Downhole corrosion coupon holder

Details Downhole corrosion coupon holder Downhole corrosion coupon holder

E - Fixed Constructions

21

B

166/2

E21B 47/00 (2006.01) E21B 23/02 (2006.01) E21B 41/02 (2006.01) E21B 47/01 (2006.01) G01N 17/00 (2006.01)

Patent

CA 1269613

DOWNHOLE CORROSION COUPON HOLDER Abstract of the Disclosure A corrosion coupon anchoring system for positively positioning a corrosion monitoring coupon in the production flowpath downhole in a producing well. Preferably cylindri- cal coupons are held firmly within a cylindrical housing suspended out of contact with any other metallic surface. An adaptor threadingly engages the cylindrical housing to a conventional locking mandrel that is locked in place to a nipple positioned in the tubing string. The minimum internal dimension of the coupon holding section is not less than the minimum internal dimension of the locking mandrel so as to minimize flow restriction introduced by the anchoring system.

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