Patents by Inventor Jeffrey D. MacQueen

Jeffrey D. MacQueen 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).

  • Continuous gravity survey of a borehole
    Patent number: 8594937
    Abstract: Gravity measurements from a borehole gravity survey are obtained by continuously moving the gravity meter within the borehole. Movement-induced acceleration errors are quantified and subtracted from the gross measurements from the gravity meter to obtain actual gravity values at a multitude of measurement points within the borehole. Acceleration errors are calculated from the second differential of the true vertical depth of the gravity meter, which is computed measured length and weight and elongation characteristics of a cable which suspends the gravity meter in the borehole, upper and lower tension measurements in the cable, and the topography of the borehole.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: November 26, 2013
    Assignee: Micro-g LaCoste, Inc.
    Inventors: Ethan H. Mann, Jeffrey D. MacQueen, Daniel Aliod
  • Continuous Gravity Survey of a Borehole
    Publication number: 20120010817
    Abstract: Gravity measurements from a borehole gravity survey are obtained by continuously moving the gravity meter within the borehole. Movement-induced acceleration errors are quantified and subtracted from the gross measurements from the gravity meter to obtain actual gravity values at a multitude of measurement points within the borehole. Acceleration errors are calculated from the second differential of the true vertical depth of the gravity meter, which is computed measured length and weight and elongation characteristics of a cable which suspends the gravity meter in the borehole, upper and lower tension measurements in the cable, and the topography of the borehole.
    Type: Application
    Filed: July 8, 2010
    Publication date: January 12, 2012
    Inventors: Ethan H. Mann, Jeffrey D. MacQueen, Daniel Aliod