442 results about "Oil content" patented technology

The present invention belongs to the field of shale oil exploration. Provided are an evaluation method for the content of movable oil in shale, and a device and a storage medium. The evaluation method comprises the following steps: on the basis of pyrolysis test data of a sample to be tested at different aging times, determining a first recovery coefficient; on the basis of pyrolysis test data of said sample in different sample crushing environments, determining a second recovery coefficient; on the basis of pyrolysis test data of said sample at different crushing particle sizes, determining a third recovery coefficient; on the basis of pyrolysis test data of said sample at different pyrolysis temperatures, determining a fourth recovery coefficient; determining the product of the first recovery coefficient, the second recovery coefficient, the third recovery coefficient and the fourth recovery coefficient to be a light hydrocarbon recovery coefficient; and on the basis of the light hydrocarbon recovery coefficient, evaluating the content of movable oil in shale. The method provided in the present invention offers guidance for quantitatively evaluating the oil content of shale, and a finally determined free oil content result has a relatively small difference from the actual situation.

The invention belongs to the technical field of shale oil development and research, and discloses a shale oil mobility evaluation method based on a two-dimensional nuclear magnetic resonance experiment, which comprises the following steps: dividing an oil-containing shale sample harvested by a closed coring well into three parts which are respectively marked as a sample 1, a sample 2 and a sample 3; carrying out a TOC determination experiment on the sample 1 to obtain the TOC content of the sample; carrying out a step-by-step pyrolysis experiment on the sample 2 to obtain the contents of the sample S1-1 and the sample S2-2; calculating to obtain a shale oil mobility evaluation factor which is marked as FMO; carrying out a two-dimensional nuclear magnetic resonance experiment on the sample 3 before and after centrifugation to obtain the movable oil content of the sample before and after centrifugation, calculating to obtain the percentage of two-nuclear magnetic resonance movable oil, and recording the percentage as MO2D-NMR; and shale oil mobility evaluation is realized through analysis of the relationship between MO2D-NMR and FMO. According to the method provided by the invention, nondestructive testing of the sample can be realized in the two-dimensional nuclear magnetic resonance experiment process, the loss of light hydrocarbon can be reduced to the greatest extent, and the mobility evaluation precision of shale oil is effectively improved.

The invention discloses a sampling device and method for detecting the oil content of oil sand ore based on hyperspectrum, and relates to the technical field of oil sand ore sampling. Comprising a mounting base, a drilling barrel and a drill bit, the mounting base, the drilling barrel and the drill bit are sequentially in threaded connection in the direction from top to bottom, the mounting base is rotationally connected with a connecting piece located in the drilling barrel, and the lower side of the connecting piece is in threaded connection with a middle barrel; a guide assembly for reducing the moving resistance of the oil sand sample is arranged on the connecting piece; the guide assembly comprises two inner half cylinders which are symmetrically distributed and a sample containing cylinder. An oil sand sample entering the space between the two inner half cylinders is gradually wrapped by the sample containing cylinder, and the oil sand sample is isolated from the inner half cylinders, so that the oil sand sample does not make direct contact with the inner half cylinders, friction resistance borne by the oil sand sample in the process of moving into the inner half cylinders is reduced, interference to the porosity of the oil sand sample and the rock structure is reduced, and the oil sand sample detection accuracy is improved. And the detection error of the oil content is reduced.

The invention discloses a method and system for predicting the change of the movable oil content before and after fracturing, and belongs to the technical field of oilfield development, the method comprises the following steps: firstly, collecting geological data and production data of a target rock, and constructing a standard data set; then establishing and training a movable oil content prediction model based on machine learning; then determining the movable oil content before fracturing by analyzing a sample of a target rock block, obtaining stratum parameters and fracturing well parameters of a target block, and inputting the model to predict the movable oil content after fracturing; and finally, the content change of the target rock is evaluated based on the movable oil content before and after fracturing so as to guide optimization of an oil reservoir development strategy.

