6092 results about "Oil water" patented technology

The invention discloses a control system applied to an oil-water residue separator, relates to the technical field of equipment control, and constructs a closed-loop control architecture comprising a liquid level sensor, a physical property sensor, a data processing module, a control decision module and an execution module. According to the system, liquid level change trend and conductivity mutation characteristics are extracted, an emulsification interference prediction model is constructed, a discharge threshold value is dynamically corrected, discharge conditions are intelligently judged in combination with separation time logic, discharge operation of oil, water and slag is accurately controlled, the system effectively avoids mistaken arrangement in an emulsification state, the separation efficiency and the automation level are improved, and the system is suitable for large-scale popularization and application. And the operation stability and the environmental protection compliance of the equipment under a high-complexity working condition are obviously enhanced.

The invention relates to the technical field of oilfield exploitation, and discloses a nanometer oil-displacing agent for oilfield oil extraction and a preparation method thereof.The nanometer oil-displacing agent takes modified nanometer silicon dioxide and a surfactant as main components, polymer macromolecules are modified on the surface of the nanometer silicon dioxide to serve as a main body of the nanometer oil-displacing agent, and the nanometer oil-displacing agent is prepared. Under the action of the surfactant, the nano silicon dioxide can flow into the fine throat and the micro throat, and the polymer macromolecules of the branched structure can generate a relatively strong interaction force with the rock, so that the polymer macromolecules are firmly adhered to the surface of the rock, the adhesion of crude oil on the surface of the rock is reduced, a smooth crude oil channel is constructed, and the flowing pressure of liquid is reduced; and crude oil fluidity is improved. The structure of the cross-linking agent contains quaternary ammonium cations, so that the electrostatic repulsion effect between nano silicon dioxide can be greatly enhanced, aggregation between nano silicon dioxide and nano silicon dioxide can be avoided, the interfacial tension can be efficiently maintained, the oil-water interfacial tension is greatly reduced, and the recovery rate of crude oil is effectively increased.

The invention discloses an automatic measuring and adjusting method and system for flow of an intelligent separate injection well, and relates to the technical field of layered flow allocation. The method comprises the steps that the residual oil saturation of each layer in an oil reservoir is calculated based on historical and real-time data of the oil reservoir, and the initial water injection rate is distributed according to the residual oil saturation of different layers; and predicting an oil-water output ratio by using a water drive curve model according to the distributed initial water injection rate, and dynamically adjusting a water injection strategy in combination with actual production data for implementation. According to the method, the seepage rate and the pressure distribution are calculated by combining the physical constraint model and the Darcy law, so that the scientificity of regulation and control of the water injection rate of each layer is improved, and pressure balance and seepage path optimization of each layer in the oil reservoir development process are ensured; the real-time water injection strategy is optimized by dynamically predicting and adjusting the oil-water output ratio through the water drive curve model, the water injection rate is dynamically adjusted through the nonlinear prediction control model, it is ensured that the system can still operate stably in the complex dynamic environment, and the water injection efficiency and the recovery efficiency are remarkably improved.

The invention provides a shale oil reservoir oil content evaluation method, which comprises the following steps: coring a shale sample, and carrying out anhydrous wire cutting processing to obtain a plunger sample and a crushed sample in an original state; respectively carrying out two-dimensional T1-T2 nuclear magnetic resonance testing on the plunger samples in the original state and the oil-water recovery state; according to the T1-T2 nuclear magnetic resonance spectrum, oil signal amplitudes of the plunger sample in an original state and an oil-water recovery state are identified, and a light hydrocarbon recovery coefficient is determined; the crushed sample is subjected to conventional pyrolysis and multi-temperature-order pyrolysis, conventional pyrolysis parameters and multi-temperature-order pyrolysis parameters are obtained, a first equation is established, and the first equation represents the relation between the original state oil content and the conventional pyrolysis parameters; according to the light hydrocarbon recovery coefficient and the first equation, a second equation is established, and the second equation represents the relation between the oil content in the oil-water recovery state and the conventional pyrolysis parameters; and evaluating the oil content of the shale oil reservoir in the oil-water recovery state according to the second equation and the measured conventional pyrolysis parameters.

