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 15 - Supports for the drilling machine, e.g. derricks or masts
Patents for E21B 15 - Supports for the drilling machine, e.g. derricks or masts (4,619)
08/2014
08/28/2014US20140238685 Locking mechanism
08/27/2014EP2769047A2 A floating offshore facility and a method for drilling a well
08/26/2014US8813866 Electric tool powered by a plurality of battery packs and adapter therefor
08/21/2014WO2014127058A1 Modular well intervention assembly
08/21/2014US20140232094 Counterweight assembly for a self-propelled derrick rig assembly
08/21/2014US20140231609 Base beam for supporting a self-propelled derrick rig
08/21/2014US20140231098 Methods of supporting a self-propelled derrick rig
08/21/2014US20140231067 Base beam and self-propelled derrick rig assembly
08/19/2014CA2732565C Auto-centering structural bearing
08/14/2014WO2014122470A2 A skid assembly for supporting a drilling tower
08/14/2014US20140224944 Articulating Grasshopper Arm
08/13/2014EP2765272A1 Rock drilling unit and method of changing drill rods
08/13/2014CN203769666U 一种井架起升装置 A well set up lift devices
08/13/2014CN203769665U 可拆折叠式直立套装井架 Detachable folding mast upright suit
08/13/2014CN203769650U 一种拖拉机钻孔机 One kind of tractor Drills
08/13/2014CN203768898U 一种安全高效的双向搅拌桩机 A safe and effective way mixing pile
08/13/2014CN103982141A 一种新型快速移运钻机井架底座结构 A new quick-shift operation derrick base structure
08/13/2014CN103982140A 用于支承钻塔的滑架组件 Rig for supporting a carriage assembly
08/12/2014US8800680 Trigger profile for a power tool
08/12/2014US8800679 Trigger profile for a power tool
08/12/2014CA2644919C Separation device for material from a drilling rig situated on the seabed
08/12/2014CA2642614C Method and device for controlling the drilling direction of a rock-drilling rig
08/07/2014WO2014120085A1 Buddy cantilever system for jack up rigs for use with self elevating drilling rigs (oil & gas industry)
08/07/2014WO2013163252A3 Bi-directionally raisable drilling rig mast
08/07/2014WO2013163250A3 Substructure of a mobile drilling rig with a movable center floor section
08/07/2014US20140215934 Drill Floor Panel Storage
08/06/2014CN203756071U 工程钻机用双油缸提拉导向装置 Rig pulling double cylinder guide
08/06/2014CN203756057U 岩芯钻机 Core drilling
08/06/2014CN203756056U 一种多自由度变幅机构 A multi-degree of freedom luffing mechanism
08/06/2014CN203756055U 一种动力头钻机用的浮动装置 Floating device with a power head rig
08/06/2014CN203756054U 车载式钻机底盘 Truck-mounted drilling rig chassis
08/06/2014CN203756053U 一种油田带压修井用伸缩式工作平台 One kind of oil with pressure workover with a telescopic working platform
08/06/2014CN203756029U 一种气动架柱式钻机 One kind of pneumatic frame pillar drill
08/06/2014CN103967424A 一种钻井机的底盘、钻井机 One kind of chassis drilling machine drilling machine
08/06/2014CN103967423A 油缸座、伸缩式底盘及工程机械 Cylinder seat, retractable undercarriage and construction machinery
08/06/2014CN103967422A 洞室开挖可升降式楔形掏槽孔钻孔支架及安装方法 EXCAVATION can lift wedge cut holes drilled bracket and installation methods
08/06/2014CN101956392B 具有可折叠的转向装置的打桩和钻孔设备 With a collapsible steering piling and drilling equipment
08/01/2014CA2804354A1 System, method, and model of a drilling rig for horizontal, lateral, and directional drilling that is adjustable in real time
07/2014
07/31/2014WO2014116119A1 Inclined conductor device
07/30/2014CN203742469U 全液压万向模块化坑道钻机机架 Hydraulic universal modular chassis tunnel drilling
07/30/2014CN203742468U 用于丛式钻修井的移动式钻具输送装置 Mobile drill for drilling and workover of cluster transfer device
07/30/2014CN203742467U 一种修井机工作台 One kind of workover table
07/30/2014CN203742448U 全液压山地勘探履带钻机 Full hydraulic crawler drilling rig mountain exploration
07/30/2014CN203742443U 护筒压拔钻机 Casing pressure pulling rig
07/30/2014CN203742441U 一种可变桅杆的旋挖钻机 A variable rotary drilling rig mast
07/30/2014CN203742440U 一种锚杆锚索钻车 One kind of anchor bolt Drill
07/30/2014CN203742439U 一种双升降平台四臂锚杆锚索钻车 A dual-arm bolt and cable lifting platform four drills
07/30/2014CN103958816A 管状立根搭建和排放系统 Tubular structures and exhaust system rooted
07/30/2014CN103953287A 下车架间隙调整机构及工程机械 Under the frame gap adjustment mechanism and construction machinery
07/30/2014CN103953282A 长螺旋方孔钻机 Long spiral square hole drill
07/30/2014CN102654021B 隧道打孔机 Tunnel drilling machine
07/30/2014CN102359348B 可调节孔距的钻进装置 Adjustable pitch of drilling equipment
