16results about How to "Improve pump efficiency" patented technology

The utility model provides a layering oil well pump which comprises a first oil pumping unit, and the first oil pumping unit comprises a first pump cylinder and a second pump cylinder which are spaced, a first oil pumping mechanism arranged between the first pump cylinder and the second pump cylinder and used for being connected with an upper oil layer, and a first plunger concentrically arranged in the first pump cylinder. The second oil pumping unit comprises a third pump cylinder arranged on the downstream of the second pump cylinder, a second plunger concentrically arranged in the third pump cylinder and connected with the sucker rod, and a third pump cylinder arranged on the downstream of the second pump cylinder and connected with the second plunger. And the second oil pumping mechanism is arranged in the third pump cylinder and is used for being connected with a lower oil layer.

The invention relates to an integrated equipment system for manual lifting and sewage reinjection of an oil well, and the system comprises a lifting assembly which is used for lifting crude oil to the ground; the reinjection assembly is used for injecting the sewage into the stratum; and the top of the bidirectional driving submersible motor is connected with the lifting assembly, the bottom of the bidirectional driving submersible motor is connected with the reinjection assembly, and the bidirectional driving submersible motor is used for providing power for crude oil lifting and sewage injection. Two pumps are driven to rotate in the same direction through one motor and one rotating direction, and liquid thrust in two directions is formed.

The present invention provides an upper limit device and intelligent system for an all-metal conical screw pump, which can effectively solve the technical problems of the pump being stuck and the pumping rod jumping affecting the running stability of the pump body caused by the downward stretching of the sucker rod when the all-metal conical screw pump is operating in a deep well. The upper limit device of the all-metal conical screw pump is characterized in that it includes a connecting ring and an inner transmission sleeve, an outer transmission sleeve, a bearing and a limit block arranged in the connecting ring, the connecting ring is fixedly connected to the oil casing, the inner transmission sleeve is installed on the outer periphery of the sucker rod and is located below the outer transmission sleeve, the outer side wall of the outer transmission sleeve is threadedly matched with the inner side wall of the connecting ring, the inner ring of the bearing is installed outside the inner bearing sleeve, the outer ring of the bearing is installed inside the outer bearing sleeve, the axial ends of the outer bearing sleeve and the inner bearing sleeve are sealed, the outer bearing sleeve is supported above the outer transmission sleeve, and the limit block is installed on the outer periphery of the sucker rod and abuts against the inner bearing sleeve.

The present invention discloses a stirring oil pumping device and method, wherein the device comprises a pump barrel assembly and a plunger assembly, wherein the plunger assembly axially runs in the pump barrel, and an oil inlet valve and an oil outlet valve are installed inside the plunger assembly, wherein the oil outlet valve is located above the oil inlet valve, and the oil inlet valve is installed inside the lower port of the plunger assembly, and the lower end of the oil inlet valve is connected to a stirring device. The present invention improves the structure of a conventional oil pump, moves the oil inlet valve of the pump upward to the lower end of the plunger, and directly connects the lower end of the oil inlet valve to the stirring device, forming a pumping technology for mixing and adding medicine under the pump.

This invention discloses a flexible rod ultra-long stroke pumping unit, belonging to the technical field of pumping units. The flexible rod ultra-long stroke pumping unit includes a support frame, with an upper platform assembly at the top of the support frame. A cage ladder is fixedly connected to the outer side of the support frame. A drive device is located at the top of the upper platform assembly, and the drive device is connected to a flexible rod. A sucker plug is connected to the end of the flexible rod. A centering wheel assembly is located on the side of the support frame away from the cage ladder, through which the flexible rod passes. The drive device is also connected to a counterweight balancing mechanism. The flexible rod ultra-long stroke pumping unit achieves the reciprocating motion of the sucker rod by winding and releasing the flexible rod on a drum. Compared with various newly developed beamless pumping units on the market, it features a simple structure, small footprint, an ultra-long stroke of 18 meters, low stroke rate, and convenient maintenance.

This invention provides an aeroponic cultivation device, comprising a magnetic frame and a magnetic soft membrane shell disposed on the surface of the magnetic frame. The magnetic frame houses an electrical box, a nutrient solution tank, a water storage tank, a high-pressure water pump, a sterilization and filtration device, at least one atomizing box with a planting rack, at least one seedling rack, and growth lights positioned relative to the planting rack and seedling rack. The nutrient solution tank, water storage tank, high-pressure water pump, and atomizing box are sequentially connected via flexible hoses. An atomizing nozzle is located at the outlet of the hose connecting to the atomizing box. The bottom plate of the atomizing box extends obliquely downwards from one side, and its upper surface is recessed with a guide groove and a liquid collection port located at the end of the guide groove. The liquid collection port is connected to the inlet of the sterilization and filtration device via a return pipe, and the outlet of the sterilization and filtration device is connected to the water storage tank. This aeroponic cultivation device offers the advantages of stable nutrient solution circulation and ease of maintenance.

