Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › E21B 10 - Drill bits
Patents for E21B 10 - Drill bits (19,464)
08/2014
08/14/2014WO2014121745A1 Auger tooth
08/14/2014US20140225328 Enhanced Backup Ring Edge Features for Metal Face Seal in Roller Cone Drill Bits
08/14/2014US20140225327 Enhanced Backup Ring Features for Metal Face Seal in Roller Cone Drill Bits
08/14/2014US20140224550 Cutting elements and tools comprising interbonded grains of diamond and related compositions
08/14/2014US20140224549 Rock bit having a pressure balanced metal faced seal
08/14/2014US20140224548 Rock bit having a flexible metal faced seal
08/14/2014US20140224547 Rock bit having a radially self-aligning metal faced seal
08/14/2014US20140224539 Pdc sensing element fabrication process and tool
08/14/2014US20140223836 Composite cutter substrate to mitigate residual stress
08/14/2014US20140223833 Drill bit with continuously sharp edge cutting elements
08/13/2014EP2764194A1 Graphite coated metal nanoparticles for polycrystalline diamond compact synthesis
08/13/2014CN203769697U 欠尺寸规径取芯钻头 Less regulation size diameter core drill
08/13/2014CN203769696U 小岩芯取样钻头 Small drill core sampling
08/13/2014CN203769664U 适用于软—硬钻进对象的取心钻头 Suitable for soft - hard drilling objects coring drill
08/13/2014CN203769663U 一种螺旋钻头 In a spiral drill
08/13/2014CN203769662U 单向螺旋半挤土钻头 Half-way spiral drill soil compaction
08/13/2014CN203769661U 爱博特外旋装置 Ai Bote external rotation device
08/13/2014CN203769660U 抗冲击镐形金刚石复合齿 Shock-shaped diamond composite tooth picks
08/13/2014CN203769659U 一种易返式凿岩钎头 An easy return type drilling drill bits
08/13/2014CN203769658U 边坡齿状锚索扩孔头 Slope dentate anchor reaming head
08/13/2014CN203769657U 用于急倾斜煤层开切眼已钻孔的扩孔钻头 Cut open for reaming drill Steep Seam has been drilled
08/13/2014CN203769656U 一种新型扩张钻头 A new expansion drill
08/13/2014CN203769655U 防泥沙堵孔地质钻头 Anti sediment clogging geological drill
08/13/2014CN203769652U 适用于城市环境施工的水平定向钻孔系统 The level of the urban environment is suitable for the construction of directional drilling system
08/13/2014CN103987865A 用于钻地刀头的切削镶片 Boring tip for cutting inserts
08/13/2014CN103982139A 一种高胎体钻齿及其制备方法 A high-carcass drilling teeth and a preparation method
08/13/2014CN103982138A 一种钻机用自动扩大式钻头 One kind of drills, drill bits automatically expand
08/13/2014CN102536123B 反循环金刚石钻头 Diamond drill reverse circulation
08/13/2014CN102337898B 一种特大隧道盾构机行星子母钻头 One kind of large planets Picture drill TBM tunnel
08/12/2014US8800693 Polycrystalline compacts including nanoparticulate inclusions, cutting elements and earth-boring tools including such compacts, and methods of forming same
08/12/2014US8800692 Cutting elements configured to generate shear lips during use in cutting, earth-boring tools including such cutting elements, and methods of forming and using such cutting elements and earth-boring tools
08/12/2014US8800691 Rolling cutter
08/12/2014US8800689 Floating plug pressure equalization in oilfield drill bits
08/12/2014US8800686 Bearing assembly including bearing support ring configured to reduce thermal warping during use, bearing apparatuses using the same, and related methods
08/12/2014US8800654 Wellbore machining device
08/12/2014CA2755220C Bearing assembly for a downhole motor
08/12/2014CA2724453C Methods and systems for mitigating drilling vibrations
08/07/2014WO2014120326A1 High dogleg steerable tool
08/07/2014WO2014118641A2 Non-cylindrical nozzle socket for drill bits
08/07/2014WO2014118517A2 Cutting element
08/07/2014WO2014118507A1 Drill bit design
08/07/2014WO2014117814A1 Hydromill wheel with single disc cutting rollers
08/07/2014US20140216827 Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole tools
08/07/2014US20140216826 Single-waterway drill bits and systems for using same
08/07/2014US20140216825 Auger bit with replaceable cutting bit
08/07/2014US20140216824 Tool holder, and chisel support and drilling bit for a drill head
08/07/2014US20140216823 Non-cylindrical nozzle socket for drill bits
08/06/2014CN203756052U 一种具有防泥包槽和弧形护罩的新型钻井钻头 The new drill bit having an anti-balling slots and curved shield
08/06/2014CN203756050U 钻头喷嘴防内堵装置 Anti-blocking device in the drill nozzle
08/06/2014CN203756049U 一种具有活动辅刀翼的石油钻井用pdc钻头 Activities auxiliary blades and having an oil drilling pdc drill
