26results about How to "Low operating cost" patented technology

The invention provides a pumping unit and a fluid balancing method, and belongs to the field of petroleum extraction machinery. The pumping unit comprises a base, a supporting seat is fixedly installed on the base, and a motor, a speed reducer and a support are installed on the supporting seat. The walking beam is connected with the bracket through a bearing seat; an output shaft of the speed reducer is connected with the walking beam through a crank and a connecting rod of the four-rod mechanism; the two ends of the walking beam are connected with a first horse head and a second horse head respectively, the first horse head and the second horse head are communicated through a connecting pipe arranged between the first horse head and the second horse head, an electric valve is arranged on the connecting pipe, and an electric cabinet is further arranged on the supporting seat and electrically connected with the electric valve. The oil pumping unit is used for two oil wells close to each other, the function that one oil pumping unit pumps two oil wells is achieved, the equipment investment of one oil pumping unit can be saved, the running loss of one oil pumping unit is reduced, and fluid balance is used for balancing the load difference of the two oil wells; after the balance box is arranged on the second horse head, the second horse head can be only used for pumping oil of one oil well, and fluid balance is used for weight difference between the oil well and the balance box.

The invention provides a method for producing monopotassium phosphate by a solvent extraction method. The method comprises the following steps: (1) preparing a clear raw material solution; (2) adding the clarified raw material liquid and an extraction agent into an extraction crystallizer for extraction reaction; (3) standing for phase splitting, conveying an extracted organic phase into a reverse extraction tank, and conveying a raffinate water phase into a cooling crystallization tank; (4) carrying out cooling crystallization on the raffinate water phase in the cooling crystallization tank, and after cooling crystallization is completed, carrying out solid-liquid separation to obtain a solid which is monopotassium phosphate; (5) ammonia water is added into the reverse extraction tank for a neutralization reaction, after the neutralization reaction is completed, standing and phase splitting are carried out, an organic phase obtained through phase splitting is an extraction agent, and the extraction agent is stored in a storage tank and recycled; and concentrating the water phase obtained by phase splitting, cooling and crystallizing, and carrying out solid-liquid separation to obtain a solid phase which is ammonium chloride. According to the invention, the process flow for producing monopotassium phosphate by the existing solvent extraction method can be simplified, the equipment investment and operation cost are reduced, the requirement on raw material acid is reduced, and the production cost is reduced.

The invention discloses a double-zeolite system composite catalyst and a preparation method and application thereof, and belongs to the technical field of synthesis of hydrocarbon compounds, the double-zeolite system composite catalyst is composed of a methanol synthesis catalyst and two molecular sieves with different product tendencies, the two different products refer to propane and butane, and the molecular sieves comprise beta, SSZ-13 and SAPO-34. According to the invention, carbon dioxide and hydrogen are used as raw materials, a ZnCr bimetallic catalyst and two molecular sieves with different product tendencies are compounded to form the bifunctional catalyst, the liquefied petroleum gas is directly synthesized under the reaction conditions of 350 DEG C and 5 MPa, and accurate regulation and control of the relative proportion of propane and butane in the LPG product can be realized. By regulating and controlling the relative mass of the double molecular sieves and accurately controlling the relative content of propane and butane in the LPG product, the large-range regulation of the weight ratio of propane to butane between 0.53 and 4.31 is successfully realized, meanwhile, the equipment investment can be reduced, the energy consumption can be reduced, the operation cost can be reduced, few byproducts are produced, and the economic benefit is remarkable.

The present application relates to the production field of organic chemical raw material cyclohexene, and discloses a production method of cyclohexene.The method comprises the following steps: carrying out cracking reaction on cyclohexylbenzene and / or dicyclohexylbenzene raw material and a solid acid catalyst to obtain cyclohexene and benzene; and the solid acid catalyst is selected from at least one of amorphous silicon aluminum, molecular sieve and solid supported inorganic acid.The method has the advantages of high raw material conversion rate, high cyclohexene yield and no by-product cyclohexane, etc.

The present invention discloses a method for deep unblocking of a fixed pipe column of an oil well with complex blockage in an offshore oil field. The present invention adopts a new unblocking process of "bubble-unblock-wash-test-pressure-wash", and the specific method is: treatment of organic scale in the wellbore and near the well: conduct injection process, pump-inject organic unblocking agent, and soak for 12 to 48 hours; treatment of inorganic scale in the wellbore and near the well: pump-inject inorganic unblocking agent, shut down the well for 6 to 24 hours after unblocking; well washing operation; stepped pressure test injection, shut-in test; treatment of composite blockage in medium and long-distance wells: staged high pressure and large liquid volume injection; well washing operation. The method of the present invention is suitable for unblocking complex blockages in oil wells with heavy crude oil or polymer organic scale and inorganic scale and large blockage radius in offshore oil fields, and has the advantages of reducing operating costs and simplifying processes; conducting test operations, with flexible selectivity to ensure the effectiveness of measures; high pressure does not break the reservoir, preventing sand from coming out of the formation or rapid decrease in liquid volume after operation; large liquid volume injection, unblocking and instantaneous replenishment of formation energy.

