| Patents for E21B 10 - Drill bits (19,464) |
|---|
| 06/23/2011 | WO2011075479A1 Method and apparatus for testing superhard material performance |
| 06/23/2011 | WO2011075094A1 Device for isolating the roller-bearing carrier of a drill bit from the surrounding medium |
| 06/23/2011 | WO2011041173A3 Production of reduced catalyst pdc via gradient driven reactivity |
| 06/23/2011 | WO2011038383A3 Earth-boring tools, methods of making earth-boring tools and methods of drilling with earth-boring tools |
| 06/23/2011 | WO2011038263A3 Cutting element and method of forming thereof |
| 06/23/2011 | WO2011017394A4 Cutting element placement on a fixed cutter drill bit to reduce diamond table fracture |
| 06/23/2011 | WO2011011771A3 Supported pcd and manufacturing method using binderless wc-substrate |
| 06/23/2011 | WO2011008680A4 Stabilizer subs for use with expandable reamer apparatus, expandable reamer apparatus including stabilizer subs and related methods |
| 06/23/2011 | WO2011001269A3 System and method for drilling using drilling fluids |
| 06/23/2011 | US20110147089 Drill bit with an adjustable steering device |
| 06/22/2011 | EP2334993A1 System and method for geothermal conduit loop in-ground installation and soil penetrating head therefor |
| 06/22/2011 | EP1977073B1 Steerable drilling system |
| 06/22/2011 | CN201874473U Reducing drill bit |
| 06/22/2011 | CN201874472U PDC (Polycrystalline Diamond Compact) bit with double rows of teeth |
| 06/22/2011 | CN201874471U High wear-resisting diameter-keeping tooth-arranging PDC (Polycrystalline Diamond Compact) drill bit |
| 06/22/2011 | CN201874470U Novel high bonding strength diamond engineering thin wall drill bit |
| 06/22/2011 | CN201874469U Large-diameter composite-structure drill bit applicable to drilling argillaceous-cementing floated-rock stratum |
| 06/22/2011 | CN201874468U Highly weathered rock-drilling drill bit of pile driver |
| 06/22/2011 | CN201874467U Soil-layer reaming drill bit |
| 06/22/2011 | CN201874466U Novel anti-balling reamer blade while drilling |
| 06/22/2011 | CN201874465U Reamer bit for exploration |
| 06/22/2011 | CN201874464U Reamer bit for construction |
| 06/21/2011 | US7963348 Expandable earth boring apparatus using impregnated and matrix materials for enlarging a borehole |
| 06/21/2011 | CA2617699C Downhole tool |
| 06/16/2011 | WO2011071985A2 Polycrystalline diamond cutting element structure |
| 06/16/2011 | WO2011069637A1 Polycrystalline diamond structure |
| 06/16/2011 | WO2011035266A3 Apparatus for drilling faster, deeper and wider well bore |
| 06/16/2011 | WO2011031942A3 Drilling system for making lwd measurements ahead of the bit |
| 06/16/2011 | WO2011031912A3 Polycrystalline compacts having material disposed in interstitial spaces therein, cutting elements and earth-boring tools including such compacts, and methods of forming such compacts |
| 06/16/2011 | WO2011021048A3 Expandable downhole tool apparatus |
| 06/16/2011 | US20110139514 Thermally Stable Diamond Bonded Materials and Compacts |
| 06/16/2011 | US20110139511 Method for introducing a vertical shaft and shaft driving machine |
| 06/16/2011 | CA2782148A1 Polycrystalline diamond structure |
| 06/15/2011 | EP2097610B1 Expandable reamers for earth-boring applications and methods of using the same |
| 06/15/2011 | CN201865584U Pressure-relief acceleration drill bit structure |
| 06/15/2011 | CN201865583U High-efficiency three-scraper drill bit |
| 06/15/2011 | CN201865582U Steel diamond drill bit |
| 06/15/2011 | CN201865581U Novel PDC (polycrystalline diamond compact) drill bit |
| 06/15/2011 | CN201865580U Vane type conical head small-tooth drill bit |
| 06/15/2011 | CN201865579U Cylinder drill bit |
| 06/15/2011 | CN102099541A Methods of forming polycrystalline diamond cutters |
| 06/15/2011 | CN102094581A Hammer |
| 06/15/2011 | CN102094578A Drilling mechanism |
| 06/15/2011 | CN101356031B Earth-boring rotary drill bits and methods of manufacturing earth-boring rotary drill bits having particle-matrix composite bit bodies |
| 06/15/2011 | CN101343982B Double-layer barrel type drilling tool |
| 06/14/2011 | USRE42445 Cutting structure for earth-boring bit to reduce tracking |
| 06/14/2011 | US7958954 Drill bits with enclosed slots |
| 06/14/2011 | US7958953 Drilling tool |
| 06/14/2011 | US7958951 Method for assembling an underreaming tool |
