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)
07/2014
07/09/2014CN203701973U 一种新型牙轮金属密封结构 A new cone metal seal structure
07/09/2014CN203701972U 一种混合式单牙轮钻头 A hybrid single-cone bit
07/09/2014CN203701971U 牙轮钻头、牙轮钻具和旋挖钻机 Cone bit, roller cone drill and rotary drilling rig
07/09/2014CN203701970U 一种翻土叶片后中间位置扇形喷浆的水泥搅拌桩钻头 A middle position after the fan blades dig shotcrete cement mixing pile drill
07/09/2014CN203701969U 复合式耐磨钻头 Composite wear-resistant drill
07/09/2014CN203701968U 用于软煤层钻进的护孔式钻孔装置 Care for soft coal seam drilling hole drilling equipment
07/09/2014CN203701967U 一种压电陶瓷式声波钻头 A piezoelectric ceramic sonic drill
07/09/2014CN203701964U 多功能水射流喷头 Multifunctional water jet nozzle
07/09/2014CN203701963U 水力钻井设备 Hydraulic Drilling Equipment
07/09/2014CN103917736A 用于在地层中钻井眼的装置和方法 Apparatus and methods for the formation drilled wellbore
07/09/2014CN103917733A 高强度、高硬度结合剂和使用这些结合剂所形成的钻孔工具 High strength, high hardness binding agents and the use of a drilling tool formed by these binding agents
07/09/2014CN103917732A 用于在地下地层中进行电磁测量的钻头 For electromagnetic measurements in the underground formation drills
07/09/2014CN103912221A 一种护管钻头及其在岩土定深静力触探中的应用 A protective tube and its application in geotechnical drill deep set of static cone penetration
07/09/2014CN103912220A 轴对称体外沿轴升旋态鳍装置 Axis of symmetry along the axis l spin states in vitro fin unit
07/09/2014CN103912219A 钻孔灌注桩三翼双腰箍钻头 Bored three double waist hoop drill wing
07/09/2014CN102733757B 一种钻式采煤机钻头 One kind of drill bit Shearer
07/08/2014US8770324 Earth-boring tools including sinterbonded components and partially formed tools configured to be sinterbonded
07/08/2014US8770323 Apparatus and method for installing ground anchoring systems
07/08/2014US8770321 Downhole reamer asymmetric cutting structures
07/08/2014US8770320 Core lifter
07/08/2014CA2795482C Drill bit assembly having electrically isolated gap joint for electromagnetic telemetry
07/08/2014CA2760286C Adaptive control concept for hybrid pdc/roller cone bits
07/08/2014CA2748711C Drill bit
07/08/2014CA2720810C Sonic drill bit for core sampling
07/08/2014CA2672658C System for steering a drill string
07/03/2014WO2014106102A1 Underreamer for increasing a bore diameter
07/03/2014WO2014105454A1 Rolling cutter with bottom support
07/03/2014WO2014105431A1 Streamlined pocket design for pdc drill bits
07/03/2014WO2014105081A1 Symmetrical har seal
07/03/2014WO2014105038A1 Systems and methods for hydraulic balancing downhole cutting tools
07/03/2014WO2014105034A1 Systems and methods of adjusting weight on bit an balancing phase
07/03/2014WO2014102247A1 A support structure for a body of polycrystalline diamond material during leaching
07/03/2014WO2014102243A1 A support structure for a plurality of polycrystalline diamond material bodies during leaching
07/03/2014US20140182949 Streamlined pocket design for pdc drill bits
07/03/2014US20140182948 Lower melting point binder metals
07/03/2014US20140182947 Cutting insert for percussion drill bit
07/03/2014US20140182940 Underreamer for Increasing a Bore Diameter
07/03/2014US20140182939 Percussion drill bit with conical cutting elements
07/03/2014US20140182937 Roller cone drill bit
07/03/2014US20140182935 Core and drill bits with integrated optical analyzer
07/03/2014DE102012112343A1 Bit case for holding a tool bit in block mounted at rotatable unit of mining machine, has front and rear grooves that are provided in front and rear portions to receive the compression tapes
07/02/2014EP2748407A2 Downhole tool and method of use
07/02/2014EP2748403A2 Impregnated drilling tools including elongated structures
07/02/2014EP2748402A1 Methods of controllably milling a window in a cased wellbore using a pressure differential to cause movement of a mill
07/02/2014EP2747946A1 Tool for breaking hammer, breaking hammer, and use thereof
07/02/2014EP2747882A1 Fine polycrystalline diamond compact with a grain growth inhibitor layer between diamond and substrate
07/02/2014CN203685043U 双胶管通道旋喷钻具 Dual hose channel Churning drill
07/02/2014CN203685042U 一种旋挖钻机钻头截齿部件 One kind of rotary drilling rig drill cutter parts
07/02/2014CN203685041U 一种高效旋挖齿 An efficient rotary drilling teeth
07/02/2014CN203685040U 一种内凹多翼无芯钻头 One kind of concave multi-wing non-core drill
07/02/2014CN203685039U 一种光伏电站用基础坑挖掘装置 A photovoltaic power plant with a foundation pit mining equipment
07/02/2014CN203685038U 一种伸缩式防糊钻搅拌桩钻头 One kind of anti-telescoping paste mixing pile drill bit
