| Patents for E21B 10 - Drill bits (19,464) |
|---|
| 07/09/2013 | CA2624106C Methods and systems for designing and/or selecting drilling equipment with desired drill bit steerability |
| 07/04/2013 | WO2013101925A2 Downhole cutting tool |
| 07/04/2013 | WO2013101864A1 Retention of multiple rolling cutters |
| 07/04/2013 | WO2013101860A1 Split sleeves for rolling cutters |
| 07/04/2013 | WO2013101687A1 Solid pcd cutter |
| 07/04/2013 | WO2013101686A1 Diamond enhanced insert with fine and ultrafine microstructure of pcd working surface resisting crack formation |
| 07/04/2013 | WO2013101604A1 Thermally stable materials, cutter elements with such thermally stable materials, and methods of forming the same |
| 07/04/2013 | WO2013101587A1 Magnetic ranging tool and method |
| 07/04/2013 | WO2013101578A1 Spacing of rolling cutters on a fixed cutter bit |
| 07/04/2013 | WO2013101368A1 Milling tool |
| 07/04/2013 | WO2013101264A2 Tungsten carbide bit with hardfaced nose area |
| 07/04/2013 | WO2013098216A1 Method of processing a body of polycrystalline diamond material |
| 07/04/2013 | WO2013098085A1 Method of making polycrystalline diamond material |
| 07/04/2013 | US20130168159 Solid pcd cutter |
| 07/04/2013 | US20130168158 Method for braze joining of carbonate pcd |
| 07/04/2013 | US20130168157 Thermally stable polycrystalline ultrahard material reinforced with fibrous materials |
| 07/04/2013 | US20130168156 Diamond enhanced insert with fine and ultrafine microstructure of pcd working surface resisting crack formation |
| 07/04/2013 | US20130168155 Diamond enhanced drilling insert with high impact resistance |
| 07/04/2013 | US20130168154 Sonde housing and bit body arrangement for horizontal directional drilling |
| 07/03/2013 | EP2610426A2 Diamond Enhanced Drilling Insert with High Impact Resistance |
| 07/03/2013 | EP2609277A2 Pcd cutter with fins |
| 07/03/2013 | EP2609276A2 Functionally leached pcd cutter |
| 07/03/2013 | EP2609275A1 Remotely-controlled downhole device and method for using same |
| 07/03/2013 | CN203035124U Spiral drilling rig causing no scraps discharging |
| 07/03/2013 | CN203035095U Novel nozzle based on PDC (polycrystalline diamond compact) bit |
| 07/03/2013 | CN203035094U Water jet flow kerf induced spraying device in drill hole |
| 07/03/2013 | CN203035093U Rake-tooth type mixing pile machine drill |
| 07/03/2013 | CN203035092U Drill tool of rock drill |
| 07/03/2013 | CN203035091U Drill bit of pile machine |
| 07/03/2013 | CN203035090U TC (tungsten carbide) bearing |
| 07/03/2013 | CN203035089U Split type special drill for drawing out methane |
| 07/03/2013 | CN203035085U Punching and rod inserting machine |
| 07/03/2013 | CN203035079U Clay small-duct drilling machine |
| 07/03/2013 | CN103189590A Underground reamer |
| 07/03/2013 | CN103184834A Diamond enhanced drilling insert with high impact resistance |
| 07/03/2013 | CN103184833A Diamond bit with large saw-teeth |
| 07/03/2013 | CN102199991B Drilling-fixing integrated device and method for yolk coal terrane |
| 07/03/2013 | CN101529043B Down-the-hole hammer drill |
| 07/02/2013 | CA2527385C Directional drill head |
| 07/02/2013 | CA2488085C Randomly-oriented composite constructions |
| 06/30/2013 | CA2799759A1 Diamond enhanced drilling insert with high impact resistance |
| 06/27/2013 | WO2013096378A2 System and method of fracturing while drilling |
| 06/27/2013 | WO2013096365A2 A drill bit for use in boring a wellbore and subterranean fracturing |
| 06/27/2013 | WO2013096296A1 Fixed cutter drill bit heel and back-ream cutter protections for abrasive applications |
| 06/27/2013 | WO2013095399A1 Methods of controllably milling a window in a cased wellbore using a pressure differential to cause movement of a mill |
| 06/27/2013 | WO2013066819A3 Borehole drill bit cutter indexing |
| 06/27/2013 | WO2013040381A3 Methods of attaching a polycrystalline diamond compact to a substrate and cutting elements formed using such methods |
| 06/27/2013 | WO2012056196A3 Polycrystalline diamond cutting element |
| 06/27/2013 | US20130161102 Drill Bit For Use In Boring A Wellbore And Subterranean Fracturing |
| 06/27/2013 | US20130161101 System and Method of Fracturing While Drilling |
| 06/27/2013 | US20130161099 Downhole Cutting Tool |
