US PATENT SUBCLASS 166 / 262
.~.~ Solid fuel or particles in well

Current as of: June, 1999
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166 /   HD   WELLS

244.1  DF  PROCESSES {39}
256  DF  .~ In situ combustion {6}
262.~.~ Solid fuel or particles in well

DEFINITION

Classification: 166/262

(under subclass 256) A process in which solid fuel or a bed of solid particles is placed in a well for purposes of starting or affecting in situ combustion.