Michael E. Arruda

Registered Foreign Lawyer (California) Partner


Hong Kong

P: +852.3601.9240 F: +852.3601.9100


P: +86.10.8532.7900 F: +86.10.8532.7999
Mike Arruda Photo

With more than 30 years of legal practice, Mike Arruda’s experience encompasses almost every aspect of oil and gas activity. His practice centers on the acquisition, operation, and divestiture of oil and gas interests on behalf of clients in Asia. He represents oil and gas companies that are resident in Asia making acquisitions abroad as well as oil and gas companies based outside of Asia that are seeking to acquire companies or assets in Asia. Collectively, the clients he represents are involved in the full spectrum of oil and gas activities, from exploration and development through midstream processing and transportation to downstream refining and sales.

Mr. Arruda assists clients with oil and gas industry transactions, including competitive tenders and auctions, data acquisitions, joint studies, joint ventures, joint operations, farm-ins and farm-outs, unitizations, pipeline rights-of-way, crude oil sales, gas sales, gas balancing and storage, oil and gas processing, facility sharing, and various other transactional matters relating to the acquisition, operation, and disposition of oil and gas interests.

Mr. Arruda has represented clients in energy acquisitions and related transactions around the world, including China, Russia, Kazakhstan, Uzbekistan, Kyrgyzstan, Azerbaijan, Indonesia, Cambodia, Vietnam, Pakistan, Thailand, Libya, Mauritania, Tunisia, Nigeria, Equatorial Guinea, Venezuela, Colombia, Ecuador, Peru, Bolivia, Argentina, Canada, the United States, Mexico, Norway, and the United Kingdom.

Prior to going into private practice, Mr. Arruda worked as in-house counsel with a major international oil and gas company and in government.

Related Experience

Oil & Gas M&A Transactions

Share Acquisitions/Disposals*

  • Acquisition by a consortium of international investors led by Maju Investments (Mauritius) Pte Ltd, a subsidiary of Temasek Holdings (Private) Limited in the acquisition of a majority stake in the U.S.-based oilfield service company Frac Tech Holdings, LLC
  • Acquisition by PT Pertamina (Persero), Indonesia’s state-owned oil and gas company, of BP West Java Limited from BP plc
  • Bid and acquisition of oil and gas company with assets in western Kazakhstan on behalf of an Asian national oil and gas company
  • Acquisition of KUFPEC Indonesia (Pangkah) by Asian Indonesia state owned enterprise
  • Acquisition of an indirect equity interest in a Jakarta Stock Exchange listed holding company with multiple Indonesian PSCs, international assets, and power, petrochemicals, exploration and drilling company subsidiaries
  • Acquisition of shares of multiple companies with oil and gas participation and service contracts in Ecuador including a major interest in an oil pipeline
  • Acquisition of subsidiaries of U.S. international oil company holding petroleum licenses in Peru and Argentina
  • Acquisition of shareholding in subsidiaries of U.S. international oil companies holding PSC interests in offshore China
  • Acquisition of interest of subsidiary of U.S. international oil company holding interests in petroleum licenses in Gulf of Thailand
  • Acquisition of interest in an Argentine-based international oil company holding assets in Bolivia, Argentina, and Turkmenistan
  • Acquisition of company owning an interest in Uzen field in Kazakhstan for a Chinese national oil company
  • Acquisition of companies holding production sharing contracts in Azerbaijan on behalf of U.S. major
  • Restructuring and refinancing of oil and gas interests of a Chinese national oil company in Peru
  • Subscription of shares of company with interests in multiple coal bed methane PSCs and gas distribution system in China and associated infrastructure
  • Acquisition of a majority shareholding in a Nigerian company owning a local refinery

Asset Acquisition/Disposals and Swaps*

  • Bid and potential acquisition of interests in licenses in the NCS and UKCS sectors from Statoil on behalf of an Asian national oil company
  • Bid and potential acquisition of participating interests owned by Murphy Oil Company in Malaysia on behalf of an Asian national oil company
  • Proposed acquisition of independent oil company owning largest oilfield offshore Africa (Ghana) on behalf of Chinese national oil company
  • Acquisition of interest in an oil prospecting license and oil mining licenses in Nigeria
  • Acquisition of various production sharing contracts, including associated assets, in Nigeria
  • Acquisition of an interest in a PSC in Equatorial Guinea
  • Acquisition of gas producing blocks in Turkmenistan on behalf of Asian national oil company, including commercialization of related arbitration award
  • Swap transaction involving the exchange of interests in petroleum licenses in Tunisia for an interest in an Indonesia PSC. Public tender for oil and gas Exploration and Production Sharing Agreement in Libya
  • Acquisition of an Indonesian local company’s entire interest in an Indonesian PSC
  • Acquisition and operation of privatized gas transportation system in Kazakhstan and Uzbekistan
  • Acquisition of interest in LNG project by international oil company in southeast Asia
  • Acquisition of interest in offshore blocks in Liberia on behalf of Chinese NOC
  • Exploration joint venture with Nexen involving multiple prospects and leases in US Gulf of Mexico on behalf of Chinese NOC

