Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
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07/07/2011 | US20110162853 Method and apparatus for the dampening of shocks in the borehole of wells |
07/07/2011 | CA2785939A1 Downhole guiding tool |
07/06/2011 | EP2341211A1 Downhole guiding tool |
07/06/2011 | EP2340350A2 Downhole device actuator and method |
06/30/2011 | WO2011077235A1 Method and module for determination of erosion in systems |
06/30/2011 | WO2011023934A3 Sonically activating settable compositions and methods of activating them |
06/30/2011 | DE102009060416A1 Airliftverfahren mit feinperligem Auftriebsstrom Airliftverfahren with feinperligem buoyancy flux |
06/29/2011 | EP2339359A2 Line monitoring device |
06/29/2011 | CN201883939U Energy storage type fully electrically-driven workover rig cab instrument panel |
06/29/2011 | CN102112736A 能量发生器 Energy generator |
06/23/2011 | WO2011073778A1 Device for storing, transporting and subsea handling of guide posts |
06/23/2011 | WO2011030095A3 Valves, bottom hole assemblies, and methods of selectively actuating a motor |
06/23/2011 | US20110150623 Structure for transporting and installing or retrieving underwater equipment and method of transporting and of installing or retrieving underwater equipment |
06/23/2011 | US20110147002 Subsea Differential-Area Accumulator |
06/22/2011 | EP2336483A2 Underwater power generation |
06/22/2011 | EP2334898A2 Process for generating hydrogen |
06/22/2011 | EP2334897A1 Improved control system |
06/21/2011 | US7966569 Method and system and program storage device for storing oilfield related data in a computer database and displaying a field data handbook on a computer display screen |
06/21/2011 | CA2726197A1 Method of using corrosion inhibitors of dithiazines and derivatives thereof |
06/21/2011 | CA2648910C Drilling fluid flow diverter |
06/16/2011 | WO2011071903A2 Dissolvable tool and method |
06/16/2011 | WO2011071392A1 Rotating pressure reduction turbine with cog wheels for a well stream having a hydraulic power transmission for operation of an electricity generator |
06/16/2011 | US20110139459 Subsea Control Jumper Module |
06/16/2011 | US20110139434 Method and Apparatus for Demagnetizing a Borehole |
06/15/2011 | CN102094583A Underground composite cable and mounting device matched therewith |
06/08/2011 | EP2328836A2 Compressor for pressurising carbon dioxide |
06/08/2011 | CN102089493A Offshore unit and method of installing wellhead platform using the offshore unit |
06/03/2011 | WO2010109340A3 Method, apparatus and system for a supervisory system for carbon sequestration |
06/01/2011 | EP2326792A2 Pressure relieving transition joint |
06/01/2011 | CN201851088U Annular pressure manual chemical agent adding device for oil well |
05/31/2011 | US7953585 Integrated reservoir optimization |
05/31/2011 | CA2437678C Apparatus and method for wellbore isolation |
05/26/2011 | WO2011060802A1 Control and supply unit |
05/25/2011 | CN201843587U Pedal device for polished rod |
05/24/2011 | US7946360 Downhole drilling of a lateral hole |
05/24/2011 | CA2501722C Optimizing well system models |
05/19/2011 | WO2011004161A3 Flow restrictor device |
05/19/2011 | WO2010029285A3 Marine carbon sequestration |
05/19/2011 | US20110114327 Deploying an electrically-activated tool into a subsea well |
05/19/2011 | US20110114326 Multi-piece stacked sealing system and method of using same |
05/18/2011 | EP2321492A2 Drill string mounted rotatable tool and cleaning method |
05/12/2011 | WO2011000534A3 Drip mat |
05/12/2011 | US20110108281 Method of providing buoyancy for a drilling riser |
05/11/2011 | CN102052061A Mobile maintenance station for petroleum drilling tool |
05/10/2011 | US7938178 Distributed temperature sensing in deep water subsea tree completions |
05/05/2011 | WO2011053585A2 Method of mitigating corrosion rate of oilfield tubular goods |
05/05/2011 | WO2011017419A3 Systems and methods for monitoring corrosion in a well |
05/05/2011 | WO2011007172A3 Process |
05/05/2011 | WO2010145676A8 Method of creating a carbon dioxide hydrate |
