Patents Assigned to Ernest J. Gremillion
  • Disposable point with explosive charge for seismic exploration
    Patent number: 5343002
    Abstract: A disposable point detachably mounted on the lower end of a vertically movable hole forming elongated member with the point having an explosive charge mounted therein in order for the disposable point and explosive charge to remain in the bottom of a hole formed by the elongated member and point when they are forced into a subsurface formation which is to be seismically explored with the elongated member then being retracted.
    Type: Grant
    Filed: November 3, 1992
    Date of Patent: August 30, 1994
    Assignee: Ernest J. Gremillion
    Inventor: Richard A. Gremillion