| Patents for E21B 7 - Special methods or apparatus for drilling (22,064) |
|---|
| 09/09/2011 | WO2011085296A3 Rotary steerable tool employing a timed connection |
| 09/09/2011 | WO2011085059A3 Rotating drilling tool |
| 09/09/2011 | CA2791710A1 Completion string deployment in a subterranean well |
| 09/08/2011 | US20110214920 Universal drilling and completion system |
| 09/08/2011 | US20110214919 Dual top drive systems and methods |
| 09/08/2011 | US20110214918 Excavation Apparatuses and Methods |
| 09/08/2011 | US20110214878 Methods and Systems For Modeling, Designing, and Conducting Drilling Operations That Consider Vibrations |
| 09/08/2011 | US20110214864 Invert drilling fluids having enhanced rheology and methods of drilling boreholes |
| 09/08/2011 | DE102010010036A1 Sealing arrangement for sealing annular space formed between interior connecting rod and exterior connecting rod of drilling drive unit of drilling device, has elastic sealing element for sealing gap of annular space |
| 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 |
| 09/07/2011 | CN201963196U 路面钻孔机 Pavement Drills |
| 09/07/2011 | CN201963195U 一种用于旋塞阀的带压钻孔装置 Pressure drilling apparatus for cock |
| 09/07/2011 | CN1997807B Systems and methods for remotely determining and changing cutting modes during decoking |
| 09/07/2011 | CN101487377B Method for top-driving casing job of drilling apparatus |
| 09/07/2011 | CN101429845B Method for electric coal drill using electric hand drill bit by utilization of special-shaped drilling rod |
| 09/07/2011 | CN101117884B Boring tool drag reduction device |
| 09/06/2011 | US8011453 Drilling system and methods of drilling lateral boreholes |
| 09/06/2011 | US8011452 Steerable drilling system |
| 09/06/2011 | US8011451 Ranging methods for developing wellbores in subsurface formations |
| 09/06/2011 | US8011450 Active bottomhole pressure control with liner drilling and completion systems |
| 09/06/2011 | US8011449 Method and apparatus for directional drilling |
| 09/06/2011 | US8011448 Rotary steerable tool |
| 09/06/2011 | US8011447 Automated drill string position survey |
| 09/06/2011 | US8011446 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell |
| 09/06/2011 | US8011436 Through riser installation of tree block |
| 09/06/2011 | US8011435 Subsea lateral drilling |
| 09/06/2011 | CA2513430C Modular pipe breaking assembly and method |
| 09/01/2011 | WO2011106514A2 Cleaning apparatus and method for a material dryer |
| 09/01/2011 | WO2011106078A2 Transmission of light through light absorbing medium |
| 09/01/2011 | WO2011104441A1 Rock drilling rig, method for rock drilling, and control system of rock drilling rig |
| 09/01/2011 | WO2011104440A1 Method of presenting positioning information, user interface, and rock drilling rig |
| 09/01/2011 | US20110209918 Increased energy impact tool |
| 09/01/2011 | US20110209877 Apparatus for, and method of, landing items at a well location |
| 09/01/2011 | CA2789957A1 Rock drilling rig, method for rock drilling, and control system of rock drilling rig |
| 09/01/2011 | CA2789955A1 Cleaning apparatus and method for a material dryer |
| 09/01/2011 | CA2784074A1 Method of presenting positioning information, user interface, and rock drilling rig |
| 08/31/2011 | CN201956709U 修井机蓄电池组充放电的控制装置 Control device workover battery charge and discharge |
| 08/31/2011 | CN201953367U 井下钻孔钻压一体化分段压裂装置 Downhole drilling WOB staged fracturing device integration |
| 08/31/2011 | CN201953324U 通井机高压油泵与气泵联接器 Hoist high-pressure pumps and pump coupling |
| 08/31/2011 | CN201953314U 冲击式钻机斜孔修正器 Impact drill inclined holes corrector |
| 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 | CN201953310U 用于钻探设备的车载安全防护装置 Car safety devices for drilling equipment |
| 08/31/2011 | CN102168575A Loose blasting gas extraction technology of horizontal branch well of coal seam floor |
| 08/31/2011 | CN102168558A Self-walking lifting full-hydraulic auger coal mining machine |
