Organisation: Occidental Petroleum

Debevoise & Plimpton partner David W Rivkin and former Hong Kong secretary for justice Rimsky Yuen SC have been named as the new co-chairs of the Hong Kong International Arbitration Centre.

26 May 2020

Days after winning a net sum of US$411 million in a claim against Ecuador over a tax on windfall oil profits, Bahamian oil company Perenco has asked a US court to enforce the award – as the state applies to ICSID to have it annulled.

03 October 2019

Bahamian oil company Perenco has won US$449 million in an ICSID claim against Ecuador over a levy on windfall oil revenues while also being ordered to pay the state US$54 million towards an environmental cleanup.

30 September 2019

The Ukrainian state-owned operator of the world’s longest ammonia pipeline has reportedly prevailed in a US$190 million dispute with a Russian chemicals group over transit tariffs.

19 September 2019

Jenner & Block's former co-chair of international arbitration Richard Ziegler has teamed up with Noah Hanft, former president and CEO of the CPR Institute, to launch a new arbitrator and mediator practice in New York – both men bringing experience as general counsel at US multinationals.

19 June 2019

Houston-based Occidental Petroleum is reportedly pursuing arbitration against a New York corporate advisory firm over its work for a rival bidder in a recent takeover battle for US oil company Anadarko.

14 June 2019

An international consortium that operates a major crude oil pipeline in Ecuador has withdrawn an UNCITRAL claim worth $470 million against the state in the wake of changes to its tax regime.

04 April 2019

Houston-based Occidental Petroleum has failed in a bid to restrain Canadian oil and gas company Encana from pursuing claims against it in an ICDR arbitration over rights to the proceeds of a billon-dollar ICSID award against Ecuador.

27 February 2019

ExxonMobil has resubmitted a claim against Venezuela to ICSID, after an annulment committee dramatically slashed US$1.4 billion from an award the oil group secured in 2014, concluding that the original tribunal had exceeded its powers.

26 October 2018

Allen & Overy has hired public international law and investment treaty arbitration specialist Suzanne Spears, who is also recognised for her work in business and human rights law, from Volterra Fietta.

01 October 2018