About Us

Delta Epsilon provides portable borehole logging systems used worldwide for groundwater exploration, water well development, environmental, geotechnical, and natural resources applications.

The company has operated for nearly two decades as Delta Epsilon Instruments. Leadership consists of descendants and former employees of Mt. Sopris Instruments, bringing extensive experience in portable borehole logging system development.

We emphasize customer relationships and derive satisfaction from knowing our products effectively serve users around the globe. We prioritize a distinct clarity of purpose, experienced intelligent engineering, and a passion for excellence in every logging system we build.

Precise, Portable, Rugged, and Versatile

Every Delta Epsilon system reflects careful attention to detail — from transport cases to individual components — combined with intuitive operation, robustness, and comprehensive logging capability. A total system approach results in functionally superb, unusually capable geophysical well logging systems.