The invention relates to the technical field of oily solid treatment, and discloses an oily sludge and sand resourceful treatment method and system.The oily sludge and sand resourceful treatment method comprises the following steps that oil sludge is subjected to component analysis, and the oil content, the heavy metal type and sandy soil particle size distribution data are obtained; based on data of component analysis, adopting a microwave field to carry out dynamic pretreatment on the oil sludge, adjusting microwave parameters through coupling electromagnetic field distribution and a heat conduction model, and separating oil and sand; the pretreated sandy soil is subjected to flora combination optimization biodegradation, the flora proportion is screened based on a strain degradation efficiency matrix, and residual pollutants are degraded; and according to the biodegraded residue components, a recycling path is matched, and a regenerated material is formed. The invention provides an oil sludge and sand full-process treatment method based on microwave dynamic regulation and control, flora combination optimization and a multi-objective decision model. Integrated cooperative control of oil-sand efficient separation, multi-pollutant deep degradation and residue accurate recycling is achieved.

The oil separation structure comprises an oil separation cavity, a driving unit, a connecting unit and a separation unit, the driving unit, the connecting unit and the separation unit are arranged in the oil separation cavity, the driving unit is arranged on the connecting unit and can drive the connecting unit to rotate, and the separation unit is arranged on the connecting unit and can rotate along with the connecting unit; the oil separation cavity is provided with an air inlet, an oil-gas mixture enables the driving unit to rotate through the air inlet, then the separation unit is driven to rotate through the connecting unit, and the separation unit can act on the oil-gas mixture when rotating. The high-speed active rotation of the separation unit provides continuous and strong centrifugal force, so that the centrifugal effect required by oil-gas separation is remarkably enhanced and stabilized, the problems of insufficient centrifugal force and limited separation efficiency caused by the fact that a traditional oil separation pipe only depends on the rotation speed of fluid are solved, the oil-gas separation efficiency is greatly improved, and the service life of the oil-gas separator is prolonged. The low oil content of exhaust gas of the compressor is ensured, and the normal operation performance of an air conditioning system is maintained.

The invention provides a construction method of a horizontal well reservoir interpretation model, and relates to the technical field of shale oil-gas field development, and the construction method comprises the following steps: obtaining a target oil testing result and a target parameter corresponding to a fractured section of a target horizontal well; performing correlation analysis on the target parameters according to the target oil testing result, and determining sensitive parameters sensitive to oil-water characteristics in the target parameters; constructing a target relation model according to the sensitive parameters; and establishing a comprehensive interpretation model for interpreting the reservoir type of the horizontal well. According to the method, the target relation model for calculating the lithology index, the oiliness index and the pore structure index is established, and the comprehensive interpretation model for interpreting the reservoir type of the horizontal well through the three indexes is established, so that the characteristics of multiple aspects such as lithology, oiliness and pore structure of the reservoir can be more comprehensively reflected; therefore, the precision of reservoir type interpretation is improved, and accurate data support can be provided for horizontal well fracturing staged clustering.

The invention relates to an oil well declining rate determination method, system, equipment and medium, and the method comprises the steps: obtaining production data of a target oil well for analysis, and drawing a profile map; and determining a decline section of the target oil well based on the profile map, and calculating the yield decline rate of the target oil well by using production data of the decline section. When the decline section is determined, the decline rate of the oil production and the decline rate of the oil content are comprehensively considered, the decline rate of the yield of the target oil well is finally determined in combination with the decline section yield change trend, the actual decline trend of the oil content can be accurately reflected, the virtual high of the assessed reserves is avoided, and the SEC conservative principle is strictly met. Therefore, the method can be widely applied to the field of oil-gas field reserve assessment.

