| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 03/20/2013 | EP2569506A1 Method for combined cleaning and plugging in a well, a washing tool for directional washing in a well, and uses thereof |
| 03/20/2013 | CN202810797U Foldable walking platform and rail |
| 03/20/2013 | CN202810796U Oilproof anti-slip pavement board |
| 03/20/2013 | CN202810697U Downhole pipeline anti-corrosion bracelet type positive pole |
| 03/20/2013 | CN102985318A System and method for subsea power distribution network |
| 03/20/2013 | CN101787856B Reentry method of later-operation pipe column of multi-branch well |
| 03/19/2013 | US8397804 Expandable device for use in a well bore |
| 03/19/2013 | CA2670181C Discrete element modeling of rock destruction under high pressure conditions |
| 03/15/2013 | CA2788934A1 Well pad placement |
| 03/14/2013 | WO2013034378A1 Subsea docking station |
| 03/14/2013 | WO2012137068A3 Mobile, modular, electrically powered system for use in fracturing underground formations |
| 03/14/2013 | US20130062069 Accumulator having operating fluid volume independent of external hydrostatic pressure |
| 03/14/2013 | US20130062055 Assembly and method for multi-zone fracture stimulation of a reservoir using autonomous tubular units |
| 03/14/2013 | CA2846856A1 Petroleum well intervention winch system |
| 03/13/2013 | EP2568110A1 Exploitation method of an oilfield on the basis of a selection technic of to be drilled borehole positions |
| 03/13/2013 | EP2567141A2 Drilled underground gaseous storage system |
| 03/13/2013 | CN202792102U Ignition electric control device of well mouth of oil and gas field and ignition system with the same |
| 03/13/2013 | CN102971485A Machines, systems, computer-implemented methods, and computer program products to test and certify oil and gas equipment |
| 03/13/2013 | CN102966333A Anti-blockage method for bottom hole of mine stope and roadway driving working face |
| 03/12/2013 | CA2672866C Arctic platform |
| 03/07/2013 | WO2013032445A1 Methods and systems for evaluating environmental impact of drilling operations |
| 03/07/2013 | US20130056283 System and Method for Vibration in a Drill String |
| 03/06/2013 | EP2565371A1 Method for maintaining a gas volume in an underground geological reservoir by nitrogen injection |
| 03/06/2013 | EP2565370A1 Subsea pipe monitoring system |
| 03/06/2013 | EP2565367A1 Subsea docking station |
| 03/06/2013 | EP2563550A1 Device for a hydraulic hammer |
| 03/06/2013 | CN102959805A Safety device |
| 03/06/2013 | CN102959179A Apparatus and methods for corrosion protection of downhole tools |
| 03/06/2013 | CN102953709A Novel suction pile type subsea drilling template |
| 02/28/2013 | US20130048294 Completing Underwater Wells |
| 02/28/2013 | US20130048274 Variable frequency fluid oscillators for use with a subterranean well |
| 02/28/2013 | CA2788231A1 Modular, scalable spill containment lining system |
| 02/27/2013 | CN102947537A System and method for subsea production system control |
| 02/27/2013 | CN102943648A Floating tool applied to screen pipe well completion |
| 02/26/2013 | US8383555 Well fluid comprising a fluorinated liquid phase |
| 02/26/2013 | US8382399 Heave compensated snubbing system and method |
| 02/21/2013 | WO2013026020A2 Reducing the carbon emissions intensity of a fuel |
| 02/21/2013 | US20130043034 Power and control pod for a subsea artificial lift system |
| 02/21/2013 | CA2845707A1 Reducing the carbon emissions intensity of a fuel |
| 02/20/2013 | EP2558680A1 Testing subsea umbilicals |
| 02/20/2013 | CN202745821U Suspended environmental-friendly operating platform |
| 02/20/2013 | CN202745820U Water collecting groove for shaft |
| 02/20/2013 | CN202745819U Water collecting device for shaft |
| 02/20/2013 | CN202745818U Multi-channel valve linkage connecting rod device of vehicle-mounted workover rig |
| 02/20/2013 | CN102939185A Device for a hydraulic hammer |
| 02/19/2013 | US8376055 Shearing tool and methods of use |
| 02/14/2013 | WO2013022635A2 Method of controlling corrosion rate in downhole article, and downhole article having controlled corrosion rate |
| 02/14/2013 | CA2841926A1 Method of controlling corrosion rate in downhole article, and downhole article having controlled corrosion rate |
