Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate
2005-01-18
2005-01-18
Bagnell, David (Department: 3672)
Wells
Processes
With indicating, testing, measuring or locating
C166S254100, C166S255100, C166S255200, C166S053000
Reexamination Certificate
active
06843317
ABSTRACT:
An autonomous system for performing a well operation at a predetermined location in a wellbore comprises a tool string having at least one well tool, a motive device for traversing the wellbore, and a control system adapted to position the tool string near the predetermined location. The control system comprises (i) a sensing system for detecting mass irregularities in the wellbore and (ii) a processor system having a processor with memory for storing at least one well log. The processor acts under programmed instructions to compare sensor signals to the stored well log to determine a tool string position in the wellbore. The control system also contains circuits for controlling the operation of the well tool and the motive device.
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Bagnell David
Baker Hughes Incorporated
Collins Giovanna M.
Madan Mossman & Sriram P.C.
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