Traditional Chinese medicine preparation for treating gynecologic inflammation

The invention discloses a traditional Chinese medicine preparation for treating gynecologic inflammation. According to the invention, the following medicine raw materials are adopted by weight: 10-20 g of honeysuckle, 10-20 g of forsythia, 10-20 g of dahurian patrinia herb, 5-10 g of obscured homalomena rhizome, 5-10 g of garden balsam stem, 8-12 g of Chinese pulsatilla root, 8-15 g of felwort, 10-20 g of cornu cervi degelatinatum, 8-12 g of oriental wormwood, 5-10 g of white celosia cristata, 10-20 g of endothelium corneum gigeriae galli, 5-10 g of crude dragon bone, and 8-12 g of schisandra. The traditional Chinese medicine, when used together, can have the effects of clearing channels, activating collaterals, removing stasis, activating blood, replenishing Qi, and nourishing blood, has a very good treating effect for various gynecologic disorder, can completely cure without recurrence, and is worthy of clinical popularization and application.

Binary composite oil dispelling system and optimization method thereof

The invention discloses a binary composite oil dispelling system and an optimization method thereof. The oil dispelling system is prepared by compounding polymer and a surfactant; the polymer is partly-hydrolyzed polyacrylamide, the surfactant is one or two of anionic surfactant (petroleum sulfonate) and anionic-non-ionic surfactant, and the oil dispelling system is applied to chemical oil dispelling of heterogeneous oil reservoir. By adjusting the interface tension of the binary composite system of polymer and surfactant, the oil yield of middle/high permeability oil reservoir can be prominently increased, the provided optimization method is especially suitable for efficient chemical oil dispelling of middle/high permeability heterogeneous oil reservoir, the reagent cost is effectively reduced, and the risk of chemical oil dispelling is avoided.

Inorganic solidifying system for controlling bottom water coning in fracture-cavity karst reservoir, and injection method thereof

The invention provides an inorganic solidifying system for controlling bottom water coning in a fracture-cavity karst reservoir, and an injection method of the inorganic solidifying system. The inorganic solidifying system comprises ultrafine cement, a density modifying agent, a reinforcing agent, a suspension dispersing agent, a frame bridging agent, a drag reducer, and a retarder. The density of the inorganic solidifying system is 1.06 to 1.09 g/m<3>. The initial setting time of the system under a temperature of 130 DEG C is 5 to 10 hours. The compressive strength of the system is 1.0 to 4.0 Mpa. The injection method is that: first, an inorganic solidification system with a relatively large density is prepared and is injected into a stratum, then an inorganic solidifying system with a relatively small density is prepared and is injected into the stratum, and finally a displacing liquid is injected into the stratum. Because the density of the inorganic solidifying system is between the ...

Safety check calculation method, device and equipment for provincial electric power spot market and storage medium

The invention discloses a provincial-level electric power spot market safety checking calculation method, device and equipment and a storage medium, and the method comprises the steps: regularly obtaining the real-time state result data of a regional power grid, carrying out the automatic checking of a stored state estimation result, deleting the result data which fails in checking, and carrying out the verification of the result data. Provincial electric power spot market calculation based on an abnormal regional power grid model is avoided; a province virtual control area part in regional state estimation is replaced by a province same-time state estimation result, equipment missing data of a state estimation result part is filled by an interpolation method, and the problem of state estimation result missing or large actual measurement deviation caused by network delay and instability is solved; based on a historically stored regional power grid state estimation result, a power generation ...

