Ltd. – Asset
• Genesis Exploration Ltd. – Asset
• Ranger Oil Limited – Asset
• Renaissance Energy Ltd. – Asset
• J. Aron Resources Company – Asset
• Altana Exploration Ltd. – Asset
• Chevron Canada Resources – Asset
• NCE Resources Group – Asset
• Post Energy – Asset
• Delta Resources Inc. – Asset
• AEC West – Asset

1998

• Penn West Petroleum Ltd. – Asset
• Suncor Energy Inc. – Land
• Penn West Petroleum Ltd. – Asset
• I-XL Industries Ltd. – Asset
• Van Horne – Asset
• Ranger Oil Limited – Asset
• Pursuit Resources Corp. – Asset
• Ranger Oil Limited – Asset
• Summit Resources Limited – Asset
• Bellator Exploration Inc. – Asset
• Sterling Resources Ltd. – Asset
• Petro-Canada – Asset
• Fortune Energy Inc. – Asset
• PrimeWest Energy Inc. – Asset
• Petro-Canada – Asset
• Suncor Energy Inc. – Asset
• Chevron Canada Resources – Asset
• Place Resources Corporation – Asset
• Chevron Canada Resources – Seismic
• Wolverine Energy Corp. – Asset

1997

• Crestar Energy Inc. – Asset
• Petro-Canada – Asset
• Interaction Resources Ltd. – Asset
• Pembina Resources – Asset
• Baytex Energy Ltd. – Asset
• Newquest Energy Inc. – Asset
• Canadian Natural Resources Limited – Asset
• Mercury Energy Corporation Ltd. – Corporate
• SRL Exploration Inc. – Corporate
• PAZ Energy Ltd. – Corporate
• Summit Resources Limited – Asset
• Crestar Energy Inc. – Asset
• Suncor Energy Inc. – Asset
• Blue Range Resource Corporation – Asset
• Summit Resources Limited – Asset

1996

• Tarragon Oil and Gas Limited – Asset
• Dorset Exploration Ltd. – Asset
• BHP Petroleum (Americas) Inc. – Asset
• NuGas Limited – Asset
• Crestar Energy Inc. – Asse
• Wascana Energy Inc. – Asset
• Petro-Canada – Asset
• Olympia Energy Inc. – Asset
• Orbit Oil & Gas Ltd. – Asset
• Beau Canada Exploration Ltd. – Asset
• Talisman Energy Inc. – Land
• CS Resources Limited – Asset
• Bluestone Resources Ltd. – Corporate
• Victoria Gas Ltd. – Corporate
• Erehwon Inc. – Asset

1995

• City of Medicine Hat – Asset
• Dorset Exploration Ltd. – Asset
• Morrison Petroleums Ltd. – Asset
• Gentra One Resources Inc. – Corporate
• Gardiner Oil & Gas Limited – Asset
• Southland Royalty Company – Asset
• Mannville Oil & Gas Ltd. – Asset
• Beau Canada Exploration Ltd. – Asset
• Tarragon Oil and Gas Limited – Asset
• Cabre Exploration Ltd. – Asset

1994

• Batatakan Resources Ltd. – Corporate
• AEC Oil & Gas – Asset
• Atcor Ltd. – Asset
• Petro-Canada – Asset
• Glenex Industries Inc. – Asset
• Summit Resources Limited – Asset

1993

• Stanley R. Rawn, Jr. – Asset
• Petford Resources Ltd. – Asset
• Petro-Canada Asset – 1993

1992

• Shell Canada Limited – Asset
• Unocal Canada Limited – Asset
• Poco Petroleums Ltd. – Asset
• Opinac Exploration Limited – Asset

1990-1991

• Petro-Canada – Asset – 1991
• Petro-Canada – Asset – 1991
• Petro-Canada Inc. – Asset – 1990