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Patent
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G01V 7/02 (2006.01) G01V 7/04 (2006.01)
Patent
CA 1203397
ABSTRACT OF THE INVENTION An automated borehole gravity meter system for measuring gravity within a wellbore. The gravity meter includes leveling devices for leveling the borehole gravity meter, displacement devices for applying forces to a gravity sensing device within the gravity meter to bring the gravity sensing device to a predetermined or null position. Electronic sensing and control devices are pro- vided for (i) activating the displacement devices, (ii) sensing the forces applied to the gravity sensing device, (iii) electronically converting the values of the forces into a representation of the gravity at the location in the wellbore, and (iv) outputting such representation. The system further includes electronic control devices with the capability of correcting the representation of gravity for tidal effects, as well as, calculating and outputting the formation bulk density and/or porosity. 83041ART0071
446368
Lautzenhiser Theodore V.
Wirtz Jimmy D.
Amoco Corporation
Gowling Lafleur Henderson Llp
LandOfFree
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