The present disclosure relates to a method and system for producing olefins by cracking heavy hydrocarbons, which comprises the following steps: S1, entering a gas-liquid separator for gas-liquid separation to obtain a first gas phase material and a first liquid phase material; and in the process of separation, introducing a separation aid into the gas-liquid separator to contact with the first gas phase material in countercurrent, so that the heavy components carried in the gas phase material are washed or condensed to obtain a second gas phase material; S2, making the second gas phase material enter the radiant section of a steam cracking furnace for cracking to obtain a cracking product containing olefins. The above technical solution can realize the production of olefins to a greater extent by a shorter process and smaller energy consumption.

The application discloses a high-pressure oil well shaft wax removal device and a use method thereof, which comprises a cable head, an upper-end heating cutter head, a weight rod and a lower-end heating cutter head which are sequentially spliced. The cable head comprises a pin seat, an insulating sleeve wrapped outside the pin seat, a pressure-bearing shell arranged outside the insulating sleeve, a plug-in hole opened on the insulating sleeve, an insulating tube inserted into the plug-in hole, a conductive rod inserted into the insulating tube and connected with the pin seat, a second insulating pad sleeved on the conductive rod and a cable connector mounted on one end of the conductive rod. The weight rod comprises a shell, a plug-in hole opened in the shell and a single-core pin sleeve arranged on the plug-in hole. The application has the beneficial effects that the problems of wax deposition in the shaft and the oil pipe can be quickly solved, the construction cost is greatly reduced, the labor intensity of personnel is reduced, the production of the oil and gas well is accelerated, the construction period is greatly shortened and the operation cost is reduced.

The invention relates to the field of chemical waste treatment, and discloses a degradation method of a glycolate oligomer. In the presence of a catalyst, a raw material containing a glycolate oligomer is contacted with low-carbon alcohol for reaction, and the catalyst comprises 10-60 wt% of CuO, 2-12 wt% of NiO and 28-88 wt% of SiO2. The degradation method provided by the invention is simple in process steps, under the action of the catalyst, fusel oil is fully utilized, degradation conversion of the glycolate oligomer is realized, complex by-products are not generated while glycolate is degraded, and the conversion rate of the ester oligomer is relatively high. According to the method provided by the invention, the production process is further simplified, and the operation cost is reduced.

The utility model discloses a kind of multi-modal testing devices of simulated space environment, including vacuum chamber with vacuum module;Wherein, cooling module, heating module are respectively equipped in vacuum chamber, vacuum module, cooling module and heating module are respectively connected with the communication control module located outside;Vacuum chamber is also equipped with tray module, for placing sample to be measured;Cooling module can be relatively installed in vacuum chamber and displaced up and down, for adjusting the distance between it and sample to be measured;The utility model can greatly reduce the experimental time of cold and hot impact;While realizing the multi-modal testing effect of simulated space environment, reduce space solar cell array research and development test time and manufacturing cost of product control, help low-cost space technology development and application.

The invention provides green liquid paraffin and a production method thereof, and belongs to the technical field of paraffin. The preparation method comprises the following steps: carrying out catalytic hydrogenation reaction on raw materials, crystallizing, sweating, collecting wax, filtering, decolorizing, deodorizing and packaging to obtain the green liquid paraffin. The liquid paraffin is high in purity, low in device investment, simple in production process, low in operation cost and free of solvent pollution to the environment, and the solvent-free liquid paraffin production method is more efficient and practical and is expected to be widely applied to the fields of lubricants, chemical raw materials or fuels.

This invention belongs to the field of organic chemical technology and relates to an apparatus and method for preparing N,N-dibutylformamide. The apparatus includes a first distillation column, a second distillation column, a third distillation column, and connecting pipelines. Using the apparatus and method of this invention, high-purity N,N-dibutylformamide can be prepared safely and stably with high reaction efficiency and production capacity, short preparation time, low methyl formate loss, minimal equipment wear, low energy consumption, and high safety and stability.