| 08/31/2011 | CN102168555A Ultralow surface full-hydraulic drill type coal mining machine |
| 08/31/2011 | CN102168545A Coiled tubing supercritical CO2 jet fracturing method |
| 08/31/2011 | CN102168529A Bolt-driven double-cone locking piece type riser connector |
| 08/31/2011 | CN102168524A Tower-caterpillar integrated core drill machine arranged at the front side of drill tower |
| 08/31/2011 | CN101929309B Gas lift reverse circulation drilling process |
| 08/31/2011 | CN101208494B Driller for rock and method for positioning drilling unit |
| 08/30/2011 | US8006785 Casing and liner drilling bits and reamers |
| 08/30/2011 | US8006783 Helical drilling apparatus, systems, and methods |
| 08/30/2011 | US8006782 Sonic drill head |
| 08/30/2011 | US8006780 Method of attachment of a towing anchor to an iceberg |
| 08/30/2011 | US8006769 Shearing tool and methods of use |
| 08/30/2011 | US8006764 Adjustable threaded hanger |
| 08/30/2011 | CA2621438C Method of drilling a bore hole |
| 08/25/2011 | WO2011103570A2 Reverse circulation apparatus and methods for using same |
| 08/25/2011 | WO2011103270A2 Apparatus, system and method for releasing fluids from a subsea riser |
| 08/25/2011 | WO2011100966A2 Method and device for direction-controlled drilling |
| 08/25/2011 | WO2011041532A4 Earth-boring tools having expandable members and related methods |
| 08/25/2011 | WO2011017584A3 Drilling rig with hinged, retractable outriggers |
| 08/25/2011 | US20110206459 Appatus and methods for forming and using subterranean salt cavern |
| 08/25/2011 | US20110205652 Transmission of light through light absorbing medium |
| 08/25/2011 | US20110203851 T-Frac System Run in System |
| 08/25/2011 | US20110203850 Methods of drilling using differing types of cutting elements |
| 08/25/2011 | US20110203849 Expandable Reamers for Earth Boring Applications |
| 08/25/2011 | US20110203848 Reverse Circulation Apparatus and Methods of Using Same |
| 08/25/2011 | US20110203847 Downhole Hydraulic Jetting Assembly, and Method for Stimulating a Production Wellbore |
| 08/25/2011 | US20110203845 System and method for optimizing drilling speed |
| 08/25/2011 | US20110203395 Vibrational apparatus |
| 08/25/2011 | DE102010004609A1 Bit less drilling system for drilling deep holes in e.g. tunnel for mounting power cable, has casing designed as lattice and made of plastic with low temperature, metal and ceramics, and device manipulating rock and borehole wall |
| 08/25/2011 | CA2790484A1 Reverse circulation apparatus and methods for using same |
| 08/24/2011 | EP2358968A1 Pressure and flow control in drilling operations |
| 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 | CN201943615U 气体钻井降尘装置 Gas drilling dust controller |
| 08/24/2011 | CN201943580U 机械式导向钻具 Mechanical drill guide |
| 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 | CN201943577U Longhole drill carriage angle adjusting mechanism for mines |
| 08/24/2011 | CN201943576U 带泵箱 Tank with pump |
| 08/24/2011 | CN201943575U 一种大马力履带式通井机滚筒支架总成 One kind of high-powered crawler tractor hoist drum bracket assembly |
| 08/24/2011 | CN201943574U 一种自动移动钻孔装置 An automatic mobile drilling unit |
| 08/24/2011 | CN201943573U 新型钻孔用钻机 The new drilling rig |
| 08/24/2011 | CN201943570U 旋挖钻机上车回转限速系统 Rotary drilling rig rotary speed limit system on the car |
| 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 | CN102165134A Modular rotary drill head |
| 08/24/2011 | CN102165119A Deep sea mining riser and lift system |
| 08/24/2011 | CN102162367A Arrangement method for gas drainage drill sites of highly-gassy fully-mechanized top-coal caving surface |
| 08/24/2011 | CN102162355A Geosteering method for landing horizontal well |
| 08/24/2011 | CN102162341A Hydraulic drive claw installation tool |
| 08/24/2011 | CN102162336A Locating device for rotary steering drilling tool of motor pump |
| 08/24/2011 | CN102162335A A hole-forming method of drilling through an underground structure in an aquifer sand layer from the ground |