| Patents for E21B 7 - Special methods or apparatus for drilling (22,064) |
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| 01/07/2015 | CN104265167A 一种转运锚杆锚索钻车 One kind of transport anchor bolt Drill |
| 01/07/2015 | CN104265166A 一种配套连续采煤机使用的八臂全液压锚杆锚索钻车 Supporting the continuous miner to use one kind of eight-arm hydraulic drill bolt and cable cars |
| 01/07/2015 | CN104265165A 一种水平定向钻机罩 A horizontal directional drilling cover |
| 01/07/2015 | CN104265164A 高原山地基坑开挖施工设备的钻进掏挖提土装置 Plateaus of excavation and drilling equipment mention digging soil device |
| 01/07/2015 | CN104265163A 自润滑导向板装置及旋挖钻机 Self-lubricating guide plate device and rotary drilling rig |
| 01/07/2015 | CN104265162A 牙轮钻机提升机构锥套式限位装置 Rotary drill lifting mechanism drogue limit device |
| 01/07/2015 | CN104265161A 5寸半套管内自由段开窗侧钻工艺 Sidetrack free section within five and a half inches casing drilling technology |
| 01/07/2015 | CN104265160A 水力振荡轴向冲击器 Hydraulic axial oscillation impactor |
| 01/07/2015 | CN104265156A 高原山地基坑开挖施工设备的掏挖提土装置 Plateaus excavation construction equipment digging mention soil device |
| 01/07/2015 | CN102747958B 一种复合振动钻井工具 A composite vibration Drilling Tools |
| 01/07/2015 | CN102535450B 一种五轴水泥土搅拌桩装置及施工方法 A five-cement mixing plant and construction method pile |
| 01/07/2015 | CN102472083B 海上钻井系统 Offshore Drilling System |
| 01/06/2015 | US8925652 Lateral well drilling apparatus and method |
| 01/06/2015 | US8925651 Hydraulic drilling method with penetration control |
| 01/06/2015 | US8925649 System to harvest energy in a wellbore |
| 01/06/2015 | US8925648 Automatic control of oscillatory penetration apparatus |
| 01/06/2015 | CA2799752C Method for drilling through nuisance hydrocarbon bearing formations |
| 01/06/2015 | CA2794214C An apparatus and a control method for controlling the apparatus |
| 01/01/2015 | US20150006227 System and method for defining a drilling path based on cost |
| 01/01/2015 | US20150000980 Formation dip geo-steering method |
| 01/01/2015 | US20150000918 Catalyzed polyamine sulfide scavengers and methods of use in subterranean treatment fluids |
| 01/01/2015 | US20150000890 Drill rig and methods of manufacture and use of same |
| 01/01/2015 | US20150000509 Methods And Systems For Controlling Networked Electronic Switches For Remote Detonation Of Explosive Devices |
| 12/31/2014 | CN204060670U 井下瓦斯抽采钻机 Underground gas drainage drilling rig |
| 12/31/2014 | CN204060610U 一种用于瓦斯抽排孔的锥形水泥浮力塞 Cement cone buoyancy for Methane Drainage plug |
| 12/31/2014 | CN204060535U 一种插装式钻井隔水管终端适配单根 One kind of plug-drilling riser single terminal adapter |
| 12/31/2014 | CN204060525U 钻机上桅杆结构及旋挖钻机 The rig mast structure and rotary drilling rig |
| 12/31/2014 | CN204060523U 新型钻机整体移动装置 New rig overall mobile device |
| 12/31/2014 | CN204060521U 用于生活垃圾填埋场履带钻井机液压定位支撑装置 Landfill for crawler hydraulic drilling machine positioning support device |
| 12/31/2014 | CN204060517U 液动冲击旋转钻具 Hydraulic rotary drilling impact |
| 12/31/2014 | CN204060514U 煤矿穿层钻孔高压水射流钻扩装置 Mine Borehole pressure water jet drilling expansion device |
| 12/31/2014 | CN204060513U 钻井对接装置 Drilling docking device |
| 12/31/2014 | CN204060512U 一种地震勘探防井斜设备 One kind of anti-seismic devices inclination |
