| Patents for E21B 15 - Supports for the drilling machine, e.g. derricks or masts (4,619) |
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| 05/06/2010 | WO2010050680A2 Moon pool and drillship comprising same |
| 05/06/2010 | WO2010017200A3 Subsea differential-area accumulator |
| 05/05/2010 | CN201448063U Hydraulic lifting and folding high support for oil rig derrick |
| 05/05/2010 | CN201448062U Fast moving drilling machine derrick |
| 05/05/2010 | CN201448061U Stretching drilling rig for driller |
| 05/05/2010 | CN201448060U Tripod of derricking mechanism of rotary drilling rig |
| 05/05/2010 | CN201448059U Transport device for the whole oil rig derrick |
| 05/05/2010 | CN201448050U Rapid lifting mechanism of hoisting frame of trench coring machine |
| 05/02/2010 | CA2642720A1 Adjustable work platform for pipe and casing stabbing operations |
| 04/29/2010 | WO2009001133A3 Land rig |
| 04/28/2010 | CN201443304U Large-scale temporary supporting device for derrick structure erection |
| 04/22/2010 | WO2010020215A8 Drilling rig and mounting method therefor |
| 04/22/2010 | WO2010020214A8 Drilling station |
| 04/21/2010 | EP2176492A1 Method and apparatus for drilling hole into bedrock |
| 04/21/2010 | CN101696620A Drilling system of semi-submersible type drilling platform |
| 04/15/2010 | WO2010042937A2 Semi-submersible offshore structure |
| 04/14/2010 | EP2173964A1 Drilling tower device and drilling machine system |
| 04/14/2010 | CN201437713U Drillrig angle adjusting and supporting mechanism |
| 04/06/2010 | CA2563177C Jacking frame having a wellhead centralizer |
| 03/31/2010 | EP2167781A1 Well apparatus |
| 03/31/2010 | CN201433745Y Wheeled oil pumping unit |
| 03/31/2010 | CN201433721Y Drilling rod anchor trail |
| 03/31/2010 | CN201433720Y Derrick reinforcing device |
| 03/31/2010 | CN201433719Y Novel racking platform |
| 03/31/2010 | CN201433714Y Water well drilling machine |
| 03/31/2010 | CN201433712Y hydraulic high-speed drilling machine |
| 03/31/2010 | CN201433711Y Drilling equipment used for dig drilling machine |
| 03/31/2010 | CN201433709Y Novel drill feeding device |
| 03/31/2010 | CN101688432A Method and apparatus for drilling hole into bedrock |
| 03/25/2010 | WO2010033935A2 Pivotable tower for angled drilling |
| 03/25/2010 | WO2010033534A1 Articulation assembly for moving a drill mast |
| 03/25/2010 | US20100071958 Blast Hole Drill Bit Carousel And A Blast Hole Drill Including A Blast Hole Drill Bit Carousel |
| 03/25/2010 | US20100071906 System and method for simultaneous sea drilling operations |
| 03/24/2010 | CN201430484Y Supporting stand for main generator exhaust pipe of semi-submersible drilling platform |
| 03/24/2010 | CN201428385Y Multifunctional drilling machine and mast rotary device thereof |
| 03/24/2010 | CN201428384Y Mine pneumatic frame column type driller bracket |
| 03/24/2010 | CN101680268A Method of quarrying dimensional stone, and line drilling apparatus |
| 03/24/2010 | CN101680267A Sound dampening housing for rock drill |
| 03/23/2010 | US7681660 Arrangement for positioning drilling unit |
| 03/19/2010 | CA2679189A1 Blast hole drill bit carousel and a blast hole drill including a blast hole drill bit carousel |
| 03/18/2010 | US20100065336 Top drive systems with main shaft deflecting sensing |
| 03/18/2010 | US20100065335 Articulation assembly for moving a drill mast |
| 03/17/2010 | CN201424928Y Feeding mechanism of water well drilling jig |
| 03/17/2010 | CN101675208A Mobile equipment for riserless drilling, well intervention, subsea construction and the like from a vessel |
| 03/17/2010 | CN101675206A Rig engine control |
| 03/17/2010 | CN101672164A Device for adding and hanging well slots for marine platform |
| 03/11/2010 | WO2010027380A1 Feed mechanism for drilling systems |
| 03/11/2010 | CA2735906A1 Feed mechanism for drilling systems |
| 03/10/2010 | CN201420506Y Drilling tower automatic landing device for small-sized drill rig |
| 03/10/2010 | CN201420505Y Drilling safety runway |
| 03/10/2010 | CN101666214A Driller support device |
