| Patents for E21B 15 - Supports for the drilling machine, e.g. derricks or masts (4,619) |
|---|
| 11/19/2002 | US6481931 Cantilever supported drilling rig |
| 11/14/2002 | US20020166698 Multipurpose unit with multipurpose tower and method for tendering with a semisubmersible |
| 11/07/2002 | WO2002088509A1 Offshore floating production method |
| 11/07/2002 | WO2002087959A2 Multipurpose unit with multipurpose tower and method for tendering with a semisubmersible |
| 11/06/2002 | EP0851960A4 Telescoping derrick |
| 10/31/2002 | US20020159840 Self-elevating drilling unit |
| 10/31/2002 | US20020157833 Offshore floating production method |
| 10/17/2002 | WO2002048500A3 Self-erecting rig |
| 10/10/2002 | WO2002079602A1 Tower |
| 10/09/2002 | EP1246995A1 Modular light weight drilling rig |
| 10/09/2002 | CN1373828A Boom arrangement for rock drilling apparatus |
| 10/08/2002 | US6460652 Boom arrangement for rock drilling apparatus |
| 10/08/2002 | US6460630 Method and rock drilling apparatus for controlling rock drilling |
| 10/02/2002 | EP0777815B1 Arrangement in boom for rock drilling unit |
| 09/26/2002 | DE10113561A1 Pile-driving or drilling device comprises a supporting device, a carriage with a work tool, and a sliding device having a gypsy winch operating a cable connected to the carriage |
| 09/25/2002 | EP0643787B1 Method and apparatus for transporting and using a drilling apparatus or a crane apparatus from a single movable vessel |
| 09/18/2002 | EP1240404A2 Subsea well intervention vessel |
| 09/11/2002 | CN2510616Y Derrick and drill block once-continuous starting-stopping mechanism |
| 09/11/2002 | CN2510615Y Improved derrick and foundation structure |
| 08/29/2002 | US20020117336 Drilling apparatus |
| 08/22/2002 | WO2002064940A1 Decommissioning offshore wells |
| 08/07/2002 | CN1362571A Deep-sea multile-bit incrusting and coring rig |
| 08/01/2002 | US20020100619 Self-erecting rig |
| 07/24/2002 | CN1360654A Artificial island, offshore structure for artificial island and method for building artificial isand |
| 07/04/2002 | US20020084110 Rock drilling and mounting frame |
| 07/03/2002 | CN1357075A Rock drill and mounting frame |
| 07/02/2002 | US6412576 Methods and apparatus for subterranean drilling utilizing a top drive |
| 06/26/2002 | CN2497036Y Drilling derrick |
| 06/25/2002 | US6408955 Hybrid sectional and coiled tubing drilling rig |
| 06/20/2002 | WO2002048500A2 Self-erecting rig |
| 06/20/2002 | US20020074125 CT drilling rig |
| 06/20/2002 | CA2431877A1 Self-erecting rig |
| 06/18/2002 | US6405492 Mobile working apparatus |
| 06/13/2002 | WO2001048351A3 Subsea well intervention vessel |
| 06/13/2002 | DE10159202A1 Boden-Bohrmaschine und dafür verwendeter Stangenaustauscher Ground drill rod exchanger and used therefor |
| 06/13/2002 | DE10057380A1 Snap=fit flush boring installation, supported on stand comprising slot fitted collapsible mast supports and collapsible mast |
| 06/11/2002 | CA2225755C Multi-activity offshore exploration and/or development drilling method and apparatus |
| 05/30/2002 | US20020062994 Ground drilling machine and rod exchanger utilized therefor |
| 05/23/2002 | DE10054508A1 Miniature well drilling unit, comprising folding mast positioned on top of rotating base moving on tracks |
| 05/22/2002 | EP1056924B1 Drilling tower |
| 05/21/2002 | US6390732 Jack-up, movable drilling platform having a telescoping outrigger |
| 05/10/2002 | WO2002036926A1 Rock drilling machine |
| 05/08/2002 | CN2490306Y Movable well site steel-wood base |
| 05/02/2002 | DE10123250A1 Boring and anchor setting device; has feed unit with at least two grippers to move between boring and holder position for boring unit with boring tube and central boring rod fixed by clamp unit |
| 04/25/2002 | US20020046531 Mobil rig |
| 04/16/2002 | US6371683 Stakedown assembly coupling for a horizontal directional drill |
| 04/11/2002 | DE10048257A1 Hydraulic adapter for hydraulic working appliances has main and guide carriages with coupling device of plate with coupling plugs and coupling block with coupling sleeves |
| 04/03/2002 | EP1193349A2 Hammer bearing structure with exchange apparatus for hydraulic tools |
