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Class Information
Number: 166/54.5
Name: Wells > Means for cutting cable or rope below ground
Description: Devices comprising means for severing a flexible strand such as a cable, rope or the like, the severing means being located in a well below ground level when performing the severing operation.

Sub-classes under this class:

Class Number Class Name Patents
166/54.6 Cutting means actuated by contacting element suspended in well by cable or rope 13

Patents under this class:

Patent Number Title Of Patent Date Issued
8678088 Method and apparatus to position and protect control lines being coupled to a pipe string on a rig Mar. 25, 2014
8424595 Method and apparatus for releasing a coiled tubing internal conduit from a bottom hole assembly Apr. 23, 2013
8376040 Cutting device and a method for emergency cutting of a line in a well Feb. 19, 2013
8336612 Severing of downhole tubing with associated cable Dec. 25, 2012
8118088 Shear activated safety valve system Feb. 21, 2012
8082980 Downhole well access line cutting tool Dec. 27, 2011
8020619 Severing of downhole tubing with associated cable Sep. 20, 2011
7971637 Dual mini well surface control system Jul. 5, 2011
7963319 Downhole cable gripping/shearing device Jun. 21, 2011
7810553 Coiled tubing wireline cutter Oct. 12, 2010
7624792 Shear activated safety valve system Dec. 1, 2009
7588084 Method for releasing cables from an attached well tool and apparatus for exercising the method Sep. 15, 2009
7422055 Coiled tubing wireline cutter Sep. 9, 2008
7264060 Side entry sub hydraulic wireline cutter and method Sep. 4, 2007
7134374 Safety cable cutter for cutting a cable used in servicing an oil and gas well Nov. 14, 2006
7128155 Cutting tool and method of cutting an object in a well Oct. 31, 2006
7114563 Tubing or drill pipe conveyed downhole tool system with releasable wireline cable head Oct. 3, 2006
6805197 Hydraulic wireline cutter Oct. 19, 2004
6789627 Control line cutting tool and method Sep. 14, 2004
6763753 Hydraulic wireline cutter Jul. 20, 2004
6526858 Cable breakaway assembly Mar. 4, 2003
5720348 Apparatus and method for cutting wire Feb. 24, 1998
4825953 Well servicing system May. 2, 1989
4817725 Oil field cable abrading system Apr. 4, 1989
4746246 Remotely actuated cutting assembly for broken underwater guidelines May. 24, 1988
4738312 Cable cutting coupling for drilling, production, well logging or other operations in wells Apr. 19, 1988
4721355 Optical cable connector assembly including breakable link and process using same Jan. 26, 1988
4660635 Equipment for a pipe string such as a drill-pipe string, comprising a side entry connection for passing a cable Apr. 28, 1987
4653776 Umbilical safety joint Mar. 31, 1987
4557628 Method and apparatus for remotely cutting broken underwater guidelines Dec. 10, 1985
4512411 Fluid actuated energy charged well service line cutter Apr. 23, 1985
4430552 Thermal release device Feb. 7, 1984
4306622 Apparatus and method for down-hole retrieval of pumping equipment Dec. 22, 1981
4237972 Well bore apparatus adapted for being releasably coupled to suspension cables Dec. 9, 1980
4057026 Pyrotechnic cutter apparatus Nov. 8, 1977
3967647 Subsea control valve apparatus Jul. 6, 1976

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