| Patents for E21B 28 - Vibration generating arrangements for boreholes or wells, e.g. for stimulating production (888) |
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| 11/29/2006 | CN1871493A Method and system for monitoring fluid flow |
| 11/16/2006 | WO2006120257A1 Method for the treatment of the obstructed zones of the parent rock of hydrocarbon-producing strata adjacent to a gas and oil well drilling zone in order to increase productivity |
| 11/09/2006 | US20060249286 Method and device for producing wave action on a production stratum |
| 10/18/2006 | CN1280520C Device and method for improving heavy oil yield |
| 10/12/2006 | US20060225922 Vibrational heads and assemblies and uses thereof |
| 10/04/2006 | CN2823533Y Acoustic self vibration oil increasing device |
| 10/03/2006 | US7114560 Methods for enhancing treatment fluid placement in a subterranean formation |
| 10/03/2006 | CA2202328C Method and apparatus for measuring formation pressure |
| 09/27/2006 | CN1839244A Acoustic heads and assemblies and uses thereof |
| 09/21/2006 | WO2005086565A3 Leadless sub assembly for downhole detection system |
| 09/19/2006 | US7108060 Fracturing different levels within a completion interval of a well |
| 08/17/2006 | WO2006085773A1 Sound source for stimulation of oil reservoirs |
| 08/17/2006 | CA2597567A1 Sound source for stimulation of oil reservoirs |
| 08/15/2006 | US7090153 Flow conditioning system and method for fluid jetting tools |
| 08/02/2006 | EP1387875B1 Integrated bitumen production and gas conversion |
| 07/26/2006 | EP1682746A1 Running and cementing tubing |
| 07/12/2006 | CN1263940C Fracturing different levels within completion interval of well |
| 07/12/2006 | CN1263827C Integrated bitumen production and gas conversion |
| 07/05/2006 | EP1583887B8 Method and device for intensifying the permeability of ground layers close to bore holes and filter bodies and filter layers in wells and other production wells |
| 07/05/2006 | CN2793308Y Self-vibrating oil increaser of pumping unit |
| 06/29/2006 | US20060137872 Method and device for intensifying the permeability of ground layers close to bore holes and filter bodies and filter layers in wells and other produciton wells |
| 06/27/2006 | US7066250 Well tubing/casing vibrator apparatus |
| 06/21/2006 | EP1514008A4 Acoustic doppler downhole fluid flow measurement |
| 06/21/2006 | EP1448867B1 Thermoacoustic electric power generation |
| 06/20/2006 | US7063144 Acoustic well recovery method and device |
| 06/20/2006 | US7063141 Apparatus for agitated fluid discharge |
| 06/13/2006 | US7059413 Method for intensification of high-viscosity oil production and apparatus for its implementation |
| 06/13/2006 | US7059403 Electroacoustic method and device for stimulation of mass transfer processes for enhanced well recovery |
| 06/08/2006 | US20060118296 Well device for throttle regulation of inflowing fluids |
| 05/25/2006 | US20060108123 System for radially expanding tubular members |
| 05/25/2006 | US20060108111 Increasing media permeability with acoustic vibrations |
| 05/17/2006 | EP1583887B1 Method and device for intensifying the permeability of ground layers close to bore holes and filter bodies and filter layers in wells and other production wells |
| 05/11/2006 | US20060096752 Electroacoustic method and device for stimulation of mass transfer processes for enhanced well recovery |
| 05/04/2006 | WO2005116387A3 Deployment system |
| 05/04/2006 | US20060090891 Fracturing head with replaceable inserts for improved wear resistance and method of refurbishing same |
| 05/03/2006 | CN1766282A Sand-proof hydraulic vibrating apparatus for high density filling |
| 04/27/2006 | US20060086498 Harvesting Vibration for Downhole Power Generation |
| 04/26/2006 | EP1649133A1 Sonic heads and assemblies and uses thereof |
| 04/20/2006 | WO2005042984A3 Method and system for monitoring fluid flow |
| 04/11/2006 | US7025143 Method for removing a deposit using pulsed fluid flow |
| 04/06/2006 | US20060070740 System and method for fracturing a hydrocarbon producing formation |
| 04/06/2006 | CA2581165A1 Method and apparatus for reducing a skin effect in a downhole environment |
| 03/28/2006 | US7017681 Device for performing hydrodynamic action on wellbore walls |
| 03/14/2006 | US7011158 Method and apparatus for well bore cleaning |
| 03/09/2006 | US20060048934 Agitator tool |
| 02/07/2006 | US6994167 Method and system for cement lining a wellbore |
| 01/26/2006 | US20060016591 Apparatus and method for agitating reservoir while pumping |
| 01/05/2006 | WO2005086736A3 Providing a local response to a local condition in an oil well |
| 12/29/2005 | US20050284624 Apparatus for inducing vibration in a drill string |
