E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/08 (2006.01)
Patent
CA 2632687
An apparatus for investigating a formation, comprises a caliper provided with a transmitter for transmitting a transmitted pulse signal; a detector for detecting a reflected pulse signal, wherein the reflected pulse signal is the transmitted pulse signal reflected from a target location on a surface of the formation onto which the transmitted pulse signal is incident; a means for determining the time interval between the transmission of the transmitted pulse signal and the detection of the reflected pulse signal; a means for rotating the transmitter and the detector with respect to the axis of the caliper, wherein rotation of the transmitter and the detector causes the target location on the surface of the formation onto which the transmitted pulse signal is incident to rotate with respect to the axis of the caliper. A corresponding method is also disclosed.
Les modes de réalisation de la présente invention concernent un calibre ainsi qu~un procédé permettant de cartographier les dimensions et la topographie d~une formation telle la paroi latérale d~un trou de forage. Parmi les exemple de formations dans lesquels on peut utiliser les modes de réalisation de l~invention, on trouve, entre autres, des barrettes ou des trous de forage destinés à l~extraction du pétrole, du gaz ou à un pieu de fondation qui ont été forés ou creusés dans le sol.
Hayes John A.
Loadtest Inc.
Mbm Intellectual Property Law Llp
LandOfFree
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