The invention discloses a water pollution treatment device and method for a water supply pump station, and the device comprises an oil scraping plate which is arranged below an oil skimming rod, keeps synchronous rotation with the oil skimming rod, and is used for pushing scum and sump oil on the surface of sewage in a sedimentation tank; the oil skimming part is arranged in the sedimentation tank, rubs the oil scraping plate in the rotating state and is used for collecting scum and dirty oil on the surface of the sewage and discharging the scum and the dirty oil out of the sedimentation tank; the vibration assembly is arranged in the oil scraping plate and is used for driving a plurality of vibration rods to vibrate so as to crush and gather emulsified oil particles in the sewage; the gathering assembly is arranged above the oil scraping plate and is used for generating air flow, blowing the surface of the sewage by utilizing wind power, and driving the scum and the sump oil to gather towards the center direction of the oil scraping plate. According to the invention, the technology spanning from only oil slick treatment to emulsified oil treatment is realized, the oil content in the effluent is obviously reduced, and the efficiency of the subsequent treatment unit and the final water supply quality are improved.

The invention relates to the technical field of unconventional oil-gas exploration, in particular to a high-clay shale oil in-situ accumulation dynamics mechanism and mode evaluation method. The method comprises the following steps: collecting fluid pressure, temperature data, displacement pressure, oiliness, brittleness index, hydrostatic pressure, vitrinite reflectivity and density value of a shale sample at each depth position point of an exploratory well of each exploration point; calculating abnormal sensitivity; further acquiring ground temperature evaluation credibility; obtaining a self-adaptive fitting weight; acquiring the actual fluid pressure of the exploratory well of each survey point at each depth; acquiring the pressure coefficient of the shale sample at each depth position point of the exploratory well of each survey point; obtaining a self-sealing reservoir forming mode and a retention reservoir forming mode of shale oil; based on the vitrinite reflectivity, the oiliness, the brittleness index and the pressure coefficient, a shale oil enrichment area evaluation comprehensive index is constructed, and the in-situ flow of the high-clay shale is evaluated. According to the method, the accuracy of in-situ self-sealing reservoir formation, retention reservoir formation and dynamic mechanism evaluation of the high-clay shale is improved.

The invention discloses a polyester fiber online tension and oil content synchronous detector, and relates to the technical field of polyester fiber processing, the polyester fiber online tension and oil content synchronous detector comprises a support, an output shaft, a transmission shaft, an adjusting shaft and two parallel shafts are arranged on the upper side of the support, an oil content detector is arranged between the two parallel shafts, and a press roller is arranged on the upper side of the transmission shaft; the upper surface of the adjusting shaft is fixedly provided with a tension detector, the support is internally and fixedly provided with a control box, and the control box is in communication connection with the tension detector and the oil content detector. Detection time is shortened, and efficiency and accuracy are improved; through a servo motor and an adjusting structure, detection of fibers of different specifications is adapted, and the universality is enhanced; through cooperation of the limiting disc, the pressing roller and the transmission part, stable fiber conveying is guaranteed, the pressure is optimized through the spring, and accurate and reliable detection is guaranteed.

The invention discloses a mature rapeseed oil content prediction method and system based on a deep learning model, and the method comprises the following steps: deleting a decoding layer in an image segmentation network U-Net, and replacing a convolution module in a U-Net coding layer with a residual connection module, the residual connection module is used for performing a series of convolution and nonlinear transformation on the mature rapeseed samples to obtain depth feature representation of the samples; the input of the residual connection module and the depth feature representation are added through jump connection to serve as the output of the residual connection module; a time sequence feature extraction module and an average pooling module are introduced into the U-Net, the time sequence feature extraction module is used for extracting time sequence features in mature-period rapeseed samples, the detail features and the time sequence features are spliced and then input into the average pooling module and a maximum pooling module, and local features and global features in the samples are further extracted; the oil content of the rapeseed sample in the mature period is output through the full connection layer.

The invention relates to the technical field of oil content measurement, in particular to a method for measuring the oil content of oil-based drilling cuttings and application of the method. The method comprises the following steps: querying a dynamic extraction curve database according to sample lithology and a processing method, and determining an optimal extraction time point by calculating a concentration change rate; multi-point sampling is carried out in the extraction process, the environment temperature and pressure are measured at the same time, an environment influence model comprising a temperature influence sub-model and a pressure influence sub-model is established, and an environment correction factor is obtained; performing infrared spectrum measurement on the extract sample, performing data correction, and calculating an average value and a standard deviation to remove an abnormal value; and finally, calculating the final oil content by adopting a piecewise linear equation aiming at different concentration ranges. By considering the lithologic characteristics, the environmental influence and the segmented linear relation, the measurement precision and reliability are remarkably improved.

