Patents by Inventor Sigmund Stokka

Sigmund Stokka 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).

  • Patent number: 8590615
    Abstract: A casing device for a borehole in the ground, in which an annulus is formed between the casing and the wall of the borehole, and in which the casing is provided with at least two packer groups, each including activatable packers, the packers being formed, in their active state, to seal the annulus, and at least one packer group of the activatable packers being connected to sliding sleeves, so that at least one group of packers is movable relative to the casing.
    Type: Grant
    Filed: October 15, 2008
    Date of Patent: November 26, 2013
    Assignee: Hole in One Producer AS
    Inventors: Sigmund Stokka, Bjarne Aas
  • Publication number: 20100224358
    Abstract: A casing device for a borehole in the ground, in which an annulus is formed between the casing and the wall of the borehole, and in which the casing is provided with at least two packer groups, each including activatable packers, the packers being formed, in their active state, to seal the annulus, and at least one packer group of the activatable packers being connected to sliding sleeves, so that at least one group of packers is movable relative to the casing.
    Type: Application
    Filed: October 15, 2008
    Publication date: September 9, 2010
    Applicant: International Research Institute of Stavanger AS
    Inventors: Sigmund Stokka, Bjarne Aas
  • Patent number: 7093673
    Abstract: Method of introducing instruments/measuring equipment/tools into formations (9) in the earth's crust or other solid materials, such as ice, by means of a drilling device (1), material being liberated by, for example, rotation of a drill bit (2), or by melting, for example by means of a heating element, the liberated material thereafter flowing, or being pumped, past/through the drilling device (1) and being deposited in the bore hole (18) above/behind the drilling device (1). A drilling device (1) for practising the method described above, comprising necessary components, for example a drill bit (2), a driving motor (4), and a steering/control component (7), the drilling device (1) being provided with a cable magazine (10) containing a cable (12), and possibly with an output feeder (11).
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: August 22, 2006
    Assignee: Badger Explorer ASA
    Inventor: Sigmund Stokka
  • Publication number: 20040011558
    Abstract: Method of introducing instruments/measuring equipment/tools into formations (9) in the earth's crust or other solid materials, such as ice, by means of a drilling device (1), material being liberated by, for example, rotation of a drill bit (2), or by melting, for example by means of a heating element, the liberated material thereafter flowing, or being pumped, past/through the drilling device (1) and being deposited in the bore hole (18) above/behind the drilling device (1). A drilling device (1) for practising the method described above, comprising necessary components, for example a drill bit (2), a driving motor (4), and a steering/control component (7), the drilling device (1) being provided with a cable magazine (10) containing a cable (12), and possibly with an output feeder (11).
    Type: Application
    Filed: December 27, 2002
    Publication date: January 22, 2004
    Inventor: Sigmund Stokka