Management

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. Rowekamp joined Unit Drilling Company in late 1997 when the company acquired Hickman Drilling Company.  He is currently Regional Vice President of the Panhandle and Woodward Divisions.  Mr. Rowekamp worked for Hickman Drilling for a year prior to joining Unit, he also spent a year managing landfill gas extraction projects for Waste Energy Technology and 14 years with UTI Energy’s contract drilling group in various positions from Drilling Engineer to Vice President of Operations.  Mr. Rowekamp is a 1982 graduate of Marietta College with a Bachelor of Science degree in Petroleum Engineering

Mr. Case joined Unit Drilling Company in 2000 as the Gulf Coast Marketing Manager.  In 2005, he became Division Team Leader of the Rocky Mountain Division, and in January 2010 he was promoted to his current position of Regional Vice President of the Rocky Mountain Division.  Mr. Case began his career in 1984 with Hercules Offshore Drilling.  From 1990 to 1998, he worked in Denver for Grace Drilling Company, Apollo Drilling, Inc. and then Nabors Drilling.  In 1998, he moved to Houston, Texas and worked for Bayard Drilling, and then Grey Wolf Drilling in 1999 before joining Unit in 2000.  He received his A.A.S. in Petroleum Technology from the University of Texas in 1983.

Mr. Greer joined Unit Drilling Company in 1987 as Marketing Representative.  Over his career he has held positions as Division Marketing Representative, Marketing Manager, and Corporate Marketing Manager.  Prior to joining the company, he was employed by Hughes Tool Company for 13 years and as a design engineer, Field Engineer and Senior Field Engineer.  At his departure he held the position of Eastern Regional Manager.  Mr. Greer received a Bachelor of Science degree in Mechanical Technology from Oklahoma State University in 1974.

Mr. Sparkman joined Unit Drilling Company in 2005 as a Drilling Engineer.  In 2011, he undertook the role of Engineering Manager.  His current responsibilities include supervising the design and fabrication of new build and refurbished drilling rigs, providing technical support to field operations and developing the engineering department.  Mr. Sparkman earned a Bachelor of Science degree in Mechanical Engineering and a Master of Business Administration degree from the University of Oklahoma.

Mr. Almond joined Unit Drilling Company in 1984 as a mechanic and he assumed the duties of Corporate Maintenance Manager in 2001.  In 1974, while still in high school, he started his career working as a field mechanic in Odessa, Texas.  He spent some time with Waukesha Pierce Industries in Corpus Christi, Texas.  Mike then joined the United States Marine Corps to become a helicopter mechanic. In 1979, he worked for an Oklahoma City machine shop sub contracted to manufacture new products for the oilfield (e.g. drawworks, mud pumps, etc.). Mr. Almond continued his career with Noble Drilling as a lead mechanic before joining Unit in 1984.

Mr. Sands joined Unit Drilling Company in 1999 and is currently the Drilling Superintendent.  From 1991 to 1999, he worked for Parker Drilling Company.  Mr. Sands started his career as a Roughneck and then worked his way up to a Rig Manager before being promoted to his position as Rockies Drilling Manager. 

 

 

 

Management

 

John Cromling - Executive Vice President - Drilling

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.

Keith Rowekamp - Regional Vice President

Mr. Rowekamp joined Unit Drilling Company in late 1997 when the company acquired Hickman Drilling Company.  He is currently Regional Vice President of the Panhandle and Woodward Divisions.  Mr. Rowekamp worked for Hickman Drilling for a year prior to joining Unit, he also spent a year managing landfill gas extraction projects for Waste Energy Technology and 14 years with UTI Energy’s contract drilling group in various positions from Drilling Engineer to Vice President of Operations.  Mr. Rowekamp is a 1982 graduate of Marietta College with a Bachelor of Science degree in Petroleum Engineering

David Case - Regional Vice President

Mr. Case joined Unit Drilling Company in 2000 as the Gulf Coast Marketing Manager.  In 2005, he became Division Team Leader of the Rocky Mountain Division, and in January 2010 he was promoted to his current position of Regional Vice President of the Rocky Mountain Division.  Mr. Case began his career in 1984 with Hercules Offshore Drilling.  From 1990 to 1998, he worked in Denver for Grace Drilling Company, Apollo Drilling, Inc. and then Nabors Drilling.  In 1998, he moved to Houston, Texas and worked for Bayard Drilling, and then Grey Wolf Drilling in 1999 before joining Unit in 2000.  He received his A.A.S. in Petroleum Technology from the University of Texas in 1983.

Jim Greer - Vice President - Marketing

Mr. Greer joined Unit Drilling Company in 1987 as Marketing Representative.  Over his career he has held positions as Division Marketing Representative, Marketing Manager, and Corporate Marketing Manager.  Prior to joining the company, he was employed by Hughes Tool Company for 13 years and as a design engineer, Field Engineer and Senior Field Engineer.  At his departure he held the position of Eastern Regional Manager.  Mr. Greer received a Bachelor of Science degree in Mechanical Technology from Oklahoma State University in 1974.

Joe Sparkman - Engineering Manager

Mr. Sparkman joined Unit Drilling Company in 2005 as a Drilling Engineer.  In 2011, he undertook the role of Engineering Manager.  His current responsibilities include supervising the design and fabrication of new build and refurbished drilling rigs, providing technical support to field operations and developing the engineering department.  Mr. Sparkman earned a Bachelor of Science degree in Mechanical Engineering and a Master of Business Administration degree from the University of Oklahoma.

Mike Almond - Corporate Maintenance Manager

Mr. Almond joined Unit Drilling Company in 1984 as a mechanic and he assumed the duties of Corporate Maintenance Manager in 2001.  In 1974, while still in high school, he started his career working as a field mechanic in Odessa, Texas.  He spent some time with Waukesha Pierce Industries in Corpus Christi, Texas.  Mike then joined the United States Marine Corps to become a helicopter mechanic. In 1979, he worked for an Oklahoma City machine shop sub contracted to manufacture new products for the oilfield (e.g. drawworks, mud pumps, etc.). Mr. Almond continued his career with Noble Drilling as a lead mechanic before joining Unit in 1984.

Robert Sands - Drilling Superintendent

Mr. Sands joined Unit Drilling Company in 1999 and is currently the Drilling Superintendent.  From 1991 to 1999, he worked for Parker Drilling Company.  Mr. Sands started his career as a Roughneck and then worked his way up to a Rig Manager before being promoted to his position as Rockies Drilling Manager.