| Patents for E21B 15 - Supports for the drilling machine, e.g. derricks or masts (4,619) |
|---|
| 03/16/2011 | CN201763258U Drill floor doghouse supporter |
| 03/16/2011 | CN201763257U Retractable stand pillar |
| 03/16/2011 | CN201763239U Pillar drilling machine |
| 03/16/2011 | CN101382042B Ocean floating drill platform string heave compensation device |
| 03/15/2011 | US7905299 Articulation assembly for moving a drill mast |
| 03/10/2011 | WO2010129944A3 Method and system for integrating sensors on an autonomous mining drilling rig |
| 03/10/2011 | US20110056701 Fluid Connection To Drilling Riser |
| 03/09/2011 | CN201756916U Fully mechanized working face movable drilling elevating platform |
| 03/09/2011 | CN101984191A High pressure jet grouting pile driving machine |
| 03/02/2011 | CN101982701A Mast type engineering mechanical equipment and mast mechanism lubricating system thereof |
| 03/01/2011 | US7896096 Hydraulic drilling machine for working in a small space |
| 03/01/2011 | CA2570225C Drilling rig and vibration dampening support frame |
| 02/24/2011 | WO2009135047A3 Mobile hydraulic workover rig |
| 02/24/2011 | WO2008044101A3 System for conducting jointed pipe and coiled tubing operations |
| 02/24/2011 | US20110042142 Spindrill |
| 02/24/2011 | US20110042116 Rotating device |
| 02/17/2011 | US20110036608 Rock drilling device and rock drilling rig and/or rock bolting rig comprising such device |
| 02/16/2011 | CN201747282U Derrick leap-preventing device |
| 02/16/2011 | CN201747261U Long twist drill for construction of anti-floating anchor rod |
| 02/16/2011 | CN101975077A High-outburst coal mine coal roadway drilling-loading-bolting integrated machine |
| 02/16/2011 | CN101975036A Method for inhibiting vortex-induced vibration of novel deepwater drilling riser |
| 02/16/2011 | CN101975028A Real-time leveling base for floating type well drilling derrick |
| 02/16/2011 | CN101975027A Elastic drilling machine bracket |
| 02/15/2011 | CA2459964C Method for restricting leakage of hydraulic oil in a rock drilling rig |
| 02/10/2011 | US20110030982 Hydraulic drilling machine for working in a small space |
| 02/09/2011 | CN201738819U Drilling moving frame |
| 02/09/2011 | CN201738818U Novel folding racking platform of telescopic derrick of petroleum drilling machine |
| 02/09/2011 | CN201738811U Vehicle-mounted drilling machine crown block rotating device |
| 02/09/2011 | CN201738293U Novel simple well mouth support |
| 02/09/2011 | CN101970787A Subsea drilling system and method for operating the drilling system |
| 02/09/2011 | CN101967957A Top drive guide rail plate butting device |
| 02/09/2011 | CN101967953A Large-torque rig equipment for coal mine underground tunnel |
| 02/03/2011 | US20110024145 Surgical apparatus with force limiting clutch |
| 02/02/2011 | CN201730547U Multifunctional rapid drilling machine |
| 02/02/2011 | CN101963046A Top driving slippery insert type folding guide rail plate |
| 01/26/2011 | CN201723161U Mast lifting aid |
| 01/26/2011 | CN201723160U Mast of rotary drilling rig |
| 01/26/2011 | CN201723159U Sliding plate/roller mechanism for electric/pneumatic down-the-hole drill |
| 01/26/2011 | CN201723158U Falling protector of pin vehicle |
| 01/26/2011 | CN201723151U Downhole excavator |
| 01/26/2011 | CN101960085A Method and apparatus for facilitating assembly and erection of a drilling rig |
| 01/26/2011 | CN101956392A Piling and drilling rig with foldable deflection apparatus |
| 01/26/2011 | CN101082265B Working machine, especially a drilling rig |
| 01/25/2011 | CA2578027C A system for assuring engagement of a hydromatic brake on a drilling or well service rig |
| 01/20/2011 | US20110011647 Method And Separation Conduit For Handling Lubricant Mist, And Rock Drilling Rig |
| 01/19/2011 | CN201714312U Drilling rig derrick |
| 01/19/2011 | CN201714311U Novel understructure of drill base |
| 01/19/2011 | CN201714310U Mechanism used for adjusting angle of drilling mast of rotary drilling rig |
| 01/19/2011 | CN201714309U Rig floor stabilizing device |
