1
Gordon Moake: Apparatus and method for measuring a borehole. Halliburton Company, Arnold White & Durkee, November 28, 1995: US05469736 (68 worldwide citation)

An apparatus and a method are provided for measuring the caliper of a borehole, and the standoff of a drilling tool from the walls of a borehole during a drilling operation. The apparatus includes three or more sensors, such as acoustic transducers arranged circumferentially around a downhole tool o ...


2
Moake Gordon: Appareil et dispositif pour le mesurage des parametres dun forage, Apparatus and method for measuring a borehole. Moake Gordon, Halliburton Company, OGILVY RENAULT SENCRLSRL, August 9, 2005: CA2133286

An apparatus and a method are provided for measuring the caliper of a borehole, and the standoff of a drilling tool from the walls of a borehole during a drilling operation. The apparatus includes three or more sensors, such as acoustic transducers arranged circumferentially around a downhole tool o ...