Please take a moment to acquaint yourself with our management team. Our managers and employees are dedicated to the continued growth and success of the Company. The result is a Unit that is efficient and capable of handling the demands of a growing company.

Executive Officers

J.Michael Adcock has served on the board of directors since 1997. He was elected the Chairman of the Board in December 2016. Mr. Adcock has been a licensed attorney since 1974, and has served since 1997 as co-trustee of the Don Bodard Trust, a private business trust dealing in real estate, oil and natural gas investments, and other equity investments. Mr. Adcock is also Chairman of the Board of the privately-owned Arvest Bank, Shawnee, Oklahoma. He is also a director, finance committee member, compensation committee chair and chairman of the board of the nonprofit Avedis Foundation (successor to Community Health Partners, Inc.). Mr. Adcock has been a co-owner of Central Disposal, LLC, a solid waste management company with operations in central Oklahoma, since 2009, and was elected as Chairman of the Board in 2014. Between 1997 and September 1998, Mr. Adcock served as Chairman of the Board of Ameribank, President and CEO of American National Bank and Trust Company of Shawnee, Oklahoma, and Chairman of AmeriTrust Corporation, Tulsa, Oklahoma. Before 1997, Mr. Adcock was engaged in the private practice of law and served as General Counsel for Ameribank Corporation. Mr. Adcock holds a BS degree in business administration from Oklahoma State University, and a juris doctorate from the University of Oklahoma College of Law.

Mr. Pinkston is an accounting professional who has served the company for 30 years, 26 of which have been in the following leadership positions (some of these positions he has held concurrently): Treasurer – 17 years, Vice President – 14 years, Chief Financial Officer – 14 years, President – 8 years, Director – 8 years, Chief Operating Officer – 7 years, CEO – 6 years. Mr. Pinkston’s extensive knowledge of the company (both as a whole as well as that of each of its three business segments), along with his accounting and finance expertise and his many years of experience provides significant and continuing value to our board.

Mr. Schell joined Unit in January 1987, as its Secretary and General Counsel. In 2003, he was promoted to Senior Vice President. From 1979 until joining Unit, Mr. Schell was Counsel, Vice President and a member of the Board of Directors of C & S Exploration Inc. He received a Bachelor of Science degree in Political Science from Arizona State University and his Juris Doctorate degree from the University of Tulsa College of Law. He is a member of the Oklahoma Bar Association.

Mr. Merrill joined Unit in August 2003 as Vice President, Finance and in February 2004 was elected to the position of Chief Financial Officer and Treasurer. From May 1999 through August 2003, Mr. Merrill served as Senior Vice President, Finance with TV Guide Networks, Inc. From July 1996 through May 1999 he was Senior Manager with Deloitte & Touche LLP. From July 1994 through July 1996 he was the Director of Financial Reporting and Special Projects for MAPCO, Inc. He began his career as an auditor with Deloitte, Haskins & Sells in 1983. Mr Merrill received a Bachelor of Business Administration Degree in Accounting from the University of Oklahoma and is a Certified Public Accountant.

 

Additional Officers

Mr. Cromling joined Unit Drilling Company in 1997 as a Vice-President and Division Manager.  In April 2005, he was promoted to the position of Executive Vice-President of Drilling for Unit Drilling Company.  In 1980, he formed Cromling Drilling Company which managed and operated drilling rigs until 1987.  From 1987 to 1997, Cromling Drilling Company provided engineering consulting services and generated and drilled oil and gas prospects. Prior to this, he was employed by Big Chief Drilling for eleven years and served as Vice-President. Mr. Cromling graduated from the University of Oklahoma with a degree in Petroleum Engineering.

Mr. Young joined Unit in June 2007 as Vice President – Central Division before becoming Senior Vice President of Exploration and Production over Unit’s Midcontinent assets.  In 2017, he was promoted to Executive Vice President of Exploration for Unit Petroleum Company. From 1991 until joining Unit, he worked for Anadarko Petroleum Company starting as a Production Engineer and then as a Reservoir Engineer.  In 1996, he was promoted to a Senior Asset Engineering role responsible for delineation and development of Anadarko’s North African oil fields.  In 1999, he was moved into a Senior Completions / Operations Engineering role responsible for development of gas fields in East Texas.  In 2000, he was promoted to Division Engineer for their Permian Division in West Texas.  In 2002, he was promoted to Planning Manager for North America.  In 2004, he was promoted to General Manager of Central Gulf of Mexico.  Mr. Young holds a Bachelor of Science degree in Petroleum Engineering from Texas Tech University and a Master of Business Administration degree from Texas A&M University.

Mr. Parks founded Superior Pipeline Company, L.L.C. in 1996. When Superior was acquired by Unit in July 2004, he continued with Superior as one of its managers and as its President. From April 1992 through April 1996, Mr. Parks served as Vice-President – Gathering and Processing for Cimarron Gas Companies. From December 1986 through March 1992, he served as Vice-President – Business Development for American Central Gas Companies. Mr. Parks began his career as an engineer with Cities Service Company in 1978. He received a Bachelor of Science degree in Chemical Engineering from Rice University and his M.B.A. from the University of Texas at Austin.

