| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 08/07/2013 | CN103237954A Wireless downhole unit |
| 08/07/2013 | CN103233702A Anti-misoperation control device |
| 08/06/2013 | CA2769568C Method, apparatus, and magnet for magnetically treating fluids |
| 08/06/2013 | CA2702593C Method, apparatus, and magnet for magnetically treating fluids |
| 08/01/2013 | WO2013112056A1 Method for reducing drillstring oscillations |
| 08/01/2013 | WO2012145286A3 Well system with lateral main bore and strategically disposed lateral bores and method of forming |
| 08/01/2013 | WO2009126376A3 System and method for drilling multilateral wells using magnetic ranging while drilling |
| 08/01/2013 | US20130192840 Multilateral location and orientation assembly |
| 08/01/2013 | CA2861990A1 Method for reducing drillstring oscillations |
| 07/31/2013 | EP2620415A1 Apparatus and method for magnetically conditionng fluids |
| 07/31/2013 | CN203097833U Inhibiter filling device |
| 07/31/2013 | CN203097832U Directional wheel wire twining-preventing device |
| 07/31/2013 | CN203097831U Self-carrying type well repairing engineering van device with pressure of environment-friendly blowout preventer |
| 07/31/2013 | CN203097830U Oil field well drilling borehole repairing tool |
| 07/30/2013 | CA2612285C Novel activating mechanism for controlling the operation of a downhole tool |
| 07/30/2013 | CA2570058C Closed loop control system for controlling production of hydrocarbon fluid from an underground formation |
| 07/30/2013 | CA2545984C Filtering and boosting a signal from a drive circuit |
| 07/25/2013 | US20130189039 Riser system for a slacked moored hull floating unit |
| 07/25/2013 | US20130186637 Subsea power source, methods, and systems |
| 07/25/2013 | US20130186617 Corrosion management systems for vertically oriented structures |
| 07/24/2013 | CN203081411U Antiseptic, anti-scale and gas-lift integral completion pipe string |
| 07/24/2013 | CN203081406U Portable handheld frame for geological prospecting drilling machine |
| 07/24/2013 | CN203081405U Drilling machine and operation table thereof |
| 07/24/2013 | CN103216214A Oil well chemical dosing device |
| 07/24/2013 | CN101484661B Hydraulic metering valve for operation of downhole tools |
| 07/23/2013 | CA2565939C Separation of evolved gases from drilling fluids in a drilling operation |
| 07/18/2013 | WO2012163996A3 Subsea compressor directly driven by a permanent magnet motor with stator and rotor submerged in liquid |
| 07/18/2013 | US20130180706 Expandable Device for Use in a Well Bore |
| 07/18/2013 | US20130180703 Removable orifice plate device |
| 07/17/2013 | EP2615241A2 High strength dissolvable structures for use in a subterranean well |
| 07/17/2013 | CN203066933U Multifunctional self-control type oily sewage recovery and reinjection environmental protection device |
| 07/17/2013 | CN103210175A Bop lock down |
| 07/17/2013 | CN103210120A Releasable corrosion inhibitors |
| 07/16/2013 | US8485252 In situ recovery from a hydrocarbon containing formation |
| 07/16/2013 | CA2535477C Nano-based devices for use in a wellbore |
| 07/11/2013 | WO2013103920A2 Boom mounted coiled tubing guide and method for running coiled tubing |
| 07/11/2013 | US20130175048 Boom mounted coiled tubing guide and method for running coiled tubing |
| 07/11/2013 | US20130175043 Downhole swivel apparatus and method |
| 07/11/2013 | US20130175042 Subsurface safety valve deployable via electric submersible pump |
| 07/10/2013 | CN203050634U Double-row cluster well fast moving drilling machine cable groove |
| 07/10/2013 | CN203050633U Drilling machine arm positioning system |
| 07/10/2013 | CN203050632U Chemical agent injection device |
| 07/10/2013 | CN103195394A Method for prolonging safe operating cycle of offshore drilling during typhoon dodging |
| 07/09/2013 | US8484004 Systems and methods for improved positioning of pads |
| 07/09/2013 | US8479812 Method and system for accessing subterranean deposits from the surface and tools therefor |
| 07/09/2013 | CA2736804C Pressure relieving transition joint |
| 07/09/2013 | CA2624106C Methods and systems for designing and/or selecting drilling equipment with desired drill bit steerability |
| 07/04/2013 | WO2013098362A2 An electrical power distribution method for a wireline tool string downhole |
