E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
324/8
E21B 41/02 (2006.01) E21B 23/03 (2006.01) E21B 47/00 (2006.01) G01N 17/00 (2006.01)
Patent
CA 1232321
ABSTRACT OF THE DISCLOSURE A method and apparatus for monitoring corrosive effects of fluid in a well, for use with a well tubing mandrel having a main bore and a side pocket offset from the main bore. The mandrel also has a slot along the length of the side pocket adjacent the main bore, and the exterior surface of the mandrel is free of apertures. A corrosion coupon is mounted within a notch on the side of a carrier, and the carrier is placed into the side pocket for a specified time period. The carrier is oriented to position the coupon within the slot. The carrier is then removed from the well and the coupon is inspected.
499334
Gowling Lafleur Henderson Llp
Hughes Tool Company
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