The application discloses a layered sand prevention and polymer injection integrated pipe column and a construction method, relates to the technical field of oil exploitation, and the pipe column comprises a downhole pipe column and a control pipe column. The downhole pipe column comprises a layered sand prevention and polymer injection unit. The layered sand prevention and polymer injection unit comprises a positioning cylinder, an adjustable sand prevention and injection device, a blockage removal injection device and layered packers. The control pipe column comprises a positioning tool and a repeatedly switchable tool. The positioning tool can be positioned with the positioning cylinder, and the repeatedly switchable tool can control and regulate the adjustable sand prevention and injection device and the blockage removal injection device. The application realizes sand prevention and polymer injection integration through the adjustable sand prevention and injection device. The application realizes downhole efficient regulation through the positioning tool and the repeatedly switchable tool.

The application provides a new energy automobile engine cover jacking device performance simulation test device, belongs to the automobile parts performance test technical field, contains the base, the base is reserved the cavity containing assembly, the central fixed connection workbench is connected to the lower end of the cavity, the upper end of the workbench is fixedly connected with the limiting plate, two pairs of guide columns are fixedly connected to both sides of the cavity, the sliding sleeve is movably arranged on the guide column, a counterweight is fixedly connected to the two pairs of sliding sleeves, the lower end of the counterweight is fixedly connected with the detection assembly, the control unit is arranged on the right side of the upper end of the base, one side of the workbench is fixedly connected with the support table, the fastening module is arranged on the support table, and the fastening module is used for quickly and stably locking the jacking device. The application solves the problem that the existing new energy automobile engine cover jacking device performance simulation test device can only fasten the jacking device at one place when fastening the jacking device, cannot guarantee the stability of the jacking device fastening, and cannot guarantee the normal test of the jacking device.

This invention belongs to the fields of intrinsically safe chemical processes and chemical process economics, and discloses a fuzzy separation system and method for ethylene-ethylene oxide combined with ethane stabilization. A mixed feedstock of ethylene and ethane enters an ethylene-ethane distillation column for fuzzy separation. The ethylene-ethane mixture is collected at the top of the column, and the ethane product is collected at the bottom. The feedstock flow rate and the molar ratio of the ethylene-ethane mixture collected at the top are adjusted according to different operating conditions during start-up and stable operation. The mixture is then mixed with pure oxygen and reacted in an ethylene direct oxidation reactor. The generated gas passes through an absorption column, with the top gas serving as the reaction recirculation gas, mixing with the newly separated ethylene-ethane mixture and pure oxygen for a cyclic reaction. The ethylene oxide at the bottom of the absorption column is purified by a stripping column and a refining column to obtain the product ethylene oxide. This invention reduces energy consumption and improves overall economic efficiency while ensuring reaction safety.

A method and system for certifying a low-carbon product using slaughter traceability information is disclosed. The method can be performed in a system for performing certification for a livestock product of a target subject, including obtaining reference carbon emission information which is information related to the average daily carbon emission of a reference group, by using slaughter traceability information of the reference group which is a group of the same livestock type of subjects as the target subject; deriving target carbon emission information which is information related to the amount of carbon emission per weight of the target subject, by using the slaughter traceability information of the target subject and the reference carbon emission information obtained in advance; and certifying the livestock product of the target subject as a low-carbon certified livestock product, when the value of the target carbon emission information decreases below a reference value.

The invention belongs to the technical field of oil and gas well oil extraction and well completion, and provides a deep sea throwing-fishing type intelligent well completion system and method and a throwing-fishing method.The system comprises an above-well unit used for sending a control instruction to an underground unit and receiving data collected by the underground unit; the underground unit comprises an injection pipeline and a control cable; wherein the injection pipeline is matched and connected with a plurality of underground injection valves, and the control cable is matched and connected with a plurality of interlayer control valves. According to the invention, a single cable can operate a plurality of interlayer control valves underground and collect and process underground parameters, the integration degree is high, and the number of pipelines is small. When the underground flow control valve has an accident (such as scaling failure and the like), the dropping and fishing operation of the interlayer control valve can be realized without a drilling machine / operation machine, so that the construction risk and the expensive offshore operation cost are reduced, and the application prospect is wide.

This invention relates to a live-installable anti-adhesion isolation clamp and method for transmission line sub-conductors, belonging to the field of transmission line operation and maintenance technology. The technical solution is as follows: a lightweight heavy-duty drone (22) lifts the isolation clamp (24) and flies it above the double-split sub-conductors, with the two split sub-conductors (21) entering the upper and lower clamps of the isolation clamp respectively; after monitoring the split sub-conductors entering the upper or lower trench, the drone locks the split sub-conductors within the upper and lower trenches; the installation device separates from the isolation clamp, and the installation device is brought back by the lightweight heavy-duty drone for reuse. This invention uses a drone as a carrier, combined with the anti-adhesion isolation clamp and installation device, eliminating the need for contact with the conductors and high-altitude operations, resulting in high safety, fewer personnel, and low operating costs; it can eliminate the defects of adhesion and whipping of split sub-conductors in transmission lines, avoiding the resulting equipment damage and greatly improving the safety level of transmission line operation.

