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)
11/2011
11/16/2011	CN202039774U Automatic-moving hydraulic drilling machine used for coal mine
11/16/2011	CN202039773U Wide range lifting type deep hole drilling rig for mining
11/16/2011	CN102242602A Spiral pile drilling machine
11/09/2011	CN202031599U Hydraulic drilling machine
11/09/2011	CN202031498U Lifting operating platform for device operating under pressure
11/09/2011	CN202031488U Supporting device and engineering machine
11/09/2011	CN202031487U Secondary derrick ascending and descending control system in workover rig or vehicle-mounted drilling rig
11/09/2011	CN202031477U Hydraulic power foundation drilling machine
11/09/2011	CN102234999A Underwater drilling platform
11/09/2011	CN101737013B Sinking headframe double-layer sheave wheel platform system
11/08/2011	CA2523505C Fast moving drilling rig
11/02/2011	CN202023516U Similar model prototype for gear rack drilling machine
11/02/2011	CN202023508U Connecting and fixing device for moving top drive of drilling machine and derrick rapidly
11/01/2011	US8047303 Drilling rig drawworks installation
10/2011
10/28/2011	CA2738337A1 Spar hull centerwell arrangement
10/26/2011	CN202017450U Novel vehicle-mounted auger drill
10/26/2011	CN102227349A Semi-submersible offshore structure
10/20/2011	WO2011130659A1 Unconditionally stable floating offshore platforms
10/20/2011	WO2011129760A1 Device and method for handling drill string components and drill rig
10/20/2011	CA2792972A1 Device and method for handling drill string components and drill rig
10/19/2011	CN202012533U Exhaust device for headframe telescopic hydraulic cylinder
10/19/2011	CN202012296U Drilling floor surface buffering device
10/19/2011	CN202012295U Stabilizing device for gas drainage drilling rig
10/19/2011	CN202012294U Rotary support for workover rig without guy wire
10/19/2011	CN202012187U 升降式脚手架 Lifting Scaffolding
10/19/2011	CN102220846A Ground tower lifting device for quadrangular drill tower
10/19/2011	CN102220841A Submarine sampling drilling rig
10/19/2011	CN102220840A Drill boom of multi-directional driller
10/19/2011	CN102220838A Soil cultivation device
10/18/2011	CA2654901C Triple activity drilling ship
10/13/2011	WO2011126711A1 Alignment assembly, drilling systems, and methods
10/13/2011	WO2011126362A1 Apparatus and method for introducing tubes into the soil
10/13/2011	CA2795240A1 Alignment assembly, drilling systems, and methods
10/12/2011	CN202007632U Rotating bracket of down-the-hole drill operation platform
10/12/2011	CN102213076A Vertical shaft type drilling machine with long feeding travel
10/06/2011	WO2011068831A3 A dual pathway riser and its use for production of petroleum products in multi-phase fluid pipelines
10/06/2011	US20110240371 Drilling Station
10/05/2011	CN202000908U Connecting plate used on mast of rotary drilling rig
10/05/2011	CN202000907U Drilling platform
10/05/2011	CN202000906U Height-adjustable installing support of derrick
10/05/2011	CN101035961B Sleeve arrangement
09/2011
09/28/2011	CN201991446U 大型钻机二层工作台 Big rig floor Workbench
09/28/2011	CN201991443U 全液压控制桩机 Full hydraulic control pile
09/28/2011	CN201991438U 单变幅油缸式旋挖钻机 Single luffing cylinder type rotary drilling rig
09/28/2011	CN201991437U 万向摆动背轮式旋挖钻机 Universal swing back wheel rotary drilling rig
09/28/2011	CN201990456U 一种钻机整体平移装置 An overall shift device Rig
09/28/2011	CN102199990A Self-propelled device for moving whole body of drilling machine
09/28/2011	CN101748975B Fixing seat for rotary drilling rig and rotary drilling rig
09/28/2011	CN101718174B M-shaped support system of derrick for sheave platform shaped like a Chinese character mu
09/28/2011	CN101363306B Pneumatic anchor rod hammer drill
09/21/2011	CN201982015U 摆动式挖坑机 Swing digging machine
09/21/2011	CN201982014U 一种煤矿用钻机的水平角度调整装置 A coal mine with a horizontal angle adjusting device rig
09/21/2011	CN102196960A Moon pool and drillship comprising same
