US PATENT SUBCLASS 166 / 310
.~ Entraining or incorporating treating material in flowing earth fluid


Current as of: June, 1999
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166 /   HD   WELLS

244.1  DF  PROCESSES {39}
310.~ Entraining or incorporating treating material in flowing earth fluid


DEFINITION

Classification: 166/310

(under subclass 244.1) A process comprising placing material in a well so that fluid flowing into and out of the well from the earth entrains, dissolves or reacts with the material thereby to impart some beneficial property to the resulting mixture, solution or composition.

(1) Note. An example of a "beneficial property" is corrosion inhibiting.

SEE OR SEARCH THIS CLASS, SUBCLASS:

279, for a process involving material placed in the pores of a formation to treat resident fluid flowing into the well.

309, for a process involving material placed in a well to produce a foam or gas in the well as the earth fluid flows into and out of the well.

311, for a process for cleaning or unloading a well comprising entraining gas in material in a well to lift it out of the well. SEE OR SEARCH CLASS

507, Earth Boring, Well Treating, and Oil Field Chemistry,

100+, for earth boring or well treating compositions and their mere methods of use.