Patents by Inventor David S. Stegemeier

David S. Stegemeier 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).

  • Methods of stimulating and producing multiple stratified reservoirs
    Patent number: 6119776
    Abstract: Methods of stimulating and producing multiple stratified hydrocarbon reservoirs having numerous separate reservoir compartments are provided. The methods basically comprise the steps of drilling a first well bore into a lower part of the reservoir having a horizontal portion which intersects a previously drilled second well bore therein. At least one fracture is formed extending into two or more reservoir compartments from the horizontal portion of the third well bore for conducted hydrocarbons in the reservoir into the horizontal portion of the first well bore from where the hydrocarbons flow into the second well bore and are withdrawn.
    Type: Grant
    Filed: May 12, 1998
    Date of Patent: September 19, 2000
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Stephen A. Graham, Raymond L. Brown, David S. Stegemeier
  • Methods of stimulating and producing multiple stratified reservoirs
    Patent number: 6095244
    Abstract: Methods of stimulating and producing multiple stratified hydrocarbon reservoirs having numerous separate reservoir compartments are provided. The methods basically comprise the steps of drilling a first well bore into a lower part of the reservoir having a horizontal portion which intersects a previously drilled second well bore therein. At least one fracture is formed extending into two or more reservoir compartments from the horizontal portion of the first well bore for conducted hydrocarbons in the reservoir into the horizontal portion of the first well bore from where the hydrocarbons flow into the second well bore and are withdrawn.
    Type: Grant
    Filed: February 12, 1998
    Date of Patent: August 1, 2000
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Stephen A. Graham, Raymond L. Brown, David S. Stegemeier