 

 

EXECUTIVE OFFICERS

 

J. Michael Adcock
J.Michael Adcock has served on the board of directors since 1997. He was elected the Chairman of the Board in December 2016. Mr. Adcock has been a licensed attorney since 1974, and has served since 1997 as co-trustee of the Don Bodard Trust, a private business trust dealing in real estate, oil and natural gas investments, and other equity investments. Mr. Adcock is also Chairman of the Board of the privately-owned Arvest Bank, Shawnee, Oklahoma. He is also a director, finance committee member, compensation committee chair and chairman of the board of the nonprofit Avedis Foundation (successor to Community Health Partners, Inc.). Mr. Adcock has been a co-owner of Central Disposal, LLC, a solid waste management company with operations in central Oklahoma, since 2009, and was elected as Chairman of the Board in 2014. Between 1997 and September 1998, Mr. Adcock served as Chairman of the Board of Ameribank, President and CEO of American National Bank and Trust Company of Shawnee, Oklahoma, and Chairman of AmeriTrust Corporation, Tulsa, Oklahoma. Before 1997, Mr. Adcock was engaged in the private practice of law and served as General Counsel for Ameribank Corporation. Mr. Adcock holds a BS degree in business administration from Oklahoma State University, and a juris doctorate from the University of Oklahoma College of Law.

Larry D. Pinkston
Mr. Pinkston joined the Company in December 1981. He had served as Corporate Budget Director and Assistant Controller prior to being appointed as Controller in February 1985. He has been Treasurer since December 1986 and was elected to the position of Vice President and Chief Financial Officer in May 1989. In 2003, he was promoted to Executive Vice President and effective August 1, 2003, he assumed the office of President. In February of 2004, he was elected to the position of Chief Operating Officer. Effective April 1, 2005, with the retirement of John Nikkel, Mr. Pinkston assumed the office of Chief Executive Officer. He holds a Bachelor of Science Degree in Accounting from East Central University of Oklahoma and is a Certified Public Accountant.

Mark E. Schell
Mr. Schell joined Unit in January 1987, as its Secretary and General Counsel. In 2003, he was promoted to Senior Vice President. From 1979 until joining Unit, Mr. Schell was Counsel, Vice President and a member of the Board of Directors of C & S Exploration Inc. He received a Bachelor of Science degree in Political Science from Arizona State University and his Juris Doctorate degree from the University of Tulsa Law School. He is a member of the Oklahoma and American Bar Association as well as being a member of the American Corporate Counsel Association and the American Society of Corporate Secretaries.


David T. Merrill


Mr. Merrill joined Unit in August 2003 as Vice President, Finance and in February 2004 was elected to the position of Chief Financial Officer and Treasurer. From May 1999 through August 2003, Mr. Merrill served as Senior Vice President, Finance with TV Guide Networks, Inc. From July 1996 through May 1999 he was Senior Manager with Deloitte & Touche LLP. From July 1994 through July 1996 he was the Director of Financial Reporting and Special Projects for MAPCO, Inc. He began his career as an auditor with Deloitte, Haskins & Sells in 1983. Mr Merrill received a Bachelor of Business Administration Degree in Accounting from the University of Oklahoma and is a Certified Public Accountant.

 

ADDITIONAL OFFICERS


Unit Drilling Company

John Cromling


Mr. Cromling joined Unit Drilling in 1997 as a Vice-President and Division Manager. He was recently promoted to the position of Senior Vice-President of Drilling Operations. In 1980, he formed Cromling Drilling Company which managed and operated drilling rigs until 1987. From 1987 to 1997, Cromling Drilling Company provided engineering consulting services and generated and drilled oil and gas prospects. Prior to this, he was employed by Big Chief Drilling for eleven years and served as Vice-President. Mr Cromling graduated from the University of Oklahoma with a degree in Petroleum Engineering.

Frank Young


Mr. Young joined Unit in June 2007 as Vice President – Central Division before becoming Senior Vice President of Exploration and Production over Unit’s Midcontinent assets.  In 2017, he was promoted to Executive Vice President of Exploration for Unit Petroleum Company. From 1991 until joining Unit, he worked for Anadarko Petroleum Company starting as a Production Engineer and then as a Reservoir Engineer.  In 1996, he was promoted to a Senior Asset Engineering role responsible for delineation and development of Anadarko’s North African oil fields.  In 1999, he was moved into a Senior Completions / Operations Engineering role responsible for development of gas fields in East Texas.  In 2000, he was promoted to Division Engineer for their Permian Division in West Texas.  In 2002, he was promoted to Planning Manager for North America.  In 2004, he was promoted to General Manager of Central Gulf of Mexico.  Mr. Young holds a Bachelor of Science degree in Petroleum Engineering from Texas Tech University and a Master of Business Administration degree from Texas A&M University.

Robert Parks


Mr. Parks founded Superior Pipeline Company, L.L.C. in 1996. When Superior was acquired by Unit in July 2004, he continued with Superior as one of its managers and as its President. From April 1992 through April 1996, Mr. Parks served as Vice-President – Gathering and Processing for Cimarron Gas Companies. From December 1986 through March 1992, he served as Vice-President – Business Development for American Central Gas Companies. Mr. Parks began his career as an engineer with Cities Service Company in 1978. He received a Bachelor of Science degree in Chemical Engineering from Rice University and his M.B.A. from the University of Texas at Austin.

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