Patents for E21B 15 - Supports for the drilling machine, e.g. derricks or masts (4,619)
10/2013
10/02/2013CN103339340A Fast transportable drilling rig system
10/02/2013CN103334702A Supporting leg for rock drilling trolley
09/2013
09/26/2013WO2013142874A1 Retractable cable tray for vertical structures
09/26/2013WO2012036630A9 Raised cantilever for easy access (rcea) used on self elevating drilling rigs (offshore energy sector)
09/25/2013EP2642065A2 Substructure module for a mobile onshore drilling installation and method for constructing and dismantling such substructure modules
09/25/2013EP2642064A1 Drilling rig
09/25/2013EP2641829A1 Temperature and pressure monitoring system of sealed derrick structure
09/25/2013CN203213958U Drilling boom of drill loader
09/25/2013CN203213956U Drill boom for integrated drilling machine
09/25/2013CN203213955U Arch center pipe shed drilling rig
09/25/2013CN203213953U Hydraulic engineering driller provided with power heads
09/25/2013CN103328756A Method, system and apparatus for deployment of umbilicals in subsea well operations
09/25/2013CN103321581A Land rig
09/25/2013CN103321570A Downhole drill for granite cutting guide hole breaking and application method thereof
09/25/2013CN102061882B Multifunctional self-propelled tower-machine integrated core drill machine
09/25/2013CN101942963B Vehicle hydraulic drill
09/24/2013US8540023 Produced water disposal
09/18/2013EP2639399A1 Fast moving drilling rig
09/18/2013EP2638231A1 Controlled hydrostatic pressure completion system
09/18/2013CN203201554U Mobile platform for efficient-type multifunctional excavating loader with hole-drilling and rock-drilling functions
09/18/2013CN203201483U Drill floor mechanism in petroleum drilling and repairing equipment
09/18/2013CN203201482U Drilling floor matched with drilling machine or service machine for oil and gas fields
09/18/2013CN203201481U Pawl stepping-type movable guide rail of drilling machine
09/18/2013CN203201480U Fast positioning bottom frame
09/18/2013CN203201479U Electric device for performing ceiling drilling operation from ground
09/18/2013CN103313911A Damper structure for a sealed derrick
09/18/2013CN103313910A Sealed derrick structure for polar vessels
09/18/2013CN103306609A Adjustable support frame used for drilling hole upward and vertically
09/17/2013CA2682341C Sound dampening housing for rock drill
09/12/2013WO2013109147A3 Displaceable drilling rig comprising a drilling tower
09/12/2013WO2012165954A3 Land based earth boring system
09/11/2013EP2636591A1 Damper structure for a sealed derrick
09/11/2013EP2636588A1 Drilling ship for a polar region
09/11/2013EP2636587A1 Drilling ship for polar region
09/11/2013EP2636586A1 Sealed derrick structure for polar vessels
09/11/2013EP2635760A1 Drilling device for use especially during directional drilling for recovery of geothermal energy
09/11/2013CN203189974U Lateral movement device
09/11/2013CN203188920U Horizontal directional drilling machine drilling stand and horizontal directional drilling machine
09/11/2013CN203188919U Multifunctional hydraulic drill rig drill arm vertical rotating mechanism
09/11/2013CN203188918U Platform system of oil drilling rig drill floor and outer-mounted operation platform of oil drilling rig drill floor
09/11/2013CN203188917U Base device of core drill for drilling long and thin holes
09/11/2013CN203188905U Multi-functional drill carriage
09/11/2013CN103291225A Drilling rig and rig frame thereof
09/11/2013CN103291210A Gate-type double-tower gear-driven drilling machine
09/11/2013CN103290823A Wellhead frame mounting guide device
09/04/2013CN203175409U Mine drilling machine
09/04/2013CN203175408U Petroleum drilling machine derrick
09/04/2013CN203175407U Upper-air hole punching electric hammer moving support
09/04/2013CN203175406U Electric well drill
09/04/2013CN203175398U Frame structure for coal mine hydraulic drilling rig
09/04/2013CN203175396U Multifunctional hydraulic anchor rod drill carriage
09/04/2013CN203175389U Modular easy-transition kilometer-grade rock core drilling equipment
09/04/2013CN203175388U Roof suspension expansion screw puncher
09/04/2013CN103282273A Drilling ship for polar region
09/04/2013CN103282272A Damping apparatus for moonpool
09/04/2013CN103277123A Movable sliding seat mechanism for mounting onboard drilling machines
09/04/2013CN103277052A Booster for electric hammers
09/04/2013CN103277045A Column type emulsion drilling machine for coal mines
09/04/2013CN103276722A Low-clearance pile frame and application method for same
08/2013
08/28/2013CN203161815U Hinge and carrying platform using same
08/28/2013CN203161097U Base of hydraulic drilling rig
08/28/2013CN203161096U Rapid drilling machine for roads
08/28/2013CN203161095U Drilling machine and rotary device thereof
08/28/2013CN203161084U Multifunctional rotary drilling rig
08/28/2013CN203161080U Agricultural well drilling device
08/28/2013CN203161076U Pile foundation drilling machine with ultra-large aperture
08/28/2013CN103270239A Offshore tower for drilling and/or production
08/28/2013CN103270221A Offshore tower for drilling and/or production
08/28/2013CN103269949A Polar vessel having a derrick
08/28/2013CN103266857A Horizontal directional drilling machine drilling stand capable of being conveniently assembled
08/28/2013CN103266856A Rotary drilling rig and follow-up frame thereof
08/28/2013CN102913130B Full-hydraulic rock-drilling excavator using hydraulic excavator for production
08/28/2013CN102505920B Two-winch hydraulic lifting drill tower
08/28/2013CN101581199B Bracket for smoke exhaust pipe of main generator of semisubmersible drilling platform and setting method thereof
08/22/2013WO2013123221A1 Drill rig moving system
08/21/2013CN203145972U Pneumatic anchor rod drilling rig
08/21/2013CN203145844U Downhole drilling rig hydraulic slope adjustment device
08/21/2013CN203145843U Drilling machine stabilizing fixing device
08/21/2013CN203145842U Self-moving type drilling machine stabilizing support device
08/21/2013CN203145841U Fragment blocking wall perforating device
08/21/2013CN203145825U Oversized-aperture pile foundation drilling machine
08/21/2013CN103261019A Temperature and pressure monitoring system of sealed derrick structure
08/21/2013CN103261018A Drilling ship for a polar region
08/21/2013CN103256010A Method of assembling drilling rigs
08/21/2013CN103256009A Door type derrick with crown block adjustable in transverse direction and longitudinal direction
08/21/2013CN102418480B Riser support device under ultra-deep sea water
08/15/2013US20130206476 Remotely operable underwater drilling system and drilling method
08/14/2013EP2626288A1 Damping apparatus for moonpool
08/14/2013CN203129968U Angle adjusting mechanism of horizontal directional drilling machine
08/14/2013CN203129967U Light drilling machine
08/14/2013CN203129966U Supporting rod for drill tower
08/14/2013CN203129955U Broaching jumbolter
08/14/2013CN203129952U Non-excavation horizontal directional drilling machine
08/14/2013CN203129949U Simple spiral drilling machine
08/14/2013CN203129948U Multifunctional cutting drilling machine
08/14/2013CN203129944U Vertical drilling device
08/14/2013CN103244058A Skid-mounted positioning drilling machine underground coal mine
08/14/2013CN103244057A Square box structure
08/08/2013WO2013065013A3 Drilling arrangement
08/07/2013CN203114210U Grounded rotary liftable drilling tool system for pile drivers
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