The invention belongs to the technical field of oil-gas exploration and development, and provides a deep learning quantitative characterization method and system for the oiliness of a CT scanning oil layer. The method comprises the following steps: determining CT scanning parameters through an oil layer digital intelligent model to obtain an oil layer three-dimensional grayscale image, and comparing the oil layer three-dimensional grayscale image with an electron microscope image to establish a standardized three-dimensional digital model; establishing a deep learning standard model by using a convolutional neural network on the basis, and extracting parameters such as oil content and oil saturation; a judgment standard is determined according to sample experiments and analysis, evaluation standards and digital three-dimensional models of different types of oil layers are constructed, and then dominant target layer sections are screened out. The system comprises a data acquisition module, a model construction module, a parameter extraction module and an evaluation decision module and is used for realizing the method. According to the method, the problem of inaccurate existing measurement is solved, the authenticity and the accuracy of quantitative prediction of the oiliness of the oil layer are improved, the petroleum exploration and development efficiency is improved, and the cost is reduced.

The utility model relates to a horizontal fairing and a horizontal compressor, the fairing comprises a fairing body, the bottom of the fairing body extends outwards to form a bottom edge, one end of the bottom edge far away from the fairing body is bent towards one side of the top of the fairing body to form a side turnup, and the side turnup is bent towards the other side of the top of the fairing body. The end, away from the bottom edge, of the side turnup is bent towards the side away from the cover body to form a top turnup, and the angle theta between the top turnup and the central axis of the cover body is larger than or equal to 70 degrees and smaller than or equal to 135 degrees. Compared with the prior art, the oil outlet quantity and the oil content of a system of the horizontal compressor are reduced, so that the cold force and the energy efficiency of the compressor are improved.

The invention relates to the field of oil field oil sludge treatment equipment, in particular to oil field oil sludge sand-water three-phase separation equipment, which comprises a pretreatment tank body, a rotary stirring shaft rotatably mounted in the tank body, a bottom bracket and a top bracket fixed on the shaft, and a plurality of stirring pipe sleeves with dosing holes arranged between the brackets; a chemical adding control system is further arranged and connected with the stirring shaft, the support and the stirring pipe sleeve, and the chemical adding position, the chemical adding speed and the hardening and tempering temperature can be cooperatively regulated and controlled through a normalization algorithm according to real-time data such as the oil sludge liquid level and the oil content; according to the invention, uniform diffusion and precise effect of liquid medicine are realized, demulsification and flocculation efficiency is maximized, consumption of the liquid medicine is obviously reduced, residual liquid medicine in a pipeline can be cleaned, long-term stable operation of equipment is guaranteed, a good foundation is laid for subsequent three-phase separation, and the overall treatment effect is improved.

The invention discloses a complex-medium-resistant multi-parameter cooperative control method and system for a gel-nano composite foam scrubbing agent, and relates to the technical field of gas field foam drainage gas recovery, and the method comprises the steps: building a complex medium parameter correlation model, and analyzing a coupling rule and an interaction weight of four parameters of mineralization degree, temperature, gas condensate content and methanol content; constructing a multi-parameter response test matrix, setting a plurality of parameter combinations, and repeating the experiment; wellbore parameters are collected in real time, and whether cooperative regulation is triggered or not is judged through a control system; aiming at the mineralization degree and temperature synergetic overrun or condensate oil and methanol synergetic overrun, respectively starting corresponding adjusting modules to carry out synergetic regulation and control; the liquid carrying efficiency is tested through dynamic simulation, and the regulation and control effectiveness is judged according to the foam comprehensive index FCI lifting amplitude and the test deviation; the system comprises a parameter acquisition module, a data transmission module, a control module and a plurality of adjustment modules, and real-time monitoring and dynamic coordinated regulation of parameters are realized. The stability and liquid carrying efficiency of the foam scrubbing agent in a complex medium are effectively improved, the foam scrubbing agent adapts to the severe environment of a western gas field, and stable production of a gas well is guaranteed.

