Note 1 - Basis of Presentation (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Current Ownership Hierarchy [Table Text Block]

Name	State of Formation	Ownership	Business
Heat Waves Hot Oil Service LLC	Colorado	100% by Enservco	Oil and natural gas well services, including logistics and stimulation.
Adler Hot Oil Service, LLC	Delaware	100% by Enservco	Operations integrated into Heat Waves during 2019. Adler Hot Oil Service, LLC was dissolved during the second quarter of 2021.
Heat Waves Water Management LLC	Colorado	100% by Enservco	Discontinued operations in 2019. Heat Waves Water Management LLC was dissolved during the second quarter of 2021.
Dillco Fluid Service, Inc	Kansas	100% by Enservco	Discontinued operations in 2018. Dillco Fluid Service, Inc was dissolved during the second quarter of 2021.