Method for producing ultra-low carbon wire by small square billet continuous casting

The invention relates to a method for producing ultralow carbon wires by continuously casting small square billets. The method comprises molten iron desulfurizing and slagging off, converter smelting, slag-blocked tapping, ladle deoxidating and alloying, RH vacuum refining, feeding Si-Ca wire, soft argon blowing at ladle bottom, completely protecting casting for the small square billets, and wirerolling on a rolling machine. Through the RH vacuum treatment, the degree of vacuum is less than or equal to 50mbar; by adopting a mode of vacuum decarburization or light treatment, molten steel is decarbonized, and target C is less than or equal to 0.01 percent; oxygen is fixed after the RH vacuum decarburization, the activity of target oxygen is controlled at between 10 and 40ppm; and after theRH refining is ended, an Si-Ca wire is fed to treat calcium, soft argon blowing is carried out after feeding the wire, and ladle killed time is 10 to 30 minutes. The method can replace a process of die casting ...

Re-use agent for polymer after driving and injecting method thereof

Power grid bearing capacity improving method and device considering distributed photovoltaic power supply

The invention discloses a power grid bearing capacity improving method and device considering a distributed photovoltaic power supply, and an anomaly recognition method comprises the steps: obtaining real-time data of equipment parameters, bus parameters and line parameters, and carrying out the preprocessing of the obtained real-time data, and obtaining the preprocessed parameters; calculating operation parameters of the power grid after the distributed photovoltaic power supply is connected to the power grid according to the preprocessed parameters, checking according to the calculated operation parameters, performing assignment calculation by adopting a preset evaluation index after the checking is passed to obtain a score for dividing the bearing capacity grade of the power grid, and if the checking is not passed, determining that the bearing capacity grade of the power grid is poor; according to the operation parameters obtained through calculation, reactive power optimization is carried ...

Oil-producing method using ether carboxylate as oil displacement system

The present invention relates to an oil production method in which ether and carboxylate are used as oil displacement system, and is characterized by utilizing synthesis of nonionic-anionic ampho-surfactant carboxylate and adopting ether carboxylate and petroleum sulfonate to form the invented new type oil displacement system through a certain compounding process according to a certain ratio so as to raise recover rate of crude oil.

Cleaning and disinfecting device for dried fruit preparation

The utility model discloses a cleaning and disinfecting device for dried fruit preparation, which comprises a bottom plate, uniformly distributed support rods are arranged at the top of the bottom plate, a disinfecting box is fixed at the other ends of the support rods, a first motor is fixed in the center of one side wall of the disinfecting box, an output shaft of the first motor is connected with a rotating shaft, and the rotating shaft is rotatably connected in the disinfecting box; rotating rods which are evenly distributed are arranged on the rotating shaft, a disinfectant box is fixed to one side of the top of the bottom plate, a first water pump is fixed to one side of the disinfectant box, a water pumping opening of the first water pump extends into the disinfectant box, a water outlet of the first water pump is connected with a water outlet pipe, and the other end of the water outlet pipe extends into the disinfectant box; air cylinders are hinged to the bottom plate. The device ...

Pressure index deciding method for block integral profile control for water packing-off

Steel with underrelaxation and hydrogen corrosion resistance for high-speed railway prestressed pull rod and production method thereof

The invention discloses steel with underrelaxation and hydrogen corrosion resistance for a high-speed railway prestressed pull rod and a production method thereof, which belong to the technical field of steel for railways. By adopting Si as a main enhancing element and micro alloying Cr, Ti and B, the material has excellent comprehensive performances during heat treatment. The production flow comprises working procedures of smelting, refining, continuous casting and rolling, wherein the smelting working procedure is carried out on an electric furnace or a converter; and the material is subjected to LF refining and continuously cast into casting blanks. After treated by a heat treatment process, the raw material has the mechanical property of 1,420-1,480MPa, the elongation percentage of more than or equal to 9.0 percent, the hydrogen stress corrosion fracture resistant time for more than 70 hours, fatigue fracture life for more than 3 millions of times, relaxation less than 3.5 percent for ...