| 03/28/2002 | US20020036102 Method and rock drilling apparatus for controlling rock drilling |
| 03/27/2002 | EP1190155A1 Rock drill and mounting frame |
| 03/26/2002 | US6361262 Drilling vessel provided with auxiliary tower or auxiliary mast |
| 03/07/2002 | WO2002018742A1 Double hoist mast |
| 02/27/2002 | CN2479185Y Derrick member of deep drill rig for petroleum geologic prospecting |
| 02/20/2002 | CN2477806Y Drilling mounting of petroleum and ore prospecting drilling machine |
| 02/20/2002 | CN1079483C Multiactivating offshore exploration and/or development drilling method and apparatus |
| 02/07/2002 | US20020014352 Directional boring attachment and method |
| 02/05/2002 | US6343892 Drilling tower |
| 02/05/2002 | US6343662 Hydraulic drilling rig |
| 01/29/2002 | CA2085473C Apparatus for feeding a drilling machine in extension rod drilling |
| 01/09/2002 | CN1077666C Guided drilling system with shock absorber |
| 01/08/2002 | US6336622 Tower |
| 01/03/2002 | WO2002001041A1 Method of opening joints between drilling components, and rock drill |
| 01/03/2002 | US20020000333 Equipment for stowing and handling drill pipes |
| 01/02/2002 | EP1167683A1 Introduction assembly for reinforcement rods for drilling machine |
| 01/02/2002 | EP1167682A1 Drilling machine to prepare excavations for tunnels |
| 01/02/2002 | EP1165932A1 Drilling rig with pipe handling means |
| 12/25/2001 | US6332501 Linear coiled tubing injector |
| 11/29/2001 | WO2001089771A1 Pivoting support for power tool |
| 11/28/2001 | EP1158136A1 Equipment for stowing and handling drill pipes |
| 11/28/2001 | CN2462067Y Uper/lower frame locking device of derrick |
| 11/27/2001 | CA2199475C Portable top drive |
| 11/20/2001 | CA2038721C Apparatus for supporting a direct drive drilling unit in a position offset from the centerline of a well |
| 11/15/2001 | WO2001088278A1 Artificial island, offshore structure for an artificial island and method for building an artificial island |
| 11/15/2001 | CA2352180A1 Artificial island, artificial island support and method for building an artificial island |
| 11/08/2001 | WO2001057355A8 Linear coiled tubing injector/hybrid sectional and coiled tubing drilling rig |
| 11/01/2001 | WO2001081706A1 Rock drilling rig |
| 11/01/2001 | WO2001081705A1 Rock drilling rig |
| 11/01/2001 | CA2406477A1 Rock drilling rig |
| 10/31/2001 | EP1149227A1 Method and rock drilling apparatus for controlling rock drilling |
| 10/31/2001 | CN1320188A Method and device for riser tensioning |
| 10/24/2001 | EP1148206A2 Multi-activity offshore exploration and/or development drilling method and apparatus |
| 10/23/2001 | US6305480 Post driving and earth boring machine |
| 10/18/2001 | WO2001077490A1 Underground mining sampler |
| 10/10/2001 | EP1141511A1 Method for correcting positioning errors in rock drilling, and a rock drilling equipment |
| 10/10/2001 | CA2305960A1 Underground mining sampler |
| 10/09/2001 | US6298928 Drill rig and construction and configuration thereof |
| 10/09/2001 | US6298926 Blast hole drill with improved deck wrench |
| 10/04/2001 | US20010025727 Hydraulic drilling rig |
| 10/03/2001 | CN1072302C Digging method and system for controlled fragmentation and removing of material |
| 09/27/2001 | DE10023467C1 Boring device, to form bores using borer tubes, has holder unit with rotation plate for borer tube having radial locking opening and has locking unit on plate with locking bolt to lock borer tube |
| 09/25/2001 | US6293359 Pressure control of a drilling apparatus |
| 09/25/2001 | US6293355 Method of controlling rock drilling |
| 09/20/2001 | WO2001069041A1 Arrangement for determining position of unmanned mining vehicles |
| 09/20/2001 | WO2001068300A1 Concrete drilling system and related methods |
| 09/20/2001 | CA2401675A1 Concrete drilling system and related methods |
| 09/18/2001 | CA2214741C Tractor for remote movement and pressurization of a rock drill |
| 08/23/2001 | US20010015274 Hybrid sectional and coiled tubing drilling rig |
| 08/21/2001 | US6276464 Stake coupler for a horizontal directional drill |
| 08/21/2001 | US6276454 Tubing injection systems for oilfield operations |
| 08/21/2001 | US6276450 Apparatus and method for rapid replacement of upper blowout preventers |