The invention discloses a shale oil content prediction method, device and equipment and a medium, and relates to the technical field of shale oil exploration and development. A high-quality model training sample data set is constructed by integrating shale oil content data actually measured by an oil field and associated logging data of the shale oil content data. And based on the data set, performing model training by adopting a long-short-term memory neural network enhanced based on an attention mechanism, constructing a high-precision shale oil content prediction model, and further performing oil content prediction by utilizing the trained shale oil content prediction model. Petroleum logging data and a deep learning technology are combined, accurate calculation of the oil content of the shale reservoir in the stratum in-situ state is achieved, and the reliability of a prediction result is remarkably improved. Compared with a traditional method, the method has the advantages that the analysis period is greatly shortened, the test cost is reduced, meanwhile, the method has excellent generalization ability, the oil content prediction requirements of different types of shale oil reservoirs can be met, and efficient and accurate technical support is provided for shale oil exploration and development.

The invention relates to the technical field of oil-gas exploration, in particular to a method for measuring the oil content of an oil-based mud polluted rock core (rock debris). The method comprises the following steps: oil-based mud fluorescence quantification, sample pretreatment, ultrasonic oscillation extraction, extraction liquid fluorescence analysis, wellhead oil solvent fluorescence quantification and oil content calculation. The method comprises the following steps: collecting oil-based mud and wellhead oil on an exploration site, treating the oil-based mud and the wellhead oil with pesticide residue-grade dichloromethane, and determining respective fluorescence fingerprint spectrograms and characteristic peaks through three-dimensional fluorescence detection; the method comprises the following steps: grinding a rock core (rock debris) sample to 60-80 meshes, carrying out ultrasonic extraction to obtain an extract, detecting a spectrogram, identifying and deducting an oil-based mud pollution peak, and calculating the oil content by combining the correlation between the fluorescence intensity and concentration of wellhead oil. The method can effectively distinguish the oil-based mud from the oil content of the sample, realizes accurate detection of the oil content of the polluted sample, makes up for insufficient core data, is suitable for evaluation of conventional, unconventional, deep and ultra-deep oil and gas reservoirs, and provides reliable support for oil and gas exploration and the like.

The present disclosure relates to a measuring method and device for trace and ultra-trace oil content. The measuring device of the present disclosure includes a cryogenic enriching device, an extracting device and an infrared spectrometer; The cryogenic enriching device includes a Dewar container and a U-shaped pipe; The extracting device includes an extractant container, an input pipe, an outlet pipe and an extraction liquid quantitative pipe; A mass flowmeter is further disposed on the U-shaped pipe, the oil content in the gas is calculated according to the measured total mass of the gas and the oil concentration of the extraction liquid measured by the infrared spectrometer. The present disclosure further provides a measuring method, which converts the measurement of oil content in gas into the measurement of oil concentration in liquid extractant through effective extraction by liquid nitrogen cold trap enrichment mode, and adopts infrared spectrophotometry to accurately measure.

The invention relates to the technical field of air compressors, and discloses an efficient damping box-packed screw air compressor which comprises a machine shell, a partition plate is installed in the machine shell, a screw machine main machine is fixedly arranged in the machine shell, and the input end of the screw machine main machine is fixedly connected with an air inlet valve assembly; an oil-gas separation tank is arranged on the upper surface of the partition plate and connected with an air inlet valve assembly through a pipeline, an oil-gas separation core is arranged on the outer wall of the oil-gas separation tank, the oil-gas separation core is connected with a minimum pressure valve through a pipeline, the oil-gas separation core is connected with a cooler through a pipeline, and the cooler is fixedly connected to the upper side of the interior of the machine shell. Through a dual separation mechanism of the oil-gas separation tank and the oil-gas separation core, the compressor can finely filter lubricating oil in compressed air, reduce the oil content of exhaust gas and ensure high quality of output air, and the separated lubricating oil is recycled after being cooled and filtered, so that main engine parts are protected, and the consumption and replacement cost of the lubricating oil are reduced.