This invention provides a screw pump, an oil production system, an oil production method, a storage medium, and electronic equipment, belonging to the field of petroleum extraction technology. The screw pump includes a stator and a rotor. The rotor has an arc-shaped structure that is large at both ends and small in the middle, and is symmetrical. The stator also has an arc-shaped structure that is small at both ends and large in the middle, and is symmetrical. The rotor is located inside the stator. The inner surface of the stator and the outer surface of the rotor have the same curvature. Both the inner surface of the stator and the outer surface of the rotor are threaded surfaces. The threaded surfaces of the stator and rotor cooperate with each other to allow the rotor to rotate within the stator, forming a pump cavity between the stator and the rotor. The pump has low overall leakage, high efficiency, and high head. The symmetrical pump cavity formed between the stator and the rotor results in almost equal flow rates in each cavity, leading to uniform filling of the symmetrical pump cavities. This results in symmetrical force on the pump body, high overall wear resistance, and a long service life.

The invention discloses a production well production operation parameter optimization decision-making method based on a particle swarm, and the method comprises the following steps: determining control parameters which affect a layered liquid production profile of an electric submersible pump according to an oil well multi-layer separate production process; historical production data of an oil producing well are obtained, and well layering liquid producing profiles under the action of different control parameters are counted; performing data preprocessing on the obtained historical data to complete cleaning and correction of the original data; based on an XGBoost algorithm, an electric pump well fluid production profile prediction model is established; and based on a particle swarm optimization algorithm, the intelligent regulation and control method for the layered liquid production profile of the electric submersible pump is established. The problems that in the oil extraction process, the recovery ratio is difficult to control, and inter-well interference is difficult to control are solved, the pump efficiency of the oil extraction pump is improved, it means that underground oil well liquid is conveyed to the ground more efficiently, and oil field extraction is more economical and efficient. By improving the pump efficiency of the oil extraction pump, the energy waste and the production cost can be reduced, the productivity and the oil extraction efficiency are improved, and the profit and the value of an oil field are finally improved.

The present invention proposes a method for transporting supercritical CO 2 The reciprocating pump of the medium, in which the front chamber section is filled with the front filling assembly, the rear chamber section is filled with the plunger, and the lower chamber section and the upper chamber section are filled with the liquid inlet valve assembly and the liquid discharge valve assembly respectively. This layout makes it possible to provide supercritical CO 2 The volume of the medium entering is small, and when the plunger moves forward, the invalid volume is only the safety gap reserved between the plunger operating chamber, the rear chamber section and the plunger, so that the invalid volume of the present invention is small and the pump efficiency is improved; the upper end of the inlet valve core and the lower end of the discharge valve core of the present invention are located in the plunger operating chamber when the plunger moves backward, and when the plunger moves forward, the upper end of the inlet valve core and the lower end of the discharge valve core are retracted into the inlet valve seat and the discharge valve seat respectively, thereby filling the invalid volume in the inlet valve seat and the discharge valve seat, so that the invalid volume of the present invention is further reduced and the pump efficiency is further improved.

The invention relates to a soft labyrinth sealing ring oil well pump plunger which comprises a traveling valve assembly, a plunger body and a PA sealing ring, the upper end of the plunger body is connected with the traveling valve assembly, a PA sealing ring radial installation groove is formed in the outer diameter of the plunger body, the PA sealing ring is installed in the PA sealing ring radial installation groove, and the PA sealing ring is installed in the PA sealing ring radial installation groove. And a liquid inlet horn mouth is formed in the lower end of the plunger body. The invention further relates to the soft labyrinth sealing ring oil well pump. The invention aims to thoroughly solve the problem of sand blockage between a plunger and a pump cylinder in a sand-containing, thickened oil and wax precipitation oil well, particularly reduce the friction force between the plunger and the pump cylinder, contribute to reducing eccentric wear of a rod and a pipe and improve the pump efficiency. The development of the oil well pump plays a role in normal development and production of an oil field mechanical production well, reduction of eccentric wear of a rod pipe, improvement of pump efficiency, prolonging of an oil well pump inspection period and improvement of oil well production time rate.

The invention relates to a forward and reverse adjustment submersible screw pump which comprises a shell, and a driving part, a stator and rotor assembly, an adjusting shaft, an adjuster and a limiter which are arranged in the shell. The driving part is used for providing rotation driving force for the rotor, so that the rotor and the stator rotate relatively, and oil extraction is achieved. The screw pump shell is positioned through the oil pumping pipe fixed underground, so that the rotor can be positioned through the limiting stopper, in addition, the adjuster can convert rotary motion carried out together with the adjusting shaft into rotary motion independent of the adjusting shaft, the adjuster is in threaded fit with the adjusting shaft, and the adjusting shaft is in threaded fit with the adjusting shaft. Axial displacement can occur between the adjuster and the adjusting shaft, so that the gap between the stator and the rotor is accurately adjusted.

