.~.~> Operated by fluid pressure controlled above ground {1}
DEFINITION
Classification: 166/373
Operating a valve, closure, or changeable restrictor in a well:
(under subclass 244) Process for operating a fluid flow regulating device located in the well.
(1) Note. The mere step of positioning or landing a valve in a well without a significant operating step is not sufficient for inclusion in this subclass. Likewise, the mere step of placing or removing a plug in a well for stopping or allowing flow is classified in subclass 286.
SEE OR SEARCH THIS CLASS, SUBCLASS:
316, for a valve, closure, or changeable restrictor.
386, for a method of positioning a valve in a well, where no significant operation step is claimed, or a method of positioning or removing a plug from a well.