The invention relates to the technical field of multi-equipment cooperative control, and discloses a multi-equipment cooperative control method and device for drilling mud treatment.The method comprises the steps that stirring parameters of mixing tank equipment, precipitation time parameters of precipitation tank equipment and separation efficiency parameters of oil-water separation equipment are obtained; solving a steady state control equation and a dynamic adjustment equation simultaneously to obtain an initial cooperative control parameter set; performing branch control architecture division and parallel processing based on the initial cooperative control parameter set to obtain a branch parallel control parameter set; performing deep reinforcement learning training according to the branch parallel control parameter set, constructing a reinforcement learning model, and generating an optimal parameter adjustment strategy; monitoring and threshold triggering processing are carried out based on the optimal parameter adjustment strategy, a dynamic adjustment control instruction is output, the method solves the problem of coupling control among multiple devices, and dynamic adjustment and self-adaptive control of the multiple devices of the drilling mud are achieved.

The invention belongs to the technical field of super-hydrophobic materials, and particularly relates to a preparation method and application of magnetic response multifunctional super-hydrophobic biomass aerogel. The super-hydrophobic PDMS-coated CMIL-101 / CS aerogel is prepared by combining chitosan (CS), a magnetic porous carbon material (CMIL-101) and polydimethylsiloxane (PDMS) through a freeze drying technology, so that efficient oil-water separation and organic pollutant microplastic removal are realized. The aerogel utilizes magnetic response and photo-thermal characteristics, promotes oil adsorption and treats high-viscosity oil in a magnetic field, simplifies the purification process, and has important application value for water body remediation.

The invention discloses a method and device for recognizing the water outlet position and the water outlet mode of a horizontal well based on DTS temperature profile features. Comprising the following steps: acquiring distributed optical fiber temperature sensing (DTS) temperature profile data along a horizontal shaft; establishing a multiphase flow horizontal well temperature prediction composite model as a forward model; an inversion model is established, and stratum permeability distribution and an oil-water output profile are obtained; according to the well section with the water phase liquid production capacity exceeding a preset threshold value in the production profile, the water outlet position of the horizontal well is recognized; and determining the water outlet mode of the horizontal well by combining the analysis result of the multiphase flow horizontal well temperature prediction composite model on the temperature response in different water outlet modes according to the temperature change characteristics presented at the identified water outlet position by the DTS temperature profile. Compared with the prior art, the water outlet position can be more accurately recognized, the water outlet mode can be effectively distinguished, the monitoring cost is reduced, and powerful technical support is provided for water control and oil stabilization of the horizontal well.

The invention discloses a static mixer for oil-water emulsification, and relates to the technical field of oil-water emulsification, the static mixer comprises an oil-water mixing pipe, a dosing pipe is fixed on one side of the top end of the oil-water mixing pipe close to a feed port, support rings are symmetrically fixed in the oil-water mixing pipe, and a DNA-imitated double-helix channel is fixed between the two groups of support rings; the DNA-imitating double-helix channel is fixed between the two groups of supporting rings on the inner side of the oil-water mixing pipe, the shark-imitating placoid scale ribs which are distributed in an array manner are fixed on the inner wall of the DNA-imitating double-helix channel, a unique bionics principle is utilized, an efficient mixing phenomenon in nature is simulated, efficient and uniform mixing of fluid in a steady-state environment is realized, and the oil-water mixing effect is improved. According to the device, fluid can be guided to generate micro vortexes, full contact and collision of oil drops and water drops can be promoted, the emulsification efficiency and stability are remarkably improved, an external power source is not needed, efficient mixing can be achieved by means of energy of the fluid, and the device is compact in overall structure, easy and convenient to install and suitable for various-scale emulsification processes.