Wood ruler waste recovery device

The utility model discloses a wood ruler waste recycling device which comprises a recycling box, a recycling box is arranged on the inner bottom wall of the recycling box in a sliding mode, discharging plates are fixed to the two sides of the inner wall of the recycling box, a screen is installed at the ends, close to each other, of the two discharging plates through locking bolts, and a plurality of smashing pieces are arranged over the screen. A side frame is assembled on one side of the outer wall of the recycling bin, a plurality of rotating shafts are rotatably connected to the side frame, a first gear and two second gears are fixed to the multiple rotating shafts respectively, the first gear is meshed with the two second gears, an output shaft of a driving motor is fixedly connected to the right end of one rotating shaft, and the multiple rotating shafts are connected with a plurality of smashing pieces. And a groove is formed in the inner wall of the recycling box. According to the ...

Thick oil huff and puff deep channel blocking system and injection method thereof

The invention provides a thick oil huff and puff deep channel blocking system and an injection method thereof. Solidification channel blocking agent composed of sodium and soil aqueous solution with the mass fraction of 4.0% to 6.0% and cement slurry with the mass fraction of 4.0% to 6.0% is adopted in a near wellbore zone, wherein the volume ratio of the two solutions is (0.8 to 1.2) : 1; temperature resistance supermolecule channel blocking agent composed of HPAM (polyacrylamide) aqueous solution with the mass fraction of 4.0% to 6.0% and phenolic resin aqueous solution with the mass fraction of 1.0% to 1.4% is adopted in a transition zone, wherein the volume ratio of the two solutions is (0.8 to 1.2) : 1; and temperature sensitive polymer aqueous solution with the mass fraction of 2.0%to 4.0% is taken as thermal thixotropic channel blocking agent in a far wellbore zone. According to the invention, steam channeling of large porous channels is blocked with the solidification channelblocking ...

Environmental-friendly gel plugging agent applicable to low-temperature oil pool and applications of gel plugging agent

The invention relates to an environmental-friendly gel plugging agent applicable to a low-temperature oil pool and applications of the gel plugging agent. The gel plugging agent is prepared from 0.2%-0.6% of ampholytic polyacryamide, 0.5%-2.0% of an organic zirconium cross-linking agent solution, and the balance of water. The gel plugging agent is used for deep water shut-off and profile control constructions in the low-temperature oil pool of 25-35 DEG C and by virtue of the plugging agent, the recovery rate of crude oil can be raised. The gel plugging agent can form a non-flowing high-strength gel system at low temperature and has low viscosity and good injectivity; without toxic chemical materials such as chromium type cross-linking agents, the gel plugging agent is conductive to environmental friendliness.

Preparation of jelly glue dispersion for oil reservoir deep liquid diverting

The invention provides a preparation method of a jelly glue dispersion in-depth fluid flowing diverting agent, comprising the specific steps as follows: during a process when the jelly glue is formed by mixing part of hydrolyzed polyacrylamide and chromium acetate, a peristaltic pump applies a certain shearing force to a gelation system so as to lead the gelation system to form the jelly glue dispersion rather than integrated jelly glue. The jelly glue dispersion prepared by the method consists of jelly glue particles and water; and the particle diameter of the jelly glue dispersion can be controlled by adjusting the shearing speed. The jelly glue dispersion can be injected into the in-depth reservoirs; the adsorption and detention of the jelly glue dispersion particles in the hole can reduce the permeability of the high-permeability area, leads the subsequently injected liquid to be turned to the low-permeability area, and has the function of in-depth profile modification. The in-depth ...

Method for producing ultra-low carbon wire by small square billet continuous casting

The invention relates to a method for producing ultralow carbon wires by continuously casting small square billets. The method comprises molten iron desulfurizing and slagging off, converter smelting, slag-blocked tapping, ladle deoxidating and alloying, RH vacuum refining, feeding Si-Ca wire, soft argon blowing at ladle bottom, completely protecting casting for the small square billets, and wire rolling on a rolling machine. Through the RH vacuum treatment, the degree of vacuum is less than or equal to 50mbar; by adopting a mode of vacuum decarburization or light treatment, molten steel is decarbonized, and target C is less than or equal to 0.01 percent; oxygen is fixed after the RH vacuum decarburization, the activity of target oxygen is controlled at between 10 and 40ppm; and after the RH refining is ended, an Si-Ca wire is fed to treat calcium, soft argon blowing is carried out after feeding the wire, and ladle killed time is 10 to 30 minutes. The method can replace a process of die ...

