Long-time Houston and more recently Dallas-based business litigation attorney John C. Nabors died on Monday. Mr. Nabors was recently diagnosed with cancer.
Mr. Nabors was well-known in both Houston and Dallas business law circles, and was perhaps best known for his long representation and friendship with the mercurial Jack Stanley, who is a legendary Texas promoter of highly-leveraged oil and gas deals and an aggressive utilizer of chapter 11 to restructure debt that he raised in those deals.
Update: Here is the Dallas Morning News obituary on Mr. Nabors:

Nabors, JOHN C., passed away on June 14 in Dallas, Texas after a brief illness.
John graduated with a B.B.A. from the University of Texas at Austin in 1965. He then received a J.D. from the University of Texas School of Law with honors in 1967, where he was an associate editor of the Texas Law Review, a member of Chancellors, and a member of the Order of the Coif.
John Nabors was a Senior Partner at the law firm of Gardere Wynne Sewell LLP in Dallas, where he had practiced since 1989. He was a member of numerous committees and areas of service during his tenure there, including most recently being a Trial Team Leader in the firm’s Trial Section. Before joining the law firm of Gardere Wynne Sewell LLP, he was a partner at the law firm of Liddell Sapp Zivley Hill & Laboon in Houston where he began practicing in 1967. He maintained significant client and personal relationships in Houston after moving to Dallas in 1989.
John was admitted to practice before the US Supreme Court, Texas Supreme Court, US Court of Appeals for the Fifth and Eleventh Circuits, US Court of Claims, US District Courts for the Southern, Northern, Western and Eastern Districts of Texas, as well as the US District Court for the District of Nevada and the Superior Court for the State of California, County of Los Angeles. His professional memberships include the following: American Bar Association, American Bar Foundation (Life Member), Texas Bar Association, Dallas Bar Association, the Dallas Bar Foundation (Fellow), Houston Bar Association, and Texas Bar Foundation. Among his many other accomplishments, he was voted a Texas Super Lawyer in 2003 and 2004 by his peers, was featured in an article in the American Lawyer Magazine in 2002, and was a member of the Outstanding Lawyers of America.
He is survived by his wife of 22 years, Kathleen, and daughters Kathleen Nabors, Sarah Nabors, Carol Spiars and son-in-law Kevin Spiars, son John David Nabors, and grandchildren, John Nabors, Nicholas and Elijah Spiars, and sisters-in law Maureen Englishbey, Colleen McGlocklin, MaryEllen Raymond, Eileen Jacobson, and Tracy Sudan, and 10 nieces and nephews.
John was an avid outdoorsman who loved spending time on his operating cattle ranch in Hamilton, Texas. In 1978 John set a Guiness Book record by winning the longest canoe race in the world (419 miles). John was a member of The Houston Club, The Petroleum Club and the Brookhollow Golf Club. He will be dearly missed by his many friends and relatives. A private family burial service will be held on Wednesday in Hamilton, Tx. A memorial service will be held at 10:00 a.m. Friday, June 18 at Sparkman-Hillcrest Chapel, Northwest Highway, Dallas, Texas. Memorials may be made to Leukemia and Lymphoma Society. Dignity Memorial Sparkman Hillcrest 7405 W. Northwest Hwy. Dallas (214) 363-5401