| Patents for E21B 7 - Special methods or apparatus for drilling (22,064) |
|---|
| 06/19/1984 | US4455107 Pipe and cable installers |
| 06/13/1984 | EP0110182A2 Down-hole drilling apparatus |
| 06/12/1984 | US4453603 Apparatus and method for selected path drilling |
| 06/12/1984 | CA1169047A1 Method and apparatus for reducing the differential pressure sticking tendency of a drill string |
| 06/05/1984 | US4452075 Push drill guidance indication apparatus |
| 05/30/1984 | EP0109907A2 Device for maintaining a boring machine in a vertical position |
| 05/30/1984 | EP0109699A2 Down-hole motor and method for directional drilling of boreholes |
| 05/29/1984 | US4451177 Guideline system for positioning subsea equipment |
| 05/23/1984 | EP0108780A1 New phenyloxoalkyl piperidines, methods for obtaining them and pharmaceutical compositions containing them |
| 05/22/1984 | US4449953 Articulated coupling |
| 05/22/1984 | US4449854 Motion compensator system |
| 05/22/1984 | US4449595 Method and apparatus for drilling a curved bore |
| 05/22/1984 | CA1167872A1 Bore hole mining |
| 05/22/1984 | CA1167832A1 Reduction of the frictional coefficient in a borehole by the use of vibration |
| 05/16/1984 | EP0108666A1 Device for eroding a solid surface by a cavitating flow |
| 05/15/1984 | US4448567 Method for installing lines, pipes or cables underground |
| 05/15/1984 | US4448271 Earth boring device |
| 05/15/1984 | US4448266 Deep water riser system for offshore drilling |
| 05/15/1984 | US4448263 Drilling apparatus |
| 05/15/1984 | CA1167434A1 Method and means for adjusting the feed support of a rock drilling unit to a chosen distance from a drilling location |
| 05/08/1984 | US4446932 Hydrostatic shear pin |
| 05/08/1984 | CA1167023A1 Device for producing boreholes in coal or the like |
| 05/08/1984 | CA1166936A1 Hydraulic ram |
| 05/08/1984 | CA1166857A1 Apparatus and method for coring subterranean holes |
| 05/01/1984 | US4445663 Rotating device for drill mast |
| 05/01/1984 | US4445574 Continuous borehole formed horizontally through a hydrocarbon producing formation |
| 05/01/1984 | CA1166628A1 Rotary drilling drill string stabilizer-cuttings grinder |
| 04/26/1984 | WO1984001528A1 Device for the erosion of a solid surface by a cavitation flow |
| 04/24/1984 | US4444278 Rotatable drilling head |
| 04/24/1984 | US4444276 Underground radial pipe network |
| 04/18/1984 | EP0105860A2 Rotation device, particularly for rotative tools |
| 04/17/1984 | US4442908 Tool for drilling curved sections of well holes |
| 04/17/1984 | US4442896 Treatment of underground beds |
| 04/17/1984 | CA1165756A1 Arrangement for full hole drilling |
| 04/10/1984 | US4441564 Portable variable angle drilling machine |
| 04/04/1984 | EP0104854A2 Method for the magnetization of well casing |
| 04/04/1984 | EP0104218A1 Robot |
| 04/03/1984 | US4440242 Device for producing boreholes in coal or the like |
| 04/03/1984 | US4440241 Method and apparatus for drilling a well bore |
| 04/03/1984 | US4440240 Method of making holes in the soil and apparatus for performing this method |
| 04/03/1984 | CA1164853A1 Continuous borehole formed horizontally through a hydrocarbon producing formation |
| 04/03/1984 | CA1164852A1 Downhole stabilizing tool with actuator assembly and method for using same |
| 04/03/1984 | CA1164796A1 Marine conductor bending tool and method |
| 03/29/1984 | WO1984001188A1 Hydrojet drilling means and method |
| 03/28/1984 | EP0103913A2 Down-hole motor and method for directional drilling of boreholes |
| 03/28/1984 | EP0103886A1 Pipe laying apparatus |
| 03/27/1984 | US4438821 Mining machinery |
| 03/27/1984 | US4438820 Grade monitoring and steering apparatus |
| 03/21/1984 | EP0103283A2 An apparatus for inserting a tool into the ground and continuously rotating it |
| 03/20/1984 | US4437649 Exothermic cutting electrode |
