| Patents for E21B 7 - Special methods or apparatus for drilling (22,064) |
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| 08/20/2014 | EP2766567A1 Apparatus and method for determining the direction east |
| 08/19/2014 | US8807875 Ice worthy jack-up drilling unit with conical piled monopod and sockets |
| 08/19/2014 | US8807448 Foldable or detachable feed rail for rock drill |
| 08/19/2014 | US8807244 Method and apparatus for strengthening a wellbore |
| 08/19/2014 | US8807243 Methods and systems for controlling torque transfer from rotating equipment |
| 08/19/2014 | US8807208 Method for using a power swivel with tilt |
| 08/19/2014 | CA2570538C Steerable drill bit arrangement |
| 08/14/2014 | WO2014124254A2 Interferometric processing detect subterranean geological boundaries |
| 08/14/2014 | WO2014123517A1 Systems and methods for rotationally orienting a whipstock assembly |
| 08/14/2014 | US20140224543 Side Saddle Substructure |
| 08/14/2014 | US20140224541 Box Frame Spreader Beam |
| 08/13/2014 | EP2765272A1 Rock drilling unit and method of changing drill rods |
| 08/13/2014 | CN203769671U 水平井对接强磁短节 Butt magnetic short section of horizontal wells |
| 08/13/2014 | CN203769654U 挤扩灌注桩的施工装置 Squeeze pile construction plant expansion |
| 08/13/2014 | CN203769653U 一种电机驱动的水平定向钻机 A motor-driven horizontal directional drilling |
| 08/13/2014 | CN203769652U 适用于城市环境施工的水平定向钻孔系统 The level of the urban environment is suitable for the construction of directional drilling system |
| 08/13/2014 | CN203769651U 多功能一体式自动换杆潜孔钻机 Multifunctional automatic switching clubs submersible drilling rig |
| 08/13/2014 | CN203769650U 一种拖拉机钻孔机 One kind of tractor Drills |
| 08/13/2014 | CN203769649U 一种液压凿岩推进系统连接装置 A hydraulic drilling propulsion system connecting device |
| 08/13/2014 | CN203769648U 公路基层钻孔机 Road base drilling machine |
| 08/13/2014 | CN203769647U 具有平移换杆装置的地源热泵钻机设备 Shift-change lever device of ground source heat pump drilling equipment |
| 08/13/2014 | CN103982138A 一种钻机用自动扩大式钻头 One kind of drills, drill bits automatically expand |
| 08/13/2014 | CN103982137A 一种煤矿井下水力压裂钻孔方位角设计方法 One kind of underground mine design method of hydraulic fracturing drilling azimuth |
| 08/13/2014 | CN103982136A 小口径取心钻进深孔和特深孔的方法 Small caliber core drilling deep hole and special methods |
| 08/13/2014 | CN103982135A 旋挖桩机孔底注水变齿多功能穿岩钻 Auger pile bottom of the hole injection becomes multifunctional tooth wear rock drill |
| 08/13/2014 | CN101946056B 钻具构件、钻杆和相应的钻杆列组 Drill members, the drill pipe and drill column groups corresponding |
| 08/12/2014 | US8805614 Downhole sample analysis method |
| 08/12/2014 | US8801333 Ice worthy jack-up drilling unit with gas agitation and leg ice shields |
| 08/12/2014 | US8800687 Steerable system |
| 08/12/2014 | US8800666 Method for lightening a riser pipe with optimized wearing part |
| 08/12/2014 | CA2644919C Separation device for material from a drilling rig situated on the seabed |
| 08/12/2014 | CA2642614C Method and device for controlling the drilling direction of a rock-drilling rig |
| 08/12/2014 | CA2628933C A bearing in connection with a boom |
| 08/12/2014 | CA2595527C Sensor assembly in a gearbox for positioning |
| 08/07/2014 | WO2014120085A1 Buddy cantilever system for jack up rigs for use with self elevating drilling rigs (oil & gas industry) |
| 08/07/2014 | WO2013192524A3 System an method for determining incremental progression between survey points while drilling |
| 08/07/2014 | WO2013112296A8 Providing coupler portions along a structure |
| 08/07/2014 | US20140216822 Boring machine |
| 08/07/2014 | US20140216821 Flow control diverter valve |
| 08/07/2014 | US20140216819 System and method for coupling a drill bit to a whipstock |
| 08/07/2014 | US20140216818 Interferometric processing to detect subterranean geological boundaries |
| 08/07/2014 | US20140216815 Multi-operational multi-drilling system |
| 08/07/2014 | US20140216760 Systems and Methods for Rotationally Orienting a Whipstock Assembly |
| 08/07/2014 | US20140216745 Method of drilling and running casing in large diameter wellbore |
| 08/07/2014 | US20140216744 Method of intersecting a first well bore by a second well bore |
| 08/07/2014 | DE102013018585A1 Verfahren und Vorrichtungen zur Vergrößerung eines Bohrlochs und zur gleichzeitigen Verlegung einer Rohrleitung in das vergrößerte Bohrloch Methods and apparatus for enlarging a borehole and simultaneously laying a pipeline in the enlarged borehole |
| 08/06/2014 | CN203756034U 一种水力扩张式随钻扩眼器 One kind of hydraulic drilling expandable reamer |