| 12/31/2014 | CN204060511U 一种电杆用打孔机 One kind of pole with a punch |
| 12/31/2014 | CN204060510U 一种可无级调速的切削钻机 One kind stepless cutting rig |
| 12/31/2014 | CN204060509U 一种泥枪震源钻具 One kind of drilling mud gun source |
| 12/31/2014 | CN204060507U 单直缸多级液力加压器 Single straight multistage hydraulic cylinder pressurizer |
| 12/31/2014 | CN204055397U 可旋转式操作台 Rotatable console |
| 12/31/2014 | CN103950855B 一种电液联控转臂限位装置 An electrically controlled hydraulic jib stopper Union |
| 12/31/2014 | CN102900363B 履带底盘、旋挖钻机和该履带底盘的运输方法 Crawler chassis, rotary drilling rig transportation methods and the crawler chassis |
| 12/30/2014 | US8922215 Measurement of formation parameters using rotating directional EM antenna |
| 12/30/2014 | US8919459 Control systems and methods for directional drilling utilizing the same |
| 12/30/2014 | US8919458 System and method for drilling a deviated wellbore |
| 12/30/2014 | US8919447 Undersea connector for connecting an oil installation, the connector being provided with an anti-disconnection device |
| 12/30/2014 | US8919441 Method of intersecting a first well bore by a second well bore |
| 12/30/2014 | CA2775740C Tools for use in drilling or enlarging well bores having expandable structures and methods of making and using such tools |
| 12/30/2014 | CA2692027C Method and device for controlling a rock drill rig |
| 12/25/2014 | US20140374168 Drill Chuck Isolator |
| 12/25/2014 | US20140374165 Steering head |
| 12/25/2014 | US20140374164 System and method for formation detection and evaluation |
| 12/25/2014 | US20140374162 Sonic drill head |
| 12/25/2014 | US20140374159 Positioning techniques in multi-well environments |
| 12/25/2014 | US20140374156 Methods of reducing stress in downhole tools |
| 12/24/2014 | CN204040917U 一种钻井机的底盘、钻井机 One kind of chassis drilling machine drilling machine |
| 12/24/2014 | CN204040908U 抗冲蚀磨损的叶轮式水力脉冲钻井提速工具 Anti-erosion impeller speed drilling, hydraulic pulse tools |
| 12/24/2014 | CN204040907U 一种油田用振动钻井工具 One kind of oilfield drilling tool with vibration |
| 12/24/2014 | CN204040906U 一种顶驱钻井设备接箍卡紧式下套管装置 One kind of top drive drilling equipment type couplings clamping device casing |
| 12/24/2014 | CN204040905U 一种新型造斜钻头 A new drill whipstocking |
| 12/24/2014 | CN204040904U 一种钻孔咬合桩钻机控制钻孔孔斜的装置 Bite pile rig drilling a hole drilled hole deviation control device |
| 12/24/2014 | CN204040903U 一种双弯壳体导向钻具 A two curved shell drill guide |
| 12/24/2014 | CN204040902U 塔式防斜钻具 Tower BHA |
| 12/24/2014 | CN204040901U 一种用于水平定向钻机的回拖增力系统 Pullback booster system for horizontal directional drilling rig |
| 12/24/2014 | CN204040900U 一种用于水平定向钻机的锚固装置 A horizontal directional drilling apparatus for anchoring |
| 12/24/2014 | CN204040899U 一种快捷轻便地理坐标布设装置 A fast, lightweight geographical coordinates wiring apparatus |
| 12/24/2014 | CN204040898U 一种配套连续采煤机使用的八臂全液压锚杆锚索钻车 Supporting the continuous miner to use one kind of eight-arm hydraulic drill bolt and cable cars |
| 12/24/2014 | CN104246108A 固井造斜器装置和方法 Cementing whipstock apparatus and method |
| 12/24/2014 | CN104246107A 用于最佳化和监控地下钻探的方法 Optimization and monitoring of underground drilling method for |