Method for estimating minimum safety inertia of photovoltaic power system based on frequency change rate

The invention discloses a photovoltaic power system minimum safety inertia estimation method based on a frequency change rate, and the method comprises the steps: 1, building a photovoltaic power system, and collecting the data information of the system; 2, constructing a minimum safety inertia evaluation mathematical model considering the photovoltaic access power system; 3, setting various working conditions of the photovoltaic access power system under different load steps; 4, collecting the data of the frequency of the system along with the time change; 5, performing polynomial fitting on the data during the fault period, performing derivation on a fitting function, and selecting a maximum value of a frequency change rate to calculate a minimum safety inertia coefficient; and 6, analyzing the obtained minimum safety inertia coefficient, and giving a minimum safety inertia evaluation result of the photovoltaic power system. According to the method, the minimum safety inertia of the photovoltaic ...

Three-phase foam complex oil flooding system and application thereof

The invention relates to a three-phase foam complex oil flooding system and application thereof. The three-phase foam complex oil flooding system consists of a foaming agent, a foam stabilizer, water and gas, wherein the foaming agent and the foam stabilizer are uniformly dispersed into the water to form an oil flooding system solution; the proportion of components is as follows: the foam stabilizer is 0.1-0.3% in percentage by mass, and the foaming agent is 0.1-0.4% in percentage by mass; the gas is nitrogen, carbon dioxide or natural gas; the volume ratio between the oil flooding system solution and the gas is 1:(1-1.5), and the oil flooding system solution and the gas are alternately injected into the stratum or rock cores. The three-phase foam complex oil flooding system disclosed by the invention can be used for reducing the liquid discharge speed of a liquid membrane, increasing the viscoelasticity and strength of the liquid membrane, and ensuring that the foam is more stable, has ...

Preparation of jelly glue dispersion for oil reservoir deep liquid diverting

The invention provides a preparation method of a jelly glue dispersion in-depth fluid flowing diverting agent, comprising the specific steps as follows: during a process when the jelly glue is formed by mixing part of hydrolyzed polyacrylamide and chromium acetate, a peristaltic pump applies a certain shearing force to a gelation system so as to lead the gelation system to form the jelly glue dispersion rather than integrated jelly glue. The jelly glue dispersion prepared by the method consists of jelly glue particles and water; and the particle diameter of the jelly glue dispersion can be controlled by adjusting the shearing speed. The jelly glue dispersion can be injected into the in-depth reservoirs; the adsorption and detention of the jelly glue dispersion particles in the hole can reduce the permeability of the high-permeability area, leads the subsequently injected liquid to be turned to the low-permeability area, and has the function of in-depth profile modification. The in-depth ...

Plugging agent with double plugging function and filling method thereof

The invention provides a plugging agent with a double plugging function and a filling method thereof. The plugging agent comprises a foaming agent, a foam stabilizer, a cross-linking agent, gas and water, wherein the foaming agent is sodium dodecyl sulfate as an anionic surfactant, the foam stabilizer is water-soluble polyacrylamide with relative molecular mass of 11.6*106, and the cross-linking agent is a chromium cross-linking agent and comprises Na2Cr2O7 and Na2SO3. The filling method comprises the following steps: sequentially filling a far-well foaming liquid comprising the foaming agent, the foam stabilizer and the cross-linking agent, transition-area foaming liquid and near-wall foaming liquid; then, filling HPAM (hydrolyzed polyacryamide) over-top replacing liquid and nitrogen; and finally, filling clear water as the over-top replacing liquid for completely replacing the nitrogen into a layer of the earth. The gel foam plugging agent not only has Jamin effect of nitrogen foam, but ...

