Patents by Inventor David T. Snow

David T. Snow has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Deviated drilling method for water production
    Patent number: 7654343
    Abstract: Method for drilling horizontal or deviated fresh water wells through such volcanics as occur in Hawaii, including hard lavas and fragmented interbeds that are prone to caving. The method provides effective means to drill into basal aquifers directly underlain by salt water, or into compartmented or confined aquifers or perched aquifers. The method uses deviated drilling and may use formation grouting, casing or drill-stem drilling, percussion or rotary drilling and all combinations thereof.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: February 2, 2010
    Inventor: David T. Snow
  • Deviated Drilling Method for Water Production
    Publication number: 20080223617
    Abstract: Method for drilling horizontal or deviated fresh water wells through such volcanics as occur in Hawaii, including hard lavas and fragmented interbeds that are prone to caving. The method provides effective means to drill into basal aquifers directly underlain by salt water, or into compartmented or confined aquifers or perched aquifers. The method uses deviated drilling and may use formation grouting, casing or drill-stem drilling, percussion or rotary drilling and all combinations thereof.
    Type: Application
    Filed: March 15, 2007
    Publication date: September 18, 2008
    Inventor: David T. Snow