Downhole penetrometer

Details Downhole penetrometer Downhole penetrometer

E - Fixed Constructions

21

B

E21B 49/00 (2006.01)

Patent

CA 2056965

ABSTRACT A downhole penetrometer comprising a body which can be lowered into a borehole and including a tooth and an associated actuator for moving the tooth radially outwardly from the body so as to penetrate the wall of the borehole, a sensing arrangement being provided for determining the force applied to the tooth and the extent of penetration of the tooth into the borehole wall. A motor and pump arrangement is included to power the actuator, power typically being provided by a wireline which can also be used to communicate readings to the surface. A pair of inflatable packermodules are situated above and below the tooth to isolate an interval of the borehole in which a measurement is being made.

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