Method of measuring the alignment of one or more pipetting tips (2) in an automated pipetting system (1) whereas the one or more pipetting tips (2) are mounted on one or more adapters (3) of a pipetting head (4), approximately perpendicular to the pipetting head (4) mounting surface, the orifices (21) at the protruding end of the one or more pipetting tips (2) are mapped with an image capture device (5) comprising a sensor (6) placed in face and distant of the orifices (21). The method further comprises sending the acquired data from mapping the orifices (21) of the one or more pipetting tips (2) to the data processor (7), generating an image of the orifices (21) of the one or more pipetting tips (2), determining the center positions of orifices (21), and delivering alignment information for the one or more pipetting tips (2). A computer program comprising instructions which, when the program is executed by a data processor (7), cause an automated pipetting system (1) to perform the method of measuring the alignment of one or more pipetting tips (2) in an automated pipetting system (1), and a contactless measurement system (10) for measuring the alignment of one or more pipetting tips (2) in an automated pipetting system (1) comprising one or more adapters (3) on a pipetting head (4) connected to a robotic pipetting arm (11) for mounting the one or more pipetting tips (2), an image capture device (5) comprising a sensor (6) joined to a worktable (9) for capturing an image of the orifices (21) of the one or more pipetting tips (2) or of the one or more adapters (3) of the pipetting head (4), a data processor (7) for receiving the image data acquired by the sensor (6) and for calculating alignment information for the one or more pipetting tips (2) with respect to a virtual regular grid assumed to the pipetting head (4) mounting surface. Use of the contactless measurement system (10) and automated pipetting system (1) comprising the contactless measurement system (10) according to the invention.

The present disclosure relates to a method for pre-hydrogenation of coal tar raw materials, which comprises: S1, centrifugation of the coal tar raw materials to obtain a first solid phase material and a first liquid phase material; S2, filtering the first liquid phase material to obtain a second liquid phase material and a third liquid phase material, wherein the solid content of the second liquid phase material is higher than that of the third liquid phase material; S3, mixing the second liquid phase material with diluent oil and returning to step S1 for centrifugation; S4, contacting the third liquid phase material with a protective catalyst and an asphaltene hydrogenation conversion catalyst under hydrogenation conditions to perform a hydrogenation reaction, and performing gas-liquid separation on the obtained hydrogenation reaction product. The method disclosed in the present disclosure can remove metals and asphaltene in coal tar raw materials, has a high liquid yield, and can more effectively reduce the ash content.

The application discloses an infinite-level water plugging and opening switch sliding sleeve, which comprises a sliding sleeve and a switch tool, the sliding sleeve comprises an upper joint, a positioning claw, an upper connecting piece, a working barrel, an outer pipe, a lower connecting piece, a blocking ring, a lower joint, an upper sealing assembly and a lower sealing piece; and the switch tool comprises an upper connecting head, an upper cone, a central pipe, an upper slip, an upper sheath, a pin, a centralizing sleeve, a lower slip, a lower sheath, a lower cone, a load positioning sleeve, a guide head and a spring centralizing piece; the opening and closing of a target layer are realized through the cooperation of the sliding sleeve and the switch tool, multi-layer arbitrary number of layers and arbitrary layer combination exploitation are realized, the reliability of the technology is further improved, the service life of key tools and pipe columns is prolonged, the operation amount is reduced, the operation cost is reduced, the production capacity of each layer can be accurately understood, and the oilfield production time efficiency is improved.

The application relates to a method and system for producing low-carbon olefins through direct catalytic cracking of crude oil, which comprises the following steps: crude oil is sequentially subjected to catalytic cracking reactions in a first reaction section and a second reaction section of a catalytic cracking reactor; after gas-solid separation of reaction products and spent catalyst, the spent catalyst is sequentially subjected to stripping, supplementary coke making, and coke burning regeneration, and then is returned to the reactor for recycling; the reaction products are separated to obtain ethylene, propylene, difficult-to-convert components and other products, wherein the difficult-to-convert components are further reacted in a second reaction zone of the first reaction section to obtain ethylene and propylene. When the catalytic cracking method and system are used for the catalytic cracking reaction of crude oil, not only is the crude oil processing flow further shortened, and the atom utilization rate of the crude oil is improved, but also the yield of ethylene and propylene is high, and the possible heat balance problem is solved.

