US PATENT SUBCLASS 166 / 277
.~ Repairing object in well


Current as of: June, 1999
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166 /   HD   WELLS

244.1  DF  PROCESSES {39}
277.~ Repairing object in well


DEFINITION

Classification: 166/277

(under subclass 244.1) A process comprising repairing an object in the well (e.g., connecting broken ends, stopping leaks through the casting wall, replacing a casing section, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

207, for an expansible casing section.

311+, for processes for cleaning, which may cause an ineffective object to become operative.

315, for a process of placing, shifting, constructing or assembling well parts including expanding a casing section against a bore hole wall.

SEE OR SEARCH CLASS 137, Fluid Handling,

15, for processes of repairing fluid handling means of general utility.