| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 01/08/2008 | CA2503057C Multi-function well servicing vehicle |
| 01/08/2008 | CA2437335C Optimization of reservoir, well and surface network systems |
| 01/08/2008 | CA2295675C Creating zonal isolation between the interior and exterior of a well system |
| 01/08/2008 | CA2262452C Apparatus and methods for completing a wellbore |
| 01/08/2008 | CA2246184C Methods of completing and producing a subterranean well and associated apparatus |
| 12/27/2007 | CA2655944A1 Rigless well intervention apparatus and method |
| 12/26/2007 | CN200996285Y Blow-down spraying pipeline buffering box with well-drilling control |
| 12/26/2007 | CN101094969A Remote delivery of latex drag-reducing agent |
| 12/25/2007 | US7311468 Process for the disposal of sulfur |
| 12/21/2007 | WO2007145617A1 Downhole pressure balanced electrical connections |
| 12/21/2007 | WO2007120786B1 Methods for designing and fabricating earth-boring rotary drill bits having predictable walk characteristics and drill bits configured to exhibit predicted walk characteristics |
| 12/19/2007 | EP1867832A1 Choke valve for fluid injection in geological formations |
| 12/19/2007 | CN101089358A Method and apparatus to facilitate wet or dry control line connection for the downhole environment |
| 12/18/2007 | CA2505628C Apparatus and method for moving drilled cuttings |
| 12/13/2007 | US20070285275 Remote Actuation of a Downhole Tool |
| 12/13/2007 | US20070284148 System and method for damping vibration in a drill string |
| 12/11/2007 | US7306056 Directional cased hole side track method applying rotary closed loop system and casing mill |
| 12/11/2007 | US7306054 Method for improving drilling depth measurements |
| 12/11/2007 | US7306043 System and method to control multiple tools through one control line |
| 12/11/2007 | US7306035 Process for treating a formation |
| 12/11/2007 | CA2492286C Running a completion assembly without killing a well |
| 12/11/2007 | CA2461384C Drill pipe protector |
| 12/06/2007 | WO2007140211A1 System and method for optimization of gas lift rates on multiple wells |
| 12/06/2007 | WO2007140204A1 System and method for multivariable control in three-phase separation oil and gas production |
| 12/06/2007 | WO2007139388A1 An apparatus for operating controllable installation means |
| 12/06/2007 | WO2007137424A1 Impulse rotor generator |
| 12/06/2007 | CA2657987A1 An apparatus for operating controllable installation means |
| 12/04/2007 | CA2504578C Force transfer apparatus to assist release of loaded member |
| 12/04/2007 | CA2296054C Computer controlled injection wells |
| 11/29/2007 | WO2003097987A3 A device for a long well tool |
| 11/29/2007 | US20070272402 Wellhead isolation tool, wellhead assembly incorporating the same, and method of fracturing a well |
| 11/29/2007 | DE102006002784B4 Use of sulfur amide compound and an amine compound, as corrosion inhibitors on and in the preparation and transport of hydrocarbons in the preparation and processing of petroleum, and in metal processing auxiliary agent |
| 11/28/2007 | EP1210498B1 Smart shuttles to complete oil and gas wells |
| 11/27/2007 | US7299878 High pressure multiple branch wellbore junction |
| 11/27/2007 | CA2524554C Electrical energy from a wellbore light cell |
| 11/27/2007 | CA2264632C Wellbores utilizing fiber optic-based sensors and operating devices |
| 11/27/2007 | CA2147592C Integrated modulator and turbine-generator for a measurement while drilling tool |
| 11/22/2007 | WO2002079659A3 Method for preventing critical annular pressure buildup |
| 11/22/2007 | US20070271077 Optimizing Well System Models |
| 11/21/2007 | CN100350130C Method and apparatus for research and evaluation of foundation type |
| 11/20/2007 | US7296637 Oil drilling tool |
| 11/15/2007 | WO2007128425A1 Borehole cleaning using downhole pumps |
| 11/15/2007 | WO2007100857A3 Nozzle that produce angular momentum and methods for making and using same |
| 11/15/2007 | WO2005017302A3 Changing the temperature of offshore produced water |
| 11/15/2007 | US20070261853 Compounds of formula (I) are particularly efficacious in the treatment of conduits i.e. flowlines and pipelines containing produced subterranean formation fluids and subterranean formations, such as during matrix acidizing, acid fracturing, pickling and acid washing |
| 11/15/2007 | US20070261842 Treatment Process for Inhibiting Top of Line Corrosion of Pipes Used in the Petroleum Industry |
| 11/15/2007 | CA2650793A1 Borehole cleaning using downhole pumps |
| 11/14/2007 | EP1620628A4 Arctic platform |
| 11/14/2007 | CN200975233Y Down-hole slow corroding antisludging equipment for oil gas field |
| 11/13/2007 | US7295491 High impact communication and control system |
