32results about How to "Easy to extract oil" patented technology

The systems and methods recover oil from an emulsified waste stream. A coagulating agent and/or a flocculating agent, or both, are added to the emulsified waste stream to accelerate separation into an aqueous stream and a thickened emulsified stream. The coagulating agent can comprise alum. The flocculating agent can comprise a cationic polymer. Separation of the thickened emulsified stream into an oil-rich component, a second aqueous component, and a solid cake can be effected by mechanical separation in a centrifuge, filter, or press.

Disclosed herein is an economical method for efficiently drying the plant-derived biomass for which there has been no established method for disposal and reuse. This drying method does not impair the value of plant-derived biomass as a fuel. Disclosed also herein is a method for producing a biomass fuel from the plant-derived biomass which has been dried by the aforesaid method. The drying method consists of dehydrating (drying) plant-derived biomass in oil with heating and modifying it simultaneously. Drying in this way partly decomposes the plant-derived biomass, thereby yielding a good constituent for biomass fuel.

The invention relates to a small-diameter tubular pump pump-passing depth checking perforating and pumping combined production method. The method includes adopting a perforating and pumping combined pump and a small-diameter gamma depth checking gauge, tripping in a standing valve along with a perforating and pumping combined tubing string and a pumping-down tool to a design position, tripping in the small-diameter gamma depth checking gauge for pump-passing depth checking, adjusting the tubing string to enable a perforating gun to align to a perforating formation, tripping in a pumping rod plunger and a blanking plug, performing pump bumping and well completion, then performing annulus pressure perforating, and starting to pump and produce after perforating. By the technology, the purposes for accurate located perforating of oil sheets and pumping after perforating are achieved, oil layers are protected effectively, well control safety in construction is improved, and technical support is provided for well-killing-free production of high-pressure oil wells and high-gas-oil-ratio oil wells.

The invention relates to a peanut kernel processing machine for squeezing peanut oil. The machine comprises a rack, a shell breaking device, a screening and drying channel, a stirring and peeling device, a separating channel and a feeding hopper; wherein the rack is divided into an upper rack and a lower rack; wherein a shell breaking cavity and a drying cavity are sequentially formed in the upperrack from top to bottom, the shell breaking device is installed in the shell breaking cavity, the feeding hopper is installed at the upper end of the shell breaking device, the screening and drying channel is formed in the drying cavity, a stirring cavity and a separating cavity are sequentially formed in the lower rack from left to right, the stirring and peeling device is installed in the stirring cavity, and the separating channel is formed in the separating cavity; shelling, peeling and crushing devices are combined together, the overall occupied area is reduced, the mode of peeling afterdrying is adopted, peanut seed coats are dry and crisp, and therefore the peanut seed coats can be easily separated from peanut kernels; oil can be pressed after the peanuts are processed in a smallworkshop, and the dried peanuts are crushed into peanut grains, so that subsequent oil pressing treatment is facilitated.

The invention discloses a tail pipe completion method by plugging an expandable casing on the top of a screen pipe. The scheme includes that after a starting device 6 in a completion string trips into the bottom of an underground intermediate casing 4, a base pipe 9 from a well head drives the starting device 6 to ascend along the expandable casing 1 to be expanded, so that the expandable casing 1 radially, permanently and plastically deforms, and multiple sections of rubber rings 5 on the expandable casing 1 are vulcanized and are compressed in an annulus between the outside of the expandable casing 1 and the intermediate casing 4. The tail pipe completion method has the advantages that the inner diameter of the tie-back casing can be increased after the expandable casing is expanded, later-stage oil recovery and operation are facilitated, and the rubber rings on the expandable casing plug complicated layers and prevent channeling of the head of a tail pipe.

The invention discloses a corn deep processing machine, in particular a corn breaking and embryo fetching machine. The breaking and embryo fetching machine comprises a feed hopper, and is characterized in that: a mill shell is arranged under the feed hopper; a raw material hopper is arranged under the mill shell; a quick grinding roller and a slow grinding roller respectively arranged on a main engine shaft A and a main engine shaft B are arranged in the mill shell; the main engine shaft A is connected with power input; one end of the main engine shaft A is provided with a main engine wheel, while the other end is provided with a transmission device; the main engine wheel is connected with a belt pulley which is arranged at one end of an impact shaft; and the impact shaft is provided with an impact machine connected with the raw material hopper. The corn breaking and embryo fetching machine can save labor and materials when fetching the embryos of corn, can fetch the embryos of large and small corn grains, and has high embryo fetching rate; and the fetched embryos are smooth without adhesion things, and are very suitable for oil expression and eating.

The invention relates to an intelligent ultra-long stroke winch oil pumping unit which is composed of an electric control cabinet, a balance weight system, a base, a winch system and a pumping system.The electric control cabinet is connected with the balance weight system, the winch system and the pumping system through cables, the balance weight system is connected with the winch system througha steel wire rope, and the winch system is connected with the pumping system through a flexible polish rod. The winch system comprises a displacement sensor, a motor, an electromagnetic brake, a winchsupport, a speed reducer, an outer-square cylinder and a roller. Steel wire rope tension of the balance weight system and flexible polish rod tension of the pumping system are located at the two endsof the axis of the roller and are opposite in direction. The intelligent ultra-long stroke winch oil pumping unit is used for improving the stroke of the oil pumping unit, eliminating an included angle generated between the flexible polish rod and a head sheave, prolonging the service life of the flexible polish rod, realizing the balance weight of the ultra-long stroke oil pumping unit, and further saving energy, by adding an intelligent chip, the pump efficiency, the yield and the annulus liquid level position of an oil jacket can be instantly reflected, and the oil pumping speed is automatically adjusted or oil is intermittently pumped according to liquid supply data. Efficient operation is achieved.