The invention discloses a shale oil high-pressure imbibition micro-fluidic experimental device and method, the shale oil high-pressure imbibition micro-fluidic experimental device comprises a nano-fluidic chip holder, the nano-fluidic chip holder is provided with a matrix type chip model, and the nano-fluidic chip holder is connected with a water bath box; the matrix type chip model is communicated with a pressure tracking pump and a vacuum pump, and the communicating position of the pressure tracking pump and the vacuum pump is communicated with an intermediate container and a power pump in sequence. And a full-period production dynamic process of fracturing fluid injection, well closing and well opening oil extraction under the shale reservoir condition is simulated by utilizing a nanofluidic technology. Meanwhile, a microfluidic experimental method is established by utilizing the experimental device, the flowing process and the distribution state of the oil-water two phases in the whole process of pressing, stuffiness and production are visually monitored and recorded in real time, and the imbibition replacement efficiency is quantitatively calculated by utilizing an image processing method.

The utility model belongs to the technical field of coal tar chemical industry, and particularly discloses a coal tar raw material layering dehydration device which comprises a raw material tank and a base, the lower end of the raw material tank is fixedly connected with the base, a feeding port is formed in the top of the raw material tank, and the outer side of the raw material tank is sleeved with a steam heat exchange sleeve. A water layer drain pipe is fixedly connected to the upper side of the raw material tank, an oil layer drain pipe is fixedly connected to the lower side of the raw material tank, a mixed drain pipe is fixedly connected between the water layer drain pipe and the oil layer drain pipe, the other end of the mixed drain pipe is fixedly connected with an electromagnetic three-way valve, and a liquid density sensor is fixedly connected to the inner wall of the raw material tank at the position of the mixed drain pipe. According to the utility model, the three liquid discharge pipes with different height positions are arranged, the liquid density sensor is arranged at the input end of the mixed liquid discharge pipe, and the controller is linked with the electromagnetic three-way valve at the output end of the mixed liquid discharge pipe, so that the automatic distinguishing and confirmation of an oil-water separation end point are realized, and the accuracy of oil-water separation is improved.

The invention relates to the technical field of chemical sewage treatment, in particular to a chemical sewage treatment reaction device which comprises a supporting base, a treatment tank is fixedly installed in the supporting base, a plurality of evenly-distributed discharging holes are fixedly formed in the lower end face of the treatment tank, and a main body mechanism used for integrated installation is arranged in the treatment tank. An integrated operation model of flotation, adsorption and impurity removal is adopted for rapidly completing flotation treatment on oily sewage, operation complexity is reduced through one-time synchronous fixing and centralized installation, bubbles are made to adapt to different oil drops in a step-by-step flotation mode, air outlet positions are switched through rotation, uniform distribution of the bubbles is achieved, and the flotation efficiency of the oily sewage is improved. And after flotation is completed, upper-layer sewage is directly pumped to cool and solidify grease, and the grease is filtered layer by layer, so that the risk of repollution is effectively reduced, the separation of the grease and solid impurities is optimized, and efficient, convenient and environment-friendly sewage treatment is realized.

The utility model provides a petroleum wastewater oil-water separation device which is connected with a discharge port of a mixer, the mixer is used for mixing and reacting oil dirt in petroleum wastewater with air and a flocculating agent to form scum, the device comprises an air floatation tank, one end of the air floatation tank is connected with the discharge port of the mixer through a conveying pipeline, and the other end of the air floatation tank is provided with a receiving hopper; a scum scraping mechanism is arranged at the top of the air floatation tank; the dredging mechanism comprises a push block, a connecting plate and a reciprocating mechanism, the connecting plate is connected with the push block, the connecting plate is slidably connected in a vertically arranged sliding sleeve, the sliding sleeve is fixed in the receiving hopper through a transverse plate, the reciprocating mechanism is arranged at the other end of the air floatation tank, and when the connecting plate moves downwards to the maximum limit, the push block enters a slag discharging opening of the receiving hopper, and the slag discharging opening is opened. When the connecting plate moves upwards to the maximum limit, a preset distance is reserved between the push block and the slag discharging opening. The device can dredge the material receiving port in time through the dredging mechanism, so that a large amount of scum is prevented from being accumulated in the receiving hopper to influence the scraping of the scum in the air floatation tank.

