The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 29, 2009
Filed:
Aug. 10, 2007
William Madigan, Houston, TX (US);
Eric B. Molz, Houston, TX (US);
Gamal A. Hassan, Houston, TX (US);
Philip L. Kurkoski, Houston, TX (US);
William Madigan, Houston, TX (US);
Eric B. Molz, Houston, TX (US);
Gamal A. Hassan, Houston, TX (US);
Philip L. Kurkoski, Houston, TX (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
A logging-while-drilling density sensor includes a gamma ray source and at least two NaI detectors spaced apart from the source for determining measurements indicative of the formation density. An analytic function based on a heuristic model is used to predict the measured response as a function of offset, mud density and formation density. The model may be used to provide a caliper measurement where acoustic caliper data are unreliable.