With decades of experience in the oil patch, our team understands what oil and gas producers need from monitoring equipment. We work directly with you to understand your objectives and design systems that will increase revenue without additional staff time. Call us at 281.561.0008 or use our contact form for a free consultation.

Kurt von Plonski, President & Partner

  • Founding Partner and Managing Director, Battlecat Oil & Gas, LLC
  • Founding Partner and Vice President, Operations, Escondido Resources II
  • 28 years petroleum engineering experience, primarily in production engineering and optimization
  • Registered Professional Engineer

Dr. Mark Semmelbeck, Partner

  • Founding Partner and Managing Director, Battlecat Oil & Gas, LLC
  • Founding Partner and Vice President, Engineering, Escondido Resources II
  • 28 years in petroleum engineering, primarily in reservoir engineering and stimulation

Mike Jeffers, Vice President of Business Development

  • With Sentry since the company was founded in 1992
  • Extensive experience in product development, product application and systems design
  • Strong customer support background

David Armstrong, Service Manager

  • 40 years experience in production, workover and completion supervision
  • 20 years experience in automation installations and artificial lift optimization

Jon Engel, Technical Support Manager

  • Former U.S. Marine Corps: helicopter avionics, combat aircrew, Iraq War veteran
  • Cum Laude graduate, Houston Baptist University
  • Programming experience in C++ and Visual Basic software and Latter Logic
  • Developed web-based automation software
  • Experience with Schneider Electric ClearSCADA software

Jared von Plonski, Shop Technician