| 12/24/2005 | CA2510532A1 Apparatus for inducing vibration in a drill string |
| 12/22/2005 | WO2005120816A1 Downhole ultrasonic well cleaning device |
| 12/22/2005 | CA2566653A1 Downhole ultrasonic well cleaning device |
| 12/21/2005 | EP1350309A4 Internal power source for downhole detection system |
| 12/13/2005 | US6973972 non-chemical scale reduction during oil and gas production using a device having a sound transducer; the device can be used downhole and functions independently of an external power supply |
| 12/08/2005 | WO2005116387A2 Deployment system |
| 12/08/2005 | US20050269097 System and method for the mitigation of paraffin wax deposition from crude oil by using ultrasonic waves |
| 12/08/2005 | US20050269078 Downhole ultrasonic well cleaning device |
| 11/24/2005 | US20050257931 Apparatus and method of applying force to a stuck object in a wellbore |
| 11/22/2005 | CA2390728C Technique for facilitating the pumping of fluids by lowering fluid viscosity |
| 11/16/2005 | CN2740768Y Vibrating oil extractor |
| 11/01/2005 | US6959760 Downhole pulser |
| 10/20/2005 | US20050230101 Method and apparatus to vibrate a downhole component |
| 10/12/2005 | EP1583887A1 Method and device for intensifying the permeability of ground layers close to bore holes and filter bodies and filter layers in wells and other production wells |
| 09/29/2005 | WO2005090746A1 Method for intensification of high-viscosity oil production and apparatus for its implementation |
| 09/22/2005 | WO2005087393A1 Vibrational heads and assemblies and uses thereof |
| 09/22/2005 | WO2005086736A2 Providing a local response to a local condition in an oil well |
| 09/22/2005 | WO2005086565A2 Leadless sub assembly for downhole detection system |
| 09/22/2005 | US20050205254 Method for intensification of high-viscosity oil production and apparatus for its implementation |
| 09/22/2005 | CA2789735A1 Providing a local response to a local condition in an oil well |
| 09/22/2005 | CA2789217A1 Drilling method |
| 09/22/2005 | CA2789215A1 Drilling with a muscular drill string |
| 09/22/2005 | CA2789181A1 System for controlling oil well drill dynamics |
| 09/08/2005 | US20050194183 Providing a local response to a local condition in an oil well |
| 09/07/2005 | EP1350006A4 Method and apparatus for treating a wellbore with vibratory waves to remove particles therefrom |
| 09/06/2005 | US6938458 Acoustic doppler downhole fluid flow measurement |
| 09/01/2005 | US20050189108 Pressure and strain pulsing injected liquid; increasing permeability of ground material around bore holes |
| 08/10/2005 | EP1250512B1 Vibration based downhole power generator |
| 08/10/2005 | CN2716494Y Vertical guided wave multidimensional oil production vibration equipment |
| 07/21/2005 | US20050155758 Well tubing/casing vibratior apparatus |
| 07/14/2005 | DE10361983A1 Verfahren und Vorrichtung zur Intensivierung der Durchlässigkeit von bohrungsnahen Bodenschichten sowie von Filterkörpern und Filterschichten in Brunnen und anderen Förderbohrungen Method and apparatus for intensifying the permeability of hole near the bottom layers and of filter bodies and filter layers in wells and other production wells |
| 07/07/2005 | US20050145390 Apparatus and method for expanding tubular members |
| 06/21/2005 | US6907927 Method and apparatus to vibrate a downhole component |
| 06/15/2005 | EP1541801A2 Method and apparatus to vibrate a downhole component |
| 06/07/2005 | CA2232948C Enhancement of flow rates through porous media |
| 06/01/2005 | EP1232330A4 Method and apparatus for seismic stimulation of fluid-bearing formations |
| 05/31/2005 | US6899175 Method and apparatus for seismic stimulation of fluid-bearing formations |
| 05/12/2005 | CA2543453A1 Method and system for monitoring fluid flow |
| 04/27/2005 | CN1609405A Ultrasound method for displacement of reservoir oil |
| 03/31/2005 | US20050067193 Pressure reading tool |
| 03/31/2005 | US20050067005 Thermoacoustic electric power generation |
| 03/16/2005 | EP1514997A2 Vibration based downhole power generator |
| 03/16/2005 | EP1514008A1 Acoustic doppler downhole fluid flow measurement |
| 03/09/2005 | CN1592816A Thermoacoustic electric power generator |
| 02/17/2005 | WO2005014970A1 Shear strength reduction method and apparatus |
| 02/17/2005 | US20050034530 Acoustic doppler downhole fluid flow measurement |
| 02/10/2005 | US20050028983 Vibrating system and method for use in scale removal and formation stimulation in oil and gas recovery operations |
| 02/08/2005 | US6851473 Enhancement of flow rates through porous media |
| 01/19/2005 | EP1234099B1 Downhole pulser |
| 01/13/2005 | US20050006146 Shear strength reduction method and apparatus |
| 01/13/2005 | US20050006088 Acoustic well recovery method and device |