07/30/2014CN102296933B 微型折叠式自动钻井机 Miniature folding automatic drilling machine
07/29/2014CA2822883C Controlled hydrostatic pressure completion system
07/23/2014CN203729970U 双点监测式钻桅自动控制系统 Drill two-point monitoring mast automatic control system
07/23/2014CN203729893U 一种钻杆动力头的机座 Stands a power head drill
07/23/2014CN203729892U 旋挖钻机钻桅左右倾斜限位装置 Rotary drilling rig drilling mast tilt limit device around
07/23/2014CN203729891U 用于旋挖钻机钻桅的机械式限位装置 Rotary drilling rig drilling mast mechanical stopper for
07/23/2014CN203729874U 天车旋转架 Crane rotating frame
07/23/2014CN203729871U 隧道工程钻机专用机械旋转式车架 Tunnel construction machinery specialized rotary rig frame
07/23/2014CN203729870U 中小型地下通管顶钻机械 Small underground drill through the top of the pipe machinery
07/23/2014CN203729860U 一种自带托架的潜孔锤 One kind of comes with the bracket DTH
07/23/2014CN203729859U 旋挖钻机可拆卸的组合式扩展鹅头 Rotary drilling rig detachable modular expansion goose head
07/23/2014CN203728469U 旋挖钻机的限制主卷提升力和变幅机构控制系统 Rotary drilling rig and lift restrictions master volume control system luffing mechanism
07/23/2014CN103939405A 一种潜孔钻机快速自动调平液压控制回路及其控制方法 One kind submersible drilling rig fast automatic leveling hydraulic control circuit and control method
07/23/2014CN103939026A 单油缸驱动回转机构 Single cylinder rotary drive mechanism
07/23/2014CN103939025A 地锚机移动和固定装置 Anchor machine movement and fixtures
07/23/2014CN102333934B 用于在钻孔中抽出和插入钻管柱的方法及实施该方法时所用的设备 For extracting and inserting the drill string in the borehole, and a method to implement the method used by the device
07/22/2014US8782968 Pivotable tower for angled drilling
07/17/2014US20140196948 Drilling rig
07/16/2014CN203717493U 液压控制坡地挖坑机 Hydraulic control slope digging machine
07/16/2014CN203716876U 分离式修井机 Separate workover rig
07/16/2014CN203716860U 一种水下爆破钻孔定位工作平台 Underwater blasting work platform drilling positioning
07/16/2014CN203716859U 一种用于空中钻孔的锚索机 An aerial anchor drilling machine
07/16/2014CN103924931A 一种多角度精确成孔的凿岩机气腿式支架 A multi-angle precision into the air leg rock drill hole bracket
07/16/2014CN103924921A 一种全液压桅杆高度与配重无级调节后背式旋挖钻机 A fully hydraulic mast height and weight stepless adjustment back type rotary drilling rig
07/16/2014CN102678061B 一种柱式燃烧臂护栏 One kind of burning arm pillar fence
07/16/2014CN102220838B 地面工作装置 Ground working device
07/16/2014CN101881138B 煤矿用全液压横放履带钻机 Mine hydraulic crawler drilling rig horizontally
07/10/2014US20140190714 Lead supporting device of drilling machine
07/09/2014EP2751370A2 Pinned structural connection using a pin and plug arrangement
07/09/2014CN203702006U 一种多功能旋挖钻机桅杆支腿装置 A versatile rotary drilling rig mast outrigger device
07/09/2014CN203702005U 一种新型旋挖钻机销轴止动结构 A new rotary drilling rig pin stopper structure
07/09/2014CN203702004U 分离式修井机井架托架 Separate workover rig derrick bracket
07/09/2014CN203702003U 复合步履式桩架及使用该桩架的长螺旋钻机 Composite walking pile frame and use the long auger pile frame
07/09/2014CN203702002U 一种简易双向快速滑动架 A simple two-way fast carriage
07/09/2014CN203702001U 一种旋挖钻机及其桅杆导轨和动力头滑耳 One kind of rotary drilling rig and mast rails and power head slide ear
07/09/2014CN203702000U 一种带双回转平台的旋挖钻机 A tape double rotary drilling rig rotary platform
07/09/2014CN203701999U 液压式旋挖钻机随动架 Hydraulic rotary drilling rig follower frame
07/09/2014CN203701998U 后置卷扬式旋挖钻机随动架 Rear winch servo frame rotary drilling rig
07/09/2014CN203701997U 抱瓦装置及工程机械 Hold tile plant and construction machinery
07/09/2014CN203701996U 一种旋挖钻机桅杆的固定结构 One kind of rotary drilling rig mast fixed structure
07/09/2014CN203701995U 一种旋挖钻机三角架的支座装配结构 A rotary drilling rig tripod mount assembly structure
07/09/2014CN203701994U 一种二层台伸缩折叠栏杆 A bilevel telescopic folding railings
07/09/2014CN203701993U 钻机接地支撑装置及使用该接地支撑装置的长螺旋钻机 Rig ground support equipment and the use of the ground support means long auger
07/09/2014CN203701961U 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
07/09/2014CN203701960U 一种煤矿用轮式自移钻机 One kind of wheeled self-moving rigs for use in mines
07/09/2014CN203701955U 一种车体风动凿岩机 One kind of vehicle pneumatic drills
07/09/2014CN203701954U 潜孔钻 DTH drill
07/09/2014CN103912222A 滑动组件、旋挖钻机及其桅杆装置组件、旋挖钻机桅杆的加压油缸的免拆卸运输方法 Slide assembly, rotary drilling rig and mast assembly, rotary drilling rig mast pressurized cylinder disassembly free shipping methods
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