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Class Information
Number: 166/102
Name: Wells > Convertible
Description: Devices used below ground level and so designed that (1) by working on them above ground and reassembling all or some of their parts, adding or omitting a part or rearranging or adjusting parts they are changed from devices classifiable in Class 166 to ones which function as devices classifiable in other classes, or (2) by working on them above ground and reassembling all or some of their parts or adding or omitting a part their mode of operation may be changed.


Patents under this class:

Patent Number Title Of Patent Date Issued
RE40308 Multi-purpose injection and production well system May. 13, 2008
6966366 Plunger enhanced chamber lift for well installations Nov. 22, 2005
6481503 Multi-purpose injection and production well system Nov. 19, 2002
6182765 System and method for deploying a plurality of tools into a subterranean well Feb. 6, 2001
5088559 Method and apparatus for running wireline and reeled tubing into a wellbore and stuffing box used in connection therewith Feb. 18, 1992
4926936 Multiple purpose liner hanger construction May. 22, 1990
4664196 Downhole tool with compressible liquid spring chamber May. 12, 1987
4480697 Method and apparatus for converting an oil well to a well with effluent raising by gas-lift Nov. 6, 1984
4467865 Well packer provided with dual methods of use Aug. 28, 1984
4421175 Method of drilling and casing a well Dec. 20, 1983



 
 
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