ZIRCONIUM GEL WATER SEALING AGENT

... 本发明是由成胶剂聚丙烯酰胺（ＰＡＭ）或甲叉基聚丙烯酰胺（ＭＰＡＭ）与交联剂无机锆化合物组成。无机锆化合物有氧氯化锆，四氯化锆，硫酸锆，硝酸锆等。注入工艺采用双液法，工艺简便，施工安全，而且可堵可解。本堵剂既可用于油井，进行选择性堵水；又可用于注水井，调整吸水剖面。其热稳定性好，堵水率高，吸附性强，耐水冲刷，有效期长，堵剂无毒性和刺激性，成本低廉。 ...

Miniature liquid mixing pump

A miniature liquid mixing pump comprises a shell, a soft rubber valve frame, a plurality of leather cups, a leather cup support, an eccentric pendulum bob and a motor; a water inlet cavity and a water outlet cavity are formed in the space between the soft rubber valve frame and the shell; and the shell is provided with a first pair of water inlet and water outlet and a second pair of water inlet and water outlet. The water inlet cavity comprises a first water inlet cavity and a second water inlet cavity which are separated from each other; the water outlet cavity comprises a first water outlet cavity and a second water outlet cavity which are separated from each other; the volume ratio of the first water inlet cavity to the second water inlet cavity is the same as the volume ratio of the first water outlet cavity to the second water outlet cavity; multiple pairs of water inlet valves and water outlet valves on the soft rubber valve frame correspond to the multiple leather cups one to one ...

Method for reducing center martensitic structure of high-carbon steel coil rod

The invention discloses a method for reducing the center martensitic structure of a high-carbon steel coil rod, belonging to the technical field of steel rolling. Microscopic study is performed on the process control and finish rolling control of a heating furnace in a high speed wire rod mill, the cooling process control of air-cooled wire rods, and in particular the cooling process control of the air-cooled wire rods after rolling; in-depth analysis is performed on the transformation process of the center segregated structure of the high-carbon steel from the perspectives of structural transformation thermodynamics and dynamics; a more pertinent quantification operational method is provided for each process link; and the invention is well suited to optimization of the production process of high-carbon steel coil rods in a high speed wire rod mill. By producing 130mm<2> of continuously cast 82B-1 coil rods by the method disclosed by the invention, the martensitic structure in the center ...

Gelled fracturing fluid being applicable to coalbed methane reservoir

The invention discloses a gelled fracturing fluid being applicable to coalbed methane reservoir, which consists of 0.3 to 0.5 percent of non-ionic polyacrylamide and 0.014 to 0.04 percent of zirconium oxychloride (ZrOCl12) which are used as cross-linking agent, 0.01 to 0.12 percent of hydrochloric acid which is used as pH adjusting agent, 0.06 to 0.12 percent of gelbreaker and surplus water, wherein the gelbreaker is of a redox system which is formed by ammonium persulfate and sodium sulfite according to the mass ratio of (1.0 to 3.0): 1. With the gelbreaker, the gel can be broken under the low-temperature condition. The gelation time and the gel-breaking time of the gelled fracturing fluid are adjustable. The gelled fracturing fluid has the advantages of fast low-temperature cross-linking sped, large viscosity, low filter loss, thorough breaking, no residual slag of gelled fracturing liquid and easy flowback, and can effectively improve the yield of the coalbed methane.

Distributed photovoltaic inverter control method and device and storage medium

The invention discloses a distributed photovoltaic inverter control method and device and a storage medium, a self-learning control model adopts a graph convolutional neural network, periodic training is carried out based on recent data, in the training process, features of electrical nodes and features of adjacent electrical nodes are aggregated to carry out model updating, and a self-learning control model is obtained. The method is a self-learning optimization control model considering the electrical quantity of adjacent nodes, and the model is adopted to obtain control parameters and perform photovoltaic inverter control, so that the problems of voltage out-of-limit and the like caused by large-scale photovoltaic access to a power distribution network can be effectively avoided, and active power output as large as possible is ensured at the same time.