| 07/04/2013 | WO2012172332A3 Process for utilising waste drill cuttings in plastics |
| 07/04/2013 | WO2012122173A4 Systems and methods to harvest fluid energy in a wellbore using preloaded magnetostrictive elements |
| 07/04/2013 | WO2012110290A3 Subsea equipment test and inspection arrangement |
| 07/04/2013 | US20130168101 Vertical subsea tree assembly control |
| 07/03/2013 | EP2610430A1 An electrical power distribution method for a wireline tool string downhole |
| 07/03/2013 | CN203035164U Drilling platform underwater television |
| 06/27/2013 | WO2013093389A1 Unequal load collect and method of use |
| 06/27/2013 | WO2012119058A3 Downhole fluid injections, co2 sequestration methods, and hydrocarbon material recovery methods |
| 06/27/2013 | WO2012115763A3 Method of introducing treatment agents into a well or flow conduit |
| 06/27/2013 | WO2012110289A3 Test and inspection arrangement for subsea well equipment |
| 06/27/2013 | US20130161019 Grease delivery system |
| 06/27/2013 | US20130160997 Groundwater management system |
| 06/27/2013 | US20130160992 Dissolvable tool |
| 06/27/2013 | US20130160989 Cleaning of water from drilling and hydraulic fracturing operations |
| 06/27/2013 | CA2856614A1 Unequal load collet and method of use |
| 06/26/2013 | EP2607618A1 Well assembly |
| 06/26/2013 | EP2607617A1 Well assembly |
| 06/26/2013 | CN103174400A Anti-freezing heat insulation device for drilling machine |
| 06/25/2013 | US8469119 Method and system for accessing subterranean deposits from the surface and tools therefor |
| 06/20/2013 | WO2013087825A1 Method of controlling a downhole operation |
| 06/20/2013 | US20130153302 Apparatus to wipe a tubular member |
| 06/20/2013 | CA2857752A1 Method of controlling a downhole operation |
| 06/20/2013 | CA2798261A1 Methods and devices for constructively using the pressure pulsations in reciprocating compressors installations |
| 06/19/2013 | EP2604789A1 Method of controlling a downhole operation |
| 06/19/2013 | EP2604785A1 Downhole device actuator and method |
| 06/19/2013 | CN203008864U Advance window-opening hanger for multilateral well |
| 06/19/2013 | CN203008863U Horn-shaped connecting port of rotary drilling rig guide frame |
| 06/19/2013 | CN103161429A Anti-corrosion method for mechanical oil extraction shaft |
| 06/18/2013 | US8464784 Method and system for accessing subterranean deposits from the surface and tools therefor |
| 06/13/2013 | US20130146279 System and method for borehole communication |
| 06/13/2013 | CA2857707A1 Method for assessing the performance of a drill bit configuration, and for comparing the performance of different drill bit configurations for drilling similar rock formations |
| 06/12/2013 | EP2601376A1 Methods and arrangements for carbon dioxide storage in subterranean geological formations |
| 06/12/2013 | CN202990976U Bottom collision flow blocking device |
| 06/12/2013 | CN202990975U Height adjustable elevated tube support |
| 06/12/2013 | CN101479441B Intervention tool for use inside wellbore and method for implementing intervention operation |
| 06/11/2013 | US8459377 Downhole drive force generating tool |
| 06/11/2013 | US8459345 Extended reach whipstock |
| 06/11/2013 | CA2677756C Arctic platform |
| 06/11/2013 | CA2663456C Method for controlled placement of additives in oil and gas production |
| 06/06/2013 | WO2012122178A4 Magnetostrictive power supply for bottom hole assembly with rotation-resistant housing |
| 06/06/2013 | US20130140037 System and method for planning a well path |
| 06/05/2013 | CN202978184U Duplex cable protector |
| 06/05/2013 | CN202970632U Spinning well-flushing nozzle |
| 06/05/2013 | CN202970631U Rotary telescopic device |
| 06/05/2013 | CN202970630U Earth-receiving and earth-pouring device for rotary drilling rig |
| 06/05/2013 | CN202970629U High-pressure circulating system of hanger |
| 06/04/2013 | US8453730 System and method for improving operational characteristics |
| 06/04/2013 | CA2707063C Uncollapsed expandable wellbore junction |
| 06/04/2013 | CA2707061C Uncollapsed expandable wellbore junction |
| 05/30/2013 | WO2013077741A1 Activation mechanism for the release of a guidepost |
| 05/30/2013 | WO2013077740A1 Underwater shackle |
| 05/30/2013 | WO2012049459A3 Pressure bearing wall and support structure therefor |