| 08/06/2014 | CN203756033U 开环式导向钻井钻具组合 Open-loop steering drilling BHA |
| 08/06/2014 | CN203756032U 一种曲面道路结构层钻芯取样车 One kind of road surface structure layer drilled core samples car |
| 08/06/2014 | CN203756031U 多功能机载式锚杆钻机 Multifunction Airborne type Roofbolter |
| 08/06/2014 | CN203756030U 一种钻机装置 One kind of rig equipment |
| 08/06/2014 | CN203756029U 一种气动架柱式钻机 One kind of pneumatic frame pillar drill |
| 08/06/2014 | CN203756028U 一种钻柱半程旋转工具 One kind of half drillstring rotation tool |
| 08/06/2014 | CN103975118A 钻头应用的前瞻预测 Prospective prediction bit applications |
| 08/06/2014 | CN103975117A 改进的钢缆式钻井系统 Improved cable drilling system |
| 08/06/2014 | CN103967855A 非开挖水平定向钻机推拉合流液压系统 Trenchless horizontal directional drilling sliding confluence hydraulic system |
| 08/06/2014 | CN103967424A 一种钻井机的底盘、钻井机 One kind of chassis drilling machine drilling machine |
| 08/06/2014 | CN103967413A 瓦斯抽采钻孔下套管装置 Gas extraction borehole casing under mining equipment |
| 08/06/2014 | CN103967412A 旋流鞋 Swirl Shoes |
| 08/06/2014 | CN103967411A 母井分支装置，其制造方法和使用其钻分支井的方法 Parent well branching device, its manufacturing method and its use method of drilling wells |
| 08/06/2014 | CN103967410A 分段钻具稳定器 Segmented drill stabilizer |
| 08/06/2014 | CN103967409A 一种矿山用履带多头凿岩钻机 One kind of mine with crawler drilling rig bulls |
| 08/06/2014 | CN103967024A 一种在深厚砂卵石地层中成孔成槽的联合施工方法 Into a joint construction method in a deep hole into the groove in the sand and gravel stratum |
| 08/06/2014 | CN102839917B 回转热熔钻头 Rotary hot melt drill |
| 08/06/2014 | CN102777125B 可监控电液控制桩基础扩底装置 Monitors electro-hydraulic control unit belled pile foundation |
| 08/05/2014 | US8794354 Extendable cutting tools for use in a wellbore |
| 08/05/2014 | US8794352 Drilling fluid recovery when drilling under an obstacle or water body |
| 08/05/2014 | US8794351 Device and method for drilling with continuous tool rotation and continuous drilling fluid supply |
| 08/05/2014 | US8794336 Tool for connecting pipelines |
| 08/05/2014 | US8794334 Modular subsea completion |
| 08/05/2014 | CA2740432C Sonic drill head |
| 08/05/2014 | CA2710222C Steerable drilling system |
| 08/05/2014 | CA2673197C Method and apparatus for lateral well drilling with enhanced capability for clearing cuttings and other particles |
| 08/05/2014 | CA2591362C Method of and apparatus for pulling a pipe |
| 08/01/2014 | CA2804354A1 System, method, and model of a drilling rig for horizontal, lateral, and directional drilling that is adjustable in real time |
| 07/31/2014 | WO2014116119A1 Inclined conductor device |
| 07/31/2014 | WO2013152075A3 Drilling control system |
| 07/31/2014 | US20140209390 Wellbore Fluids Comprising Mineral Particles and Methods Relating Thereto |
| 07/31/2014 | US20140209389 High Dogleg Steerable Tool |
| 07/31/2014 | US20140209388 Wellbore Fluids Comprising Mineral Particles and Methods Relating Thereto |
| 07/31/2014 | DE102014101053A1 Zusammenbau des Gestein-Kernbohrers im Rotary Bohrverfahren Assembly of the rock core drill in Rotary drilling |
| 07/31/2014 | DE102012010199B4 Verfahren und Vorrichtung zum Erstellen eines Bohrloches Method and apparatus for creating a borehole |
| 07/30/2014 | EP2758633A2 Shield driving device |
| 07/30/2014 | CN203742920U 双柱塞式高压磨料注入装置 Dual-piston high-pressure abrasive injection device |
| 07/30/2014 | CN203742486U 一种液压驱动钻机 A hydraulic drive drilling rig |
| 07/30/2014 | CN203742450U 径向水力振动器 Radial hydraulic vibrator |
| 07/30/2014 | CN203742449U 粒子立式注入装置 Vertical particle injection device |
| 07/30/2014 | CN203742448U 全液压山地勘探履带钻机 Full hydraulic crawler drilling rig mountain exploration |
| 07/30/2014 | CN203742447U 带旋转操纵室总成的修井机 With rotating cab assembly workover |
| 07/30/2014 | CN203742446U 一种自行式钻孔机 One kind of self-propelled drilling machine |
| 07/30/2014 | CN203742445U 车载式钻孔取芯机 Truck-mounted coring machine |
| 07/30/2014 | CN203742444U 风冷取芯钻机 Air-cooled coring rig |
| 07/30/2014 | CN203742443U 护筒压拔钻机 Casing pressure pulling rig |
| 07/30/2014 | CN203742442U 一种步履式多功能组合钻机 One kind of walker multifunction rig |
| 07/30/2014 | CN203742441U 一种可变桅杆的旋挖钻机 A variable rotary drilling rig mast |
| 07/30/2014 | CN203742440U 一种锚杆锚索钻车 One kind of anchor bolt Drill |
| 07/30/2014 | CN203742439U 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 |
| 07/30/2014 | CN203742438U 一种强化井壁的钻井装置 A borehole drilling apparatus to strengthen |
| 07/30/2014 | CN203742437U 一种水力加压器 One kind of hydraulic pressurizer |
| 07/30/2014 | CN203742436U 动力扰动钻具 Dynamic disturbance drill |