07/02/2014CN203685037U 松软破碎煤层瓦斯抽采孔跟管钻进扩孔装置 Soft broken seam gas drainage hole with drilling pipe reaming device
07/02/2014CN203685036U 横向拓宽器 Lateral Widener
07/02/2014CN203685035U 岩芯钻头结构 Drill core structure
07/02/2014CN103906885A 具有凹陷球齿的钻头及与该钻头一起使用的岩钻工具 A depressed ball tooth drill and drill bit used in conjunction with the rock drilling tools
07/02/2014CN103899253A 带有伸缩刀翼的钻头 Drill with a retractable knife wing
07/02/2014CN103899252A 水下喷浆固壁钻头 Underwater spraying solid wall drill
07/02/2014CN103899251A 一种非开挖钻机的钻头及该钻头的定位方法 A non-excavation of the drill and the drill rig positioning methods
07/02/2014CN102787801B 一种冲击式打孔机 An impact-type drilling machine
07/02/2014CN102439256B 液压破碎机 Hydraulic Crusher
07/01/2014US8764864 Polycrystalline diamond compact including a polycrystalline diamond table having copper-containing material therein and applications therefor
07/01/2014US8764862 Element containing thermally stable polycrystalline diamond material and methods and assemblies for formation thereof
07/01/2014US8763731 Polycrystalline compacts having differing regions therein, cutting elements and earth-boring tools including such compacts, and methods of forming such compacts
07/01/2014US8763730 Diamond bonded construction with improved braze joint
07/01/2014US8763729 Percussion drilling assembly and hammer bit with gage and outer row reinforcement
07/01/2014US8763728 Percussion assisted rotary earth bit and method of operating the same
07/01/2014US8763727 Drill bit having rotational cutting elements and method of drilling
06/2014
06/26/2014WO2014100608A1 Methods of making a drilling tool with low friction coatings to reduce balling and friction
06/26/2014WO2014099868A1 Milling cutter having undulating chip breaker
06/26/2014WO2014096208A1 Material comprising composite particles embedded in a matrix
06/26/2014WO2014094124A1 Drill bit
06/26/2014US20140174834 Rolling cutter with bottom support
06/26/2014US20140174827 Drilling Systems and Fixed Cutter Bits with Adjustable Depth-of-Cut to Control Torque-on-Bit
06/25/2014EP2746527A2 Drilling tool and method for widening and simultaneously monitoring the diameter of wells and fluid properties
06/25/2014CN203669759U 一种带有钻头活门的钻头 A drill bit with a shutter
06/25/2014CN203669758U 一种中硬塑性地层快速钻进pdc钻头 A medium hard plastic pdc drill formations fast drilling
06/25/2014CN203669757U 适应于多种岩性及硬度地层的pdc钻头 Adapt to a variety of lithologies and hardness formations pdc drill
06/25/2014CN203669756U 一种双排式预破应力的pdc钻头 Pdc drill a double Pre-breaking stress
06/25/2014CN203669755U 一种锯齿面电镀金刚石钻头 A band saw surface electroplated diamond drill
06/25/2014CN203669754U 一种新型复合地质钻头 A new complex geological drill
06/25/2014CN203669753U 一种新型四刀翼pdc钻头 A new four blades and pdc drill
06/25/2014CN203669752U 一种石油钻井用六刀翼pdc钻头 A petroleum drilling with six blades pdc drill
06/25/2014CN203669751U 一种凿岩钎头 One kind of rock drill head
06/25/2014CN203669750U 一种节块式金刚石钻头 One kind of diamond drill section block
06/25/2014CN203669749U 一种同心跟管钻具 One kind of concentric tubes with drill
06/25/2014CN203669748U 一种侧钻井扩孔领眼器 A lateral drilling reamer pilot hole is
06/25/2014CN203669747U 一种镶齿牙轮混合钻头 One kind of hybrid cone tipped drill bit
06/25/2014CN203668930U 用于施工一次成型的高压旋喷式土锚杆的钻头 For the construction of a molding of high pressure rotary jet soil anchor drill
06/25/2014CN103890308A 制作多晶金刚石的方法和包括多晶金刚石的切割元件和钻地工具 The method of production of polycrystalline diamond and polycrystalline diamond cutting element includes and boring tools
06/25/2014CN103890307A 用于钻地工具的切削元件、包括这种切削元件的钻地工具及其相关方法 Boring tool for cutting elements, including boring tools such cutting elements and related methods
06/25/2014CN103890306A 用于钻地工具的切削元件、包括这种切削元件的钻地工具及其相关方法 Boring tool for cutting elements, including boring tools such cutting elements and related methods
06/25/2014CN103890305A 具有经修饰表面的切削元件 Cutting element having a modified surface
06/25/2014CN103889622A 钻头和用于钻头的制造方法 And a method for manufacturing the drill bit
06/25/2014CN103883274A 一种矿用钻孔内降温灭尘设备 A borehole mining equipment to cool off the dust
06/25/2014CN103883258A 一种新型钎头 A new drill head
06/25/2014CN103883257A 氮化硼增韧金刚石聚晶制造方法 BN toughening method for producing polycrystalline diamond
06/25/2014CN103883256A 一种多牙轮钻头 A multi-cone bit
06/25/2014CN102587834B 钻具及桩工机械 Drilling and piling machinery
06/25/2014CN102459801B 回拉扩孔钻和将切割腿组件固定到其扩孔钻主体的方法 Pull back reamer and will cut leg assembly to its main method reamer
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