The invention relates to the technical field of petrochemical engineering, and particularly discloses a preparation method of a high-sulfur and high-acid crude oil demulsifier, which comprises the following steps: uniformly mixing 40-60 parts by mass of modified polyether, 25-30 parts by mass of zwitterionic surfactant and 10-12 parts by mass of solvent, heating to 50-70 DEG C, reacting for 1-2 hours, and cooling to room temperature to obtain the high-sulfur and high-acid crude oil demulsifier. Adding 3-8 parts by mass of activated aluminum oxide, 8-16 parts by mass of an antacid and 2-4 parts by mass of a corrosion inhibitor, uniformly mixing, adding 0.5-1 part by mass of a defoaming agent, uniformly mixing, cooling, and standing for layering to obtain a demulsifier; the antacid comprises ethanolamine and zinc oxide. The demulsifier prepared by the invention not only has excellent performance in the aspects of dehydration and promotion of oil-water separation, but also can improve the quality of crude oil and reduce the acid value and the sulfur content to a certain extent.

The invention discloses an ultrasonic water meter measurement correction method based on fluid parameter coupling. The method comprises the following steps: collecting multiple parameters in real time; dynamically matching fluid physical property parameters; calculating a dynamic correction factor; and sound velocity temperature correction and flow output. The multi-parameter coupling correction enables the measurement precision to be obviously improved, the applicability is wider, and the real-time performance and the stability are stronger; the problems that according to an existing ultrasonic water meter temperature compensation scheme, the nonlinear influence of fluid viscosity change caused by temperature change on the sound velocity is not considered, the coupling effect of flow velocity distribution and the Reynolds number (Re) is ignored, and errors are obvious in the scene of high-viscosity fluid (such as oil-water mixed liquid) are solved.

The invention relates to the technical field of rock sample oil-water saturation determination based on a nuclear magnetic technology, and provides a shale sample oil-water saturation intelligent determination method based on a two-dimensional nuclear magnetic technology, and the method comprises the following steps: collecting volumes, echo signals and signal-to-noise ratios of a preset number of rock samples; marking a target rock sample and a comparison rock sample, and determining a volume influence comprehensive interference degree and a noise amplification coefficient of a target echo signal; obtaining a denoised target echo signal according to the target echo signal, the volume of the rock sample corresponding to the target echo signal and the noise amplification coefficient of the echo signal; according to experiments of rock sample two-dimensional nuclear magnetic oil-water distribution, pore attributes and the like, a two-dimensional nuclear magnetic T1-T2 map is divided into an invalid pore area and an effective pore area of a rock sample corresponding to the two-dimensional nuclear magnetic T1-T2 map and an oil-water distribution area of the effective pore area, a fluid close to reservoir oil-water distribution is adopted to recover a two-dimensional nuclear magnetic spectrum of the rock sample, and the oil-water content corresponding to a nuclear magnetic signal is extracted; and obtaining a rock sample oil-water saturation determination result based on the nuclear magnetic technology.

