E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/53
E21B 37/00 (2006.01) B65H 51/14 (2006.01) E21B 19/22 (2006.01) E21B 33/068 (2006.01)
Patent
CA 1220418
ABSTRACT OF THE DISCLOSURE Improved coil tubing injection apparatus for servicing wells by running coil tubing thereinto for circulating fluid through the well and having the ability to rotate the coil tubing for performing drilling operations. The apparatus can readily provide concurrent longitudinal and rotational movement of the coil tubing. Methods of servicing wells involving such movement of coil tubing are disclosed. (0050P)
464291
Council Malcolm N.
Cox Don C.
Sizer Phillip S.
Otis Engineering Corporation
Riches Mckenzie & Herbert Llp
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