| 02/12/2013 | US8371399 Method and system for accessing subterranean deposits from the surface and tools therefor |
| 02/06/2013 | CN102913197A Underwater base plate guide pile connector |
| 02/05/2013 | CA2542413C Nozzle unit and method for excavating a hole in an object |
| 01/31/2013 | CA2843137A1 Power supply for downhole instruments |
| 01/30/2013 | CN202706998U Energy-saving automatic dosing device for oil well |
| 01/30/2013 | CN102900399A Multilateral well completion pipe string reentry leader |
| 01/30/2013 | CN102900398A 能量存储系统 The energy storage system |
| 01/29/2013 | US8360708 Telescoping tool basket, especially for offshore operations, and method of using same |
| 01/29/2013 | CA2683763C Full bore lined wellbores |
| 01/24/2013 | US20130022401 Air-freightable subsea well containent tooling package |
| 01/24/2013 | US20130022400 Subsea dispersant injection systems and methods |
| 01/24/2013 | US20130020093 Damping assembly for downhole tool deployment and method thereof |
| 01/23/2013 | EP2547859A2 Subsea well intervention module |
| 01/23/2013 | CN202690010U Split type rotation control head shell |
| 01/17/2013 | WO2012149007A3 Functionally gradient composite article |
| 01/17/2013 | US20130014954 Subsea Connector with a Split Clamp Latch Assembly |
| 01/17/2013 | US20130014939 Electric Hydraulic Interface For A Modular Downhole Tool |
| 01/16/2013 | CN202673249U Valve body extractor for slurry pump |
| 01/16/2013 | CN202673248U Traction device for displacement of under well driller in coal mines |
| 01/16/2013 | CN202673247U Switching mechanism connecting ramp and catwalk |
| 01/16/2013 | CN102877817A Drilling machine operation table convenient to maintain |
| 01/16/2013 | CN102877816A Underground tool |
| 01/15/2013 | CA2686213C Enclosed coiled tubing rig |
| 01/15/2013 | CA2678511C Wellbore monitor |
| 01/15/2013 | CA2566653C Downhole ultrasonic well cleaning device |
| 01/10/2013 | US20130008661 Subsea well intervention module |
| 01/10/2013 | US20130008660 In situ recovery from a hydrocarbon containing formation |
| 01/09/2013 | EP2542757A1 Device for remote-controlled, submarine machining unit |
| 01/08/2013 | CA2741849C Diaphragm pumps and transporting drag reducers |
| 01/08/2013 | CA2411819C Communicating with a tool |
| 01/03/2013 | WO2013000938A1 Downhole tool for determining laterals |
| 01/03/2013 | WO2013000520A1 A method for storing carbon dioxide compositions in subterranean geological formations and an arrangement for use in such methods |
| 01/03/2013 | WO2012104574A3 Downhole pressure relief apparatus |
| 01/03/2013 | WO2012101133A3 Apparatus for a fluid transport pipeline, related method and system |
| 01/03/2013 | WO2012085503A3 Flare system |
| 01/03/2013 | CA2840471A1 Downhole tool for determining laterals |
| 01/03/2013 | CA2839701A1 A method for storing carbon dioxide compositions in subterranean geological formations and an arrangement for use in such methods |
| 01/02/2013 | EP2540957A1 Downhole tool for determining laterals |
| 01/02/2013 | CN102859113A Tubular embedded nozzle assembly for controlling the flow rate of fluids downhole |
| 01/01/2013 | US8342267 Mining machine with improved rib reach capability and method of use thereof |
| 12/27/2012 | WO2012177650A2 Subsea connector with a split clamp latch assembly |
| 12/27/2012 | WO2012148628A3 Flow-induced electrostatic power generator for downhole use in oil and gas wells |
| 12/27/2012 | WO2012094676A3 Apparatus and method for supplying electrical power to an electrocrushing drill |
| 12/27/2012 | WO2012094194A3 Low equivalent circulation density setting tool |
| 12/27/2012 | WO2012092476A3 Method and system for drilling rig testing using virtualized components |
| 12/27/2012 | US20120325492 Drilling Composition, Process for its Preparation, and Applications Thereof |
| 12/27/2012 | US20120325463 Device for Intervention in a Well Comprising a Pyrotechnic System, Installation and Method Associated Therewith |
| 12/23/2012 | CA2779968A1 Oil containment system |
| 12/20/2012 | CA2838339A1 Control system for downhole operations |
| 12/20/2012 | CA2837175A1 Process for utilising waste drill cuttings in plastics |
| 12/19/2012 | EP2535510A2 Sub-sea chemical injection metering valve |
| 12/19/2012 | CN102834583A Subsea orientation and control system |