| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 07/14/2009 | CA2369473C Sand barrier for a level 3 multilateral wellbore junction |
| 07/09/2009 | WO2009086180A2 Cladding for fatigue control |
| 07/09/2009 | US20090173545 Air filtration for rock drilling |
| 07/09/2009 | US20090173502 Offshore Installation Attachment System |
| 07/09/2009 | US20090173495 Drifting Tubing |
| 07/09/2009 | US20090173493 Interface and method for transmitting information to and from a downhole tool |
| 07/07/2009 | CA2411701C Downhole window finder and method of using the same |
| 07/02/2009 | US20090168606 Interactive and/or secure acivation of a tool |
| 07/02/2009 | US20090166091 Drill bit and design method for optimizing distribution of individual cutter forces, torque, work, or power |
| 07/02/2009 | US20090166045 Harvesting vibration for downhole power generation |
| 07/02/2009 | US20090166023 Well Having Inductively Coupled Power and Signal Transmission |
| 06/30/2009 | CA2646814A1 Oilfield equipment composed of a base material reinforced with a composite material |
| 06/25/2009 | WO2009079160A1 Optimizing drilling operations using petrotechnical data |
| 06/25/2009 | WO2009030756A3 Method for prediction in an oil/gas production system |
| 06/23/2009 | CA2523862C Apparatus for radially expanding and plastically deforming a tubular member |
| 06/23/2009 | CA2360234C Method and apparatus for enclosing an oil drilling rig |
| 06/18/2009 | WO2009074768A1 Corrosion inhibitor intensifier compositions and associated methods |
| 06/18/2009 | WO2009073960A1 Staged actuation shear sub for use downhole |
| 06/18/2009 | WO2009058635A3 An intelligent drilling advisor |
| 06/18/2009 | WO2009009447A3 Downhole electricity generation |
| 06/18/2009 | US20090151952 Energized fluids and pressure manipulation for subsurface applications |
| 06/18/2009 | US20090151927 Combined nitrogen generation system and well servicing fluid system in one power unit apparatus |
| 06/17/2009 | CN101460701A Methods for designing and fabricating earth-boring rotary drill bits having predictable walk characteristics and drill bits configured to exhibit predicted walk characteristics |
| 06/16/2009 | US7546884 Method and apparatus and program storage device adapted for automatic drill string design based on wellbore geometry and trajectory requirements |
| 06/11/2009 | WO2009073803A1 Method and apparatus for off-rig processing rig sensor data |
| 06/11/2009 | WO2009073414A2 Magnetic motor shaft couplings for wellbore applications |
| 06/11/2009 | WO2009073267A2 Harvesting energy in remote locations |
| 06/11/2009 | WO2009073265A1 Harvesting energy from flowing fluid |
| 06/09/2009 | US7546228 Stochastically generating facility and well schedules |
| 06/09/2009 | CA2483135C Erosion-indicating safety fitting |
| 06/04/2009 | WO2009068316A1 System and method for drilling lateral boreholes |
| 06/04/2009 | WO2009068315A1 System and method for drilling and completing lateral boreholes |
| 06/04/2009 | US20090139730 Mechanical seal and lock for tubing conveyed pump system |
| 06/03/2009 | EP2065554A1 System and method for drilling and completing lateral boreholes |
| 06/03/2009 | EP2065553A1 System and method for drilling lateral boreholes |
| 06/03/2009 | EP2064411A2 Downhole hydraulic control system with failsafe features |
| 06/03/2009 | EP1606526A4 Method for preventing critical annular pressure buildup |
| 06/02/2009 | CA2456104C Completion of lateral well bores |
| 06/02/2009 | CA2357719C Method for creating secondary sidetracks in a well system |
| 05/28/2009 | WO2009040511A3 Deadleg |
| 05/28/2009 | US20090134631 Harvesting energy in remote locations |
| 05/27/2009 | EP1774279A4 Method and apparatus for determining system integrity for an oilfield machine |
| 05/26/2009 | US7539625 Method and apparatus and program storage device including an integrated well planning workflow control system with process dependencies |
| 05/26/2009 | CA2518731C Inferred production rates of a rod pumped well from surface and pump card information |
| 05/22/2009 | WO2009065124A1 Tubular control apparatus |
| 05/22/2009 | WO2009063189A2 Methods for geomechanical fracture modeling |
| 05/22/2009 | WO2009062726A1 Methods for cuttings removal for a wireline drilling tool |
| 05/22/2009 | CA2705813A1 Tubular control apparatus |
| 05/21/2009 | US20090126933 Device and method for retrieving debris from a well |
