16 results about "Black oil" patented technology

The invention discloses a rapid detection and on-site treatment method for ammonia and black oil in fly ash, which comprises the following steps: 1) weighing 200g of fly ash from the batch of fly ash, putting the fly ash into a conical flask, adding 80g-90g of water for stirring, and stirring; (2) after stirring is completed, covering a conical bottle opening with test paper soaked with a 1% phenolphthalein alcohol solution; 3) if the test paper turns red, determining that ammonia with relatively high content exists; 4) standing for 8-10 minutes, and observing whether black oil exists on the surface of the neat paste; 5) after the detection is completed, treating excessive ammonia and black oil in the fly ash; according to the present invention, the ammonia content is rapidly detected by using the test paper impregnated with the 1% phenolphthalein alcohol solution, the black oil is observed by standing, and the concrete stirring and vibrating process is combined so as to achieve the real-time determination and the emergency treatment of the fly ash pollutants, such that the concrete structure quality is improved, and the fly ash field detection method is supplemented.

This utility model discloses a novel electric gear pump device for electric shovel lubrication truck, relating to the technical field of oil filling trucks for mining equipment. It includes a power compartment, a grease compartment, and a hose reel compartment. The power compartment includes a diesel generator set, a grease lubricating oil tank, a black oil lubricating oil tank, an electric gear pump set, an ultrasonic level gauge, a hose reel, a color paperless recorder, an electrical control cabinet, and a fire extinguisher. A ground-based oil replenishment system is installed on the side of the grease compartment. Ultrasonic level gauges are installed on the three oil tanks within the grease compartment to monitor the oil level in real time. These level signals are transmitted to the color paperless recorder installed on the electrical control cabinet panel. When absorbing oil, if the oil level in the tank is lower than the minimum absorbing level, the paperless recorder will issue a low-level alarm, reminding the operator to stop refueling to prevent the oil pump from running dry and being damaged. When replenishing oil in the tank, the paperless recorder will issue a high-level alarm, prompting the operator to stop oil supply to avoid oil overflow.

The present application relates to the field of oil reservoir numerical simulation, and discloses a GPU end assembly method, system, medium and equipment for oil reservoir equation Jacobian matrix based on directed connection traversal, which comprises the following steps: reading the current time step and Newton iteration state variable of the oil reservoir model; distributing or reusing the matrix data source and the right end item data source on the GPU end; calculating the cumulative item diagonal block contribution and the right end item contribution; calculating the connection potential difference and the upwind direction; traversing the connection flux contribution according to the directed connection record; forming the flux right end item, the pressure column Jacobian contribution and the state column Jacobian contribution on the GPU end; adding the wellbore, perforation or boundary upwind contribution to the matrix data source and the right end item data source on the GPU end; and marking the completed data source as ready for the linear equation package, solving and convergence reduction module to read. The present application adopts GPU fine-grained parallelism, efficiently supports large-scale black oil / component model simulation, and realizes the GPU parallel assembly of the linear equation matrix and the right end item in the oil reservoir numerical simulation.

The application discloses a critical path-based oil-water two-phase seepage model construction method and system and a medium, relates to the oil and gas field development technical field, and combines traditional black oil model simulation technology and critical radius technology based on critical path seepage theory, proposes an oil-water two-phase seepage characteristic oil reservoir simulation method considering microscale critical paths on the basis of ensuring the scale of the oil reservoir model, restores micro characteristics such as internal pore throat structures of real reservoir rocks to the maximum extent by using the critical radius, and studies factors such as the influence of the dominant channel (critical path) of oil-water two-phase fluid seepage in the pore throat and displacement efficiency on the phenomenon from the micro perspective, so that higher-precision oil reservoir simulation analysis results are obtained; the scheme directly calculates the flow and pressure of each component of oil and water based on the critical radius and the critical path length, does not need to input a static oil-water relative permeability curve in the simulation process, and can more directly reflect the stress state and change process of each part of the oil reservoir.

The utility model belongs to the technical field of breaking hammers, and particularly relates to a dustproof structure of a breaking hammer. The breaking hammer solves the problems that an existing breaking hammer is prone to black oil, and the service life of hydraulic oil is short. According to the dustproof structure of the breaking hammer, the breaking hammer comprises a front cylinder body and a drill rod, the front cylinder body is provided with a channel allowing the drill rod to penetrate through and stretch into the channel, and the dustproof structure of the breaking hammer is characterized by comprising a dustproof boss which is located on the peripheral wall of the drill rod and arranged in a protruding mode in the radial direction; the projection of the channel in the axis direction of the drill rod is located on the inner side of the outer edge of the dustproof boss, and the dustproof boss is provided with a guide structure capable of guiding and dispersing dust towards the outer side. Dust is prevented from impacting the outer sleeve, the black oil phenomenon is reduced, and the service life of hydraulic oil is prolonged.