| 06/14/2011 | US7958950 Reamer and methods for directional drilling |
| 06/14/2011 | CA2505710C Shaped cutter surface |
| 06/09/2011 | WO2011035051A3 External, divorced pdc bearing assemblies for hybrid drill bits |
| 06/09/2011 | WO2011031636A3 Earth boring bit with dlc coated bearing and seal |
| 06/09/2011 | US20110132668 Polycrystalline diamond cutting element structure |
| 06/09/2011 | US20110132667 Polycrystalline diamond structure |
| 06/09/2011 | US20110132666 Polycrystalline tables having polycrystalline microstructures and cutting elements including polycrystalline tables |
| 06/08/2011 | EP2329096A2 Cutter pocket inserts |
| 06/08/2011 | EP2024599B1 Modular fixed cutter earth-boring bits and modular fixed cutter earth-boring bit bodies |
| 06/08/2011 | EP1385662B1 Abrasive tool inserts and their production |
| 06/08/2011 | CN201857901U Telescopic drill rod and cast-in-situ cylinder pile rotary drilling rig utilizing same |
| 06/08/2011 | CN201857898U Double-ring stepped tooth-shaped compact bit |
| 06/08/2011 | CN201857897U Shaft drill bit guider with planetary roller structure |
| 06/08/2011 | CN201857896U High-pressure resistance and impact resistance roller cone bit of elastic slider bearing |
| 06/08/2011 | CN201857895U Single large-diameter pneumatic DTH (down the hole) hammer |
| 06/08/2011 | CN1928262B Trench wall cutting structure |
| 06/08/2011 | CN102086757A Composite cutting drill |
| 06/08/2011 | CN102086756A Hole-dilating drill for pressure reduction and speed acceleration |
| 06/08/2011 | CN102086755A Continuous oil pipe-based guide high-pressure jet drilling system |
| 06/08/2011 | CN101086198B Method of creating a borehole in an earth formation |
| 06/07/2011 | US7954571 Cutting structures for casing component drillout and earth-boring drill bits including same |
| 06/07/2011 | US7954570 Cutting elements configured for casing component drillout and earth boring drill bits including same |
| 06/07/2011 | US7954569 Earth-boring bits |
| 06/07/2011 | US7954568 Drill bit nozzle assembly and insert assembly including a drill bit nozzle assembly |
| 06/07/2011 | US7954564 Placement of cutting elements on secondary cutting structures of drilling tool assemblies |
| 06/07/2011 | CA2573891C Drilling and hole enlargement device |
| 06/03/2011 | WO2011028470A3 Rock drill bit |
| 06/03/2011 | WO2011005774A4 Backup cutting elements on non-concentric reaming tools |
| 06/02/2011 | US20110127089 Enhanced cutter profile for fixed cutter drill bits |
| 06/02/2011 | US20110127088 Polycrystalline ultra-hard compact constructions |
| 06/02/2011 | US20110127087 Pdc drill bit with flute design for better bit cleaning |
| 06/02/2011 | US20110127044 Remotely controlled apparatus for downhole applications and methods of operation |
| 06/01/2011 | EP2327857A1 Drilling tool and method for widening and simultaneously monitoring the diameter of wells and the properties of the fluid |
| 06/01/2011 | EP2327856A1 Modular fixed cutter earth-boring bits, modular fixed cutter earth-boring bit bodies, and related methods |
| 06/01/2011 | EP2326788A2 Drilling out casing bits with other casing bits |
| 06/01/2011 | EP2326787A2 Earth-boring bits and other parts including cemented carbide |
| 06/01/2011 | CN201851095U Self-rotation jet drilling device |
| 06/01/2011 | CN201851019U Anti-run drill |
| 06/01/2011 | CN201851018U Jaw flange drill barrel of drilling machine |
| 06/01/2011 | CN201851017U Down-the-hole concentric simultaneous casing hole expanding drilling tool |
| 06/01/2011 | CN201851016U Deformation gasket |
| 06/01/2011 | CN201851015U Composite bearing-based mine three-cone drill head |
| 06/01/2011 | CN201851014U Mine roller bit with spray nozzle |
| 06/01/2011 | CN201851009U Simultaneous casing drilling tool connecting device |
| 06/01/2011 | CN201851008U Down-the-hole reaming drill |
| 06/01/2011 | CN201851006U Device for vertically boring holes on concrete with high precision |
| 06/01/2011 | CN201851003U Drilling bit |
| 06/01/2011 | CN201851001U Drilling machine for constructing piles with high bearing capacity |
| 06/01/2011 | CN201850548U High-pressure rotary spraying pile driver |
| 06/01/2011 | CN1816679B Downhole tool having radially extendable members |
| 06/01/2011 | CN102084082A Polycrystalline diamond compact drill bit blade design and nozzle placement |