Method and apparatus for quick determination of the...

Details Method and apparatus for quick determination of the... Method and apparatus for quick determination of the...

G - Physics

01

V

G01V 1/40 (2006.01) E21B 47/08 (2006.01)

Patent

CA 2336039

A measuring while drilling, (MWD), downhole apparatus and method for attachment to the drill tool, (10), which quickly and accurately estimates the ellipticity of earth boreholes, (12), during any drilling operation using circle based calculations involving statistical analysis methods of distance measurements made by acoustic sensors, (30), and a method to estimate the borehole ellipticity.

L'invention concerne un appareil de fond destiné à une mesure de fond pendant le forage (MWD) et un procédé afférent de fixation à l'outil de forage (10), l'appareil permettant d'estimer avec rapidité et précision la forme elliptique de trous de forage (12) dans le terre lors de n'importe quelle opération de forage au moyen de calculs sur la base d'un cercle induisant des procédés d'analyse statistique de mesures de distance effectuées par des capteurs acoustiques (30), ainsi qu'un procédé d'estimation de cette forme elliptique.

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