The invention discloses an automatic adjusting system and method for a transverse pipe in a coke oven basement heating system. The automatic adjusting system comprises the transverse pipe used for introducing coke oven gas, the transverse pipe is connected with a plurality of small branch pipes, and the lower portions of the small branch pipes are communicated with a lower spray pipe automatic opening and closing valve, a pipe plug and the transverse pipe; the side face of the small branch pipe is connected with a guide pipe, the guide pipe is correspondingly provided with an electric pressure gauge and an electromagnetic valve, the other end of the guide pipe is connected with a main pipe, the main pipe is provided with an electric pressure gauge and connected with corresponding branch pipes according to different input medium types, and the branch pipes are provided with electromagnetic valves. The electromagnetic valves are connected with a digital controller through signal lines, the digital controller is in two-way communication connection with a DCS, the DCS is controlled by a central control room, and the central control room is further electrically connected with the corresponding electric pressure gauges and used for monitoring the pressure in the guide pipe and the main pipe. According to the invention, the lower opening and closing valve of the small branch pipe at the end edge in the transverse pipe can be integrally, quickly, safely and accurately opened, corrosive liquid is discharged in time, and the service life of the transverse pipe of coke oven heating equipment is prolonged.

The utility model belongs to the field of devices for determining liquid leakage, and particularly relates to a drainage type pipe testing device. In order to avoid lifting a pipe column with liquid, the utility model provides a drainage type pipe testing device. The pipe tester comprises a tubular main body extending up and down, the tubular main body is provided with a central flow channel and a discharge flow channel, and the discharge flow channel is provided with a liquid inlet and a liquid outlet which are communicated with the central flow channel; a sliding sleeve is arranged in the central flow channel, the central flow channel is provided with a check valve, and the check valve is located between the liquid inlet and the liquid outlet; the sliding sleeve is mounted on the tubular main body through the destructible part and is used for blocking the liquid inlet, and a part of the central flow channel positioned below the liquid inlet and adjacent to the liquid inlet forms an accommodating space for completely accommodating the sliding sleeve to open the liquid inlet after the destructible part is destructed; and the lower end of the tubular main body is provided with a semi-spherical surface matched with a tube testing ball seat. By arranging the bypass drainage flow channel and the sliding sleeve switch, the drainage flow channel can be opened for drainage during drainage, and the situation that a tubular column is lifted with liquid is avoided.

The application discloses a kind of annular fracturing gas lift liquid discharge pipe columns and operating methods, including multiple groups of gas lift tools and throttling tools, when annular injection gas, gas enters cavity from the gap between the body of gas lift tool and gland, when injection pressure is greater than the pressure in gas cavity, lower valve body is pushed up, and the disengagement between upper ball valve and bidirectional valve seat, injection gas enters the tubing through bidirectional valve seat, and the liquid in the tubing is discharged by the gas lift tool;When injection pressure is lower than the pressure in gas cavity, upper ball valve is seated in bidirectional valve seat, and oil, casing passage is blocked, injection gas pushes annular fluid surface down, and the process of lower gas lift tool is repeated to open the liquid discharge operation, until the liquid in the tubing is discharged completely by the lowermost gas lift tool.The pipe column can realize rapid liquid discharge after fracturing, without well killing, down liquid discharge pipe column completion, avoid the damage to reservoir by well killing, ensure the modification effect, effectively improve the construction efficiency, reduce the operation cost.

This disclosure relates to a non-metallic elastic sealing ring, a soft-seal oil pump, and a sealing method. The non-metallic elastic sealing ring includes a non-closed ring body; the upper surface of the non-closed ring body is provided with a wedge-shaped groove structure; the non-metallic elastic sealing ring is disposed on the plunger of the soft-seal oil pump. During the upstroke, the pressure of the liquid on the upper part of the non-metallic elastic sealing ring acts on the wedge-shaped groove, decomposes into a circumferential force, causing the sealing ring to expand and deform, completely fitting with the pump barrel, strengthening the seal between the plunger and the pump barrel, maintaining pump efficiency, and simultaneously playing a role in scraping sand and scale, preventing pump jamming; during the downstroke, after the pressure on the upper and lower surfaces of the plunger is balanced, the sealing ring contracts back to its initial state, the gap between the plunger and the pump barrel increases, reducing the downward resistance caused by the high viscosity of the liquid during the downstroke, slowing down the bending of the sucker rod, extending the service life of the rod tube, extending the pump inspection cycle, and reducing production costs.