The invention relates to a hollow oil pumping device for fluid producing profile tests in the field of oil field underground oil extraction tools. The hollow oil pumping device comprises a central pipe. A release connector is connected to the upper end of the central pipe in a threaded manner. A lower connector is connected to the lower end of the central pipe in a threaded manner. A hollow rod oil pump is connected to the lower end of the lower connector. An upper inner clamp sleeve and a lock ring are sequentially slidably sleeved on t he outer wall of the central pipe on the lower side of the release connector. A lock ring sleeve is sleeved outside the upper inner clamp sleeve and the lock ring. One-way lock teeth which are meshed are respectively disposed on the inner wall of the lock ring and the outer wall of the central pipe on the lower side of the lock ring. A thrust sleeve is connected to the outer wall of the lower end of the lock ring sleeve in a threaded manner. A packing rubber cylinder and anchoring slips are disposed on the periphery of the central pipe at the lower end of the thrust sleeve. A hydraulic cylinder is disposed on the periphery of the central pipe between the lower end of the release connector and the upper inner clamp sleeve, and a through hole communicated with the inner cavity of the hydraulic cylinder is formed in the wall of the central pipe. By the hollow oil pumping device, oil pumping can be achieved during fluid producing profile tests. In addition, the hollow design provides a passage for instruments and conveying tools to move up and down during the tests.

The present invention provides an oil displacement experiment device and oil displacement experiment method. The oil displacement experiment device comprises a reaction tube, an injection system, a gas analysis mechanism and a control system; the reaction tube is used for containing reactants; the reaction tube is provided with an inlet end and an outlet end; the injection system comprises a plurality of gas sources; the plurality of gas sources respectively communicate with the inlet end of the reaction tube so as to inject different gases into the reaction tube through the inlet end; the gasanalysis mechanism communicates with the outlet end of the reaction tube so as to collect gas generated by reaction of the reactants in the reaction tube and analyze components of the gas; and the control system is connected with the injection system so as to control the plurality of gas sources to inject the gas into the reaction tubes respectively. The oil displacement experiment device solvesthe problem that an oil displacement experiment device in the prior art is single in function.

The invention discloses a mobile nuclear power steam making oil extraction system based on a small metal fast reactor. The system comprises a steam injection heat exchanger for oil extraction connected with an oil well, and further comprises a small fast reactor steam generator, a dead steam decompression device and intermediate heat exchangers, a steam outlet of the small g fast reactor steam generator is connected with a steam inlet of the dead steam decompression device, and a steam inlet of a steam side of the steam injection heat exchanger for oil extraction at the same time, a steam outlet of the dead steam decompression device is connected with steam inlets of the intermediate heat exchangers, steam outlets of the intermediate heat exchangers are connected with a steam inlet of thesteam injection heat exchanger for oil extraction, and a moving mechanism is further included. High-pressure saturated or superheated steam provided by the small metal fast reactor can be directly used for heating crude oil in an oil reservoir in the oil extraction process to meet the thickened oil heat extraction steam injection needs, a whole device is manufactured into a skid-mounted device, and a trailer manner is adopted for carrying out moving.

An apparatus for generating acoustic waves within a medium to stimulate oil recovery within an oil reservoir, the apparatus being operable with a single moving part—a central rotor, and where the rotor further includes a “conduit” through which the supply fluid passes.

The invention relates to single-phase, two-phase, three-phase and multi-phase symmetrical-peak dual-voltage rectifying basic circuits and particularly relates to application on a thickened oil heating system of an oil well. On the basis of single-phase, two-phase and three-phase rectifying output circuits, a capacitor is connected by a new method, peak symmetry and dual-voltage rectification are achieved, positive electric potential and negative electric potential are switched on through switching elements, no isolation transformer is required to be added, a sucker rod is heated, the heat production efficiency is improved, resources and energy are saved, and circuits can be used commonly in a single phase and multiple phases.

The invention discloses a well completion method for a tail pipe combining an expansion sleeve pipe and an expansion sieve pipe. The expansion sleeve pipe and the expansion sieve pipe are combined on a pipe column of the tail pipe and expanded by sequentially adopting an expansion awl and a variable-diameter expansion tool. The implementation method includes: enabling the pipe column of the tail pipe combining the expansion sleeve pipe and the expansion sieve pipe to be down to a predetermined position in a well, under the hydraulic action, adopting the expansion awl to enable the expansion sleeve pipe to realize expansion, enabling the expansion sleeve pipe to be closely attached to an intermediate sleeve pipe and in a well bore through a rubber ring, and providing a hanging seal for a well completion pipe column; and adopting the variable-diameter expansion tool to expand the expansion sieve pipe to enable the same to be closely attached to the well bore to eliminate annular space between the sieve pipe and a well wall. The well completion method for the tail pipe combining the expansion sleeve pipe and the expansion sieve pipe has the advantages that the inner diameter of a tieback sleeve pipe can be increased after the expansion sleeve pipe is expanded, so that oil extraction and operation at later stages are facilitated; and the outer wall of the expansion sieve pipe can attach the well bore after the expansion sieve pipe is expanded, sand filtering effect is improved, sand preventing effect of the sieve pipe is improved, and development effects such as capacity and recovery ratio are improved.