| Patents for E21B 15 - Supports for the drilling machine, e.g. derricks or masts (4,619) |
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| 03/05/2015 | WO2015030757A1 Transportable equipment platform |
| 03/05/2015 | US20150059262 Drilling rig masts and methods of assembly and erection |
| 03/04/2015 | EP2841677A2 Substructure of a mobile drilling rig with a movable center floor section |
| 03/04/2015 | EP2841676A2 Bi-directionally raisable drilling rig mast |
| 02/26/2015 | US20150053426 Mounting structure with storable transport system |
| 02/26/2015 | US20150052828 Bi-directionally raisable drilling rig mast |
| 02/25/2015 | EP2839103A2 Mobile drilling rig with telescoping substructure boxes |
| 02/24/2015 | US8961072 Tension frame |
| 02/19/2015 | WO2014205601A9 Rotary excavating bucket drill |
| 02/19/2015 | US20150047908 Bi-directionally raisable drilling rig mast |
| 02/19/2015 | US20150047290 Method for assembling a drilling rig structure |
| 02/17/2015 | US8955620 Drill rod guide |
| 02/17/2015 | US8955596 Damping apparatus for moonpool |
| 02/12/2015 | WO2015020626A1 Brake, shear and cable management system and method |
| 02/11/2015 | CN204152447U 随动架及具有该随动架的工程机械 Servo frame and have the follower frame construction machinery |
| 02/11/2015 | CN204152446U 一种钻机模块液压夹持平移装置 One kind of rig hydraulic clamping module translation device |
| 02/11/2015 | CN204152445U 一种可升降煤钻机架 One kind of coal can lift rig |
| 02/11/2015 | CN204152444U 钻修井机及钻修井机井架二层台安全装置 Drilling and workover rig workover drilling derrick racking safety devices |
| 02/11/2015 | CN204152429U 一种内置地锚车钻进机构 A built car drilling anchor institutions |
| 02/11/2015 | CN204152428U 一种窄机身四臂锚杆锚索钻车 A narrow fuselage four drill arm bolt and cable cars |
| 02/11/2015 | CN204152427U 一种钻桩机 One kind of drill pile |
| 02/11/2015 | CN104343395A 一种易于钻头移动和重新定位的采煤钻机平台 An easy to move and reposition the drill rig mining |
| 02/11/2015 | CN104343394A 一种双二层台施工前开口式钻机井架 A two-story station construction before opening rig derrick |
| 02/11/2015 | CN104343393A 一种双二层台施工a型钻机井架 Construction of a two-story units a rig derrick |
| 02/11/2015 | CN104343392A 石油钻井井架 Oil drilling derrick |
| 02/11/2015 | CN104343387A 钻井系统及空气承载运输系统 Drilling system and air transportation systems carrying |
| 02/11/2015 | CN103046874B 一种坑道钻机及其支撑装置 One kind of drilling rig and support equipment |
| 02/05/2015 | WO2015016849A1 Platform system for use with pipe or tubing |
| 02/05/2015 | US20150034383 Offshore system comprising a rig and a cantilever |
| 02/05/2015 | US20150034327 Drilling system having slot for underwater storage of bop assembly |
| 02/04/2015 | CN204140004U 一种连续油管作业设备 A continuous tubing operations equipment |
| 02/04/2015 | CN204139983U 快速拆卸式气腿 Quick detachable air leg |
| 02/04/2015 | CN204139982U 一种井架整体移动系统 One kind of mobile systems derrick |
| 02/04/2015 | CN204139981U 吊杆安装打眼工具 Drilling boom installation tool |
| 02/04/2015 | CN103104191B 超大孔径桩基钻孔机 Large aperture pile drilling machine |
| 01/29/2015 | WO2015012845A1 Expandadle bullnose assembly for use with a wellbore deflector |
| 01/29/2015 | WO2015012844A1 Adjustable bullnose assembly for use with a wellbore deflector assembly |
| 01/29/2015 | WO2015012843A1 Deflector assembly for a lateral wellbore |
| 01/28/2015 | CN204126562U 一种使用方便的打孔架 A convenient punch holder |
| 01/28/2015 | CN204126561U 一种改良结构的钻机用行走底盘 Rig an improved chassis structure with walking |
| 01/28/2015 | CN204126560U 一种可调式护栏连接装置 An adjustable fence connected device type |
| 01/28/2015 | CN104314475A 一种可升降煤钻机架 One kind of coal can lift rig |
| 01/28/2015 | CN104314474A 输电线路岩石锚杆小型钻机多功能三角型支脚 Transmission line rock bolt rig versatile small triangular feet |
| 01/27/2015 | US8938930 Support apparatus for wellbore tools |
| 01/22/2015 | WO2015009395A1 Top drive module connector and methods |
| 01/22/2015 | US20150021095 Modular drilling rig system |
| 01/21/2015 | CN204113806U 一种可双向回转的油缸连接座 One kind of bi-directional rotation of the cylinder connection seat |
