Circulating nipple and method for setting well casing

Details Circulating nipple and method for setting well casing Circulating nipple and method for setting well casing

E - Fixed Constructions

21

B

E21B 19/087 (2006.01) E21B 19/16 (2006.01) E21B 23/00 (2006.01)

Patent

CA 2271530

A circulating nipple used to circulate fluid through well casing while running the casing into a well. The circulating nipple has a body portion and an elongated neck portion. The elongated neck portion is adapted for engagement with a pipe wrench for making the nipple up on the casing string. The body defines one or more holes therethrough adapted for receiving a handle or operating bar therein. The operating bar may be used as an alternative to, or in addition to, the use of the pipe wrench for making the nipple up on the casing string. Methods of running casing using the circulating nipple are also disclosed.

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