The invention relates to the technical field of material science and engineering, and discloses a nanocellulose-based oil-water separation and adsorption composite material, which is prepared from the following raw materials in parts by mass: 35 to 45 parts of nanocellulose; 8 to 11 parts of bagasse cellulose; 10 to 15 parts of sodium lignin sulfonate; 4 to 8 parts of chitosan; 5-10 parts of oxidized starch; 5 to 8 parts of cellulose nanowhiskers; 2-5 parts of silicon dioxide nanoparticles; 0.5 to 1 part of calcium carbonate nanoparticles; 1-2 parts of a citric acid cross-linking agent; 1-2 parts of graphene oxide; 0.3 to 0.6 part of ethylene diamine tetraacetic acid; 2-5 parts of glycerol; 0.4 to 1 part of stearoyl chloride; 2-4 parts of nano iron oxide; the preparation method comprises the following steps: pretreating the raw materials, mixing the pretreated raw materials into slurry, carrying out crosslinking and ultrasonic dispersion, standing to obtain a basic mixture, injecting the basic mixture into a mold, carrying out freeze drying to form a photocatalytic layer, carrying out centrifugal dewatering, carrying out chelation reaction, spraying a composite solution, and carrying out vacuum drying to obtain the photocatalytic material. The obtained composite material has the advantages of efficient adsorption capacity, good mechanical properties, environmental friendliness, degradability and low preparation cost.

The invention discloses an oil storage tank oil-water interface measurement system and method and a storage medium, and relates to the technical field of oil-water interface measurement, and the system comprises a data acquisition module, a data processing module, a decision support module and a data security module. According to the oil-water interface measuring system and method for the oil storage tank and the storage medium, a three-dimensional sensing network (distributed sensor network) is constructed by adopting a pressure sensor array and phased array ultrasonic scanning technology and combining dielectric property detection of a microwave dielectric constant sensor; the pressure, the dielectric constant, the liquid level and the vibration data in the tank body are obtained, basic data are provided for subsequent processing, the comprehensiveness of data obtaining can be improved through the sensing network, the pressure data are dynamically calibrated through Takagi-Sugeno fuzzy logic, the influence of temperature drift is effectively eliminated, and the accuracy of data obtaining is improved. The ultrasonic signals are subjected to feature enhancement through the generative adversarial network, and the emulsion layer boundary is accurately recognized.

The invention provides a coalescence-selective filtration-deep bed filtration efficient oil-water separation system which comprises a coalescence system, a selective filtration system and a deep bed filtration system, oily wastewater enters a coalescer, and tiny oil droplets are coalesced into larger oil droplets through wetting coalescence and collision coalescence; the coalesced wastewater enters a selective filter, oil droplets and water respectively flow out through an oil channel and a water channel, and primary separation is realized; according to the present invention, the water after the primary separation enters the deep bed filter to achieve the deep separation, the efficient oil-water separation and the water quality standard discharge or reuse are achieved through the combination process of coalescence, selective filtration and deep bed filtration, and the system has advantages of high treatment efficiency, low energy consumption, less carbon emission, oil and water recycling, or water standard discharge.

The utility model belongs to the technical field of sewage treatment, and particularly relates to a coalescence air floatation oil removal device for oil and gas field wastewater treatment, which is characterized in that a cyclone sand remover, an oil particle coalescence layer, a micro air floatation device, an oil discharge device and a water discharge pipe are sequentially arranged in a shell from bottom to top, and an exhaust device is arranged at the upper part of one side of the shell; a sewage inlet pipe is arranged on the lower portion of one side of the shell and connected to the feeding end of the cyclone desander. Oily sewage passes through the cyclone sand remover to remove large-particle-size silt, then passes through the oil particle coalescence layer, tiny oil particles gradually form an oil film on the surface of a coalescence material, after the oil film reaches a certain thickness, the oil film is deformed into large oil droplets which are sufficient to be separated and rise from a water phase, and then oil drops and suspended flocs in the oily sewage are removed through the micro air flotation device. Finally, floating oil enters the oil discharging device to be discharged, the oil-removed sewage is discharged through the water discharging pipe, oil-water separation is completed, the oil removal purpose is achieved, the oil removal effect is better, the sewage treatment effect is improved, and the water quality of produced water is improved.

