Class 417/108 - Aerated column

Subclass of Class 417 - Pumps
Definition: Apparatus comprising a vertical column into which the liquid
No. of patents: 40
Last issue date: 02/19/2008

Number	Title	Issue Date
7331397	Gas drive fluid lifting system A passive collection and pneumatic lifting system located in a well comprising a pneumatic tube, a fluid tube mounted within the pneumatic tube creating an annulus and a jet barrel chamber formed between the pneumatic tube and fluid tube in fluid communication at th...	02/19/2008
7086417	Gas flow control device Invention is of an improvement to seat of gate valves used for gas-lift producing oil wells, consisting of a seat lower part of which is curved there being a straight vertical art and a sloping straight lower part, central spacing consisting of a first part in the s...	08/08/2006
7063161	Artificial lift with additional gas assist Well pumping of fluids having low hydrostatic pressure is provided through a combination of jet pumping and gas assisted lifting. A jet pump is located in a borehole in a producing zone of a well, and a source of gas is introduced into the fluid returning from the p...	06/20/2006
6780335	Liquid separation and extraction A process for the separation and extraction of liquid from a multi-component fluid within a conduit in which said liquid tends to settle, said process comprising introduction of a coil tubing into a predetermined settlement region within said conduit, said tubing ha...	08/24/2004
6638024	Hydraulic air compressor system--employing a body of fluid to provide compression A gas compression system including a body of fluid and a down pipe. A first end of the down pipe is positioned to receive a fluid from a source above a surface of the body of fluid and a second end is positioned at a lower level of the body of fluid. A ga...	10/28/2003
6357530	System and method of utilizing an electric submergible pumping system in the production of high gas to liquid ratio fluids A system for producing production fluids from a wellbore while removing gas that collects in pockets within the wellbore. The system includes an electric submergible pumping unit. The unit includes a submergible pump powered by a submergible motor. The fl...	03/19/2002
6224342	Conduit pump system to increase water flow capacity An apparatus for increasing the flow of liquid in a conduit provides a barrier positioned in the conduit to prevent flow of liquid past the barrier in a lower region and defining a gap region above that lower region and adjacent the barrier. A duct having...	05/01/2001
5743717	Nozzle-venturi gas lift flow control device A gas flow control device for injecting gas into a production string for recovering pressure and reducing frictional losses, so that critical flow can be reached at lower pressure drops and higher production pressure, includes a nozzle having first and se...	04/28/1998
5707214	Nozzle-venturi gas lift flow control device and method for improving production rate, lift efficiency, and stability of gas lift wells A gas flow control device for injecting gas into a production string for recovering pressure and reducing frictional losses, so that critical flow can be reached at lower pressure drops and higher production pressure, includes a nozzle having first and se...	01/13/1998
5382137	Multiple stage airlift pump A multiple stage airlift pump apparatus for elevating water or other liquids using only a single air pressure source. The functioning portion of the airlift mechanism is enclosed within a casing which is submerged into a body of water. The casing is conne...	01/17/1995
5312232	Pump for molten metal or other fluid A pump having no moving parts which can be used to pump high temperature molten metal or other fluids in a vacuum or low pressure environment, and a method for pumping such fluids. The pump combines elements of a bubble pump with a trap which isolates the...	05/17/1994
5014789	Method for startup of production in an oil well A method of startup of oil production in a gas-lift well in which inlet flow (22) of gas is controlled (46, 42) while means (34, 28) controlling fluid flow from the well is progressively opened. Preferably, fluid flow rate from the well is monitored and v...	05/14/1991
4767938	Fluid dynamic energy producing device A fluid dynamic device is provided which includes a fluid holding and U-shaped conduit having a first leg and a second leg, an electrical generating device positioned between and in flow communication with the first and second legs and being motivated by ...	08/30/1988
4756671	Low damage hydraulic fish pumping system A submersible rotary impeller fish pump augmented by the release of large volumes of pressurized air into the pump's discharge stream during pump operation enables the pumping of fish or other water-borne articles to the same or greater heights at materia...	07/12/1988
4671741	Pipe for elevating liquids through successively arranged accumulating and communicating portions, and device provided therewith A device for elevating liquids in which liquid is raised in a pipe under the action of a pressure difference which is smaller than a pressure difference of a solid liquid column having a height equal to a height of elevation....	06/09/1987
4645427	Metering pump assembly An air lift pump delivers liquid from a sump to an elevated tundish. The tundish is divided by weirs into a plurality of compartments in cascade. Surplus liquid overflows from the upper compartments back to the sump to produce a constant depth in the lowe...	02/24/1987
4643650	Fluid-raising apparatus driven by low hydraulic head A fluid-raising apparatus includes a compression chamber which receives liquid, from an elevated source, such that gas in the chamber is pressurized and used to lift fluid through a vertical conduit. When the chamber fills with liquid, a float lifts a dra...	02/17/1987
4583918	Arrangement for elevating liquid by use of solar and/or wind energy An arrangement for elevating liquid by the use of solar and/or wind energy having a pipe immersed in a liquid, a pipe directed upwardly from the surface of liquid and interconnection for entrapment of liquid, with a pressure differential and an air passag...	04/22/1986
4573877	Apparatus for elevating liquids including a pair of Venturi pipes having wind as motive fluid An arrangement for elevating liquids with the aid of wind has an upper delivery pipe with an upper end connected to a pumping-out device, a lower supply pipe introducable into a water source and having an upper end connected with a constriction of a Ventu...	03/04/1986