| 03/10/2010 | CN101666213A Automatic butt-joint device of top drive derrick guide rail plate |
| 03/10/2010 | CN100593624C Mine using great steel derrick lifting special tool |
| 03/04/2010 | WO2010025361A2 Floating oil storage system and method |
| 03/03/2010 | CN201416390Y Lift type coal mine gallery gas drill |
| 02/25/2010 | WO2010020215A2 Drilling rig and mounting method therefor |
| 02/25/2010 | WO2010020214A2 Drilling station |
| 02/25/2010 | DE102008038456A1 Bohranlage Drilling rig |
| 02/25/2010 | DE102008038391A1 Bohranlage und Montageverfahren für diese Drilling and installation procedures for this |
| 02/24/2010 | CN201412073Y Desert rope stretching pile |
| 02/24/2010 | CN201412072Y Rope stretching pile |
| 02/24/2010 | CN201412071Y Vehicle body suspension balancing device |
| 02/24/2010 | CN201412070Y Drilling rig rail mounting device |
| 02/24/2010 | CN201412069Y Tripod connecting and luffing mechanism of rotary drilling rig |
| 02/24/2010 | CN201410681Y Special cutting model frame device for main chord pipe of platform legs |
| 02/24/2010 | CN101655001A Underground workshop rock wall beam trench steel tube drilling sample frame and construction method thereof |
| 02/18/2010 | WO2010019858A1 Multi-function multi-hole drilling rig |
| 02/18/2010 | US20100038088 Multi-function multi-hole drilling rig |
| 02/18/2010 | DE102008037339A1 Piling and drilling device for carrier device, has guide pole and gibbet or roller body arranged at guide pole or at component of device, where guide pole and component have guide in upper end area in vertical position |
| 02/18/2010 | DE102008037338A1 Ram- and/or bore device for use in supporting device, has lead implemented as sliding lead and displaceably guided using lead guide, and adjusting device arranged at lead for adjusting lead along lead guide |
| 02/18/2010 | CA2731107A1 Multi-function multi-hole drilling rig |
| 02/17/2010 | CN201406991Y Add-on well slot of offshore platform |
| 02/17/2010 | CN201406990Y Luffing device of rotary drilling rig |
| 02/17/2010 | CN101649723A Novel trailing drilling platform |
| 02/11/2010 | WO2010017200A2 Subsea differential-area accumulator |
| 02/10/2010 | EP2150673A1 Method of quarrying dimensional stone, and line drilling apparatus |
| 02/10/2010 | CN101644139A Temporary supporting device for assembling a large derrick structure and use method thereof |
| 02/09/2010 | CA2463684C Rock drilling apparatus and rock breaking machine |
| 02/09/2010 | CA2410225C Mast for handling a coiled tubing injector |
| 02/03/2010 | CN201396075Y Mechanical tripod |
| 02/03/2010 | CN201396074Y Safe drilling stand |
| 02/03/2010 | CN201396064Y Luffing mechanism and rotary drilling rig with same |
| 01/28/2010 | WO2010011308A1 Tilted drive sub |
| 01/28/2010 | US20100021239 Drilling rig placed on the sea bed and equipped for drilling of oil and gas wells |
| 01/28/2010 | CA2731733A1 Tilted drive sub |
| 01/27/2010 | EP2147182A1 A method and a device for intervention in an underwater production well |
| 01/27/2010 | CN201391251Y Adjustable-type back-frame on-vehicle hydraulic energy-storage workover rig |
| 01/27/2010 | CN201391231Y Drilling positioner |
| 01/27/2010 | CN201391230Y Combined type countable guider |
| 01/27/2010 | CN201391225Y Anchoring drill based on double-pump complementary automatic interflowing working mode |
| 01/27/2010 | CN100585093C Pile machine having drilling function and drilling static pressure method |
| 01/21/2010 | WO2008103031A8 Apparatus for driving elongated elements into the ground |
| 01/21/2010 | US20100012376 Monolithic movable rotary well drilling rig |
| 01/20/2010 | EP2146048A1 A monolithic movable rotary well drilling rig |
| 01/20/2010 | EP2146027A1 Construction device with rotatable mast |
| 01/20/2010 | CN201386559Y Testing oil burning arm |
| 01/13/2010 | EP2142711A2 Extension bridges and methods of tender assist |
| 01/13/2010 | CN201381821Y Automatic hydraulic lifting device for wellheads |
| 01/13/2010 | CN201381806Y Pneumatic supporter guide sleeve |
| 01/13/2010 | CN201381805Y Cylinder body of rock drill |