Full-automatic mixed pouring machine

The invention relates to the technical field of a pouring machine, in particular to a full-automatic mixed pouring machine. The full-automatic mixed pouring machine comprises a rack, and an electric cabinet, a dynamic mixed glue gun, a plurality of feeding devices and a cleaning tank are arranged on the rack, each feeding device comprises a glue stuff barrel, a gear pump motor and a gear wheel metering pump driven by the gear pump motor, the suction inlet of the gear wheel metering pump is connected with the output port of the glue stuff barrel, the discharging port of the gear wheel metering pump is connected with the dynamic mixed glue gun, various raw materials can be placed in the plurality of the glue stuff barrels, various raw materials are respectively input to the dynamic mixed glue gun for being mixed and output automatically by utilizing the power provided by the gear wheel metering pump, various raw materials can be mixed and output, and full-automatic control of the whole equipment ...

Thick oil huff and puff deep channel blocking system and injection method thereof

Pressure index deciding method for block integral profile control for water packing-off

A pressure index method for making decision of blocking water for regional block features that the pressure index PI of all water-injecting walls in a regional block is measured and the decision about regulating and analyzing the water blocking is made according to the PI value. Its advantages include high operability, wide range of decision and quickly making decision.

Method for treating radioactive waste resin through fused salt oxidation technology

The invention relates to the technical field of radioactive waste resin treatment, and particularly discloses a method for treating radioactive waste resin by a fused salt oxidation technology, which comprises the following steps: step 1, drying the radioactive waste resin in a drying oven to enable the moisture content of the radioactive waste resin to be less than or equal to 15%; (2) mixing the radioactive waste resin with the ternary molten salt system Li2CO3-Na2CO3-K2CO3, so as to obtain a mixed solution; and 3, carrying out flameless oxidation reaction on the uniformly mixed ternary molten salt system Li2CO3-Na2CO3-K2CO3 and the radioactive waste resin to generate carbon dioxide and water, and capturing radionuclides in the molten salt. The method provided by the invention has the advantages of no open fire in reaction, better safety, uniform temperature and obvious volume reduction effect, and is also suitable for treating organic waste liquid with high calorific value.

Steel with underrelaxation and hydrogen corrosion resistance for high-speed railway prestressed pull rod and production method thereof

The invention discloses steel with underrelaxation and hydrogen corrosion resistance for a high-speed railway prestressed pull rod and a production method thereof, which belong to the technical field of steel for railways. By adopting Si as a main enhancing element and micro alloying Cr, Ti and B, the material has excellent comprehensive performances during heat treatment. The production flow comprises working procedures of smelting, refining, continuous casting and rolling, wherein the smelting working procedure is carried out on an electric furnace or a converter; and the material is subjected to LF refining and continuously cast into casting blanks. After treated by a heat treatment process, the raw material has the mechanical property of 1,420-1,480Mpa, the elongation percentage of more than or equal to 9.0 percent, the hydrogen stress corrosion fracture resistant time for more than 70 hours, fatigue fracture life for more than 3 millions of times, relaxation less than 3.5 percent for ...

Method for detecting content of nitrogenous polymer gel micro-sphere

The invention relates to a method for detecting the content of nitrogenous polymer gel micro-sphere, which provides scientific evidence for improving a synthesis technique, controlling the quality of products and summarizing rules of applications of micro-spheres in oil fields. The method for detecting the content of nitrogen contained polymer gel micro-sphere is characterized in that bluestone, lemery and selenium powder or sodium selenate are taken as a catalyst, and sulphuric acid is used as a digestion sample so that organic nitrogen in nitrogen contained polymer gel micro-sphere is decomposed to ammonia; the ammonia and the sulphuric acid are compounded into ammonium sulphate, and the ammonia is basified and distilled from ammonium sulphate; standard acid is used for titration after the absorption with acid; and the nitrogen content of the sample is calculated, the nitrogen content is multiplied by a reduction factor of the nitrogen-containing polymer, and the gel micro-sphere content ...

