Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › 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)
08/2010
08/25/2010CN101812974A Lifting platform of construction vehicle
08/24/2010US7779904 Guide rail plate for top drive of a drilling system
08/19/2010DE19983531B4 Ummantelung zur Geräuschdämpfung bei einer Gesteinsbohrausrüstung Jacket for noise attenuation at a rock drilling
08/18/2010CN201554377U Lateral moving frame of drilling machine cantilever
08/18/2010CN201554376U Positioning frame of drill rod
08/18/2010CN201554364U Drilling equipment with double power heads
08/18/2010CN101809248A Land rig
08/18/2010CN101806219A Two-piece all-hydraulic tunnel drilling machine
08/17/2010US7777612 Theft prevention device for automotive vehicle service centers
08/11/2010CN201546632U All-hydraulic outburst-prevention gas front hole drainage drilling machine
08/11/2010CN201546631U Telescopic mast drill derrick
08/11/2010CN201546630U Novel control device for clasping of drill stand of drill machine
08/11/2010CN201546629U Mast device and rotary excavating drilling machine comprising same
08/11/2010CN201546628U Novel trailing drilling table
08/11/2010CN101798906A 支撑装置 Support device
08/11/2010CN101392629B Portable all-hydraulic core drilling rig
08/10/2010CA2612219C Arrangement for positioning drilling unit
08/04/2010CN201541214U Power supply device of solar photovoltaic generating system used on offshore oil platform
08/04/2010CN201539213U Movable long-hole drilling machine platform
08/04/2010CN201539212U Novel drilling machine
08/04/2010CN201539211U Double-rig drilling system
08/04/2010CN101793123A Drilling machine three-sliding system of multifunctional self-elevating supporting platform for ocean oil field
08/03/2010US7765749 Fast moving drilling rig
07/2010
07/29/2010WO2010050680A3 Moon pool and drillship comprising same
07/28/2010CN101787853A Guide rail for drilling-production equipment and connection method thereof
07/27/2010US7762358 Sensor assembly in a gearbox for positioning
07/21/2010EP2208853A2 Drilling vessel and method
07/21/2010CN101781972A Crawler-type lifting top and slope bolt and anchor construction drill
07/21/2010CN101781971A Automatic mast angle adjustment device for core-drilling machine
07/21/2010CN101781970A Steel wire rope guide device used for rotary drilling rig and rotary drilling rig
07/15/2010CA2649904A1 Adjustable work platform for pipe and casing stabbing operations
07/14/2010CN201526275U Drilling machine base
07/14/2010CN201526274U Straddle type drill bench
07/14/2010CN201526271U Crawler-type all-hydraulic tunnel drilling machine
07/14/2010CN201526265U Engineering drill
07/08/2010WO2010042937A3 Semi-submersible offshore structure
07/07/2010EP2204500A1 Excavator with pivoting kelly
07/07/2010EP2204499A1 Excavator machine with a kelly equipped with cavities opening on two faces
07/07/2010CN201523344U Power supply device adopting solar photovoltaic power generation system for petroleum drilling towers
07/07/2010CN201521252U Automatic docking device of top drive derrick guide rail plate
07/07/2010CN101769128A Connecting mechanism for dual shaft drilling machine
07/07/2010CN101769127A Dual shaft-well drill
07/06/2010US7748471 Mobile self-erecting directional drilling rig apparatus
07/06/2010CA2502698C Drill head steering
07/01/2010WO2010072108A1 Walking and modular and self-elevating drilling platform
06/2010
06/30/2010CN101761341A Simple wellhead frame structure and construction method
06/30/2010CN101761309A Stoper
06/23/2010CN201513129U Drill stem limiting mechanism of rotary drilling rig
06/23/2010CN201513127U External hanging drilling slot of offshore platform
06/23/2010CN201513126U Straight-oblique dual purpose hydraulic steel rope drilling tower
06/23/2010CN201513120U Longitudinal and transversal movement device of drilling machine
