Whiting Petroleum Corporation
|
Michael B Walen
|
Grand Gulf Energy, Ltd
|
Jim Trimble
|
Grand Gulf Energy Company LLC
|
Jim Trimble
|
Elysium Energy
|
Jim Trimble
|
Tex-Cal Energy LLC
|
Jim Trimble
|
Blue Dolphin Energy Company
|
Jim Trimble
|
Seisgen Exploration LLC
|
Jim Trimble
|
Eclipse Resources Corporation
|
Thomas S Liberatore
|
Cwc Energy Services Corp.
|
James M Reid
|
Enerflex Ltd.
|
Robert S Boswell
|
Union Gas Ltd
|
Dorothy M Ables
|
Texas Pacific Land Trust
|
Rhys J Best
|
Teekay Offshore Partners
|
James M Reid
|
United States Steel Corporation
|
Dan O Dinges
|
Brookfield Business Partners
|
James M Reid
|
Duke Energy Corporation
|
Dorothy M Ables
|
Commercial Metals
|
Rhys J Best
|
Frontier Oil Corporation
|
James R Gibbs
|
Spectra Energy Corp.
|
Dorothy M Ables
|
Comerica Incorporated
|
William P Vititoe
|