Oil recovery method using black paper-making liquor as oil displacing alkali

An oil recovery method using black paper-making liquor as the alkali for displacing oil features that a multi-component oil displacing system is prepared from said black paper-making liquor, surfactant and polymer, the formulation of black liquor system is optimized by used of quasi-three-component phase chart, and a calculation equation is used to find the its use amount, resulting in higher yield of crude.

Method for solving differences between the center of larger-size 82B wire rod and the edging tissue thereof

The invention provides a method for solving differences between the center of a larger-size 82B wire rod and the edging tissue thereof, belonging to the technical field of high carbon steel. In the method, the characteristic that chrome can reduce the beginning and the ending phase transformation temperatures of the 82B steel is adopted, 0.04%-0.06% of Cr is added on the basis of 82B steel components, the opening of fans is adjusted at 85% by the wire rod from the 4-6m position before phase transformation to the starting point of the phase transformation, all fans are opened from the phase transformation position to the wire rod 490-510 DEG C position, and then all fans are closed until the gathering coil packaging is carried out. The invention has the advantage that the sorbitic rate of 82B wire rod is lower in the specification of phi 15-16mm is solved by Stelmor cooling process.

Method for profile control by using polymer at offshore oilfield polymer flooding stratum

The invention discloses a method for the profile control by using a polymer at an offshore oilfield polymer flooding stratum, sequentially comprising the following steps of: (1) displacing a polymer used in the offshore oilfield polymer flooding process into a stratum with a distance more than 25 meters to a borehole by pad fluid; (2) injecting the aqueous solution of a flocculating agent into the processed stratum of the offshore oilfield in the step (1) from the borehole to obtain a flocculating constituent; and (3) displacing the flocculating constituent obtained in the step (2) to a stratum with a distance of 3-5 meters to an infiltration surface by displacing liquid so as to finish the profile control. The method can improve the recovery ratio of the offshore oilfield polymer flooding, and reduce the influence of the polymer on the post-processing of the produced liquid at the same time.

Baffle for thin layer oilfield controlling coning of bottom water and injection method thereof

The invention provides a baffle for a thin layer oilfield controlling coning of bottom water and an injection method thereof. The baffle is formed by sequentially injecting high density salt water, baffle fluid and overdisplacing fluid into a formation, wherein the high density salt water is 2.5-10 percent of water soluble sodium chloride solution, the baffle fluid is a gel plugging agent formed by adding 0.08-0.30 percent of Cr3+ crosslinking agent in 0.2-0.5 percent of HPAM polymer aqueous solution or adding 0.2-1.5 percent of phenolic resin crosslinking agent in the 0.2-0.5 percent of HPAMpolymer aqueous solution, and the overdisplacing fluid is an HPAM polymer aqueous solution with the mass ratio of 0.3-0.5 percent. Injected working fluid is utilized to generate a gravity differentiation function with crude oil and bottom water density difference, and the baffle used for controlling coning of thin layer bottom water is established on an oil-water interface without perforation, thereby ...

Decision method used for profile control of oil-field water injection well

The invention discloses a decision method used for profile control of an oil-field water injection well. The technical scheme is that the decision method comprises the following steps: (1) firstly testing the vacuum value of the wellhead oil pressure of the water injection well under the injection allocation condition by adopting a vacuum meter when the wellhead oil pressure of the water injection well is a negative value during a testing process; then, suddenly shutting down the well, and recording changes of wellhead vacuum with time; (2) converting the tested vacuum into absolute pressure; then, drawing a wellhead falloff curve of the water injection well by adopting the absolute pressure as a Y-axis and the time as an X-axis, and then, performing calculation and application according to the PI (pressure index) decision method. According to the decision method disclosed by the invention, decision aiming at when the wellhead oil pressure of the water injection well is the negative value ...