| 01/19/2011 | CN201714308U Turnover type drilling platform |
| 01/19/2011 | CN201714307U Heavy air drill auxiliary support |
| 01/19/2011 | CN201714298U All hydraulic transverse track-mounted drilling rig for coal mines |
| 01/19/2011 | CN201714295U Underground vertical and horizontal dual-purpose drill rig |
| 01/13/2011 | WO2010033935A3 Pivotable tower for angled drilling |
| 01/12/2011 | EP2035650B1 Triple activity drilling ship |
| 01/12/2011 | CN201705213U Adjusting device of column type drilling machine |
| 01/12/2011 | CN201705196U Arc-shaped track traveling device of impact drill |
| 01/12/2011 | CN101942970A Hoisting device of power tap |
| 01/12/2011 | CN101942969A Sliding frame of hydraulic drill |
| 01/12/2011 | CN101942963A Vehicle hydraulic drill |
| 01/12/2011 | CN101942961A Conveyable light marine 90t workover rig |
| 01/06/2011 | WO2009106860A3 Method and apparatus for facilitating assembly and erection of a drilling rig |
| 01/05/2011 | CN201695956U Lower mast device |
| 01/05/2011 | CN201695955U Counter weight and rotary drilling rig provided with same |
| 01/05/2011 | CN201695944U Side motor arrangement type high-efficiency pneumatic jumbolter |
| 01/05/2011 | CN201695386U Drilling platform storing water inside jacket spud legs |
| 01/05/2011 | CN101936173A Roof bolting cable bolt feeding device |
| 01/05/2011 | CN101936136A Drilling device of hydraulic drill rig |
| 01/05/2011 | CN101936133A Drilling machine for construction of cast-in-situ bored pile |
| 01/04/2011 | US7861804 Sleeve arrangement |
| 12/30/2010 | US20100326734 Drilling rig assembly method and apparatus |
| 12/29/2010 | EP1784555B1 Method and system for installing and maintaining a pipeline while minimizing associated ground disturbance |
| 12/29/2010 | EP1611311B1 System and method for treating drilling mud in oil and gas well drilling applications |
| 12/29/2010 | CN201687400U Two-way power increasing stroke mechanism of foundation pile boring machine |
| 12/29/2010 | CN201687399U Drilling machine capable of positioning fast and accurately |
| 12/29/2010 | CN201687398U Novel square shaft structure |
| 12/29/2010 | CN201687397U Movable drilling platform propeller strut |
| 12/29/2010 | CN201687396U Truss movable type drilling device |
| 12/29/2010 | CN201687395U Gate-type derrick of coiled tubing drilling machine |
| 12/29/2010 | CN101929312A Method for increasing well slots without stopping production on offshore petroleum platform |
| 12/29/2010 | CN101929157A Construction apparatus for foundation construction |
| 12/22/2010 | CN201679483U Auto reversing indirectly dragged steel rope type oil pumping unit |
| 12/22/2010 | CN201679452U Injection head support frame of continuous oil pipe drilling machine |
| 12/22/2010 | CN101923357A Mast control system of rotary drilling rig |
| 12/16/2010 | US20100314168 Flywheel-based energy storage on a heave-compensating drawworks |
| 12/16/2010 | DE202010013888U1 Mastprofil für Rammvorrichtung mit integriertem hydraulischen Hubgerät Mast profile for ramming device with integrated hydraulic lifting unit |
| 12/15/2010 | CN201671551U Inclined oil well drilling machine base |
| 12/15/2010 | CN201671550U Supporting structure of mining deep hole drill rig |
| 12/15/2010 | CN201671539U Water driller |
| 12/15/2010 | CN201671531U 一种工程冲击钻机 An engineering Percussion Drill |
| 12/15/2010 | CN201670657U Crown block rotary positioning automatic locking device |
| 12/14/2010 | US7849939 Drill bit |
| 12/08/2010 | CN201666122U Ship type base connecting device |
| 12/08/2010 | CN201666121U Buffer device of lifting derrick |
| 12/08/2010 | CN201666120U Novel small oil-well repair work platform |
| 12/08/2010 | CN201666119U Hydraulic derrick bearing mechanism |
| 12/08/2010 | CN201666118U Mast lifter of rotary drilling rig |
| 12/02/2010 | US20100300697 Installing an expandable tubular in a subsea wellbore |
| 12/01/2010 | EP1979571B1 Top feed of control lines to table-elevated spider |
| 12/01/2010 | CN201661244U Full hydraulic pressure multi-functional well head device |