Bizarre Patents
A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7314083 | Slow rotation fluid jetting tool for cleaning a well bore A rotary jetting tool for connection to a hollow, fluid conducting workover string has a main tool body with a hollow central passageway and a rotatable jet carrier mounted on a depending central shaft. A rotor, with fluid conducting passageways is mounted on the ce... | 01/01/2008 |
| 7296627 | Method for simultaneous removal of asphaltene, and/or paraffin and scale from producing oil wells A method for cleaning oil wells to increase the flow of oil thereof by use of a unique aqueous cleaning emulsion comprising of water, hydrocarbon solvent, detergent and mineral acid. This one step method provides for the simultaneously cleaning/removal of asphaltine... | 11/20/2007 |
| 7293608 | Liquid well stimulator A stimulator device and associated method is provided for a subterranean liquid well comprising a pump adapted for selectively evacuating vapor from the borehole of the well above a liquid column in the borehole to opposingly impinge the liquid column to hydrostatic... | 11/13/2007 |
| 7086470 | System and method for wellbore clearing In accordance with one embodiment, a method is provided for clearing the inside of a wellbore including inserting a wellbore clearing system into the wellbore. The wellbore clearing system includes an anchor adapted to be positioned within the wellbore, an agitator ... | 08/08/2006 |
| 7063141 | Apparatus for agitated fluid discharge The pressure reading tool includes a housing with an interior chamber and an orifice extending from the chamber to the exterior of the housing. A pulse member with a magnetostrictive ring and an excitation source are disposed within the chamber to produce a highly a... | 06/20/2006 |
| 7011158 | Method and apparatus for well bore cleaning Apparatus connected to the downhole end of a tubing string for cleaning and flushing wells has a threaded connection to the string and at least one primary jet to direct circulating gases toward the downhole end of the well, together with a plurality of secondary je... | 03/14/2006 |
| 6959760 | Downhole pulser A power generator for use in a wellbore formed in an earth formation, including an internal combustion engine having a cylinder and a piston defining a combustion chamber in the cylinder, the engine being arranged to induce a reciprocating movement to the piston rel... | 11/01/2005 |
| 6863125 | Device for flow and liftgas production of oil-wells (versions) The proposed device for operation of free flowing and gas lift oil wells relates to production of gas-liquid mixtures, and particularly of gasified oil, and can be used in wells if either the productive formation flows naturally or when compressed gas is artificiall... | 03/08/2005 |
| 6705396 | Method and apparatus for producing fluid cavitation A method and apparatus for producing fluid cavitation is provided. For a given channel cross-section of a pressure line, the flow is accelerated so as to reach a speed at which Re>Recr, where Re is the Reynolds number and Recr is the critical R... | 03/16/2004 |
| 6619394 | Method and apparatus for treating a wellbore with vibratory waves to remove particles therefrom A process and apparatus for treating a wellbore, comprising subjecting a substantially same portion of the wellbore to vibratory waves produced by a plurality of vibratory wave generators. The vibratory waves may have about the same frequency or a plurali... | 09/16/2003 |
| 6533035 | Method and apparatus for stimulating well production A method and apparatus for enhancing the production of newly developed water wells and existing wells that have suffered a reduction in capacity due to plugging. A gas line directs gas under pressure to a relief valve carried in the production string at a... | 03/18/2003 |
| 6527050 | Method and apparatus for formation damage removal A method of removing formation damage through the controlled injection of fluids into the formation, followed by a controlled sudden release of pressure in the formation, an under-balanced surge, which causes fluid and damaging materials to flow back into... | 03/04/2003 |
| 6260628 | Use of static mixing element in connection with flow of gas and liquids through a production tubing The present invention relates to a method and a device in connection with a method for transport or flow of gas and liquid in a pipe, by which method there is in the overall or part of the pipe mounted static mixing elements for achieving favorable flows ... | 07/17/2001 |
| 6250386 | Process for stimulation of oil wells There is described a process for the stimulation of an oil reservoir or an oil well for enhanced oil recovery and/or seismic mapping of the reservoir, wherein a sound source is used. This sound source is operated by pressurized oil from the oil well by a ... | 06/26/2001 |
| 6230802 | Method and apparatus for gravel packing a well An apparatus for use in gravel packing a well includes a tool body adapted to be lowered into the well, a screen coupled to the tool body, and a resilient member coupled to the screen. The apparatus is placed at a selected position in the well, and sand c... | 05/15/2001 |
| 6116338 | Inducer for increasing centrifugal pump efficiency in wells producing high viscosity crude oil An device for use down-hole in an oil well for inducing heavy crude oil to flow into the inlet of a centrifugal pump by creating a positive pressure on the bottom inlet of the pump. The device inserts into the down-hole equipment string between the gas se... | 09/12/2000 |
| 5285847 | Water and ground water monitoring well surge block The invention is a water well surge block for agitation of particles in water wells. The surge block utilizes a novel one way valve comprising a shaft in connection with a rigid perforated cylinder having an upper and lower surface and a flexible membrane... | 02/15/1994 |
| 5209293 | Apparatus for fluidizing formation fines entrained in formation fluids entering a production well penetrating an oil-bearing formation A production well penetrating a subsurface oil-bearing formation utilizes perforations in well casing through which formation fluids enter the well. Production tubing extends from the surface of the earth to a position below such perforations. A pump is p... | 05/11/1993 |
| 5190114 | Flow pulsing apparatus for drill string This invention relates to flow pulsing methods and apparatus for various applications including downhole drilling equipment and in particular to an improved flow pulsing method and apparatus of this type to be connected in a drill string above a drill bit... | 03/02/1993 |
| 5009272 | Flow pulsing method and apparatus for drill string This invention relates to flow pulsing methods and apparatus for various applications including downhole drilling equipment and in particular to an improved flow pulsing method and apparatus of this type to be connected in a drill string above a drill bit... | 04/23/1991 |
| 4964464 | Anti-sand bridge tool and method for dislodging sand bridges An anti-sand bridge tool for dislodging a sand bridge between a liner wall and a casing wall of a gravel packed well completion. The tool comprises a tubular sub pipe having a first end and a second end, the first end having means for connecting the tubul... | 10/23/1990 |