| 01/21/2015 | CN204113128U 输电线路岩石锚杆小型钻机多功能三角型支脚 Transmission line rock bolt rig versatile small triangular feet |
| 01/21/2015 | CN204113127U 动力头的侧移装置 Lateral device power head |
| 01/21/2015 | CN204113113U 分体式全液压动力头岩心钻机 Split full hydraulic power head core drilling rig |
| 01/21/2015 | CN204113104U 一种带延长结构的电锤 An extension of the structure with a hammer |
| 01/21/2015 | CN204112676U 用于墙顶打孔的力臂机构 For the top of the wall punching arm mechanism |
| 01/21/2015 | CN204112314U 一种桩架前端的可升降作业平台 One kind of pile frame can lift the front of the work platform |
| 01/21/2015 | CN104302864A 用于可移动钻机的可收缩底座 Mobile rig for collapsible base |
| 01/21/2015 | CN104295242A 一种张力腿式钻井平台单层旋转滑移式钻机底座 Is a tension leg platform single rotary drilling rig skid base |
| 01/21/2015 | CN104295241A 一种使用方便的打孔架 A convenient punch holder |
| 01/20/2015 | US8935901 Self-elevating mast employing draw works |
| 01/15/2015 | WO2015006339A1 Blast, fire, and hydrocarbon capture and protection systems |
| 01/14/2015 | EP2824273A2 Drilling machine and method |
| 01/14/2015 | EP2823129A2 Modular drilling rig system |
| 01/14/2015 | EP2823128A2 Modular drilling rig system |
| 01/14/2015 | CN204099326U 一种单向平衡阀及桅杆油缸控制系统和旋挖钻机 One-way balancing valve and mast cylinder control system and rotary drilling rig |
| 01/14/2015 | CN204098807U 钻台死绳固定装置 Rig dead line fixtures |
| 01/14/2015 | CN204098796U 一种稳固打孔架座结构 One kind of solid punch holder structure |
| 01/14/2015 | CN204098795U 带小型动力水龙头煤层气钻修机 With a small power drill faucet repair machines CBM |
| 01/14/2015 | CN204098794U 一种浮动旋转机构 One kind of floating rotating mechanism |
| 01/14/2015 | CN204098793U 新型低位二层台安装装置 The new low-floor units installed devices |
| 01/14/2015 | CN204098792U 加固桅杆机构 Institutional strengthening mast |
| 01/14/2015 | CN204098783U 一种煤矿用全液压钻车 One kind of coal with full hydraulic drilling |
| 01/14/2015 | CN204098782U 一种煤矿用全液压钻车 One kind of coal with full hydraulic drilling |
| 01/14/2015 | CN204098780U 全液压履带式桅杆高度与配重无级调节后背式旋挖钻机 Hydraulic Crawler mast height and weight stepless back type rotary drilling rig |
| 01/14/2015 | CN204098775U 旋挖钻机、架体、滑耳和滑架 Rotary drilling rig, the frame body, sliding ear and carriage |
| 01/14/2015 | CN204096979U 一种垂直起升井架的起升装置 The vertical lift derrick lifting device |
| 01/14/2015 | CN104278954A 一种稳固打孔架座结构 One kind of solid punch holder structure |
| 01/14/2015 | CN104278946A 插接组装式水井钻机 Plug assembled drilling rig |
| 01/14/2015 | CN103061680B 滑架、动力装置和旋挖钻机 Carriage, power units and rotary drilling rig |
| 01/14/2015 | CN101960085B 便于组装和架设钻机的方法与相关钻机 Ease of assembly and erection methods and related rig drilling rig |
| 01/08/2015 | US20150008039 Modular drilling rig system |
| 01/07/2015 | CN204082020U 手提式农田水利钻机架 Portable irrigation rig |
| 01/07/2015 | CN204082019U 组合式钻机平移装置 Modular rig translation device |
| 01/07/2015 | CN204082000U 一种简易组装钻机 A simple assembly rig |
| 01/07/2015 | CN204081999U 一种可行走万向旋转钻机 One kind of universal rotary drilling rig can walk |
| 01/07/2015 | CN204081997U 一种跨皮带机钻孔装置 Drilling equipment across a belt |
| 01/07/2015 | CN204081994U 一种具有移动装置的气动架柱式钻机 Pneumatic frame pillar drill having a mobile device |
| 01/07/2015 | CN204081989U 可旋转的坑道钻机动力头 Rotatable tunnel drill head |
| 01/07/2015 | CN104265183A 一种浮动旋转机构 One kind of floating rotating mechanism |
| 01/07/2015 | CN104265182A 双杆打井机 Double rod drilling machine |
| 01/07/2015 | CN104265171A 一种垂直钻井自动调整装置及调整方法 The vertical drilling automatic adjustment device and adjustment method |
| 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 | 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 | 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 | CN102472083B 海上钻井系统 Offshore Drilling System |
| 01/06/2015 | US8926224 Multi-direction direct cantilever skidding system |
| 01/06/2015 | US8925658 Drill rig moving system |
| 01/06/2015 | US8925647 Triple activity drilling ship |
| 01/06/2015 | US8925257 Self-elevating mast employing drive carriage |
| 12/31/2014 | CN204060744U 一种液压锚杆群钻机 A hydraulic bolt rig group |
| 12/31/2014 | CN204060531U 一种微桩钻机伸缩桅杆 A micro pile rig telescopic mast |