| 06/27/2013 | US20130160611 Earth-boring tools and components thereof including methods of attaching at least one of a shank and a nozzle to a body of an earth-boring tool and tools and components formed by such methods |
| 06/27/2013 | CA2848720A1 Methods of controllably milling a window in a cased wellbore using a pressure differential to cause movement of a mill |
| 06/26/2013 | EP2606195A2 Rotational drill bits and drilling apparatuses including the same |
| 06/26/2013 | CN203022637U High-pressure water jet plug-drilling drill for lateral drilling |
| 06/26/2013 | CN203022636U Diamond compact with straight flute tooth jointing face |
| 06/26/2013 | CN203022635U Multi-curvature curved surface type diamond hard alloy clad sheet |
| 06/26/2013 | CN203022634U Diamond compact with butterfly-shaped curved jointing face |
| 06/26/2013 | CN203022633U Diamond compact with circular tooth jointing face |
| 06/26/2013 | CN203022632U Six-cone reamer |
| 06/26/2013 | CN203022631U Reamer |
| 06/26/2013 | CN203022630U Backward eccentric bit |
| 06/26/2013 | CN203022629U Diamond compact convenient to weld and position |
| 06/26/2013 | CN103174387A Construction method of soil squeezing and dumping drill rod, twist drill, pile machine, and soil squeezing and dumping pile |
| 06/26/2013 | CN103174384A Pressurized dry drilling coring method |
| 06/25/2013 | US8470060 Manufacture of thermally stable cutting elements |
| 06/25/2013 | US8469121 Polycrystalline diamond abrasive elements |
| 06/25/2013 | US8469120 Methods and apparatus for controlling cutting ribbons during a drilling operation |
| 06/25/2013 | US8469119 Method and system for accessing subterranean deposits from the surface and tools therefor |
| 06/25/2013 | US8469117 Drill bits and methods of drilling curved boreholes |
| 06/25/2013 | US8469097 Subterranean tubular cutter with depth of cut feature |
| 06/25/2013 | CA2564082C Earth-boring bits |
| 06/23/2013 | CA2798947A1 Erosion resistant hard composite materials |
| 06/20/2013 | WO2013090491A1 Apparatuses and methods for stabilizing downhole tools |
| 06/20/2013 | WO2013090378A2 Selectively actuating expandable reamers and related methods |
| 06/20/2013 | WO2013089810A1 Rotary stick, slip and vibration reduction drilling stabilizers with hydrodynamic fluid bearings and homogenizers |
| 06/20/2013 | WO2013089708A1 Floating plug pressure equalization in oilfield drill bits |
| 06/20/2013 | WO2013087773A1 Polycrystalline diamond composite compact elements and methods of making and using same |
| 06/20/2013 | WO2013016641A3 Methods of coating wellbore tools and components having such coatings |
| 06/20/2013 | WO2012098377A3 Downhole tools |
| 06/20/2013 | US20130153306 Fixed cutter drill bit heel and back-ream cutter protections for abrasive applications |
| 06/20/2013 | US20130153305 Drag Drill Bit With Hybrid Cutter Layout Having Enhanced Stability |
| 06/20/2013 | US20130153304 Floating plug pressure equalization in oilfield drill bits |
| 06/20/2013 | US20130153300 Selectively actuating expandable reamers and related methods |
| 06/20/2013 | CA2857485A1 Floating plug pressure equalization in oilfield drill bits |
| 06/19/2013 | EP2603661A2 Cutting elements including nanoparticles in at least one portion thereof, earth-boring tools including such cutting elements, and ralted methods |
| 06/19/2013 | EP2603660A1 Cutting tool integrated in a drillstring |
| 06/19/2013 | CN203008791U Coring bit |
| 06/19/2013 | CN203008790U Diamond compact anchor rod drill bit |
| 06/19/2013 | CN203008789U Diamond composite cutter head |
| 06/19/2013 | CN203008788U Hot pressed diamond drill bit added with alumina hollow balls |
| 06/19/2013 | CN203008787U Hydraulic mechanical reamer bit with variable diameters in drilling |
| 06/19/2013 | CN203008786U Multifunctional folded-wing reaming drill bit |
| 06/19/2013 | CN203008785U Tooth of roller bit |
| 06/19/2013 | CN203008784U Convolution drill bit and convolution drilling machine for non-mud stone-picking of pile foundation |
| 06/19/2013 | CN202998970U Single-angle blade of single-angle hole digging drill for tree planting |
| 06/19/2013 | CN202998806U V-shaped tree pit digging machine drilling head |
| 06/19/2013 | CN103161406A Rock reamer |
| 06/19/2013 | CN102199989B Automatic drilling machine without drill rod |
| 06/19/2013 | CN101688435B Hydraulic breaker assembly |