09/14/2011	CN201972734U 一种井架伸缩上体锁定状态警示装置 One kind of telescopic mast upper body locked state warning device
09/14/2011	CN201972610U 变位天车钻塔 Displacement crane rigs
09/14/2011	CN201972609U 滑动式折叠钻塔 Sliding folding rigs
09/14/2011	CN201972608U 一种井控专用工作台 A well controlled special table
09/14/2011	CN201972597U 钻塔前侧置塔机履一体式岩芯钻机 Front side-mounted rigs crawler crane-one core drilling rig
09/14/2011	CN201972594U 多功能液压打桩机 Multifunction hydraulic hammers
09/14/2011	CN102182402A Gas discharge drilling machine capable of positioning quickly
09/14/2011	CN102182401A Folding type fully hydraulic crawler pile driver
09/14/2011	CN102182397A Multi-angle coal petrography drilling machine
09/11/2011	CA2733776A1 Deep water offshore apparatus and assembly method
09/07/2011	CN201963220U 丛式井修井模块 Cluster wells workover module
09/07/2011	CN201963207U Jumbolter with two four-bar mechanisms
09/07/2011	CN201963200U 一种可变角度的轻便型钻机 A variable angle portable drilling rig
09/07/2011	CN201963199U 一种新型全方位钻装机钻臂 A new full-drilling boom installed
09/07/2011	CN201963198U 一种切削钻机 A cutting rig
09/07/2011	CN201963197U 可用三部液压拖车整体搬迁的钻机 Available three hydraulic trailer rig overall relocation
09/01/2011	WO2011106004A1 Pressure control device with remote orientation relative to a rig
08/2011
08/31/2011	CN201953323U 海洋石油钻井平台模块钻机新型猫道 Offshore Oil Rig Drilling Platform Module novel Catwalk
08/31/2011	CN201953318U 一种伸缩井架用折叠护笼机构 One kind of telescopic mast with folding cages agency
08/31/2011	CN201953317U 一种井架连接用气缸驱动承载机构 One kind of connection with the cylinder drive derrick loading mechanism
08/31/2011	CN201953313U 极地低温交流变频电驱动拖挂式钻机 Polar low AC variable frequency electric drive drilling rig trailer
08/31/2011	CN201953312U 极地低温机械驱动拖挂式钻机 Polar low mechanical drive trailer rig
08/31/2011	CN201953311U 全液压轮胎式凿岩锚固钻车 Hydraulic tire type drilling anchor Drill
08/31/2011	CN201953307U 旋挖钻机配重组合装置 Rotary drilling rig counterweight combination device
08/31/2011	CN102168555A Ultralow surface full-hydraulic drill type coal mining machine
08/31/2011	CN102168524A Tower-caterpillar integrated core drill machine arranged at the front side of drill tower
08/31/2011	CN101208494B Driller for rock and method for positioning drilling unit
08/24/2011	CN201943708U 高突矿井煤巷半煤岩巷掘进用防突钻挖装机 Semi high outburst coal mine coal roadway rock heading installed with anti-sudden drilling
08/24/2011	CN201943591U 带辅助顶升机构旋挖钻机大三角结构变幅机构 With auxiliary lifting mechanism of rotary drilling rig triangular structure luffing mechanism
08/24/2011	CN201943590U 水钻挖孔桩施工设备 Diamond digging pile construction equipment
08/24/2011	CN201943589U 顶板钻孔模具 Roof drilling mold
08/24/2011	CN201943588U 桅杆防抖液压系统 Mast image stabilization hydraulic system
08/24/2011	CN201943587U 伸缩式桅杆 Telescoping mast
08/24/2011	CN201943586U 一种三地锚三角形加固装置 A three-anchor triangular reinforcing means
08/24/2011	CN201943579U 一种可360度旋转推进梁的钻臂梁结构 One kind of 360-degree rotating propulsion beam boom beam structure
08/24/2011	CN201943578U 全液压自行式锚杆钻机 Self-propelled hydraulic bolt rig
08/24/2011	CN201943574U 一种自动移动钻孔装置 An automatic mobile drilling unit
08/24/2011	CN201941743U 履带式工程机械及其履带式支腿装置 Crawler construction machinery and equipment crawler legs
08/24/2011	CN102162337A 滑动式折叠钻塔 Sliding folding rigs
08/24/2011	CN102162333A Fully-electric crawler suspension remote control pile driver
08/23/2011	CA2728850A1 Track guiding system
08/23/2011	CA2666890C Construction apparatus with extendable mast and method for operating such a construction apparatus
08/23/2011	CA2519365C System and method for treating drilling mud in oil and gas well drilling applications
08/17/2011	CN201934030U 液压起落直井钻塔 Hydraulic landing vertical wells rigs
08/17/2011	CN201934020U 钻机钻孔角度调整装置 Rig drilling angle adjustment device
08/17/2011	CN201934017U 用于矿藏钻探机的步履装置 Walking device for mineral drilling machine
08/17/2011	CN102159788A Articulation assembly for moving a drill mast

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