08/06/2014CN203756048U 一种混装型的石油钻井pdc钻头 One kind of mixed type of oil drilling pdc drill
08/06/2014CN203756047U 一种具有保护罩的石油钻井用pdc钻头 Having a protective cover pdc drill oil drilling
08/06/2014CN203756046U 一种防泥包槽钻井钻头 An anti-tank drilling mud pack drill
08/06/2014CN203756045U 一种改进型防泥包槽钻井钻头 An improved anti-balling slot drilling bits
08/06/2014CN203756044U 一种防泥包的pdc钻头 Pdc drill an anti-balling
08/06/2014CN203756043U 一种大直径内凹式复合片钻头 One kind of large-diameter recessed PDC drill
08/06/2014CN203756042U 台阶式规径钻头 Stepped gauge diameter drill
08/06/2014CN203756041U 一种用于大直径扩眼的自清洗扩眼器刀翼 A large diameter reamer reamer self-cleaning knife wing
08/06/2014CN203756040U 一种双台阶自锁随钻扩眼器刀翼 A two-step self-locking knife while drilling reamer wing
08/06/2014CN203756039U 一种新型牙轮钻头逆止阀 A new check valve cone bit
08/06/2014CN203756038U 一种钻探用高采心率双管取心钻具 A method of drilling with high mining heart rate double tube coring drill
08/06/2014CN203756037U 一种齿轮啮合式井壁取芯钻头 One kind of gear-type wall coring drill
08/06/2014CN203756036U 一种防真空效应的旋挖钻机钻头 An anti-vacuum effect of rotary drilling rig drill
08/06/2014CN203756035U 一种适用于径向钻孔套管开窗的带钻穿显示双顶钻头 One for radial drilling casing window display with double top drill drilled
08/06/2014CN203756034U 一种水力扩张式随钻扩眼器 One kind of hydraulic drilling expandable reamer
08/06/2014CN103967437A 井下压风定点取样装置及取样工艺 Downhole pressure air sampling devices and sampling process sentinel
08/06/2014CN103967421A 一种强力抽吸式反循环取心钻头 A powerful suction reverse circulation drill coring
08/06/2014CN103967420A 自动更换式麻花钻头群打井钻头及其麻花钻头更换方法 Automatic replaceable head twist and twist drill wells group head replacement method
08/06/2014CN103967419A 钻斗和旋挖钻机 Bucket and auger drill rig
08/06/2014CN103967418A 扩孔钻头及锚杆的锚固方法 Reaming drill and bolt anchoring method
08/06/2014CN103967417A 一种上下两面均可做头部的钻头 - Upper and lower sides of the head of the drill can be done
08/06/2014CN103967416A 一种多重保径钻具 A multi-gage drill
08/06/2014CN103967415A 切芯碎芯复合钻头 Cut core composite drill core pieces
08/06/2014CN103967414A 一种钻片上具有两个工作面的钻头 One kind of chip has two drill drill Face
08/06/2014CN102839917B 回转热熔钻头 Rotary hot melt drill
08/06/2014CN102797254B 一种长螺旋钻孔挤密半取土扩底灌注桩施工方法 A long, semi-compacted earth auger drilling belled pile construction method
08/06/2014CN101983274B 韧性增加的凿岩钎具用钎片以及增加该钎片的韧性的方法 Rock Drilling Tools toughness increases with the drill bit and increase the toughness of the brazing sheet approach
08/05/2014US8794356 Shaped cutting elements on drill bits and other earth-boring tools, and methods of forming same
08/05/2014US8794355 Driven latch mechanism
07/2014
07/31/2014CA2852972A1 Polycrystalline diamond compact with increased impact resistance
07/30/2014EP2758621A2 Methods of forming polycrystalline diamond compacts and resulting polycrystalline diamond compacts and cutting elements
07/30/2014CN203742461U 一种煤矿井下松软煤层瓦斯抽采钻孔护孔用钻头 One kind of soft coal seam coal mine gas drainage drilling holes with a drill guard
07/30/2014CN203742460U 多刀齿多间隙切削土方钻头 Multi-cutter multi-gap drill cutting earthmoving
07/30/2014CN203742459U 一种五刀翼的聚晶金刚石复合片钻头 A Fifth blades and polycrystalline diamond compact drill
07/30/2014CN203742458U 一种六刀翼的聚晶金刚石复合片钻头 One kind of six blades of polycrystalline diamond compact drill
07/30/2014CN203742457U 高效率pdc钻头 High efficiency pdc drill
07/30/2014CN203742456U 低阻力pdc钻头 Low resistance pdc drill
07/30/2014CN203742455U 一种三翼锥型不卡钻无芯钻头 A three-winged cone drill without sticking coreless
07/30/2014CN203742454U 一种盲天井钻机的扩孔刀头 A Blind patio rig reaming head
07/30/2014CN203742453U 一种嵌岩、扩底钻头 One kind of rock-socketed, belled drill
07/30/2014CN203742452U 扶正式取心钻头 Official Rotary coring drill
07/30/2014CN203742451U 一种防溅水薄壁钻头 One kind of splash water drill bit
07/30/2014CN103958815A 挖掘工具 Mining tools
07/30/2014CN103958814A 挖掘工具 Mining tools
07/30/2014CN103958140A 用于晶片切割的晶片切割牺牲基板 Cutting the wafer for wafer dicing sacrificial substrate
07/30/2014CN103953286A 焊接式高胎体地质钻头及其制作方法 Welded high carcass geological drill and production methods
07/30/2014CN103953282A 长螺旋方孔钻机 Long spiral square hole drill
07/30/2014CN103953280A 一种公路桥梁桩基水钻成孔装置及钻孔方法 One kind of highway bridge pile into the hole diamond drilling apparatus and method
07/30/2014CN103953032A 方形水泥搅拌桩钻机 Square cement mixing pile rig
07/30/2014CN103953030A 螺纹旋后插筋挤密灌注桩 After threaded dowels compaction pile
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