| 03/20/1984 | US4437525 Hand held water drilling apparatus |
| 03/20/1984 | CA1163985A1 Vibratory drill apparatus |
| 03/13/1984 | US4436455 Universally positionable low profile mine drilling machine and method |
| 03/13/1984 | US4436167 Method of excavating a pile hole and an apparatus therefor |
| 03/13/1984 | US4436165 Drain hole drilling |
| 03/13/1984 | CA1163449A1 Cable reaming apparatus and method |
| 03/06/1984 | US4435108 Method of installing sub-sea templates |
| 03/06/1984 | CA1163185A1 Underground radial pipe network and a method of installing same |
| 02/29/1984 | EP0101649A2 Subsea wellhead assembly |
| 02/28/1984 | US4433939 Marine conductor bending tool and method |
| 02/28/1984 | US4433738 Method and apparatus for use when changing the direction of a well bore |
| 02/28/1984 | US4433737 Water jet sediment probe |
| 02/28/1984 | CA1162909A1 Earth piercing tool |
| 02/21/1984 | US4432667 Insulation of tunnel linings |
| 02/21/1984 | US4432423 Apparatus for extended straight line drilling from a curved borehole |
| 02/21/1984 | US4432422 Borehole guide and method of boring interpenetrating holes |
| 02/15/1984 | EP0100748A2 Sinking device for small casings, the interior of which is inaccessible |
| 02/15/1984 | EP0100702A1 Igniting device for oxygen cutting lances |
| 02/15/1984 | EP0100437A2 A single-pass notching and drilling tool and method of drilling a blast hole therewith |
| 02/14/1984 | US4431341 Construction of a concrete lined chamber |
| 02/14/1984 | US4431069 Method and apparatus for forming and using a bore hole |
| 02/14/1984 | US4431068 Extended reach drilling method |
| 02/14/1984 | US4431059 Vertically moored platform anchoring |
| 02/08/1984 | EP0100230A2 Earth Boring Apparatus |
| 02/07/1984 | US4429754 Method and apparatus for clearing earth drill cuttings from around drill holes |
| 02/07/1984 | US4429741 Self powered downhole tool anchor |
| 02/07/1984 | CA1161832A1 Earth boring device |
| 01/31/1984 | US4428441 Method of drilling a deviated wellbore |
| 01/31/1984 | US4428125 Inclination indicating apparatus |
| 01/24/1984 | US4427062 Positioning of deflection wedges |
| 01/10/1984 | CA1160211A1 Method and arrangement for improving cuttings removal and reducing differential pressure sticking of drill strings in wellbores |
| 01/10/1984 | CA1160152A1 Multiline riser support and connection system and method for subsea wells |
| 01/03/1984 | US4423855 Thermochemical drilling and separating process for Si02 containing minerals and device for carrying out the process |
| 12/28/1983 | EP0097136A2 Rock drilling apparatus |
| 12/27/1983 | US4422800 Method of installing an underground conduit |
| 12/27/1983 | CA1159361A1 Method of placing pipe into deviated boreholes |
| 12/27/1983 | CA1159357A1 Cutting nozzle with on-off capability |
| 12/21/1983 | EP0096622A1 Method and apparatus for earth drilling |
| 12/20/1983 | US4421183 Flexible drive apparatus for boring lateral bore holes from well |
| 12/20/1983 | US4420916 Method and apparatus for aligning and securing auxiliary equipment with respect to a well drilling platform |
| 12/13/1983 | US4420049 Directional drilling method and apparatus |
| 12/06/1983 | CA1158229A1 Drill rig |
| 11/30/1983 | EP0095134A2 Method and apparatus for drilling |
| 11/29/1983 | US4417628 Earth boring apparatus |
| 11/24/1983 | WO1983004022A1 New phenyloxoalkyl piperidines, methods for obtaining them and pharmaceutical compositions containing them |
| 11/23/1983 | EP0094694A2 Mains insertion |
| 11/22/1983 | US4416339 Bit guidance device and method |
| 11/15/1983 | US4415205 Triple branch completion with separate drilling and completion templates |
| 11/15/1983 | US4415047 Downhole case driving apparatus for impact drills |
| 11/15/1983 | US4415045 Offshore drilling of large diameter holes in rock formations |