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Baker Botts Represents Oil Search in $400 Million Acquisition of Oil Assets from Armstrong Energy LLC and GMT Exploration Company LLC 

Deal Description: On October 31, 2017, Oil Search signed an agreement to acquire a number of oil assets in the Alaska North Slope from privately-owned companies Armstrong Energy LLC and GMT Exploration Company LLC. The terms of the acquisition include the purchase for US$400 million of a 25.5% interest in the Pikka Unit and adjacent exploration acreage, a 37.5% interest in the Horseshoe Block and Hue Shale, together with rights to operatorship of the Pikka Unit. Also included in the terms of the transaction is an option, exercisable at Oil Search’s discretion until 30 June 2019, to double its interest in the assets for an additional US$450 million. 

The acquired oil leases contain approximately 500 million barrel (gross) in the Nanushuk and satellite oil fields, with Nanushuk being one of the largest conventional oil fields discovered in the US in more than 30 years.

The acquisition will provide Oil Search with world class oil assets immediately adjacent to existing infrastructure. The assets complement the Company’s existing top quartile, high returning PNG gas portfolio and, with significant growth opportunities, have the potential to become, over time, a material business for Oil Search, of a scale equivalent to its PNG assets. 

Baker Botts L.L.P. represented Oil Search in this transaction. 

Baker Botts Lawyers/Office Involved:  

Hugh Tucker (Partner, Houston); Coleson Bruce (Senior Associate, Austin); Luke Burns (Associate, Houston); John Craven (Associate, Houston); Alia Heintz (Associate, Houston); Alastair Papworth (Associate, Houston); Mike Bengtson (Partner, Austin); John Kaercher (Senior Associate, Austin); Rachel Ratcliffe (Associate, Austin); Allison Lancaster (Associate, Austin); Paul Luther (Partner, Washington); Timothy Lee (Associate, Washington); R.L. Pratt (Associate, Washington); Aileen Hooks (Partner, Austin); Samia Broadaway (Associate, Austin); Ron Scharnberg (Partner, Houston); Katie McEvilly (Associate, Houston).


Baker Botts is an international law firm of approximately 700 lawyers practicing throughout a network of 12 offices around the globe. Based on our experience and knowledge of our clients' industries, we are recognized as a leading firm in the energy, technology, and life sciences sectors. Since 1840, we have provided creative and effective legal solutions for our clients while demonstrating an unrelenting commitment to excellence. For more information, please visit

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