Overview
Jack Langlois is the office managing partner for Houston. Jack focuses his practice on energy related matters, including upstream, midstream and downstream. He advises clients on investments in and financings of energy projects and assets, including, mergers, joint ventures and acquisitions and dispositions of assets and stock of energy companies. Jack represents public and private companies, private equity investors, lenders, governments and national oil companies in a number of substantial domestic and international corporate transactions. Jack advises on mineral exploration and development projects, including matters involving acquisition of exploration and development rights, pipelines, gathering, transportation, processing, storage, and other infrastructure.
Jack has experience representing oil and gas production companies in connection with the acquisition of oil and gas properties. Jack also represents banks in connection with production payment acquisition and financing, and independent oil companies in the sale of overriding royalty interests to qualified investment buyers.
Jack has significant experience handling international transactions, including representing drilling companies in connection with sales of drilling rigs in Brazil, Canada and Greece, and representing power producers with the development and financing of power projects in Latin America. He also represented state oil companies and Western and Russian companies in connection with negotiations for development of Caspian Sea oil fields.
Results
- Represented Oasis Midstream in connection with preparation and negotiation of long-term gathering and processing agreement
- Represented a client in connection with negotiation of long-term ethane export purchase agreement
- Represented Todd Corporation in connection with negotiation of joint venture agreements and project agreements for development of methanol plant in Louisiana
- Represented Todd Corporation in connection with investment in LNG facility in Louisiana
- Represented a client in connection with purchase of securitized notes to fund acquisition of oil and gas wells
- Represented Kayne Anderson Funds in connection with Silver Hill sale of Outrigger pipeline owning entities to Targa*
- Represented ONGC (Overseas branch of the National Oil Company of India) in acquisition (for itself) and financing (For Rosneft) of two separate 20 percent interests in US $12 billion Sakhalin field exploration and production project with ExxonMobil as the operator*
- Represented LUKOIL in connection with joint venture with ConocoPhillips covering 14 exploration and production licenses in Western Siberia and the development, financing, construction and operation of an Arctic Oil Terminal with value in excess of US $4 billion*
- Represented Kayne Anderson Funds in sale of Silver Hill to RSP for value in excess of US $2 billion dollars*
- Represented Warburg Pincus Funds in connection with funding management team for oil and gas exploration*
- Represented Kayne Anderson Funds in connection with funding numerous management teams for oil and gas exploration, midstream infrastructure acquisition and development, and mineral and royalty acquisitions*
- Represented a joint venture company between Kayne Anderson Funds and Warburg Pincus Funds for formation of Terra Energy Partners and its US $910 million acquisition of rocky mountain assets of WPX*
- Represented an independent oil and gas company in connection with gathering and processing agreements for significant own production and processing plant volumes*
- Represented a privately held exploration and production company with subsidiary operations in Peru in the US $1 billion sale of the company to a consortium of foreign national oil companies*
- Represented Matlin Patterson Global Advisers in connection with evaluation of various investment opportunities in distressed oil and gas exploration companies and in connection with joint venture investment in Stone Mountain Resources, a Canadian E&P company with assets in the Horn River Shale Basin*
- Represented ERG Resources in Chapter 11 sale of assets*
- Represented a Houston-based E&P company with acquisition of oil and gas leases for development of Mississippian Shale in Oklahoma*
- Represented an E&P company in the disposition of undeveloped Niobrara Shale assets*
- Represented Newton Energy Partners in its acquisition of oil and gas properties in Canada*
- Represented a domestic E&P company in the acquisition of Paradox Basin Properties*
- Represented a domestic oil and gas company with more than 2.6 trillion cfe of natural gas reserves in the US $540 million sale of its oil, natural gas and coal-bed methane assets in two states to a pair of publicly traded purchasers*
- Represented a private equity fund in connection with various structured, preferred return investments up to US$65 million each in domestic oil and gas assets, including the engagement of management teams to operate the assets*
- Represented an energy services company in the proposed sale of substantially all of its assets in various eastern states to a public company*
- Represented Oasis Petroleum Management LLC’s management team in connection with the IPO for the company*
- Represented several portfolio companies of energy private equity fund in the acquisition of oil and gas properties in Texas, Louisiana, Oklahoma and other states*
- Represented several portfolio companies of energy private equity fund in the sale of oil and gas properties in Texas*
- Represented private domestic exploration companies in farmouts, exploration agreements, joint ventures, joint seismic survey, drilling contracts and other ventures affecting oil and gas properties in the continental US*
- Represented management teams in various private equity investments in domestic and international oil and gas assets with EnCap, Quantum and Jefferies funds*
- Represent domestic exploration and production companies in obtaining borrowing base revolving credit facilities*
- Represented Leor Energy in its sale of US oil and gas leases in Texas to EnCana USA*
- Represented a private equity fund in connection with hydrocarbon exploration joint venture in Texas*
- Represented an Oasis Petroleum North America LLC in connection with the acquisition of producing properties in Midwest and financing of acquisition*
- Represented Kayne Anderson in various private investments in domestic oil and gas assets*
- Represented a private company in negotiating Mineral Development Agreement with Native American Indian Tribe and joint venture with independent energy company for field exploration and development
- Represented Cavallo Energy in its sale of Texas oil and gas leases to Linn Energy
- Represented a Latin American client in sale of its drilling rig and service business to US public company*
- Represented LUKOIL in joint venture with ConocoPhillips to develop licenses in Russia*
- Represented a Spanish company in connection with the acquisition of a power project and associated LNG facilities in Puerto Rico from Enron bankruptcy estate*
- Represented a Canadian company in connection with the negotiation of the acquisition of several interstate natural gas pipelines from Enron Bankruptcy estate*
- Represented a US soda ash mining company and a special committee of the board of directors in its merger with a foreign owned purchaser*
- Represented an Indian exploration and production company in connection with its acquisition of and financing related to bids to acquire petroleum assets internationally*
- Represented an energy company in connection with the acquisition and subsequent disposition of pipeline, gathering systems and other midstream assets in Texas*
- Represented a Western company to negotiate concession of national trunklines in Kazakhstan*
*Matter handled prior to joining McDermott.
Recognitions
- The Best Lawyers in America, Natural Resources Law and Oil and Gas Law, 2012-2025
- Chambers USA, Corporate/M&A and Energy: Oil & Gas (Transactional), 2022-2024
- Legal 500 US, Recommended, 2022-2024
- IFLR1000, Project Development, Project Finance, M&A, 2023
Community
- American Bar Association Energy Law Section, member
- State Bar of Texas, member
Credentials
Education
Louisiana State University Law Center, JD, 1979
University of Southwestern Louisiana, BA with honors, 1976
Admissions
Texas