The invention provides an air floating type oil-water separation mechanism and a treatment device, and relates to the field of sewage treatment.The air floating type oil-water separation mechanism comprises a slag scraping plate, a driving mechanism and a slag scraping assembly, and the driving mechanism comprises two symmetrically-distributed vertical plates and the slag scraping plate located between the two vertical plates; a first vertical groove, a first transverse groove, a second vertical groove and a second transverse groove which are sequentially distributed in the clockwise direction and communicate with one another to form a rectangular groove are formed in the surfaces of the vertical plates, a sliding rod is arranged between the two vertical plates, the sliding rod is in sliding fit with the first vertical groove, the first transverse groove, the second vertical groove and the second transverse groove, and a transverse rod is fixedly connected to the surface of the sliding rod. And the slag scraping plate is fixedly mounted at the free end of the cross rod. According to the oil-water separation device disclosed by the invention, through the arrangement of the driving mechanism and the residue scraping assembly, while the residue scraping plate is used for scraping floating residues on the water surface, the floating residues adhered to the surface of the residue scraping plate can also be scraped off, so that the situation that the floating residues are brought into water when the residue scraping plate enters the water surface again is effectively prevented, and the overall oil-water separation efficiency of the device is effectively improved.

The invention discloses a method for monitoring and evaluating the separation effect of an oil-water residue separator, particularly relates to the field of wastewater treatment, and aims to solve the problem of misjudgment of the separation efficiency caused by grease solidification and flow field disorder in a cold start stage. Thermodynamic state offset and flow field stability parameters are accurately calculated, an oil layer semi-solid distribution proportion and separation interface reconstruction delay time are dynamically predicted by combining a pre-training model and an interface recovery theory, an actual effective separation area is solved by utilizing a dynamic compensation algorithm, and an oil layer polymerization degree evolution curve is predicted; finally, the separation effect standard reaching opportunity is intelligently judged through the synchronization rate index of the two-parameter evaluation matrix, oil layer damage caused by too early oil discharge or water quality pollution caused by too late operation is avoided, meanwhile, the equipment operation strategy is optimized by accurately predicting the oil layer polymerization state, ineffective abrasion of mechanical parts is reduced, the service life of key parts is prolonged, and the product quality is improved. And the effluent quality is stable and reaches the standard.

The invention discloses sewage treatment equipment suitable for urban sewage treatment, and relates to the technical field of sewage treatment.The sewage treatment equipment comprises a barrel, a discharging hopper is fixedly connected to the top of the barrel, the discharging end of the discharging hopper is located in the barrel, a T-shaped block is fixedly connected to the interior of the barrel, and an arc-shaped annular plate is fixedly connected to the middle of the top of the T-shaped block; a through hole is formed in the outer side of the arc-shaped annular plate, an extension hole is formed in the T-shaped block, a hollow ball is slidably connected into the extension hole, a round rod is fixedly connected to the top of the hollow ball, and a floating ball is fixedly connected to the end, away from the hollow ball, of the round rod. According to the sewage treatment equipment suitable for urban sewage treatment, separation can be better achieved through the surface tension difference of oil and water through the arc-shaped narrow opening, when an oil-water mixture passes through the arc-shaped narrow opening, due to the effect of surface tension, water tends to flow on the inner side of the narrow opening, oil flows on the outer side, and therefore the oil-water mixture is separated from the oil-water mixture. The oil-water separation efficiency is favorably improved.

The utility model discloses an oil-water separation device convenient to replace a separation membrane, which relates to the field of oil-water separation and comprises an oil-water separation container, a deposition separation chamber, a corrugated coalescence chamber and a fiber polymerization chamber are independently arranged in the oil-water separation container, an oil collection chamber is formed in the deposition separation chamber, and one side of the top of the oil collection chamber is communicated with the deposition separation chamber. One side of the oil-water separation container is connected with a water inlet pipe, one end of the water inlet pipe extends into the filtering roller, the bottom of the deposition separation chamber is connected with a corrugated coalescence chamber through a first valve pipeline, a corrugated plate coalescer is arranged in the corrugated coalescence chamber, a first oil collecting chamber is arranged on one side of the corrugated coalescence chamber, and one side of the top of the corrugated coalescence chamber is communicated with the first oil collecting chamber. The bottom of the corrugated coalescence chamber is connected with a fiber polymerization chamber through a second valve pipeline, a fiber polymerizer is arranged in the fiber polymerization chamber, and a second oil collection chamber is arranged on one side of the fiber polymerization chamber, so that the oil-water separation effect is improved, and small oil drops in sewage can be separated.