05/05/2011 | WO2010037137A3 Downhole device actuator and method |
05/05/2011 | US20110100636 Underwater hydrocarbon transport apparatus |
05/05/2011 | US20110100635 System for drilling under balanced wells |
05/05/2011 | CA2778721A1 Method of mitigating corrosion rate of oilfield tubular goods |
05/04/2011 | CN201819250U Well head ignition device |
05/04/2011 | CN201818283U Liquid-filling device for well sleeve tube |
05/04/2011 | CN102040992A Rod blockage prevention liquid for carbon dioxide huff-puff enhanced oil recovery and injection method thereof |
05/03/2011 | CA2600125C Method and apparatus for slurry and operation design in cuttings re-injection |
04/28/2011 | WO2011050020A2 Ball tray organizer for subterranean complex completions |
04/28/2011 | US20110094749 Purge System |
04/28/2011 | CA2773845A1 Integrated enhanced oil recovery process |
04/27/2011 | EP2313650A2 Energy generator |
04/27/2011 | EP2313607A1 Method and apparatus for configuring oil and/or gas producing system |
04/27/2011 | EP2313605A2 Offshore unit and method of installing wellhead platform using the offshore unit |
04/27/2011 | CN201810275U Water faucet test run supporting frame |
04/26/2011 | CA2541459C Method system and program storage device for simulating interfacial slip in a hydraulic fracturing simulator software |
04/21/2011 | WO2011045005A1 Method and apparatus for monitoring cement sheath degradation related to co2 exposure |
04/21/2011 | WO2010131113A3 System and method for performing wellsite containment operations |
04/21/2011 | US20110088904 In situ recovery from a hydrocarbon containing formation |
04/20/2011 | CN201802877U Hydraulic control ventilating switch valve |
04/20/2011 | CN201802358U High pressure hydrant |
04/19/2011 | US7926593 Rotating control device docking station |
04/19/2011 | CA2590767C Geometrical optimization of multi-well trajectories |
04/14/2011 | WO2011020916A3 System for flare gas recovery |
04/14/2011 | WO2010149953A3 Carbon capture and storage using minimal offshore structures |
04/14/2011 | WO2010101733A4 Tool for locating and plugging lateral wellbores |
04/14/2011 | CA2776858A1 Method and apparatus for drilling a probabilistic approach |
04/13/2011 | EP2309259A1 Methods and apparatus for monitoring cement sheath degradation related to CO2 exposure |
04/13/2011 | EP2307665A1 Downhole power generation |
04/12/2011 | CA2684399C An integrated device for the treatment of drill cuttings |
04/12/2011 | CA2540175C Activity data capture system for a well service vehicle |
04/07/2011 | US20110081208 Automatically adjustable caisson clamp |
04/07/2011 | US20110079395 Method and system for running subsea test tree and control system without conventional umbilical |
04/06/2011 | CN102003166A Gravity type oil well downhole continuous chemical adding device |
04/05/2011 | CA2512641C Apparatus and methods for drilling a wellbore using casing |
03/31/2011 | WO2011038107A2 Method and apparatus for injecting fluid in a wellbore |
03/31/2011 | WO2010116316A3 Method and system for completing a well |
03/31/2011 | US20110073323 Line retention arrangement and method |
03/31/2011 | US20110073298 Environmental containment and protection system |
03/31/2011 | CA2773648A1 Method and apparatus for determining locations of multiple casings within a wellbore conductor |
03/30/2011 | CN201780650U High-voltage transmission line alarm of wagon drill |
03/30/2011 | CN201778793U Underground drug adding device |
03/29/2011 | CA2457672C Downhole nmr processing |
03/24/2011 | WO2010037448A3 Compressor for pressurising carbon dioxide |
03/23/2011 | EP2299052A2 Well assembly with removable fluid restricting member |
03/23/2011 | EP2299051A2 Stabplate connections |
03/23/2011 | EP1669736B1 Gas concentration flux measuring device |
03/22/2011 | CA2573670C System and method for deflection compensation in power drive system for connection of tubulars |
03/22/2011 | CA2508852C Drilling method |
03/16/2011 | EP2295718A2 Stand-alone frac liner system |
03/10/2011 | US20110060573 Decision Management System and Method |