| Patents for E21B 7 - Special methods or apparatus for drilling (22,064) |
|---|
| 07/16/2014 | CN103924920A 钻具随钻安全装置 Drill drilling safety device |
| 07/16/2014 | CN103924919A 一种便捷式打孔机 A convenient type drilling machine |
| 07/16/2014 | CN103924918A 一种超深钻探机 An ultra-deep drilling machine |
| 07/16/2014 | CN103924917A 一种煤层气多分支水平井钻井施工方法 One kind of multi-branch horizontal wells CBM drilling method |
| 07/16/2014 | CN102839918B 冰层定向钻井热熔钻头 Hot melt ice drill directional drilling |
| 07/16/2014 | CN102758587B 一种连续管液控定向工具 A continuous tube pilot orientation tool |
| 07/16/2014 | CN102635581B 用于超深径向井作业的液压控制系统 Hydraulic control system for ultra-deep wells operating in the radial |
| 07/16/2014 | CN102220838B 地面工作装置 Ground working device |
| 07/15/2014 | US8776914 Drainage method for multilayer reservoirs |
| 07/15/2014 | US8776912 Secondary cutting structure |
| 07/15/2014 | US8776893 Apparatus and method for processing fluids from a well |
| 07/15/2014 | CA2739978C Apparatus and method for directional drilling |
| 07/15/2014 | CA2597390C Steerable rotary directional drilling tool for drilling boreholes |
| 07/15/2014 | CA2574728C Steering assembly and steering component |
| 07/10/2014 | WO2014107232A2 Rotary steerable push-the-bit drilling apparatus with self-cleaning fluid filter |
| 07/10/2014 | WO2014107170A1 Ultrasonic impact treatment for useful life improvement of downhole tools |
| 07/10/2014 | WO2014107058A1 Self-enlargeable pile and construction method therefor |
| 07/10/2014 | WO2014078027A3 Method to detect drilling dysfunctions |
| 07/10/2014 | WO2013113002A4 A method to control the environment in a laser path |
| 07/10/2014 | US20140190751 Method and System for Drilling with Reduced Surface Pressure |
| 07/10/2014 | US20140190750 Rotary steerable drilling system and method |
| 07/10/2014 | US20140190748 Drilling device and process |
| 07/10/2014 | US20140190102 Hole boring tool |
| 07/09/2014 | CN203702705U 一种自动钻进液压控制系统、作业车 An automatic control system for hydraulic drilling, work vehicle |
| 07/09/2014 | CN203702704U 一种自动钻进液压控制系统及作业车 An automatic control system for hydraulic drilling and operating vehicles |
| 07/09/2014 | CN203701978U 可变径扩底钻头及钻孔机械 Reducing belled can drill and drilling machinery |
| 07/09/2014 | CN203701967U 一种压电陶瓷式声波钻头 A piezoelectric ceramic sonic drill |
| 07/09/2014 | CN203701966U 螺杆轴流式井下动力增压钻具 Axial screw supercharger downhole drill |
| 07/09/2014 | CN203701965U 高压磨料装置 High pressure abrasive device |
| 07/09/2014 | CN203701964U 多功能水射流喷头 Multifunctional water jet nozzle |
| 07/09/2014 | CN203701963U 水力钻井设备 Hydraulic Drilling Equipment |
| 07/09/2014 | CN203701962U 矿井液压钻机液控锁紧装置 Mine hydraulic drill pilot locking device |
| 07/09/2014 | CN203701961U 一种煤矿用钻冲压裂一体作业机 One kind of coal mine drilling machine stamping split one job |
| 07/09/2014 | CN203701960U 一种煤矿用轮式自移钻机 One kind of wheeled self-moving rigs for use in mines |
| 07/09/2014 | CN203701959U 一种煤矿底抽巷用液压钻机 One kind of bottom pumping hydraulic rigs Lane |
| 07/09/2014 | CN203701958U 一种小型液压式带压钻孔机 A small hydraulic drilling machine with pressure |
| 07/09/2014 | CN203701957U 一种移动式打桩钻孔设备 A mobile piling drilling equipment |
