| Patents for E21B 15 - Supports for the drilling machine, e.g. derricks or masts (4,619) |
|---|
| 12/18/2013 | CN103452479A Angle-adjustable engineering geological drilling rig |
| 12/18/2013 | CN102383793B Dual function machine for drilling and loading in tunnel |
| 12/12/2013 | WO2013184791A1 Subsea overpressure relief device |
| 12/12/2013 | WO2013057166A3 A floating offshore facility and a method for drilling a well |
| 12/11/2013 | CN103437715A Rapid pitching mechanism for carriage and drill boom of down-the-hole drill |
| 12/10/2013 | US8602123 Spindrill |
| 12/05/2013 | WO2013032600A3 Pinned structural connection using a pin and plug arrangement |
| 12/04/2013 | CN203321346U Truck-mounted drilling rig |
| 12/04/2013 | CN203321345U Drill floor for drilling and workover machine |
| 12/04/2013 | CN203321344U Heightened and improved V-type vertical shaft sinking headframe |
| 12/04/2013 | CN203321343U Pull type chassis of all-hydraulic drilling rig |
| 12/04/2013 | CN203321342U Adjustable support for vertical upward drilling |
| 12/04/2013 | CN203321341U Trailing chassis of tower crane integrated drilling machine |
| 12/04/2013 | CN203321340U Omni-directional supporting structure of sectional fixed roadway drilling machine rotating with base plate |
| 12/04/2013 | CN203321339U Jumbolter operation support |
| 12/04/2013 | CN203321338U Lifting working platform for vehicle-mounted deep well drilling machine |
| 12/04/2013 | CN203321337U Drill tower |
| 12/04/2013 | CN203321336U Device for adopting drilling line to realize lifting of oil rig self-elevating derrick |
| 12/04/2013 | CN203321319U Drilling machine |
| 12/04/2013 | CN203321316U Bidirectional movement device of drilling machine |
| 12/04/2013 | CN103422817A Composite continuous pipe drilling door type telescopic derrick |
| 12/04/2013 | CN103422816A Underpan positioning structure, underpan and rotary drilling rig |
| 12/04/2013 | CN103422502A Piling machinery with sliding shoe devices |
| 12/03/2013 | US8596016 Method and apparatus for constructing drilling platforms without driven pins |
| 11/28/2013 | WO2013177568A1 Service line transport and deployment system |
| 11/28/2013 | WO2013174089A1 Cathead and rotary drilling rig |
| 11/27/2013 | CN203308404U Compound derrick intelligent formation testing well repairing vehicle |
| 11/27/2013 | CN203308386U Simple bracket for regulating angle of down-the-hole drill |
| 11/27/2013 | CN203308381U Hollow drill rod drilling unit for drilling holes in ground |
| 11/27/2013 | CN103410449A Angle-adjustable well mouth fake rotary plate device for inclined straight wells |
| 11/27/2013 | CN102322221B Pneumatic drill for hard rocks |
| 11/20/2013 | CN203296708U Drilling machine moving system with hydraulic friction disk used for braking |
| 11/20/2013 | CN203296707U Telescopic mounting type derrick |
| 11/20/2013 | CN203296706U Derrick hydraulic opening-and-closing device |
| 11/20/2013 | CN103397850A Fast underground drilling machine moving and fixing device |
| 11/20/2013 | CN103397849A Vertical shaft gear rack drilling machine derrick |
| 11/20/2013 | CN103397848A Gear rack coal bed methane drilling rig hoisting system |
| 11/20/2013 | CN102305024B Device for drilling machine for short-distance movement along rail and moving method thereof |
| 11/19/2013 | US8584774 Traveling and locking centralizer |
| 11/14/2013 | WO2013168064A2 Well drilling apparatus and assembling and disassembling method |
| 11/14/2013 | WO2013085774A3 Torque track system and method |
| 11/13/2013 | CN203285348U Adjustable mining drilling machine support |
| 11/13/2013 | CN203285347U Pallet type derrick moving device for well drilling |
| 11/13/2013 | CN203285346U Novel drilling machine |
| 11/13/2013 | CN203285345U N-shaped derrick with bridge crane capable of adjusting in transverse direction and longitudinal direction |
| 11/13/2013 | CN203285332U Pit digging tool for electric pole |
| 11/13/2013 | CN203285329U Floor type apparatus for rotating and elevating drilling tool of piling machine |
| 11/07/2013 | US20130292131 Damping apparatus for moonpool |
| 11/07/2013 | US20130291475 Support Apparatus for Wellbore Tools |
| 11/07/2013 | US20130291462 Tension Link for Drill Floor Substructure Assembly |
| 11/07/2013 | US20130291452 Bi-directionally raisable drilling rig mast |
| 11/06/2013 | CN203271599U Coal mine underground skid-mounted locating drilling rig |