A main body structure is in a hollow tube shape, two ends of the main body are fixedly connected with butt welding flanges respectively, a sealing ball sheath is sleeved in the main body, a sealing ball sheath structure is in a hollow tube shape, one end of the sealing ball sheath is connected with an upper pressing plate in a clamping mode, a sealing ball is embedded in the upper pressing plate, and a groove is formed in the end face of the other end of the sealing ball sheath. A pressure spring seat is sleeved in the groove, a pressure spring seat fixing pressing plate is clamped on the end face, and a sheath pressing plate is sleeved between the pressure spring seat fixing pressing plate and the welding neck flange. The device has the beneficial effects that only one-way flow of fluid is allowed, the fluid which is discharged into a ground pipeline from a pumping drainage gas recovery well can be effectively prevented from flowing back into the well, and repeated work of a pumping unit is reduced.

This invention relates to the field of oil well intermittent control technology, and particularly to an intermittent control method based on edge computing. The steps are as follows: S101: Set the oil well information transmission path and generate basic oil well analysis data; S102: Perform edge computing through the wellhead RTU based on the basic data to complete information extraction and analysis, generating single-well production, daily power consumption, dynamic fluid level, and system efficiency; S103: Set parameter constraints online; S104: Perform online discrimination based on the parameter constraints and correct the operating cycle T, start-up time RT, and shutdown time ST; S105: Automatically set the optimal operating cycle T, start-up time RT, and shutdown time ST on each wellhead RTU; S106: After setting the optimal operating cycle T, start-up time RT, and shutdown time ST, automatically display the data in tables and experimental data curves. This invention improves the safety, reliability, and stability of intelligent intermittent oil well operation, significantly increases mechanical production efficiency, and reduces costs.

The present invention discloses a floating valve and a forced-closing anti-stuck oil pump. The floating valve and the forced-closing anti-stuck oil pump provided by the present invention are characterized in that the closing of the floating valve relies on the impact of the reverse jet of the suction liquid; the closing of the fixed valve relies on the elastic force of the push rod, and a mechanical sand and wax removal function is added; the forced-closing anti-stuck oil pump using the floating valve and the fixed valve overcomes the shortcomings of the existing inclined well pump, improves the pump efficiency and service life, and reduces the oil production cost.

The high-gas-liquid-ratio oil well anti-gas pipe column comprises a gravity separation barrel, an inner pipe is coaxially arranged in an inner cavity of the gravity separation barrel, and a plurality of gravity cups are arranged on the outer wall above the middle of the gravity separation barrel in a sleeved mode. A plurality of gravity separation liquid inlet holes are uniformly distributed in the circumference of the gravity separation cylinder close to the bottom wall of each gravity cup, the upper end of the gravity separation cylinder is rotationally connected with a first-stage exhaust valve body through a middle hoop, and the upper end of an inner pipe is rotationally connected and communicated with the lower end of a center hole of the first-stage exhaust valve body; first-stage axial valve holes which are axially through are symmetrically formed in the periphery of a center hole of the first-stage exhaust valve body, a first-stage valve ball is arranged in a horn mouth in the lower end of each first-stage axial valve hole, a plug cap is connected to an upper port of each first-stage axial valve hole in a screwed mode, and a first-stage exhaust channel which is outwards through in the radial direction is formed in the side wall of each first-stage axial valve hole. The anti-gas pipe column can eliminate or reduce gas entering a pump under the condition of high gas-liquid ratio after oil well gas channeling, and the oil well pump efficiency is improved.

The utility model discloses a beam-pumping unit driving system which comprises a driving device fixing base which is fixed on a pumping unit base through a fastener. A left planetary gear speed reducer, a double-side shaft extension type permanent magnet synchronous motor, a brake assembly and a right planetary gear speed reducer are sequentially arranged on the driving device fixing base from left to right, and a left output shaft of the permanent magnet synchronous motor is connected with an input shaft of the left planetary gear speed reducer through a left coupler. A right output shaft of the permanent magnet synchronous motor is connected with an input shaft of a right planetary gear speed reducer through a right coupler and a first brake assembly; input shafts of the left planetary gear speed reducer and the right planetary gear speed reducer are connected with cranks on the two sides of the pumping unit respectively, the controlled end of the permanent magnet synchronous motor is connected with the motor controller, the motor controller operates in a four-quadrant mode, the stroke frequency is adjusted according to the working condition, and the permanent magnet synchronous motor is controlled to operate with the optimal parameters according to the wellhead load working condition; according to the device, the high-speed permanent magnet synchronous motor is used for replacing a traditional medium-low speed motor, any stroke frequency adjustment is conveniently and rapidly achieved through speed regulation of the motor controller, the size is small, the weight is light, and high-efficiency operation can still be kept under the low load rate.