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