Industry Transactions*

  • Petroleum Agreement and related industry agreements and legislative amendments in connection with the acquisition of an oil and gas block in Cambodia
  • Joint venture agreement between a national oil company and oilfield services company (and related documents) to provide onshore oilfield services to companies operating in Indonesia
  • Consortium agreement, revised production sharing contract and related operating agreements, for the development of a large offshore gas field
  • Modifications to Petroleum Contract on behalf of international oil company to address changes in PRC abandonment regime
  • Long term gas supply agreement on behalf of Hong Kong utility with Chinese SOE
  • Exploration joint venture with an Indonesian JSX listed energy company covering twelve PSCs, and related farming arrangements
  • Offshore rig upgrade and sharing agreement for use in South East Asia
  • Restructuring of interest in offshore rig sharing agreement in Libya
  • Master services agreement for use in upstream operations in Vietnam
  • Joint operating agreement and accounting procedures associated with Equatorial Guinea PSC
  • Seismic acquisition agreement for 3D seismic acquisition program offshore Equatorial Guinea
  • Joint operating agreements and accounting procedures in multiple blocks in Indonesia
  • Crude oil offtake, joint operating agreements and related secondment agreements for oil producing blocks in Peru
  • Crude purchase agreement with PEMEX on behalf of independent U.S. oil company
  • Crude purchase agreement with PdVSA on behalf of an independent U.S. oil company
  • Intergovernmental agreements regarding construction and approval of the Caspian Pipeline (Kazakhstan)
  • Crude oil sales agreement and refined product sales agreement in Nigeria
  • Bid documentation for a Vietnam oil refinery on behalf of an integrated European international oil company
  • Development of oil and gas regime, including regulations and model forms, for Southeast Asian host government
  • Production sharing agreement in Russia
  • International joint venture in connection with the development of an oil sands project in Alberta, Canada

Industry Financings *

  • Investment by Temasek Holdings (Private) Limited in connection with its exercise to place, and its investment in, Cumulative Non-Voting Convertible Preferred Stock in a private placement by Chesapeake Energy Corporation which closed on June 18, 2010
  • Subscription by Maju Investments (Mauritius) Pte. Ltd. a wholly owned subsidiary of Temasek Holdings Pte Ltd. of Senior Secured Convertible Bonds due 2012 issued by Niko Resources Limited
  • Proposed subscription by a sovereign wealth fund of shares of Green Dragon Gas Ltd., a large developer and producer of coal bed methane in China

*Before joining Baker Botts

Awards & Community

Recognized in The International Who's Who of Oil & Gas Lawyers: Energy, 2007-2020

Listed in the Guide to the World's Global Elite Energy Attorneys, 2010-2020

Recognized in China/Hong Kong for Energy & Natural Resources in Chambers Asia, 2010-2020

Recognized as "Lawyer of the year" in Energy and Natural Resources Law (International Firms) in Beijing by Best Lawyers, 2019

Recognized in Beijing for Energy & Natural Resources (International Firms) in Best Lawyers, 2019

Recognized in China/Hong Kong for Projects & Energy in The Legal 500 Asia, 2010-2019



2018 Short Training Course in Upstream Oil & Gas Law

Speeches & Presentations

Petroleum Institute of Thailand (PTIT), Bangkok

From Advocacy to Adoption to Adaption: Optimising the Future of Global Gas

Speeches & Presentations

Asia Pacific Energy Assembly, Energy Council, Singapore



LNG2019 - Shanghai

Baker Botts is proud to be a part of the LNG 2019 Summit in Shanghai, the 19th International Conference and Exhibition on Liquefied Natural Gas, presented by the International Gas Union (IGU), Gas Technology Institute (GTI) and the International Institute of Refrigeration (IIR). LNG2019 will be the largest LNG event ever held in China, the world's fastest growing LNG market.