ConocoPhillips to plug and abandon wells in Gulf of Mexico and Angola

The Omosi-1 well was spud with the Ocean Rig Athena
The Omosi-1 well was spud with the Ocean Rig Athena

ConocoPhillips has plugged and abandoned exploration well offshore Angola. In addition, the company will plug and abandon Harrier prospect well in the Gulf of Mexico. 

According to ConocoPhillips, the Omosi-1 deepwater exploration well in Block 37 offshore Angola in the Kwanza Basin has been drilled to a total depth of 20,666 feet. A gas column of approximately 525 feet was encountered in the primary objective reservoir. ConocoPhillips says that no further activity is planned. The well has been plugged and abandoned.

ConocoPhillips-to-plug-and-abandon-wells-in-GoM-and-AngolaIn the deepwater Gulf of Mexico, the Harrier prospect in Mississippi Canyon Block 118 has been drilled to a total depth of 19,400 feet. No commercial hydrocarbons were encountered. The well will be plugged and abandoned. Stone Energy Offshore, L.L.C. was a non-operating co-owner in the Harrier prospect.

An after-tax charge relating to the two wells of approximately $142 million net to ConocoPhillips will be recorded to dry hole expense in the first quarter of 2015.

The total before-tax exploration expense for the quarter is estimated to be $482 million, which includes dry hole, leasehold impairment, G&A, and G&G expense.

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