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Class Information
Number: 166/55.8
Name: Wells > Means for perforating, weakening, bending or separating pipe at an unprepared point > Cutter rotates circumferentially of pipe > Internal > Tool moved radially by fluid pressure
Description: Devices in which a gaseous or liquid medium under pressure is used to apply a radial force to the tool.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7383876 |
Cutting tool for use in a wellbore tubular |
Jun. 10, 2008 |
| 7370703 |
Downhole hydraulic pipe cutter |
May. 13, 2008 |
| 7108064 |
Milling tool insert and method of use |
Sep. 19, 2006 |
| 7036600 |
Technique for deploying expandables |
May. 2, 2006 |
| 7004257 |
Apparatus and methods for separating and joining tubulars in a wellbore |
Feb. 28, 2006 |
| 6920923 |
Section mill for wells |
Jul. 26, 2005 |
| 6851475 |
Apparatus and methods for separating and joining tubulars in a wellbore |
Feb. 8, 2005 |
| 6805197 |
Hydraulic wireline cutter |
Oct. 19, 2004 |
| 6763753 |
Hydraulic wireline cutter |
Jul. 20, 2004 |
| 6702009 |
Select-fire pressure relief subassembly for a chemical cutter |
Mar. 9, 2004 |
| 6702030 |
Procedures and equipment for profiling and jointing of pipes |
Mar. 9, 2004 |
| 6695065 |
Tubing expansion |
Feb. 24, 2004 |
| 6695063 |
Expansion assembly for a tubular expander tool, and method of tubular expansion |
Feb. 24, 2004 |
| 6684965 |
Method and apparatus for operations in underground subsea oil and gas wells |
Feb. 3, 2004 |
| 6679328 |
Reverse section milling method and apparatus |
Jan. 20, 2004 |
| 6668930 |
Method for installing an expandable coiled tubing patch |
Dec. 30, 2003 |
| 6637508 |
Multi-shot tubing perforator |
Oct. 28, 2003 |
| 6629567 |
Method and apparatus for expanding and separating tubulars in a wellbore |
Oct. 7, 2003 |
| 6615933 |
Downhole tool with extendable members |
Sep. 9, 2003 |
| 6598678 |
Apparatus and methods for separating and joining tubulars in a wellbore |
Jul. 29, 2003 |
| 6581690 |
Window cutting tool for well casing |
Jun. 24, 2003 |
| 6578630 |
Apparatus and methods for expanding tubulars in a wellbore |
Jun. 17, 2003 |
| 6478088 |
Method for the formation of a plug in a petroleum well |
Nov. 12, 2002 |
| 6457532 |
Procedures and equipment for profiling and jointing of pipes |
Oct. 1, 2002 |
| 6439313 |
Downhole machining of well completion equipment |
Aug. 27, 2002 |
| 6357528 |
One-trip casing cutting & removal apparatus |
Mar. 19, 2002 |
| 6076601 |
Collapsible cutter apparatus and method for cutting tubular members |
Jun. 20, 2000 |
| 5951221 |
Apparatus for in-pipe use |
Sep. 14, 1999 |
| 5862870 |
Wellbore section milling |
Jan. 26, 1999 |
| 5791409 |
Hydro-mechanical multi-string cutter |
Aug. 11, 1998 |
| 5758723 |
Fluid pressure deactivated thru-tubing centralizer |
Jun. 2, 1998 |
| 5732770 |
Wellbore cutter |
Mar. 31, 1998 |
| 5642787 |
Section milling |
Jul. 1, 1997 |
| 5425424 |
Casing valve |
Jun. 20, 1995 |
| 5385205 |
Dual mode rotary cutting tool |
Jan. 31, 1995 |
| 5350015 |
Rotary downhole cutting tool |
Sep. 27, 1994 |
| 5318395 |
Method and apparatus for porting lateral connections in lined pipelines |
Jun. 7, 1994 |
| 5318115 |
Casing cutting and retrieving tool |
Jun. 7, 1994 |
| 5303776 |
Device for a down-hole assembly |
Apr. 19, 1994 |
| 5265675 |
Well conduit cutting and milling apparatus and method |
Nov. 30, 1993 |
| 5242017 |
Cutter blades for rotary tubing tools |
Sep. 7, 1993 |
| 5201817 |
Downhole cutting tool |
Apr. 13, 1993 |
| 5197540 |
Boring device for lining material in branched portions of lined conduit |
Mar. 30, 1993 |
| 5174374 |
Clean-out tool cutting blade |
Dec. 29, 1992 |
| 5101895 |
Well abandonment system |
Apr. 7, 1992 |
| 5090480 |
Underreamer with simultaneously expandable cutter blades and method |
Feb. 25, 1992 |
| 5060738 |
Three-blade underreamer |
Oct. 29, 1991 |
| 5036921 |
Underreamer with sequentially expandable cutter blades |
Aug. 6, 1991 |
| 5018580 |
Section milling tool |
May. 28, 1991 |
| 5014780 |
Long distance section mill for pipe in a borehole |
May. 14, 1991 |
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