US PATENT SUBCLASS 166 / 381
.~ Placing or shifting well part


Current as of: June, 1999
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166 /   HD   WELLS

244.1  DF  PROCESSES {39}
381.~ Placing or shifting well part {6}
382  DF  .~.~> Providing support for well part (e.g., hanger or anchor)
383  DF  .~.~> By fluid driven piston
384  DF  .~.~> With bending of tubing
385  DF  .~.~> Flexible cable or wire
386  DF  .~.~> Fluid flow control member (e.g., plug or valve)
387  DF  .~.~> With sealing feature (e.g., packer)


DEFINITION

Classification: 166/381

Placing or shifting well part:

(under subclass 244.1) Process including a step of putting an element of a well in a particular place or moving an element to or from a position of use.

(1) Note. Movement of an actuator, or handle therefor, is insufficient to cause classification in this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

71, for apparatus with above ground casing sinking means and a below ground feature.

117.5, for a means for guiding an insertable element laterally of the well axis (e.g., a whipstock, or side pocket mandrel).

264, for a process of placing in position of use an apparatus (e.g., a tubing and a packer, etc.) for taking a sample of well fluid.

276, for a process of providing a porous cementitious filter. 277, for repairing an object in the well including expanding a section of pipe to repair another pipe.

278, for a graveling or filter forming process.

313, for a process of assembling or otherwise handling or manipulating well elements of a parallel, nonconcentric string or multiple completion well.

SEE OR SEARCH CLASS

405, Hydraulic and Earth Engineering,

133, for a method of placing or shifting parts (e.g., lining) in an underground vertical shaft.