| 07/09/2014 | CN203701956U 一种可平移的回转副前置结构 One kind of translating rotary vice Front Structure |
| 07/09/2014 | CN203701955U 一种车体风动凿岩机 One kind of vehicle pneumatic drills |
| 07/09/2014 | CN203701954U 潜孔钻 DTH drill |
| 07/09/2014 | CN203701953U 用于灌注桩施工的伸缩式潜孔钻具 Telescopic DTH drilling for pile construction |
| 07/09/2014 | CN203701952U 螺杆钻孔装置 Screw drilling device |
| 07/09/2014 | CN203701946U 全断面施工瓦斯抽放钻车变幅装置 Full Section construction of gas drainage drilling vehicle luffing device |
| 07/09/2014 | CN103912224A 定量泵/马达串联式节能修井机 Quantitative pump / motor tandem saving workover |
| 07/09/2014 | CN103912218A 旋挖钻机及其整车重心控制方法、系统 Rotary drilling rig and the vehicle center of gravity control method, system |
| 07/09/2014 | CN103911987A 基于钻孔灌注桩气举反循环工艺的压力调节装置 Reverse circulation process pressure regulating device based on gas lift Bored |
| 07/09/2014 | CN102828690B 步履式双回旋潜孔钻机 Walking double roundabout submersible drilling rig |
| 07/09/2014 | CN102472088B 油井完井方法 Well completion methods |
| 07/08/2014 | US8770323 Apparatus and method for installing ground anchoring systems |
| 07/08/2014 | US8770322 Latch body components having multiple functions, and drilling head assembly incorporating same |
| 07/08/2014 | US8770316 Method and apparatus for high pressure radial pulsed jetting of lateral passages from vertical to horizontal wellbores |
| 07/08/2014 | CA2802048A1 Drilling fluid and method for drilling a wellbore |
| 07/08/2014 | CA2795482C Drill bit assembly having electrically isolated gap joint for electromagnetic telemetry |
| 07/08/2014 | CA2672658C System for steering a drill string |
| 07/08/2014 | CA2659594C Method and system for managing a drilling operation in a multicomponent particulate system |
| 07/03/2014 | WO2014105519A1 Apparatus and method for drilling deviated wellbores that utilizes an internally tilted drive shaft in a drilling assembly |
| 07/03/2014 | WO2013135391A3 Method and apparatus for introducing or sinking cavities in rock |
| 07/03/2014 | US20140182944 Integrated sidetrack drilling tool |
| 07/03/2014 | US20140182941 Apparatus and method for drilling deviated wellbores that utilizes an internally tilted drive shaft in a drilling assembly |
| 07/03/2014 | US20140182934 Systems and methods for hydraulic balancing downhole cutting tools |
| 07/03/2014 | US20140182933 Optical feedback to monitor and control laser rock removal |
| 07/03/2014 | DE102012025480A1 Pipe-pulling type drilling device for decentralized promotion of high temperature terrestrial heat from large drilling depth, has high pressure pipe sections that are internally and externally coupled to short thin-walled pipe portion |
| 07/02/2014 | EP2748402A1 Methods of controllably milling a window in a cased wellbore using a pressure differential to cause movement of a mill |
| 07/02/2014 | CN203685034U 超深碎石桩钻具 Ultra-deep gravel pile drilling |
| 07/02/2014 | CN203685033U 一种防斜底部钻具组合 An anti-oblique bottom hole assembly |
| 07/02/2014 | CN203685032U 一种岩石桩基成孔设备 One kind of rock pile into the hole equipment |
| 07/02/2014 | CN203685031U 一种具有横移功能的凿岩爆破车 Having a sliding function of drilling and blasting car |
