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Class Information
Number: 175/77
Name: Boring or penetrating the earth > Side wall tool fed laterally without rotation from inaccessible hole
Description: Apparatus comprising means for cutting the earth which cuts without requiring rotation of the cutting means about an axis coincident with its direction of advance, said cutting means being fed from an inaccessible hole.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7584794 |
Mechanical and fluid jet horizontal drilling method and apparatus |
Sep. 8, 2009 |
| 7373994 |
Self cleaning coring bit |
May. 20, 2008 |
| 7370710 |
Erectable arm assembly for use in boreholes |
May. 13, 2008 |
| 7370711 |
Rolling cone drill bit having non-circumferentially arranged cutter elements |
May. 13, 2008 |
| 6889781 |
Horizontal directional drilling in wells |
May. 10, 2005 |
| 6571867 |
Apparatus for increasing the effective diameter of a wellbore |
Jun. 3, 2003 |
| 6550553 |
Boring apparatus |
Apr. 22, 2003 |
| 6378629 |
Boring apparatus |
Apr. 30, 2002 |
| 6276453 |
Method and apparatus for forcing an object through the sidewall of a borehole |
Aug. 21, 2001 |
| 5799729 |
Device for working the insides of pipes, conduits or the like |
Sep. 1, 1998 |
| 5622231 |
Cutting head |
Apr. 22, 1997 |
| 5615740 |
Internal pressure sleeve for use with easily drillable exit ports |
Apr. 1, 1997 |
| 5439066 |
Method and system for downhole redirection of a borehole |
Aug. 8, 1995 |
| 5425429 |
Method and apparatus for forming lateral boreholes |
Jun. 20, 1995 |
| 5297638 |
Drivepipe guide and installation method for wells |
Mar. 29, 1994 |
| 5209309 |
Triangular core cutting tool |
May. 11, 1993 |
| 5197783 |
Extendable/erectable arm assembly and method of borehole mining |
Mar. 30, 1993 |
| 4964759 |
Apparatus for selectively rotating a tool relative to the wall of a conduit |
Oct. 23, 1990 |
| 4819721 |
Remotely controlled articulatable hydraulic cutter apparatus |
Apr. 11, 1989 |
| 4640353 |
Electrode well and method of completion |
Feb. 3, 1987 |
| 4630676 |
Remotely controlled hydraulic cutter apparatus |
Dec. 23, 1986 |
| 4527639 |
Hydraulic piston-effect method and apparatus for forming a bore hole |
Jul. 9, 1985 |
| 4497381 |
Earth drilling apparatus and method |
Feb. 5, 1985 |
| 4461360 |
Bit extension guide for sidewall corer |
Jul. 24, 1984 |
| 4449593 |
Guide for sidewall coring bit assembly |
May. 22, 1984 |
| 4416339 |
Bit guidance device and method |
Nov. 22, 1983 |
| 4365676 |
Method and apparatus for drilling laterally from a well bore |
Dec. 28, 1982 |
| 4197908 |
Apparatus for porting a side wall of a conduit from interiorly thereof |
Apr. 15, 1980 |
| 4168752 |
Flexible conduit for effecting lateral channelling in coal or oil shale beds |
Sep. 25, 1979 |
| 4066137 |
Flame jet tool for drilling cross-holes |
Jan. 3, 1978 |
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