The invention relates to the technical field of oily wastewater treatment, and discloses a rotational flow dissolved air flotation degreaser which comprises a degreasing assembly and a tank body, a liquid inlet pipe and a liquid outlet pipe are fixed on the tank body, a water weir plate is fixed on the inner wall of the tank body, an oil collecting barrel is arranged on the inner side of the water weir plate, and an oil weir plate is arranged at the top of the oil collecting barrel; the adjusting assembly is arranged on the oil weir plate and comprises an adjusting piece, and the adjusting piece comprises a supporting rod fixed to the top of the oil collecting barrel. The oil tank has the beneficial effects that when an oil layer in the tank body is thickened, the height of the oil weir plate can be reduced through the adjusting assembly, so that the oil layer can quickly cross the oil weir plate to enter the oil collecting barrel without being accumulated to the original thickness, and further the situation that the oil layer is too thick and is brought into a purified water area by rotational flow, and the oil content of a purified water outlet exceeds the standard is avoided; the height of the oil weir plate can be increased through the adjusting assembly, so that a large amount of purified water is prevented from crossing the weir plate along with the thin oil layer and entering the oil collecting cylinder to obviously increase the water content of discharged oil.

The invention provides a self-adaptive pressure compensation type oil-water separation control system for an oil well, and relates to the field of oil exploitation, and the system comprises a working condition sensing module which is used for collecting state data of an oil-water separation mixture; the working condition pre-judging module is used for identifying a current oil-water separation working condition and a fluid characteristic change trend; the pressure compensation module is used for determining an optimal pressure parameter based on the current oil-water separation working condition and the fluid characteristic change trend; the pressure regulation execution module is used for controlling the operation of the oil-water separation control system based on the optimal pressure parameter; the feedback calibration module is used for collecting the mixing uniformity of an oil-water separation mixture, the water content of separated crude oil and the oil content of water, and optimizing a time window for fluid characteristic change trend identification; and the multi-mode switching module is used for indicating the pressure compensation module to adjust the optimal pressure parameter based on the sand content data and the instantaneous flow data of the oil-water separation mixture, and has the advantage of improving the oil-water separation effect.

The invention provides a remaining oil saturation calculation method and device, electronic equipment and a storage medium, and relates to the technical field of oil reservoir development, the method comprises the following steps: carrying out oil content test on a target core to obtain macroscopic oil saturation data and microscopic oil saturation data of the target core; performing correlation analysis based on the macroscopic oil saturation data and the microscopic oil saturation data, and determining a remaining oil saturation calculation model; calculating the macroscopic residual oil saturation of the rock to be measured based on the residual oil saturation calculation model; and based on the macroscopic oil saturation data and the macroscopic residual oil saturation, determining the residual oil saturation of the rock to be measured. According to the invention, the calculation process of the remaining oil saturation can be simplified, and the remaining oil saturation can be accurately calculated.

The utility model discloses an improved air duct structure of a range hood and stove all-in-one machine, which comprises a machine body, a suction opening is arranged in the middle of the top surface and connected with an air guide grille, a first accommodating cavity is arranged in the machine body, one end of the first accommodating cavity is communicated with the suction opening, the other end of the first accommodating cavity is communicated with an air outlet, and an oil net rack is arranged in the first accommodating cavity. A second containing cavity is formed below the first containing cavity, an oil storage box is inserted into the second containing cavity, the bottom face of the first containing cavity is obliquely arranged, and an oil hole is formed in the bottom face of the first containing cavity and communicated with the second containing cavity. When the range hood is used, lampblack is sucked by the exhaust fan through the suction opening, in the suction process, the lampblack is intercepted by the oil net rack and then drips into the oil storage box below, the oil storage box can be independently detached, the oil content in the exhausted lampblack can be greatly reduced, and the interior of the range hood body is more convenient for a user to clean.