4527956	Pipe for elevating liquid, and device provided therewith A pipe for elevating a liquid by liquid portions separated by gas gaps has a plurality of passages each having an inner diameter selected so as to form a stable meniscus film at the borders between the liquid portions and the gas portions and each having ...	07/09/1985
4519749	Wind-solar lift pump A device for the lifting of liquid solely by the use of solar energy is constructed of two vertically disposed pipes, one pipe extending below the surface of the liquid and the second pipe extending above the surface of the liquid. A third pipe, in the fo...	05/28/1985
4508971	Two reservoir solar air-weight impelling hydro power system Using a two Reservoir System, a portion of the water moves from Reservoir to Reservoir. In its path, it collects air, which is expanded by Solar Energy, which helps to move weights, by an expanding and contracting float method to create substantial Hydro ...	04/02/1985
4397612	Gas lift utilizing a liquefiable gas introduced into a well A gas lift method for lifting a well fluid from a well, the method comprising feeding a liquid lifting medium into a first well conduit of the well to maintain a liquid column of liquid lifting medium in the first well conduit to provide a significant liq...	08/09/1983
4392062	Fluid dynamic energy producing device A fluid dynamic device is provided which includes a fluid holding and U-shaped conduit having a first leg and a second leg, an electrical generating device positioned between and in flow communication with the first and second legs and being motivated by ...	07/05/1983
4390061	Apparatus for production of liquid from wells Apparatus for production of liquid from wells such as petroleum wells includes well pipe that extends from the surface downwardly to the level of liquid standing within the well. A string of production tubing is positioned within the well pipe with the an...	06/28/1983
4385871	Wind driven air pump An improved pump for lifting water from an underground source utilizes a wind motor for driving an oil-less air compressor eliminating oil contamination of ground water which is forced to the surface. The wind motor is movable to face the wind by means of...	05/31/1983
4365666	Heat exchanger A heat exchanger including a heat-dissipating element, a heat-receiving element and a circulating means for circulating a liquid in a closed cycle between the heat-dissipating element and the heat-receiving element. The circulating means includes an air/l...	12/28/1982
4355513	Method and apparatus for producing electricity from thermal sea power A method and apparatus of producing useful energy from a large body of water having cold subsurface water and water at the surface which is warmer than the subsurface water. The apparatus comprises a tubular pump to air-lift in a manner to be described co...	10/26/1982
4316680	Air-assisted hydraulic re-circulatory bouyancy pump A pump system for being set up to work in deep water, for use in sea bed mining; the system including three pipes, a first of which carries compressed air downward and to a lower portion of a main second or eduction pipe through which mined material is ca...	02/23/1982
4248043	Apparatus for storing energy and generating electricity Disclosed is apparatus for storing energy and generating electricity. The apparatus comprises (1) first means (10) for storing energy in the form of compressed gas and (2) second means (12) for generating electricity by allowing the gas compressed by the ...	02/03/1981
4245475	Method and apparatus for producing electricity from thermal sea power A method and apparatus are disclosed whereby cold subsurface water in a large body of water is upwelled by air-lifting in vertical jet streams to the surface of the body of water. The cold subsurface water eminates radially in all directions from the vert...	01/20/1981
4183400	Heat exchanger A heat exchanger including a heat-dissipating element, a heat-receiving element and a circulating means for circulating a liquid in a closed cycle between the heat-dissipating element and the heat-receiving element. The circulating means includes an air/l...	01/15/1980
4180980	Hydropressure power A method and apparatus for releasing for use, air that has been absorbed under pressure in sea water or in any other large free body of water. An elongated conduit, or equivalent means, is vertically disposed so that air released from its upper end is col...	01/01/1980
4171187	Air injection sub An air injection sub for use with a dual conduit drill pipe string is provided having inner and outer concentric tubular members which are connected to the corresponding inner and outer conduits of a dual conduit string to provide isolated annular and cen...	10/16/1979
4135364	Air lift pump energy conversion apparatus This apparatus has a plurality of vertical lift tubes immersed in water and arranged to discharge water into a hood at their upper ends for driving a turbine-like fluid motor. Each lift tube receives a much shorter, smaller diameter inner tube at its lowe...	01/23/1979
4110980	Apparatus for producing mechanical kinetic energy from falling water Agitation of the surface of a body of water by a falling stream of water results in the entrainment of air bubbles which are carried underneath the surface. These air bubbles are collected in a tank having a submerged open bottom. Air pressure is produced...	09/05/1978
4083660	Gas drive oil well pumping system having mixing means for the gas/oil mixture The system incorporates conical screens spaced along the producing tubing as mixing means to reduce the separation of gas and oil and enhances the lifting power of the gas. Supplemental lift devices are provided for non-flowing wells. The lift devices inc...	04/11/1978
3971593	Method of extraction of nodular sediments or the like from the sea floor and an installation for carrying In a first step, a mixture of nodular sediments and sea water is collected by dredging along the sea bed and lifted into the separation compartment of an underwater control and storage station connected by tubing to a carrier ship. A volume of air corresp...	07/27/1976
3962046	Method and apparatus for testing properties of liquids Apparatus for measuring the dissolved oxygen content of water comprises an open-ended duct immersed in the water in an upright position, an oxygen-detecting probe in the lower end portion of the duct, and means for injecting a continuous stream of air int...	06/08/1976
3930754	Portable water sampling apparatus Portable, self powered water pumping apparatus for use in sampling water in remotely located wells comprises a wheeled hose reel cart which supports a long length of plastic hose or tubing. The tubing has a small diameter length of inner tubing telescoped...	01/06/1976

PatentStorm

Quotables

PatentStorm News

Class 417/108 - Aerated column