Production
Oil Field Services
Marathon Oil Corporation -- United States
Marathon Oil’s exploration activities are focused on adding production to existing assets and developing potential new c...
Apache Canada Ltd -- Canada
The regions activity will likely be focused in three large growth plays in British Columbia: shale gas in the Horn River...
ConocoPhillips -- United States
ConocoPhillips has four core activities worldwide: Petroleum exploration and production, Petroleum refining, marketing, ...
Occidental Petroleum Corporation (OXY) -- United States
OXY engages in oil and natural gas exploration and production in three core regions: the United States, Middle East/Nort...
Shell Oil Company -- United States
Shell Oil Company is one of America's leading oil and natural gas producers, natural gas marketers, gasoline marketers a...
Vanguard Natural Resources, LLC -- United States
Operations: In Arkoma Basin Woodford Shale play in southeastern Oklahoma, In the Fayetteville Shale play in Arkansas, In...