The microbial petroleum decontamination wastewater treatment device comprises an oil separation tank, pump bodies are installed at the front center and the rear center of the oil separation tank, an inclined plate is attached to the bottom of the oil separation tank, openings are formed in the positions, close to the top, of the front side and the rear side of the oil separation tank, and two penetrating openings are formed in the top of the oil separation tank; through mutual cooperation of the L-shaped fixing plate, the positioning plate, the movable plate, the rack, the reciprocating plate, the annular plate, the motor, the discharging box, the connecting plate, the guide plate, the L-shaped welding plate, the electric pole and other components, the oil separation tank can be used for oil separation, and the oil separation tank can be used for oil separation. When oil and suspended solids need to be removed, surface charges of oil drops can be reduced by scattering microorganisms, the oil drops are promoted to coalesce and float upwards, and the oil-water separation efficiency is improved.

The invention discloses a separation and extraction system for torreya grandis aril essential oil and an essential oil production line, and the system comprises a squeezing mechanism which comprises a mesh bag for containing torreya grandis aril and a squeezing disc; the distillation mechanism comprises a distillation retort and a steam guide assembly, the distillation retort is connected with a feeding pipe and a steam conveying pipe, the feeding pipe is communicated with the liquid outlet channel, and the steam guide assembly is used for guiding steam introduced into the distillation retort; the condensation mechanism is connected with the distillation retort through a condensation guide pipe, and distilled volatile oil is guided into the condensation mechanism together with steam to be condensed; the oil-water separation mechanism is connected with the condensation mechanism through a separation guide pipe, and the oil-water mixture output by the condensation mechanism is guided into the oil-water separation mechanism for oil-water separation and extraction. The essential oil separation and extraction system and the essential oil production line are suitable for torreya grandis planting fields with limited yield to extract essential oil, and the situation that torreya grandis aril is discarded as waste, and resources are wasted is avoided.

The invention discloses an oil-water emulsification turbulent flow mixer structure which comprises an oil-water mixing pipe and a spiral strip, the spiral strip is fixedly arranged in the oil-water mixing pipe, a dorsal fin spiral rib is fixedly arranged on one side of the spiral strip in a surrounding mode, the dorsal fin spiral rib is provided with three parting spirals, and the inner side of the spiral strip is connected with a first rib edge; the outer side of the spiral strip is connected with a second rib edge, the first rib edge and the second rib edge are triangular, an arc-shaped turbulent flow protrusion is fixedly arranged between the spiral strip and the dorsal fin spiral rib in a matched mode, and a honeycomb grid is fixedly arranged between the first rib edge and the second rib edge and the spiral strip; through the parting spiral structure of the dorsal fin spiral ribs and the step-by-step decreasing design of the spiral curvature, a multi-stage vortex excitation area is formed, superposition of vortexes of different scales is induced, the oil-water mixing process is accelerated, through the synergistic effect of the hexagonal periodic topological units of the honeycomb grids and the surface micron-sized groove arrays, a flow field is segmented, boundary layer flowing is regulated and controlled, and the oil-water mixing effect is improved. The microscopic shear effect is enhanced, and the liquid drop crushing efficiency and the mixing uniformity are improved.