The invention relates to the technical field of oil-gas separation, in particular to a bearing cavity ventilation outlet oil-gas separation device and method. The device comprises a pipe body, a spiral rotary wall body fixedly connected to the lower end of the pipe body and provided with an opening guide, grids on the wall body and a blocking part structure connected with the grids, and the outer wall face of the wall body is provided with a super-oleophobic coating. After installation, the outer surface of the wall body and the inner wall face of the bearing cavity form an oil blocking structure. Through shielding of a flowing oil film and splashing oil drops on the wall surface of a bearing cavity, oleophobic combination of gravity and grid filtering separation of an oil-gas mixture and combined separation of rotating centrifugal force and gravity of the oil-gas mixture guided into the device, lubricating oil flows back to the bearing cavity, the oil content of a ventilation outlet is reduced, it is guaranteed that gas is smoothly exhausted, and blockage is avoided.

A rotation speed control method and system, a device, and a storage medium is provided, which is applied to a heat pump system. The heat pump system includes a throttling short tube and a compressor, both sides of the throttling short tube are provided with a temperature sensor and a pressure sensor. The rotation speed control method includes: collecting actual data of the temperature sensors and the pressure sensors, processing to obtain temperature ratio data and pressure ratio data, and obtaining a corresponding oil content prediction model through matching; obtaining predicted oil content data according to the temperature ratio data and the pressure ratio data; and controlling a rotation speed of the compressor according to the predicted oil content data.

The invention belongs to the technical field of recovery of floating oil in sewage tanks in the petroleum industry, and particularly relates to a pumping device for floating oil in a sewage tank and a using method. In a working state, the floating plate drives the device to float along with the height of a page, the driving motor is started, the driving motor drives the rolling wheel to rotate, floating oil attached to the rolling wheel flows into the oil storage tank through the penetrating opening through the scraping plate, recovery of the floating oil accumulated on the liquid level in the sewage tank is completed, and the device is not limited by fluctuation of the liquid level in the tank; the two floating plates can float along with the height of the liquid level, oil slick is forcibly sucked, and the device has the advantages of being simple in structure, small in equipment investment, good in oil collecting effect, capable of saving manpower, reducing labor intensity and reducing the dirty oil content of injected water and capable of providing qualified sewage for next-step sewage treatment.

The invention provides a method and equipment for evaluating the content of movable oil in shale and a storage medium, and belongs to the field of shale oil exploration, the evaluation method comprises the following steps: determining a first recovery coefficient based on pyrolysis test data of a to-be-tested sample at different placement times; determining a second recovery coefficient based on the pyrolysis test data of the to-be-tested sample in different sample crushing environments; determining a third recovery coefficient based on pyrolysis test data of the to-be-tested sample under different grinding particle fractions; determining a fourth recovery coefficient based on pyrolysis test data of the to-be-tested sample at different pyrolysis temperatures; determining the product of the first recovery coefficient, the second recovery coefficient, the third recovery coefficient and the fourth recovery coefficient as a light hydrocarbon recovery coefficient; and evaluating the content of the movable oil in the shale based on the light hydrocarbon recovery coefficient. The method provided by the invention has a guiding effect on quantitative evaluation of the oiliness of the shale, and the finally determined free oil content result is slightly different from the actual condition.

The utility model discloses a kind of oil removal and air flotation integrated water treatment equipment, including water treatment processor, water inlet pipeline and water outlet pipeline are respectively arranged at the both ends of water treatment processor;Two baffle plates are arranged in water treatment processor, further include: oil removal device and air flotation device, are arranged in the area between water inlet pipeline and the baffle plate close to water inlet pipeline, oil removal device is used to remove part of oiliness in water inlet substance;Air flotation device is used to produce bubble to make impurity in water inlet float out;Scraping residue device is arranged in the area between two baffle plates, for removing the float dregs generated by air flotation.The integrated water treatment equipment significantly improves the removal efficiency of oiliness in high oil content wastewater, overcomes its interference to air flotation process, solves the fundamental problem of low treatment efficiency of traditional air flotation process;At the same time, by efficient built-in oil removal mechanism, reduce or eliminate the dependence on excessive chemical agent, thereby solve the problem of large amount of chemical agent consumption caused by low efficiency of traditional air flotation process.