The two most vocal are Shell and Chevron, with the Anglo-Dutch player soon returning to operatorship and Chevron drilling in the Greater Gorgon area with the semi-submersible rig Jack Bates.
Both companies have been developing proprietary technologies to help them in areas such as deep water.
Chevron vice president and chief technology officer Don Paul says that two key aspects of being a successful explorer and developer are seismic imaging, and drilling and completion, especially in the deep.
"When
