|
Alamo Resources |
Energy XXI |
Mormaer Exploration |
|
Anadarko Petroleum Corporation |
Eni US Operating |
MP Gulf of Mexico |
|
Apache Corporation |
Eni Mexico |
Murphy Exploration |
|
Apache Suriname |
Enron |
Newfield Exploration |
|
APEX Oil & Gas |
Enstor Operating |
Nexen Petroleum |
|
Arena Offshore |
Enven Energy |
Noble Energy |
|
Aries Resources |
EOG Resources |
ORX Exploration |
|
ATP Oil & Gas |
Escondido Resources |
OXY |
|
Badger Oil Corporation |
EXCO Resources |
Peles |
|
Basin Exploration |
Extex Operating |
Perdido Energy |
|
Bass Enterprises |
Felice Exploration |
Peregrine O & G |
|
Bennu O & G |
Fieldwood Energy |
Petsec Energy |
|
BEPCO |
Fire Wheel Energy |
Pioneer Natural Resources |
|
Beryl Oil & Gas |
Flex Energy |
Plains Exploration |
|
Block "T" |
Foundation Energy Management |
Planet Operating |
|
BOPCO |
Freeport-McMoran O & G |
Range Energy Ventures |
|
Boss E & P |
Frostwood Energy |
Renaissance Petroleum |
|
BP |
Geostock-Sandia |
Reunion Resources |
|
Breton Energy |
Gold King Operating |
Ridgelake Energy |
|
Burlington Resources |
GOM Shelf |
Samson Contour Energy |
|
Castex Offshore |
Gulf Coast Energy Resources |
Samson Lone Star |
|
Centurion Exploration |
Hallwood Petroleum |
Sanchez O & G |
|
Century Exploration |
Helix Energy Solutions Group |
SandRidge Energy |
|
Chesapeake Energy |
HESS Corporation |
Services & Consulting International |
|
Chevron |
Hilcorp Energy |
Shell Oil |
|
Cheyenne Petroleum |
Hunt Petroleum |
Shoreline Southeast |
|
Cimarex Energy |
Jordan O & G |
Southwestern Energy |
|
Cinco O & G |
Kerr-McGee China |
SPN Resources |
|
Clovelly Oil Company |
Kerr-McGee O & G |
St. Mary Land & Exploration |
|
CNG Resources |
Kitty-Hawk |
Stone Energy Corporation |
|
ConocoPhillips |
Kosmos Energy |
Summit Energy |
|
Cornerstone E&P |
Lamar O & G |
Sunnyside Resources |
|
Cox Operating |
Layline Petroleum |
Swift Energy Company |
|
CSL Exploration |
LEED Petroleum |
Talos Energy |
|
Deep Gulf Energy |
LLOG Exploration |
TANA Exploration |
|
Devon Energy |
Mack Energy |
Texas Petroleum Investments |
|
Dominion E & P |
Maersk Oil |
Toce Operating |
|
Drive Petroleum |
Manti Operating |
Tullow Ghana Limited |
|
Dune Operating |
Mariner Energy |
Ultra Petroleum |
|
Dunn Exploration |
Maritech Resources |
Unit Petroleum |
|
Dynamic Offshore Resources |
Marlin Coastal |
US Liquids |
|
Eagle Oil |
Marquis Resources |
VENOCO |
|
Edge Petroleum |
McMoran O & G |
W & T Operating |
|
EnCana O & G |
Medco Energy US |
Whitney O & G |
|
Endeavor Natural Gas |
Merit Energy |
Woodside Energy |
|
Energy Partners |
MidStates Petroleum Company |
XTO Energy |
|
Energy Resource Technology |
Moon Hines Tigrett Operating Company |
Zone Energy |
