4H Drilling Company
License 60978 Active
- Well Abandonment
- Well Drilling
- Well Repair
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Licensed by the Texas Department of Licensing and Regulation (TDLR) as a water well driller and pump installer (drilling endorsements: water wells, monitoring wells, closed-loop geothermal wells; pump endorsements: single-phase pumps, three-phase pumps). License 4936 held by Michael Roy Deyo, expires 2028-05-30. Filed 917 well reports with the Texas Water Development Board since 2016 (571 for household wells), most recently in September 2026, mostly in Aransas, Nueces and San Patricio counties.
License 60978 Active
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