06/23/2010CN101749040A Narrow multi-angle boring tower device
06/23/2010CN101748975A Fixing seat for rotary drilling rig and rotary drilling rig
06/23/2010CN101213351B Drill slide for rock drilling apparatus
06/23/2010CN101082266B Joint method for oil-well rig boring tower
06/23/2010CN101029489B Construction equipment and method for preparing said equipment for transportation
06/17/2010WO2010068230A1 Open face derrick
06/17/2010WO2010065993A1 Removal/fitting of subsea sealing plug(s)
06/16/2010CN201507246U Safety work platform on top of drilling frame of YZ-35 roller mill
06/16/2010CN101737014A Sinking headframe of large-diameter deep vertical shaft
06/16/2010CN101737013A Sinking headframe double-layer sheave wheel platform system
06/16/2010CN101737003A Hydraulic walking type heavy-caliber gantry pile machine
06/16/2010CN101298832B Gin pole turnover mechanism
06/15/2010CA2522569C Structural connector for a drilling rig substructure
06/10/2010WO2010025361A3 Floating oil storage system and method
06/10/2010WO2010020215A3 Drilling rig and mounting method therefor
06/10/2010WO2010020214A3 Drilling station
06/10/2010US20100143044 Method and System for Building Modular Structures from Which Oil and Gas Wells are Drilled
06/10/2010US20100141012 Method of quarrying dimensional stone, and line drilling apparatus
06/09/2010CN201502329U Double-cone single-bevel tower-shaped derrick for offshore drilling and workover machines
06/09/2010CN201502328U Lifting device used for anchoring rotary spraying drilling machine
06/09/2010CN201502325U Supporting device which can be located by self and adjusted in vernier way
06/09/2010CN101725326A Modular assembly type offshore platform hydraulic energy-storing workover rig
06/08/2010US7730973 Housing arrangement for a drill rig
06/02/2010CN201495992U Embedded movable connecting structure slide plate of rail movable drilling machine
06/02/2010CN101718174A M-shaped support system of derrick for sheave platform shaped like a Chinese character mu
05/2010
05/26/2010CN201486579U Drilling anchor rod hole positioning device
05/26/2010CN201486474U Adding slot device on offshore platform
05/26/2010CN201486473U Novel derrick and base continuously lifted by using same lifting rope series
05/26/2010CN201486469U Anchoring device of trenchless directional drilling machine
05/26/2010CN201486467U Fully hydraulic top-drive truck-mounted drilling rig
05/26/2010CN201486466U Trestle column type double-arrangement hydraulic outburst-prevention drill
05/19/2010CN201474620U Derrick docking mechanism
05/19/2010CN201474619U Gangue dumping platform support device
05/19/2010CN201474609U Runner wagon type drilling rod heave compensation device for floating drilling platform
05/19/2010CN201474606U Device for transportation and installation of derrick hoisting hydraulic cylinder
05/19/2010CN101709640A Hydraulic rotary crude oil burner boom
05/18/2010US7717196 Angle drilling device
05/13/2010US20100116555 Noise-dampening shield structure for rock drilling apparatus
05/13/2010US20100116507 Mobile equipment for riserless drilling, well intervention, subsea construction and the like from a vessel
05/12/2010CN201460780U Seabed deep hole core drilling rig
05/12/2010CN201460751U Novel drilling machine base
05/12/2010CN201460750U Drill block supporting stand column for conveying pipe tool
05/12/2010CN201460749U Headsheave platform device for sinking headframe
05/12/2010CN201460730U Drilling machine for bored pile construction
05/12/2010CN201460725U Split-type light prospecting drill
05/12/2010CN201460724U Permafrost steam drilling pile machine
05/12/2010CN201460711U Top and side dual-purpose pneumatic jumbolter
05/12/2010CN201460710U Full-hydraulic geological drilling rig
05/11/2010US7712545 Telescopic feed beam for rock drill
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