| 12/24/2014 | CN104234667A 卤水沟渠及其系统和开挖方法 Brine ditches and excavation methods and systems |
| 12/24/2014 | CN104234650A 套管下放工具及方法 Casing decentralization tools and methods |
| 12/24/2014 | CN104234631A 一种岩石地层定向钻穿越用正扩钻具 One kind of rock formations directional drilling with a positive expansion drill |
| 12/24/2014 | CN104234628A 地质勘探用扩孔器 Geological exploration with reamer |
| 12/24/2014 | CN104234627A 基于顶驱作业的下套管装置及方法 Top drive casing operations based device and method |
| 12/24/2014 | CN104234626A 钻井对接方法和装置 Method and apparatus for drilling docking |
| 12/24/2014 | CN104234625A 一种可行走万向旋转钻机 One kind of universal rotary drilling rig can walk |
| 12/24/2014 | CN104234624A 中深孔凿岩台车用油管布置结构 The hole drill rig with tubing arrangement |
| 12/24/2014 | CN104234623A 一种无接杆钻井头 Post a non-drilling head |
| 12/24/2014 | CN104234622A 一种泥枪震源钻具及工艺方法 One kind of drilling mud gun source and process methods |
| 12/24/2014 | CN103015894B 一种具有轴向爬行功能的减摩降阻工具 Antifriction a crawl function with axial resistance reduction tool |
| 12/24/2014 | CN102791958B 用于呈现定位信息的方法、用户接口和岩石钻探装备 Methods for presenting location information, the user interface and rock drilling equipment |
| 12/24/2014 | CN102587904B 一种综合机械化岩巷掘进机 An integrated mechanized rock roadheader |
| 12/24/2014 | CN102383830B 突出煤层区域综合防突方法 Comprehensive outburst prominent seam area method |
| 12/23/2014 | US8915313 Hole boring tool |
| 12/23/2014 | US8915311 Method and apparatus for drilling a zero-radius lateral |
| 12/23/2014 | US8915310 Long lateral completion system and method |
| 12/23/2014 | US8915296 Apparatus and method for setting a tool in a borehole |
| 12/18/2014 | US20140367604 Hot hole charge system |
| 12/18/2014 | US20140367502 Virtual electrode mineral particle disintegrator |
| 12/18/2014 | US20140367172 Drill string with aluminum drill pipes, bent housing, and motor |
| 12/18/2014 | US20140367170 Phase Estimation From Rotating Sensors To Get A Toolface |
| 12/17/2014 | CN204024630U 旋挖钻机旋扩系统直径全闭环控制装置 Rotary Drilling Rig Rotary expanded diameter loop control system devices |
| 12/17/2014 | CN204024554U 油气井一体式套管段铣及裸眼造穴工具 Integrated oil and gas well casing section milling and hole making tool for the naked eye |
| 12/17/2014 | CN204024550U 一种钻井取心组合钻具 One kind of combination of drilling coring drill |
| 12/17/2014 | CN204024532U 钻杆装载组件以及包括该钻杆装载组件的水平定向钻机 Drill and loading assembly comprises a horizontal orientation of the drill rig loading assembly |
| 12/17/2014 | CN204024523U 夹持装置、包括夹持装置的钻杆装载装置和水平定向钻机 Clamping device, drill pipe loading device includes a clamping device and horizontal directional drilling |
| 12/17/2014 | CN204024522U 钻杆装载装置和包括该钻杆装载装置的水平定向钻机 The level of the drill drill pipe loading device and loading device includes directional drilling |
| 12/17/2014 | CN204024476U 一种锚固孔孔底单翼扩孔装置 A bore hole bottom wing reaming anchoring device |
| 12/17/2014 | CN204024475U 气体钻井用常明火装置 Gas drilling often fire equipment |
| 12/17/2014 | CN204024474U 一种分支井锯齿形插入锁定定向套 One kind of wells serrated locking directional insert sets |
| 12/17/2014 | CN204024473U 煤层气开发井 CBM development wells |
| 12/17/2014 | CN204024472U 岩锚钻进定位导向封孔装置 Rock drilling anchor positioning guide sealing device |