| 11/06/2013 | CN203271598U Rotary drilling rig mast left and right limiting device |
| 11/06/2013 | CN203271597U Leveling system of supporting drilling machine component, drilling machine and hydraulic jack of mining machine |
| 11/06/2013 | CN203271588U Wheel type truck-mounted drilling rig |
| 11/06/2013 | CN103382813A Support of bottom anchor drilling machine |
| 11/06/2013 | CN103382812A Floor stand for bottom anchor drilling machine |
| 11/06/2013 | CN103382811A Rock drill telescopic arm and rock drill |
| 11/06/2013 | CN102016219B Method and apparatus for facilitating assembly and erection of a drilling rig |
| 10/31/2013 | WO2013163252A2 Bi-directionally raisable drilling rig mast |
| 10/30/2013 | EP2655785A1 Drilling installation and offshore drilling vessel with drilling installation |
| 10/30/2013 | CN203257334U Coal mine drilling machine body fixing device |
| 10/30/2013 | CN203257333U Novel amplitude variation movement mechanism |
| 10/30/2013 | CN203256735U Multi-shaft mixing pile device capable of reducing soil-squeezing effect |
| 10/30/2013 | CN103380259A In situ sampling and analysis system for a drill rig and a drill rig incorporating same |
| 10/29/2013 | CA2679189C Blast hole drill bit carousel and a blast hole drill including a blast hole drill bit carousel |
| 10/24/2013 | WO2013158695A2 Mobile drilling rig with telescoping substructure boxes |
| 10/24/2013 | US20130277062 Damper structure for a sealed derrick |
| 10/24/2013 | US20130276386 Substructure of a mobile drilling rig with a movable center floor section |
| 10/23/2013 | EP2652236A2 Method, system and apparatus for deployment of umbilicals in subsea well operations |
| 10/23/2013 | CN203248094U Large-diameter ultra-deep vertical shaft sinking headframe |
| 10/23/2013 | CN203248093U Adjustable movable type fixing frame |
| 10/23/2013 | CN203248092U Inner injection type pressure maintaining ejecting column |
| 10/23/2013 | CN203248091U Main drill rod and auxiliary drill rod reloading device of truck-mounted drilling rig |
| 10/23/2013 | CN203248090U Adjustable supporting frame used for top drilling |
| 10/23/2013 | CN203248089U Swing arm limiting device of rotary drilling rig |
| 10/23/2013 | CN203248072U Self-walking shale gas drilling machine |
| 10/23/2013 | CN203248063U Audio-frequency vibration power head and tractor drilling machine comprising same |
| 10/23/2013 | CN103362478A Preassembled type fixed and movable two-function bracket |
| 10/23/2013 | CN103362462A Integrated vehicle-mounted snubbing operation workover rig |
| 10/23/2013 | CN103362447A Underwater drilling device and pile forming equipment |
| 10/23/2013 | CN103362437A Portal frame type core drilling machine |
| 10/23/2013 | CN102400648B Detachable follow-up frame and installation process thereof |
| 10/22/2013 | US8561717 Articulating drill with integrated circuit board and method of operation |
| 10/22/2013 | CA2576897C Sleeve arrangement |
| 10/22/2013 | CA2576893C Housing arrangement |
| 10/17/2013 | WO2013154594A1 Mast head for a dragline |
| 10/17/2013 | US20130269953 Method and Support Apparatus for Supporting Down Hole Rotary Tools |
| 10/17/2013 | US20130269268 Mobile drilling rig with telescoping substructure boxes |
| 10/16/2013 | CN203239238U Drum-type moving device of mine hydraulic underground drill rig |
| 10/16/2013 | CN203239237U Automatic escape speed reducer for workover rig racking platform |
| 10/16/2013 | CN203239236U Underground drill rig and supporting device thereof |
| 10/16/2013 | CN103352655A Hollow drill rod drilling machine unit for surface drilling |
| 10/15/2013 | US8555997 Safety mechanism for a rotary hammer |
| 10/10/2013 | DE102012209988A1 Unterbaumodul für eine mobile Landbohranlage und Verfahren zum Auf- und Abbau solcher Unterbaumodule Substructure module for a mobile onshore drilling rig and method of assembly and disassembly of such base modules |
| 10/09/2013 | CN203230344U Following frame of drilling rig and rotary digging drilling rig |
| 10/09/2013 | CN203230339U Table type drilling machine for highways |
| 10/09/2013 | CN103342121A Oil field drilling machine, supporting leg leveling system thereof and supporting leg leveling method |
| 10/02/2013 | CN203223182U Fastening drag plate used on highway pile driver |
| 10/02/2013 | CN203223174U 可移动式智能钻岩机 Removable smart rock drilling machine |