Atty. Samuel E. "Sam" Masur
Sam Masur’s practice is concentrated in the areas of oil and gas litigation, general commercial litigation, oil and gas titles, oil and gas and oil field service company acquisitions and divestitures, and general business acquisitions and divestitures. In both Louisiana state and federal courts, Sam litigates oil and gas and general business contract disputes involving oil and gas leases, overriding royalty interest agreements, joint operating agreements, and distribution agreements and partnership and limited liability agreements.
Energy Law & More Attorney · Serving Lafayette, LA
Profile Summary
About Samuel E. "Sam" Masur at a Glance
Samuel E. "Sam" Masur is a environmental and energy attorney based in Lafayette, Louisiana, practicing at Gordon Arata. Admitted to practice in Louisiana, Louisiana State Bar Association. Educated at Louisiana State University (J.D., 1982) and University of Georgia (—, 1979). Recognitions include Best Lawyers in America — Energy Law (2026), Best Lawyers in America — Natural Resources Law (2026), and Best Lawyers in America — Oil and Gas Law (2026). Serves clients in Lafayette, LA and the surrounding metropolitan area.
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About Samuel E. "Sam" Masur
Sam Masur’s practice is concentrated in the areas of oil and gas litigation, general commercial litigation, oil and gas titles, oil and gas and oil field service company acquisitions and divestitures, and general business acquisitions and divestitures.
In both Louisiana state and federal courts, Sam litigates oil and gas and general business contract disputes involving oil and gas leases, overriding royalty interest agreements, joint operating agreements, and distribution agreements and partnership and limited liability agreements. He has participated in such actions in Louisiana, Texas, Oklahoma, and Arkansas. Sam has successfully defended several oilfield environmental claims and toxic tort claims related to ambient air quality, and has prosecuted a major oil and gas fraud case involving theft of corporate assets and breach of fiduciary duty by corporate officers. He has also successfully defended a publicly traded company in seven class action suits that sought to enjoin a board recommended take-private merger. Additionally, he has handled products liability litigation involving propane explosions.
Beyond his litigation practice, Sam represents clients in the start-up phase of their new businesses and manages asset-based and stock-based acquisitions and divestitures for exploration companies, chemical companies, oil field service companies, allied health businesses and minor league sports franchises. He negotiates and drafts the complex purchase and sale agreements for those transactions, and provides advice on corporate and financing matters to those clients.
Representative Matters:
- Represented sellers in sale of $40 million oilfield service company (June 2011)
- Represented exploration company in sale of $77 million of reserves (May 2010)
- Represented seller in $95 million sale of producing oil and gas properties (March 2008)
- Represented creditor in $75 million corporate refinance (April 2008)
- Represented buyer in purchase of $19.75 million oil field service company (April 2008)
- Represented buyer in purchase of $11.75 million oil field service company (January 2008)
- Represented company in refinance of $50 million in corporate debt (November 2007)
- Represented exploration company in acquisition of $110 million producing property package (2007)
- Tower Oil & Gas Co. of Texas v. Brammer Engineering, Inc., 2011 WL 3819093 (E.D. La. August 26, 2011)
- Rozel Energy II, LLC v. Coupel, 2010 WL 2853760 (La. App. 1 Cir. June 3, 2010)
- Gulf Explorer v. Clayton Williams Energy, 964 So.2d 1042 (La. App. 1 Cir. June 8, 2007)
- Credeur v. Jayco, Inc., 916 So.2d 1244 (La. App. 3 Cir. November 2, 2005)
- Dore Energy Corp. v. Carter-Langham, Inc., 901 So.2d 1238 (La. App. 3 Cir. May 4, 2005)
- Wilson Industries, Inc. v. Aviva America, Inc., 185 F.3d 492 (5th Cir. (La.) August 30, 1999)
- Breese v. Hadson Petroleum (USA), Inc., 947 F.Supp. 242 (M.D. La. July 10, 1996)
- Preston Oil Co. v. Transcontinental Gas Pipe Line Corp., 594 So.2d 908 (La. App. 1 Cir. December 27, 1991)
- Due Diligence in the Acquisition of Producing Properties (LAPL – Lafayette, Louisiana – 2002)
- The Electronic Age and Oil and Gas Contracting, 48 Min. Law Inst. 244 (2001)
- Confidentiality Issues and Solutions for the Oil Patch (LAPL – Lafayette, Louisiana -2001)
- Operating in the Coastal Zone – What Does it Mean for the Landman (LAPL – Lafayette, Louisiana -October 1998)
- Confidentiality Agreements: A Why, When and How Approach to Usage (HAPL – Houston, Texas – September 1997)
- The Art of Due Diligence (The Exploration and Production Company Mergers and Acquisitions Institute – Houston Texas – May 1997)
- Reflections on Seismic Permitting (DAPL – Denver, Colorado – November, 1997; PLANO – Beaver Creek, Colorado – February 1996; LAPL - Lafayette , Louisiana – October 1995)
- The 1989 AAPL Model Form Operating Agreement (Lafayette Bar Association - Lafayette, Louisiana - The 1989 AAPL Model Form Operating Agreement, September 1990 – Lafayette Bar Association - Lafayette, Louisiana)
- American Bar Association - Litigation, Business Law, Environment, Energy, and Resources Sections
- Louisiana State Bar Association
- Lafayette Parish Bar Association
- American Association of Professional Landmen
- Lafayette Association of Professional Landmen
- Louisiana Bar Foundation – Fellow
- Listed in Louisiana SuperLawyers
- Inns of Court of Acadiana – Master
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Practice Areas Explained
Samuel E. "Sam" Masur's Areas of Legal Practice
Each practice area below reflects the types of cases Samuel E. "Sam" Masur handles, with a practical overview of what that area of law involves and how it may apply to your situation in Lafayette.
Environmental Law in Lafayette
Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.
Samuel E. "Sam" Masur is one of 55,977 environmental attorneys indexed nationally. Browse environmental attorneys in Louisiana →
Energy & Utilities Law in Lafayette
Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.
Samuel E. "Sam" Masur is one of 35,985 energy attorneys indexed nationally. Browse energy attorneys in Louisiana →
Jurisdictional Context
Why Local Counsel Matters in Lafayette
Practicing law in Louisiana. Legal matters in Louisiana are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Lafayette are typically filed in the local municipal court or the appropriate Louisiana state district court, depending on subject matter and amount in controversy. An attorney licensed in Louisiana brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Louisiana courts without local counsel or pro hac vice admission.
Lafayette Courts and Legal Process
Choosing a Lafayette-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
Looking for additional Louisiana attorneys? Browse all attorneys in Lafayette or all attorneys in Louisiana.
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Professional Profile
Why Clients in Lafayette Choose Samuel E. "Sam" Masur
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Samuel E. "Sam" Masur's practice in the field of environmental and energy.
Broad Practice Area Coverage
Covering environmental and energy, Samuel E. "Sam" Masur can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in Lafayette
A Lafayette-based practice means Samuel E. "Sam" Masur attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
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Samuel E. "Sam" Masur's Practice Areas & Specializations
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