The invention relates to a high-temperature-resistant soil-phase-free black-free oil-based drilling fluid suitable for extended reach wells and a preparation method thereof, belongs to the technical field of drilling fluids, and solves the problems of poor shear dilutability, high ECD value, high solid phase content, poor suspension performance and environmental friendliness of the oil-based drilling fluid in the prior art. The drilling fluid comprises diesel oil, an emulsifier, a calcium chloride aqueous solution, slaked lime, a filtrate reducer, a flow pattern regulator, a tackifying and shear strength improving agent, a wetting agent, a blocking agent and a weighting agent. The main emulsifier in the emulsifier is prepared by the following steps: reacting incomplete amide generated by reaction of tetraethylenepentamine and palmitic acid with maleic anhydride to generate a component A, reacting linoleic acid with methyl nadic anhydride to generate a component B, and mixing the component A and the component B to obtain the main emulsifier; the auxiliary emulsifier is oil-soluble soap generated by reacting stearic acid with organic amine. The drilling fluid has the advantages of good shear dilutability, low ECD value, extremely low solid phase content and good suspension performance.

The embodiment of the invention relates to the field of petroleum and natural gas development, and discloses a method, system and equipment for determining geological reserves and a storage medium, and the method comprises the steps: generating a multi-component hydrocarbon system PT phase diagram through PVT phase state simulation calculation; according to the temperature and pressure of the stratum, the gas reservoir type is judged by combining a PT phase diagram; according to the PT phase diagram, obtaining corrected black oil PVT attribute data through phase state simulation; the original oil saturation is determined according to the original water saturation, the original formation pressure and the retrograde condensate volume percentage; establishing corresponding material balance relations under the three isothermal pressure drop paths; selecting a corresponding material balance relation according to the type of the gas reservoir, and solving the selected material balance relation by utilizing the corrected black oil PVT attribute data and the original oil saturation to obtain a solving result; and calculating the gas-bearing dynamic geological reserves and the accumulated water invasion amount according to the solving result. According to the embodiment of the invention, the problem that the calculation error is large when the gas condensate content is high is solved.

The invention relates to the field of dispersing agents, and discloses an application of a dispersing agent in eliminating black oil bubbles in a machining fluid bath, the dispersing agent is a fatty alcohol-polyoxypropylene-polyoxyethylene block copolymer with an HLB value of 8.0-10.5; the black oil bubbles are formed by the combined action of guide rail oil, cutting fluid and metal chips in a machining fluid tank containing hard water; the cutting fluid contains a surfactant. The nonionic dispersing agent is added to the edge of a liquid tank or a cutting fluid formula, so that oil-water interfacial tension is rapidly reduced, a charge barrier is broken through, aluminum scraps are disintegrated, liquid film rigidity is enhanced, an oil film structure embedded in the aluminum scraps is instantly broken, bubbles are collapsed, micro aluminum scraps and miscellaneous oil are synergistically flocculated and sunk in the same process, and the oil-water separation effect is improved. Therefore, black oil bubbles are thoroughly eliminated and the regeneration is inhibited.

The dustproof drill rod of the hydraulic breaking hammer comprises a drill rod body, a dustproof cover and an outer sleeve, a front protruding block and a rear protruding block are arranged in the middle of the drill rod body, a middle groove is formed between the front protruding block and the rear protruding block, a through hole, a clamping groove and an inner expanding groove are sequentially formed in the dustproof cover from left to right, the drill rod body penetrates through the through hole of the dustproof cover, and the outer sleeve is sleeved with the clamping groove. The through hole is matched with the middle groove, the rear protruding block is matched with the clamping groove, the outer sleeve is inserted into the drill rod, the front end of the outer sleeve is arranged in the inner expanding groove, and a certain distance is formed between the front end of the outer sleeve and the rear protruding block. The dust-proof device can completely cover the outer sleeve, is very remarkable in dust-proof effect, can prevent dust from directly impacting the outer sleeve, reduces dust entering the front cylinder body, reduces the probability of black oil, avoids cylinder scoring, and prolongs the service life of hydraulic oil and the hydraulic breaking hammer; consumption of the outer sleeve caused by friction between the outer sleeve and the rear protruding block and the dustproof cover can be avoided, and therefore the service life of the outer sleeve is prolonged.

The invention relates to an in-layer invalid cycle identification method and device based on an oil reservoir displacement unit, and the method comprises the steps: determining the influence degree of each geological factor and each development factor on the occurrence time of an invalid cycle in the oil reservoir displacement unit through a multi-factor and multi-level orthogonal test; according to the influence degree of each geological factor and each development factor on the invalid cycle occurrence opportunity in the oil reservoir displacement unit, establishing an invalid cycle occurrence opportunity prediction model; based on the invalid cycle occurrence opportunity prediction model, a recovery degree prediction value of the actual displacement unit is determined, and a recovery degree actual value of the actual displacement unit is determined through the black oil model; and determining an invalid cycle identification result according to the predicted value of the recovery degree and the actual value of the recovery degree. According to the method, the invalid cycle in the oil reservoir can be quantitatively represented and identified, and the formation opportunity of the invalid cycle in the actual displacement unit can be predicted.

