
Energy: Oil & Gas (Transactional)
Global Guide 2026 : USA
Rankings

Ranked Individuals
Ranked Individuals
About
Provided by Vinson & Elkins LLP
· Vinson & Elkins is consistently ranked as the world’s leading energy law firm, with approximately 700 lawyers and a client base including many of the largest independent oil and gas exploration and production companies, premier private equity firms and master limited partnerships. The firm has ranked #1 in energy M&A transactions by volume and value over the last decade, according to Mergermarket.
· Our law firm’s strong reputation is reflected in the number of lawyers – more than 60 percent – who dedicate their practice to the energy sector. That deep bench has three distinct advantages for energy companies:
- Our lawyers in supporting practices, such as tax, environmental and regulatory have unique experience and knowledge on oil and gas transactions.
- Our lawyers, from associates doing due diligence to senior partners structuring transactions, have unparalleled technical knowledge of the industry.
- Our experience gives us a valued perspective of what is “market” even for cutting-edge deals. This gives our clients an advantage in structuring and negotiations.
· With an integrated network of 16 offices across the globe, V&E offers clients nearly a century of cross-border experience in the legal aspects of virtually all areas of the oil and gas value stream in energy-producing regions across the globe.
Chambers Review
Provided by Chambers
Work Highlights
Provided by Chambers
Vinson & Elkins LLP advised Endeavor Energy Resources in its entry into a definitive merger agreement with Diamondback Energy in a transaction valued at approximately $26 billion.
Strengths
Provided by Chambers
Vinson and Elkins has lots of experience interacting with the relevant regulatory agencies. They have proven to be creative and strategic.
Energy: Oil & Gas (Transactional) respondentGlobalThe firm has significant resources and a deep bench of talent. The department I worked with was very knowledgeable about what is considered 'market' from similar deals.
Energy: Oil & Gas (Transactional) respondentGlobalV&E has subject matter experts with extensive experience, a track record of good results and a large team.
Energy: Oil & Gas (Transactional) respondentGlobalV&E are always very responsive and insightful on the issues put forward. Everything has been above and beyond what is expected.
Energy: Oil & Gas (Transactional) respondentGlobalThe V&E team is technically proficient and able to apply commercial judgment to solve thorny issues that arise in a transaction.
Energy: Oil & Gas (Transactional) respondentGlobal
Notable Practitioners
Provided by Chambers
Eminent Practitioners 
Eminent Practitioners 
Keith Fullenweider
Keith Fullenweider expertly advises private equity firms on the full spectrum of oil and gas transactions, including M&A, financing and securities matters. Band 1 
Band 1 
James D Seegers
James Seegers has considerable expertise in regulatory issues surrounding the construction and operation of natural gas pipelines. Band 2 
Band 2 
Bryan Loocke
Bryan Loocke focuses his practice on upstream and midstream oil and gas matters, with expertise spanning M&A and a broad range of commercial agreements concerning gathering and processing. Bryan is one of the top notch oil and gas attorneys in the city.
Energy: Oil & Gas (Transactional) respondentGlobalBrian's expertise from legal and industry is invaluable.
Energy: Oil & Gas (Transactional) respondentGlobal
Band 2 
Band 2 
John Grand
John Grand's oil and gas practice spans M&A, joint ventures and investments, with a particular focus in the upstream and midstream sectors. John is excellently commercial, extremely competent in inquires of work he is doing and a great communicator.
Energy: Oil & Gas (Transactional) respondentGlobal
Band 3 
Band 3 
Jeffrey M Jakubiak
Jeffrey Jakubiak has a wealth of experience handling a range of FERC proceedings as well as advising key power sector clients on compliance and enforcement matters. Band 4 
Band 4 
Chris Bennett
Chris Bennett centers his practice on the upstream and midstream oil and gas sectors, frequently handling M&A and private equity transactions. Chris has a very good knowledge of the regulations and the technical aspects of the deal.
Energy: Oil & Gas (Transactional) respondentGlobal
Band 4 
Band 4 
Christopher Polito
Christopher Polito is adept at representing major energy clients before FERC. He is noted for his experience handling tariff and cost matters, as well as non-public investigations. He is fast, pragmatic and insightful.
Energy: Oil & Gas (Transactional) respondentGlobal
Band 4 
Band 4 
Danielle Patterson
Danielle Patterson is noted for her expertise in oil and gas transactions. She has particular experience acting on behalf of hydrocarbon exploration companies. Band 4 
Band 4 
Shay Kuperman
Shay Kuperman regularly represents clients active in the oil and gas sector. He has particular strength guiding clients through the acquisition of companies and assets. Band 5 
Band 5 
Jason Fleischer
Jason Fleischer is experienced across a range of FERC litigation and investigation matters, regularly acting for pipelines and other market participants.
Jason's work product is incredible.
Energy: Oil & Gas (Transactional) respondentGlobalJason is an excellent writer, very creative and a practical negotiator.
Energy: Oil & Gas (Transactional) respondentGlobalJason has taken the time to bridge the gap between legal and commercial concepts.
Energy: Oil & Gas (Transactional) respondentGlobal
Band 5 
Band 5 
Monique Watson
Monique Watson focuses her practice in the natural gas sector. She is well-versed in oil pipeline regulations and managing rate approvals before FERC. Monique has a very good understanding of the inner workings of FERC and the challenges that regulators face.
Energy: Oil & Gas (Transactional) respondentGlobal
Band 5 
Band 5 
Suzanne Clevenger
Suzanne Clevenger acts for major energy clients in rate and tariff matters before FERC. She has additional experience handling Natural Gas Act Section 4 cases. Suzanne is able to interpret regulatory rules vis a vis commercial transactions in a way that sets her apart.
Energy: Oil & Gas (Transactional) respondentGlobal
Ranked Individuals at Vinson & Elkins LLP (12)
Members
Provided by Vinson & Elkins LLP

Keith Fullenweider
View profile of Keith Fullenweider
Bryan Loocke
View profile of Bryan Loocke
John Grand
View profile of John Grand
Danielle Patterson
View profile of Danielle Patterson
Shay Kuperman
View profile of Shay Kuperman
Chris Bennett
View profile of Chris Bennett
Jeffrey M Jakubiak
View profile of Jeffrey M Jakubiak
James D Seegers
View profile of James D Seegers
Jason Fleischer
View profile of Jason Fleischer
Christopher Polito
View profile of Christopher Polito
Monique Watson
View profile of Monique Watson
Suzanne Clevenger
View profile of Suzanne Clevenger
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