Senior Management


Jack Ryser | Chairman and owner

My Ryser has successfully owned and operated oilfield services companies for over two decades. Mr. Ryser has demonstrated a unique ability to recognize opportunities and successfully introduce and grow companies to fill these opportunities over the last 20 years. It is from this vision and entrepreneurial spirit that the company cultured has been forged and continues to differentiate Eastern Colorado Well Service from its competition.

In 1988, Mr. Ryser started a welding service company in Cheyenne Wells, Colorado and in 1992 started JR Oilfield Service. JR provides oilfield construction, roustabout services,trucking, and a machine shop, which he still owns and operates today. ECWS was formed by Jack Ryser in 1997 in Cheyenne Wells, Colorado. ECWS expanded to eight work-over rigs by 2002 and during the past fifteen years, the company has added 41 more work-over rigs and is one of the largest private well service companies in the Rocky Mountain region. Mr. Ryser has also been a successful member of several drilling programs in Eastern Colorado and Western Kansas and continues to be an active member today.