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:
Apr. 01, 2003
Filed:
Dec. 14, 2000
Richard F. Sigal, Spring, TX (US);
Ron Cherry, Kingwood, TX (US);
Peter Ian Day, Houston, TX (US);
James Elmer Galford, Missouri City, TX (US);
John C. Bouton, Doylestown, PA (US);
Ridvan Akkurt, Kingwood, TX (US);
Daniel Lee Miller, Kingwood, TX (US);
Manfred G. Prammer, Downingtown, PA (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
An method and system are disclosed for NMR echo-train data acquisition and processing for enhanced vertical resolution for a given signal to noise ratio. In one aspect, the method is based on providing an estimate of non-formation signal components and removing the estimate from the NMR signals. Computation of the estimate is done from the data itself or using a direct measurement of non-formation signals. In another aspect, the functions of reducing coherent noise components is separated from the function of reducing the random noise components, to enhance the resolution of the NMR pulse echo data for a given signal to noise ratio (SNR) of the data. Combination processing is disclosed, which enables efficient filtering of the input NMR data for both relatively high and relatively low SNR of the formation data.