[1] With advances in seismic surveying and drilling technology, hopes have been raised once again for a potential oil strike.
[2] In 2010, ExxonMobil and Todd Energy relinquished their exploration rights, citing technical difficulties and the harshness of the environment.
[3] Royal Dutch Shell subsequently purchased a stake in a joint venture headed by OMV New Zealand,[4] with drilling announced at the start of 2014.
[6] Anadarko Petroleum made a test drilling in the area in early 2014, without success.
[7] Schlumberger subsequently made a drilling attempt in the same areas later in the year.