US PATENT SUBCLASS 166 / 281
.~ Separate steps of (1) cementing, plugging or consolidating and (2) fracturing or attacking formation


Current as of: June, 1999
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166 /   HD   WELLS

244.1  DF  PROCESSES {39}
281.~ Separate steps of (1) cementing, plugging or consolidating and (2) fracturing or attacking formation


DEFINITION

Classification: 166/281

(under subclass 244.1) A process in which a part of the process relates to (1) cementing, plugging or consolidating and a separate part of the process relates to (2) fracturing or attacking the formation.

(1) Note. See the definition of subclasses 307 and 308 for the meaning of attacking the formation and fracturing the formation, respectively.

(2) Note. It is not considered two separate parts of a process if a single stream or volume of one fluid composition performs both functions (1) and (2). See subclasses 282 and 283 for such processes.

(3) Note. It is not considered two separate parts of a process performing functions (1) and (2) if the process is for forming a fracture by cementing, plugging or consolidating material and as a separate step forming another fracture by such material. Such process would be classifiable in subclass 283.