| 11/13/2007 | CA2421137C Realtime control of a drilling system using an output from the combination of an earth model and a drilling process model |
| 11/11/2007 | CA2585358A1 Downhole electrical-to-hydraulic conversion module for well completions |
| 11/08/2007 | WO2007127899A2 Molds and methods of forming molds associated with manufacture of rotary drill bits and other downhole tools |
| 11/08/2007 | WO2007126676A2 In situ co-development of oil shale with mineral recovery |
| 11/08/2007 | WO2007125509A1 Intervention tool with operational parameter senors |
| 11/08/2007 | WO2007100703A3 Well planning system and method |
| 11/08/2007 | WO2007072200A3 Method and apparatus for sub sea power generation |
| 11/08/2007 | CA2650000A1 Intervention tool with operational parameter sensors |
| 11/07/2007 | EP1852718A2 Downhole NMR processing |
| 11/07/2007 | EP1852571A1 Borehole cleaning using downhole pumps |
| 11/07/2007 | EP1412555B1 Corrosion inhibitors with improved water solubility and improved film persistence |
| 11/06/2007 | US7292967 Methods for evaluating cutting arrangements for drill bits and their application to roller cone drill bit designs |
| 11/06/2007 | US7290617 Running a completion assembly without killing a well |
| 11/06/2007 | CA2418530C Method and system for performing an operation in a well |
| 11/06/2007 | CA2400602C Pressure boost pump |
| 11/01/2007 | WO2007124097A2 Drill string flow control valves and methods |
| 11/01/2007 | WO2007122430A1 Autonomous shut-off valve system |
| 11/01/2007 | US20070255779 Method For Solving Implicit Reservoir Simulation Matrix |
| 11/01/2007 | US20070254816 Method for Controlled Placement of Chemicals and Composition Useful for Practicing Same |
| 10/30/2007 | CA2544366C A natural gas compressor and a system for operating the same |
| 10/25/2007 | WO2007120786A1 Methods for designing and fabricating earth-boring rotary drill bits having predictable walk characteristics and drill bits configured to exhibit predicted walk characteristics |
| 10/25/2007 | WO2007118971A1 Hollow flame versatile burner for hydrocarbons |
| 10/25/2007 | US20070246994 In situ co-development of oil shale with mineral recovery |
| 10/25/2007 | US20070246265 Drill string flow control valves and methods |
| 10/25/2007 | CA2648192A1 Methods for designing and fabricating earth-boring rotary drill bits having predictable walk characteristics and drill bits configured to exhibit predicted walk characteristics |
| 10/25/2007 | CA2646388A1 Hollow flame versatile burner for hydrocarbons |
| 10/18/2007 | WO2007116008A1 Method for optimising the production of a cluster of wells |
| 10/18/2007 | WO2007116006A1 Method for production metering of oil wells |
| 10/18/2007 | CA2645902A1 Method for optimising the production of a cluster of wells |
| 10/18/2007 | CA2645253A1 Method for production metering of oil wells |
| 10/16/2007 | US7281587 Apparatus and methods for tubular makeup interlock |
| 10/11/2007 | US20070237467 System and Method for Performing and Protecting Hybrid Line Splices |
| 10/09/2007 | US7278497 Method for extracting coal bed methane with source fluid injection |
| 10/09/2007 | CA2413794C Inductively coupled method and apparatus of communicating with wellbore equipment |
| 10/04/2007 | US20070227776 Borehole Telemetry System |
| 10/04/2007 | US20070227740 Flying Lead Connector and Method for Making Subsea Connections |
| 10/03/2007 | CN200955380Y Driller control-pipe-cable connection apparatus |
| 10/02/2007 | US7277359 Navigation processor, a system comprising such a navigation processor and a method of controlling an underwater system by such a navigation processor |
| 10/02/2007 | US7275598 Uncollapsed expandable wellbore junction |
| 10/02/2007 | CA2280403C Set-up process of a development facility |
| 10/02/2007 | CA2240479C Method and system for detecting the precession of a component of a drill string |
| 09/27/2007 | WO2007108823A1 System and method of installing and maintaining an offshore exploration and production system having an adjustable buoyancy chamber |
| 09/27/2007 | WO2007108698A1 Tool handling device in a drilling rig situated on the seabed |
| 09/27/2007 | WO2007108697A1 Sealed pipe coupling unit for a drilling rig device situated on the seabed |
| 09/27/2007 | WO2007108696A1 Drilling rig situated on the seabed, including a separation device |
| 09/27/2007 | WO2007108672A1 Pre-assembly of a subsea base and pipeline |
| 09/27/2007 | US20070221380 Surface controlled subsurface lateral branch safety valve |
| 09/27/2007 | CA2644919A1 Separation device for material from a drilling rig situated on the seabed |
| 09/26/2007 | EP1837482A1 System and method of installing and maintaining an offshore exploration and production system having an adjustable buoyancy chamber |
| 09/26/2007 | EP1567746B1 Apparatus and method for opening and closing lateral boreholes |