| Patents for E21B 7 - Special methods or apparatus for drilling (22,064) |
|---|
| 03/18/2010 | WO2009126413A3 Sealing between alignable windows for lateral wellbore drilling |
| 03/18/2010 | WO2009123918A8 System and method for one-trip hole enlargement operations |
| 03/18/2010 | US20100065455 Apparatus and method for packaging and presenting rotary drill bits |
| 03/18/2010 | US20100065336 Top drive systems with main shaft deflecting sensing |
| 03/18/2010 | US20100065334 Turbine Driven Hammer that Oscillates at a Constant Frequency |
| 03/18/2010 | US20100065333 Drill bit shaft structure for excavation apparatus |
| 03/18/2010 | US20100065332 Method for Drilling with a Fixed Bladed Bit |
| 03/18/2010 | US20100065331 Auger boring machine |
| 03/18/2010 | US20100065330 Down hole multiple piston tools operated by pulse generation tools and methods for drilling |
| 03/18/2010 | US20100065329 Downhole telemetry apparatus and method |
| 03/18/2010 | DE112008000354T5 Anordnung zum Bohren und Vermessen, Verfahren zum Bohren und Vermessen und Vorrichtung zum Elektroimpulsbohren Assembly for drilling and logging, method of drilling and logging and apparatus for electro pulse drilling |
| 03/18/2010 | DE102006054435B4 Verfahren zum Einbringen einer Erdwärmesonde in das Erdreich und eine Vorrichtung Method for Installing a geothermal probe into the ground and apparatus |
| 03/18/2010 | CA2736148A1 Settable compositions comprising cement kiln dust and swellable particles |
| 03/18/2010 | CA2734387A1 Method of cracking rock material, and breaking device |
| 03/17/2010 | EP2162592A1 High pressure energizable tube connector for a well and method of energizing the connector |
| 03/17/2010 | EP1402145B2 Closed loop drilling assembly with electronics outside a non-rotating sleeve |
| 03/17/2010 | CN201424929Y Clamp used for drilling machine capable of horizontally and directionally drilling into laid pipes |
| 03/17/2010 | CN101672178A Touch-down self-stopping device of drill rod of rotary drilling rig |
| 03/17/2010 | CN101672160A Quick well formation device in soft soil layer |
| 03/17/2010 | CN101672159A Vertical well wall small-bore bare hole horizontal well drilling method for oil-water well |
| 03/16/2010 | US7677335 Tools and technology of radical and level drilling/well completion under ultra-short radius |
| 03/16/2010 | US7677334 Anti-surge/reverse thruster |
| 03/16/2010 | US7677330 Apparatus for in situ testing of a soil sample |
| 03/16/2010 | US7677316 Localized fracturing system and method |
| 03/16/2010 | CA2434155C Device for anchoring a drill string in a borehole |
| 03/11/2010 | WO2010027866A2 Pulsed electric rock drilling apparatus with non-rotating bit and directional control |
| 03/11/2010 | WO2010027526A1 External water delivery system for rock drills |
| 03/11/2010 | WO2010027380A1 Feed mechanism for drilling systems |
| 03/11/2010 | WO2010027274A1 An apparatus and method for modifying the sidewalls of a borehole |
| 03/11/2010 | WO2010026296A1 Rock drilling rig and method of moving drilling boom thereof |
| 03/11/2010 | US20100059281 External water delivery system for rock drills |
| 03/11/2010 | US20100059230 Coil tubing guide |
| 03/11/2010 | CA2771475A1 Pulsed electric rock drilling apparatus with non-rotating bit and directional control |
| 03/11/2010 | CA2736399A1 An apparatus and method for modifying the sidewalls of a borehole |
| 03/11/2010 | CA2735906A1 Feed mechanism for drilling systems |
| 03/10/2010 | CN201420514Y Watertight conduit pipe shoe |
| 03/10/2010 | CN201420509Y Pup joint device for feeding upper part of riser pipe under simulation spray method |
| 03/10/2010 | CN201420502Y All-hydraulic umbrella drill for construction of vertical shaft |
| 03/10/2010 | CN201420265Y Deviation prevention device for upper part of riser pipe in pile driving |
| 03/10/2010 | CN101666209A Variable volume screw-bushing pair for screw drilling tools |
| 03/10/2010 | CN101666208A Gear rack lifting drilling machine |
| 03/09/2010 | US7674753 drilling a well bore in a subterranean formation, using a treatment fluid containing a base fluid, a viscosifier, a fluid loss control additive, and a degradable bridging agent such as, an aliphatic polyester |
| 03/09/2010 | US7673708 Ball-activated mechanism for controlling the operation of a downhole tool |
| 03/09/2010 | US7673706 Down-the-hole hammer with pilot and method of enlarging a hole |
| 03/09/2010 | CA2382596C Directional well drilling |
| 03/04/2010 | WO2009146190A9 Apparatus and method for drilling a borehole |