| 05/20/2009 | CN100489558C Method for solving implicit reservoir simulation matrix equation |
| 05/19/2009 | US7534096 Method and system for improving pump efficiency and productivity under power disturbance conditions |
| 05/19/2009 | CA2557947C Improved nozzle bore for pdc bits |
| 05/19/2009 | CA2400991C Foundation for suction in installation of conductor casing |
| 05/15/2009 | CA2768031A1 Modular apparatus for production testing |
| 05/14/2009 | WO2009061542A1 Gravel packing methods |
| 05/14/2009 | WO2009061187A2 Method for introducing co2 into the ground |
| 05/14/2009 | US20090120639 Methods for controlling migration of particulates in a subterranean formation |
| 05/14/2009 | CA2700580A1 Gravel packing methods |
| 05/12/2009 | US7530401 Tool trap assembly and method |
| 05/12/2009 | CA2482912C System and method for interpreting drilling data |
| 05/12/2009 | CA2447306C Packer fluid |
| 05/07/2009 | WO2009058635A2 An intelligent drilling advisor |
| 05/07/2009 | CA2703376A1 An intelligent drilling advisor |
| 05/06/2009 | EP2054347A1 Treating liquids in oil extraction |
| 05/06/2009 | CN101424177A Down-in type marginal oil field underwater drilling basal disc for drilling ship and manufacture and installation method |
| 05/06/2009 | CN101424176A Cementing stopping ring seal structure between guide pile pipe of underwater basal disc and pile pipe sleeve |
| 05/06/2009 | CN101424175A Hoisting system for underwater drilling basal disc |
| 04/30/2009 | WO2007064591A3 Wellbore motor having magnetic gear drive |
| 04/30/2009 | DE102007041217B3 Verwendung von Zusammensetzungen als Korrosionsinhibitoren enthaltend amphotere Tenside und die Zusammensetzungen The use of compositions as corrosion inhibitors containing amphoteric surfactants and the compositions |
| 04/30/2009 | DE102007041216B3 Verwendung von Zusammensetzungen als Korrosionsinhibitoren enthaltend kationische Tenside und die Zusammensetzungen The use of compositions as corrosion inhibitors containing cationic surfactants and the compositions |
| 04/30/2009 | DE102007041204B3 Verwendung von Zusammensetzung als Korrosionsinhibitoren enthaltend anionische Tenside und die Zusammensetzungen Use of composition as corrosion inhibitors comprising anionic surfactants and the compositions |
| 04/29/2009 | EP2052448A1 A subsea arrangement |
| 04/29/2009 | EP2052447A1 A subsea switchgear apparatus |
| 04/29/2009 | CN201228634Y Operation site dirty oil and waste liquor recovery device |
| 04/29/2009 | CN101421489A Method for production metering of oil wells |
| 04/28/2009 | CA2409872C Sealed lateral wellbore junction |
| 04/28/2009 | CA2401791C Wireless power and communications cross-bar switch |
| 04/23/2009 | WO2006116632A3 Conductor pipe string deflector and method of using same |
| 04/23/2009 | US20090101346 In situ recovery from a hydrocarbon containing formation |
| 04/23/2009 | CA2697426A1 Method and device |
| 04/22/2009 | EP2049389A1 Improvements in or relating to water suction hoses |
| 04/22/2009 | CN101415905A Method for optimising the production of a cluster of wells |
| 04/21/2009 | US7520323 Interactive and/or secure activation of a tool |
| 04/16/2009 | WO2009048935A2 Method, apparatus, and magnet for magnetically treating fluids |
| 04/16/2009 | WO2009048776A2 Coarse wellsite analysis for field development planning |
| 04/16/2009 | WO2006049909A3 Single bore high flow junction plate |
| 04/16/2009 | US20090095485 Tube Buoyancy Can System |
| 04/16/2009 | CA2769568A1 Method, apparatus, and magnet for magnetically treating fluids |
| 04/16/2009 | CA2702593A1 Method, apparatus, and magnet for magnetically treating fluids |
| 04/16/2009 | CA2696820A1 Coarse wellsite analysis for field development planning |
| 04/15/2009 | EP2047060A2 Fluid flowrate determination |
| 04/14/2009 | CA2314856C Lateral entry guidance system |
| 04/09/2009 | WO2009044304A1 Method and system for reducing heat loss from subsea structures |
| 04/07/2009 | CA2639386A1 Turbine for power generation in a drill string |
| 04/04/2009 | CA2639869A1 Wellhead isolation sleeve assembly |
| 04/02/2009 | WO2009042494A2 Modular power source for subsurface systems |
| 04/02/2009 | WO2009040511A2 Deadleg |
| 04/02/2009 | CA2700698A1 Deadleg |
| 04/01/2009 | EP2041462A1 An apparatus for operating controllable installation means |
| 04/01/2009 | EP1718839B1 System tank and output unit for transporting untreated drill cuttings |