| |
 |
|
Class Information
Number: 166/298
Name: Wells > Processes > Perforating, weakening, bending or separating pipe at an unprepared point > Perforating, weakening or separating by mechanical means or abrasive fluid
Description: A process in which the wall portion of the pipe is perforated, weakened or separated by (1) a mechanical cutting, punching or abrading means or (2) a jet of fluid containing an abrasive.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7621321 |
Method and apparatus for removing casing |
Nov. 24, 2009 |
| 7621331 |
Fluid communication nipple having an interior passageway with an interior wall section that may be opened to establish fluid communication with the passageway |
Nov. 24, 2009 |
| 7621332 |
Apparatus and method for perforating and fracturing a subterranean formation |
Nov. 24, 2009 |
| 7617871 |
Hydrajet bottomhole completion tool and process |
Nov. 17, 2009 |
| 7617872 |
System and method for perforated well sand control |
Nov. 17, 2009 |
| 7600562 |
Non-explosive tubing perforator and method of perforating |
Oct. 13, 2009 |
| 7581591 |
Production casing ripper |
Sep. 1, 2009 |
| 7574807 |
Internal pipe cutter |
Aug. 18, 2009 |
| 7575056 |
Tubular cutting device |
Aug. 18, 2009 |
| 7571766 |
Methods of fracturing a subterranean formation using a jetting tool and a viscoelastic surfactant fluid to minimize formation damage |
Aug. 11, 2009 |
| 7571769 |
Casing window milling assembly |
Aug. 11, 2009 |
| 7568525 |
Method and system for increasing well rate using well-capital-string perforation |
Aug. 4, 2009 |
| 7562700 |
Wireline supported tubular mill |
Jul. 21, 2009 |
| 7559371 |
Method and apparatus for centralizing through tubing milling assemblies |
Jul. 14, 2009 |
| 7546876 |
Method and apparatus for jet-fluid abrasive cutting |
Jun. 16, 2009 |
| 7545635 |
Covering apparatus for expansion slot |
Jun. 9, 2009 |
| 7540327 |
Abrasive jet cutting system and method for cutting wellbore tubulars |
Jun. 2, 2009 |
| 7537055 |
Method and apparatus for forming a window in a casing using a biasing arm |
May. 26, 2009 |
| 7527100 |
Method and apparatus for cutting and removal of pipe from wells |
May. 5, 2009 |
| 7523785 |
System for injecting a substance into an annular space |
Apr. 28, 2009 |
| 7487835 |
Method of developing a re-entry into a parent wellbore from a lateral wellbore, and bottom hole assembly for milling |
Feb. 10, 2009 |
| 7469747 |
Method and apparatus for preventing spillage or loss of drill fluids |
Dec. 30, 2008 |
| 7467661 |
Downhole perforator assembly and method for use of same |
Dec. 23, 2008 |
| 7455110 |
In-situ creation of drilling deflector |
Nov. 25, 2008 |
| 7451818 |
Method of reducing sand production from a wellbore |
Nov. 18, 2008 |
| 7422060 |
Methods and apparatus for completing a well |
Sep. 9, 2008 |
| 7409992 |
Perforating gun |
Aug. 12, 2008 |
| 7387163 |
In-situ landfill gas well perforation method and apparatus |
Jun. 17, 2008 |
| 7380603 |
Well abandonment apparatus |
Jun. 3, 2008 |
| 7373987 |
Method and apparatus for preventing spillage or loss of drill fluids |
May. 20, 2008 |
| 7370703 |
Downhole hydraulic pipe cutter |
May. 13, 2008 |
| 7370702 |
Single mill casing window cutting tool and method |
May. 13, 2008 |
| 7367396 |
Blowout preventers and methods of use |
May. 6, 2008 |
| 7357182 |
Method and apparatus for completing lateral channels from an existing oil or gas well |
Apr. 15, 2008 |
| 7325612 |
One-trip cut-to-release apparatus and method |
Feb. 5, 2008 |
| 7325631 |
Mill and pump-off sub |
Feb. 5, 2008 |
| 7308940 |
Flexible wellbore broach |
Dec. 18, 2007 |
| 7296625 |
Methods of forming packs in a plurality of perforations in a casing of a wellbore |
Nov. 20, 2007 |
| 7278486 |
Fracturing method providing simultaneous flow back |
Oct. 9, 2007 |
| 7278484 |
Techniques and systems associated with perforation and the installation of downhole tools |
Oct. 9, 2007 |
| 7273099 |
Methods of stimulating a subterranean formation comprising multiple production intervals |
Sep. 25, 2007 |
| 7255172 |
Hydrodynamic, down-hole anchor |
Aug. 14, 2007 |
| 7231979 |
Short radius whipstock system |
Jun. 19, 2007 |
| 7225873 |
Coiled tubing cutter |
Jun. 5, 2007 |
| 7225872 |
Perforating tubulars |
Jun. 5, 2007 |
| 7225869 |
Methods of isolating hydrajet stimulated zones |
Jun. 5, 2007 |
| 7225867 |
Liner top test packer |
Jun. 5, 2007 |
| 7213648 |
Pressure-actuated perforation with continuous removal of debris |
May. 8, 2007 |
| 7195066 |
Engineered solution for controlled buoyancy perforating |
Mar. 27, 2007 |
| 7195067 |
Method and apparatus for well perforating |
Mar. 27, 2007 |
|
|
|