| 03/04/2010 | US20100051349 Force balanced asymmetric drilling reamer |
| 03/03/2010 | CN201416438Y Angle gauge |
| 03/03/2010 | CN201416391Y Down-hole supercharger |
| 03/03/2010 | CN101660391A Radial horizontal drilling device |
| 03/02/2010 | US7669672 Apparatus, system and method for installing boreholes from a main wellbore |
| 03/02/2010 | US7669670 Procedure for installing horizontal drains for uptake of sea water |
| 03/02/2010 | US7669664 Apparatus and method for opening and closing lateral boreholes |
| 03/02/2010 | US7669663 Resettable actuator for downhole tool |
| 03/02/2010 | CA2449302C Hydrothermal drilling method and system |
| 03/02/2010 | CA2356130C Method and apparatus for drilling and lining a wellbore |
| 02/25/2010 | WO2009138802A9 A drilling rig and a method for moving a drilling rig |
| 02/25/2010 | WO2009135119A3 Modular hybrid drill bit |
| 02/25/2010 | US20100044110 Ultra-low friction coatings for drill stem assemblies |
| 02/25/2010 | US20100044108 Apparatus and method for detection of position of a component in an earth formation |
| 02/25/2010 | US20100044107 Designing drilling pattern for excavating rock cavern |
| 02/25/2010 | US20100044106 Method and apparatus for delivering high power laser energy over long distances |
| 02/25/2010 | US20100044105 Methods and apparatus for delivering high power laser energy to a surface |
| 02/25/2010 | US20100044104 Apparatus for Advancing a Wellbore Using High Power Laser Energy |
| 02/25/2010 | US20100044103 Method and system for advancement of a borehole using a high power laser |
| 02/25/2010 | US20100044102 Methods and apparatus for removal and control of material in laser drilling of a borehole |
| 02/25/2010 | US20100044101 Methods, systems, and apparatus for production of hydrocarbons from a subterranean formation |
| 02/24/2010 | EP2157277A1 Well drilling apparatus |
| 02/24/2010 | EP2156907A1 Equipment for treating pollutants in a soil |
| 02/24/2010 | CN201412067Y Silt removing pipeline suitable for gas well drilling |
| 02/24/2010 | CN201412066Y Door frame type drilling machine |
| 02/24/2010 | CN201412065Y Rotary drill rig main mechanism with detachable flange |
| 02/24/2010 | CN201412064Y Driller wire rope interlocking device |
| 02/24/2010 | CN201412063Y Sprocket type extension propulsion girder |
| 02/24/2010 | CN201412062Y Reversely folding drill boom |
| 02/24/2010 | CN201411686Y Long auger-drill head |
| 02/24/2010 | CN101655000A Full-hydraulic top-drive truck-mounted drilling rig |
| 02/23/2010 | US7665545 Pressure controlled downhole operations |
| 02/23/2010 | US7665543 Permanent downhole deployment of optical sensors |
| 02/23/2010 | US7665532 Pipeline |
| 02/23/2010 | CA2483957C Method of drilling and completing multiple wellbores inside a single caisson |
| 02/18/2010 | WO2010019107A1 Apparatus for boring holes in rock mass |
| 02/18/2010 | WO2010019106A1 Device for boring holes in rock mass |
| 02/18/2010 | WO2010017830A1 Drilling rig for deep well drilling |
| 02/18/2010 | WO2009134842A3 Steerable bit |
| 02/18/2010 | WO2008151128A9 Dual density mud return system |
| 02/18/2010 | US20100038142 Apparatus and method for high temperature drilling operations |
| 02/18/2010 | US20100038141 Compliantly coupled gauge pad system with movable gauge pads |
| 02/18/2010 | US20100038140 Motor bit system |
| 02/18/2010 | US20100038139 Compliantly coupled cutting system |
| 02/18/2010 | US20100038088 Multi-function multi-hole drilling rig |
| 02/18/2010 | DE102008037339A1 Piling and drilling device for carrier device, has guide pole and gibbet or roller body arranged at guide pole or at component of device, where guide pole and component have guide in upper end area in vertical position |
| 02/18/2010 | DE102008037338A1 Ram- and/or bore device for use in supporting device, has lead implemented as sliding lead and displaceably guided using lead guide, and adjusting device arranged at lead for adjusting lead along lead guide |
| 02/18/2010 | CA2852132A1 Multiphase drilling systems and methods |
| 02/18/2010 | CA2738196A1 Drilling rig for deep well drilling |
| 02/17/2010 | EP2153011A1 Method and system for particle jet boring |
| 02/17/2010 | EP2153010A1 Constant-mode auto-drill with pressure derivative control |
| 02/17/2010 | EP2153009A1 Method and apparatus for establishing a manual governor control setting in an electro-hydraulic system |
| 02/17/2010 | CN201406987Y Auto-rotating horizontal punching device driven by high-pressure fluid under oil field well |
| 02/17/2010 | CN201406986Y Durable drilling rig assembly |