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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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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