The invention provides a calibration method for a nuclear magnetic fluid signal conversion relation with shale as a carrier and application, and belongs to the technical field of unconventional oil-gas exploration and development. The method comprises the steps that shale samples are pretreated, and fluid saturation is conducted on the shale samples; the saturated shale is subjected to centrifugation and drying treatment, and T2 spectrogram testing is carried out by adopting nuclear magnetic resonance equipment in different treatment stages; and the conversion relation of the oil-water fluid in the shale is established by comparing the attenuation amount of the fluid in the shale pores at different stages with the T2 spectrogram signal difference value. The mass change caused by fluid loss in the closed coring shale is used as the verification basis of the conversion relation, and the reliability of the method is ensured. And then crude oil with different maturity degrees and formation water fluids with different mineralization degrees are adopted to repeat the operation, the calibration conversion relation of the crude oil with different maturity degrees and the formation water with different mineralization degrees is obtained, then the change rule of the calibration conversion relation is disclosed, and the accuracy and scientificity of the nuclear magnetic resonance technology in the aspect of shale fluid evaluation are improved.

The invention provides a dirty oil sludge treatment method and skid-mounted dirty oil sludge treatment equipment, the method comprises treatment of dirty oil, aged oil, oily sludge and the like, and the main steps are as follows: short-time demulsification is performed through special equipment, and then primary and secondary centrifugal separation is performed to separate water, solid residues and other impurities in the dirty oil sludge, so that the dirty oil sludge is treated. And reduction and recycling of the oil sludge are realized. According to the skid-mounted dirty oil sludge treatment equipment, dirty oil sludge is pumped to a filter to remove large-particle-size impurities, then the dirty oil sludge enters a preheater to be heated, and the heated dirty oil enters a core treatment unit to be subjected to high-energy physical nucleation demulsification; feeding the demulsified sump oil into a horizontal screw centrifuge for solid-liquid separation, and bagging the separated solid residues or feeding the separated solid residues into a sludge drying pry; feeding a separated liquid phase into a three-phase disc centrifuge, carrying out oil-water separation, conveying separated oil out for refining, and conveying separated water out to a sewage treatment plant. And finally, physical and chemical inspection of an oil-phase, water-phase and solid-phase product is inspected, and operation parameters and the technological process are adjusted.

The invention provides a load distribution method, device and system for numerical reservoir simulation. The method comprises the steps that a grid file is obtained, the grid file is a file representing the geological space structure of a target area, the target area is one or more of a coal mine, an oil field, a geothermal field and a gas field, and the grid file comprises a plurality of grids; loads are distributed according to the types of grids in the grid file, the types of the grids comprise structured grids or non-structured grids, the loads are equipment used for reservoir numerical simulation, and the distribution mode comprises average distribution according to the number of the grids and / or average distribution according to the calculation time of the grids, the calculation time is time for load calculation of oil-water distribution of the target area during numerical reservoir simulation; and controlling all loads, and carrying out reservoir numerical simulation based on the distributed grid file. According to the method, the problem that in the prior art, load balancing cannot be achieved during load distribution in numerical reservoir simulation grid calculation is solved.

The invention relates to a coaxial microstrip antenna sensor for measuring the water holdup of an oil-water two-phase flow, which comprises an insertion body and an annular microstrip antenna arranged in a pipeline in the insertion body and used for transmitting a microwave signal; the pipeline outer annular microstrip antenna is arranged outside the measuring pipeline and is used for receiving microwave signals; wherein the insertion body is an insulator and is embedded into the center of the measuring pipeline, the axis of the insertion body is coaxial with the measuring pipeline, and a pipeline annular space is formed between the insertion body and the measuring pipeline; the annular microstrip antenna in the pipeline comprises an annular grounding polar plate, an annular radiation polar plate and a coaxial feeder line which are coaxially arranged, the annular grounding polar plate is embedded into the insert body and located on the inner layer, and the annular radiation polar plate is embedded into the insert body and located on the outer layer; the pipeline outer annular microstrip antenna used for receiving microwave signals is coaxially installed on the outer side of the pipe wall and comprises an annular radiation polar plate arranged on the outer wall of the pipeline, an annular shielding layer located on the periphery of the annular radiation polar plate and a coaxial feeder line.