E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 47/12 (2006.01) E21B 23/00 (2006.01) E21B 41/00 (2006.01) E21B 43/119 (2006.01) E21B 47/00 (2006.01) E21B 47/01 (2006.01) E21B 47/04 (2006.01) E21B 47/09 (2006.01)
Patent
CA 2408425
A method for operating a downhole tool. The method includes moving an instrument through a wellbore, and the instrument includes a first non- acoustic transponder that is adapted to detect identification codes. An identification code detected from at least one second non-acoustic transponder is compared to a reference code. The at least one second non-acoustic transponder is attached to an emplaced structure in the wellbore, and the comparison is performed when the instrument moves by the at least one second non-acoustic transponder. The downhole tool is then operated if the identification code matches the reference code. A downhole tool operation system including at least one first non-acoustic transponder emplaced in a wellbore and adapted to communicate an identification code. At least one second non-acoustic transponder is adapted to move through the wellbore, and the at least one second non-acoustic transponder is adapted to detect an identification code when moving by the at least one first non-acoustic transponder. A processor is coupled to the at least one second non-acoustic transponder and is adapted to compare the identification code to a reference code and operate the downhole tool if the identification code matches the reference code.
Adnan Sarmad
Thomeer Hubertus V.
Schlumberger Canada Limited
Smart & Biggar
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