| 07/02/2014 | CN203685030U 集旋转与平移功能于一体的隧道开挖施工用凿岩爆破车 Set rotation and translation functions in one excavation and construction of the tunnel by drilling and blasting car |
| 07/02/2014 | CN203685029U 一种隧道爆破开挖施工用多功能凿岩爆破车 A tunneling blasting construction with versatile drilling and blasting car |
| 07/02/2014 | CN203685028U 一种自动摆动式凿岩爆破车 An automatic swing drilling and blasting car |
| 07/02/2014 | CN203685027U 长螺旋钻机行走机构 Long auger running gear |
| 07/02/2014 | CN203685026U 一种桩工用钻机 One kind of pile driving rig |
| 07/02/2014 | CN203685025U 一种桩工钻机及其履靴 Piling rigs and one kind of shoe boots |
| 07/02/2014 | CN203685024U 一种长螺旋钻机 A long-auger |
| 07/02/2014 | CN203685023U 智能钻井机器人 Intelligent drilling robot |
| 07/02/2014 | CN103906884A 采矿车辆 Mining Vehicles |
| 07/02/2014 | CN103899349A 一种煤层瓦斯预抽采方法及抽采孔径向钻进导向装置 One kind of pre-seam gas drainage methods and extraction aperture to the drilling guide |
| 07/02/2014 | CN103899250A 一种提高油气井钻井速度的装置 An oil and gas well drilling equipment to improve speed |
| 07/02/2014 | CN103899249A 一种煤矿巷道底板锚固钻车 One kind of mine roadway floor anchor Drill |
| 07/02/2014 | CN103899248A 一种用于巷道底板的带洛阳铲头的锚索钻机 A roadway floor with Luoyang shovel head anchor rig |
| 07/02/2014 | CN103899247A 一种煤矿用钻冲压裂一体作业机 One kind of coal mine drilling machine punched split one job |
| 07/02/2014 | CN103899246A 排孔开槽机 Rows of holes slot machines |
| 07/02/2014 | CN103899245A 一种用于冰川钻探的汽油钻 Gasoline for diamond drilling glacier |
| 07/02/2014 | CN103899244A 一种用膨胀材料修复地浸采铀破损钻孔的方法 An expansion of the material used to repair damaged situ leaching of uranium drilling method |
| 07/02/2014 | CN102654023B 一种用于深水钻井的主辅水下系统及其设置方法 Main and auxiliary systems and underwater setting method for deepwater drilling |
| 07/02/2014 | CN102561948B 一种具有自动换钎装置的折叠臂凿岩钻车 Wrap brazing device having a folding arm Rock Drill |
| 07/02/2014 | CN102536119B 一种钻挖互换两用机 One kind of drilling interchangeable dual-purpose machine |
| 07/01/2014 | USRE44973 Drilling method and apparatus |
| 07/01/2014 | US8767063 System for monitoring a marine well for shallow-water flow |
| 07/01/2014 | US8763725 Rotary steerable drilling system |
| 07/01/2014 | US8763723 Cartridge for breaking rock |
| 07/01/2014 | US8763685 Whipstock assembly and method for low side exit |
| 06/26/2014 | WO2014099309A1 Automated directional drilling system and method using steerable motors |
| 06/26/2014 | WO2014099258A1 System and method for positioning equipment for well logging |
| 06/26/2014 | WO2014098900A1 Directional control of a rotary steerable drilling assembly using a variable flow fluid pathway |
| 06/26/2014 | WO2014098892A1 Directional drilling control using a bendable driveshaft |
| 06/26/2014 | WO2014098882A1 Injection well and method for drilling and completion |
| 06/26/2014 | WO2014098842A1 Directional drilling using a rotating housing and a selectively offsetable drive shaft |
| 06/26/2014 | WO2014098840A1 Systems and methods for look ahead resistivity measurement with offset well information |
| 06/26/2014 | WO2014098776A2 Multimodal rock disintegration by thermal effect and system for performing the method |