The invention discloses an oil slurry solid content rapid determination method, which comprises: (1) weighing a container, and recording the weight as G0; (2) oil slurry is heated and stirred, and sampling representativeness is guaranteed; (3) weighing the oil slurry in the step (2), putting the oil slurry into the container treated in the step (1), and recording the weight as G1; (4) heating the oil slurry in the container to evaporate oil gas in the oil slurry until cold oil gas is in the beaker, and continuously heating until residual substances at the bottom of the container are completely ashed; (5) burning black oil gas at the upper part of the container heated in the step (4) in a muffle furnace, cooling the container, cooling in a dryer, weighing, and recording the weight as G2; and (6) calculating the solid content X in the oil slurry by adopting a formula, wherein rho is the density of the oil slurry. The data of the solid content of the oil slurry measured by the measuring method is accurate, and the measuring time is short.

The invention relates to the technical field of keyboard modules, in particular to a shading film structure and white oil printing process and equipment thereof.The shading film structure comprises a PET film serving as a printing carrier, a window area and a non-window area are arranged on the surface of the PET film, a first white oil layer is formed on the window area through printing treatment, and a second white oil layer is formed on the non-window area through printing treatment; screen dots are arranged at the position, located on the outer side area of the first white oil layer, of the window area, a black oil layer is formed on the non-window area through printing treatment, and a second white oil layer is formed at the position, corresponding to the first white oil layer and the black oil layer, of the back face of the PET film through printing treatment. According to the shading film structure, the white oil printing process and the white oil printing equipment, the problems that light rays ineffectively overflow in the non-window area transmission process of the PET film and the brightness is reduced due to the influence of light absorption of the surrounding dark environment can be avoided, the light rays are guided to the window area to the utmost extent, the brightness of the window area is improved, the light emitting brightness of a keyboard is further improved, and the service life of the keyboard is prolonged. And the key backlight is enabled to be clearer and brighter.

The utility model provides a kind of magnetic yoke special workbench for flaw detection, belong to magnetic yoke flaw detection technical field. Including workbench main part, the detection area for placing workpiece is equipped on workbench main part, mounting bracket is equipped on workbench main part, illuminating lamp is equipped on the detection area top on mounting bracket, shielding cover is equipped on the detection area outside on mounting bracket, and the side of mounting bracket is left with operating mouth, workbench main part is equipped with still for recycling black oil magnetic suspension recovery mechanism. It has the effect of improving contrast enhancer and the convenience of black oil magnetic suspension cleaning.

The application relates to the technical field of metal plate shearing processing, and particularly discloses a hot-dip galvanizing high-strength steel longitudinal cutting and slitting black oil mark eliminating device, which comprises a tension table mechanism and a felt pad. The tension table mechanism comprises an upper pressing table and a lower pressing table which are vertically and separately installed on a tension table support frame. A hydraulic drive mechanism is vertically installed at the top end of the tension table support frame, and the upper pressing table slides along the tension table support frame in the vertical direction. The felt pad comprises upper felt and lower felt which are respectively installed on the adjacent surfaces of the upper pressing table and the lower pressing table. Two groups of PVC thin plates are arranged on the side of the upper felt and the lower felt close to the finished product narrow steel roll. A hot-dip galvanizing steel roll mother roll is cut by the longitudinal cutting and slitting machine to form the finished product narrow steel roll, and the finished product narrow steel roll is wound by the winding machine. The black oil mark defect in the longitudinal cutting and slitting process is eliminated from the source, the winding tension is stable, and the device can be directly matched with most existing longitudinal cutting and slitting production lines.

The invention discloses a pore scale numerical simulation method, system and equipment based on rock deformation and a storage medium, and belongs to the technical field of oil reservoir numerical simulation methods. According to the method, on the basis of a porous medium skeleton network reconstruction model, a phase permeability curve and a capillary force curve of a porous medium reservoir under different deformation degrees are calculated through a weak fluid-solid coupling method and in combination with a steady-state method; fitting the characterization model of the relative permeability curve and the capillary force curve of the porous medium considering the pore deformation factor with numerical simulation software based on a black oil model to obtain a pore scale numerical model based on rock medium deformation; and predicting the influence of rock pore scale deformation on fluid seepage by adopting the pore scale numerical model. The simulation method provided by the invention solves the technical problem that the influence of pore-scale rock structure deformation on the fluid seepage law in the reservoir is difficult to accurately describe in the prior art, and provides theoretical guidance for efficient development of oil and gas.

The invention belongs to the technical field of oil and gas field development, and discloses a method, medium and equipment for improving numerical simulation efficiency of a large heavy oil reservoir. According to the method, a target oil reservoir root is divided into a first stage and a second stage according to different development modes of an oil field, the first stage is a cold production stage, and the second stage is a regional cold and hot mixed production stage of mixed development of a cold production region and a hot production region; and cold production simulation is conducted on the first stage, and cold production simulation and thermal production simulation are conducted on the second stage in different areas. According to different development modes of an oil field, the target oil reservoir is divided into the development stages and the development areas, the black oil model / thermal recovery model is constructed in stages and areas, the heavy oil number simulation combination time can be remarkably shortened, the heavy oil number simulation combination efficiency can be improved, the fitting precision can be improved, and therefore the purpose of saving cost is achieved.