Calculation and application method for profile control space of oilfield water injection wells

A calculation and application method for profile control space of oilfield water injection wells comprises the following steps: (1) obtaining the profile control space value through calculation, wherein the profile control space refers to the degree capable of implementing profile control over the wells under the water injection system pressure; (2) determining the turns of the profile control over the wells and the use amount and strength of plugging agents through the profile control space value obtained through the definition, wherein the larger the value of the profile control space is, the more the turns of sufficient profile control required by the wells is, and the larger the amount of the plugging agents required by each turn is, the higher the strength is. Under the condition that a water injection system of a profile control block is fixed, the profile control space over the wells is calculated, the applications, such as the type of the profile control plugging agents, the construction ...

Edge water scheduling technique for oil field using edge water to displace oil

An edge water scheduling technique for using edge water to displace oil in oil field features that the selection of edge water scheduling wells, the use of plugging agent and a special injection technique, being combined, for higher recovery rate of crude oil.

Plugging agent for postponing colloid foam and method thereof for oilfield high-water-content aquifer profile modification water plugging

The invention relates to a plugging agent for postponing colloid foam and a method thereof for oilfield high-water-content aquifer profile modification water plugging. The plugging agent is composed of a foaming agent system solution and gas, wherein the foaming agent system solution is formed by uniformly dispersing 0.05-0.30% of foaming agent, 0.4-0.6% of water-drum aqueous emulsion polymer and 0.2-0.4% of multiplex emulsion crosslinking agent; and the volume ratio of the foaming agent system solution to the gas under reservoir pressure is 1:(1-3). The plugging agent for postponing colloid foam is used for oilfield high-water-content aquifer profile modification water plugging, and can enhance the oil recovery rate. The invention also provides a method for oilfield high-water-content aquifer profile modification water plugging. The plugging agent has the advantages of high dissolution rate, easy preparation, low initial viscosity and the like, can satisfy on-line injection, enhances the ...

Spontaneous emulsification viscosity-break system of thickened oil, and preparation method thereof

The invention belongs to the field of oilfield chemistry, and particularly relates to a spontaneous emulsification viscosity-break system of thickened oil. The spontaneous emulsification viscosity-break system of the thickened oil comprises the following components by mass fraction in total mass: 1.0-3.0% of main surfactant, 2.0-4.0% of cosurfactant, 0.2-0.5% of alkali, 1.0-5.0% of salt and the balance of water, wherein the sum of the mass fractions of the components is 100%. The spontaneous emulsification viscosity-break system has the advantages that the viscosity-break rate can be up to over 98%; great reduction of the viscosity of the thickened oil is achieved by the effect of the viscosity-break system; the development effect of oil deposit of the thickened oil is improved.

In-depth profile control step by step method employing equipressure drop gradient

The invention provides an in-depth profile control step by step method employing equipressure drop gradient , which relates to the technical field of deep profile control of a water flooding development oil reservoir. According to the practical condition of a test block, suitable profile control agent is selected, and the breakthrough pressure gradients of profile control agents of different compositions are tested. A stratum is divided into a near wellbore zone, a far wellbore zone and a stratum deep according to the pressure drawdown of the stratum; and the pressure gradients of the zones are different, so that slugs with different strengths are required. According to the principle of equipressure drop gradient, namely, the breakthrough pressure gradient of the profile control agent equals to the pressure gradient of the stratum, the composition of each slug is selected, profile control slugs are combined, and the combined profile control slugs are optimized according to the cost. According ...

Simulation method, device and equipment for free joint bidding of power generators

The invention discloses an analog simulation method, device and equipment for free joint bidding of power generators, and relates to the technical field of joint bidding simulation of market members on the power generation side in the power market. According to the method, modeling is carried out on behaviors of selecting collusion objects and strategy bidding by power generation provider agents; and secondly, a competition depth Q network algorithm (DuelingDeep QNetwork, DuelingDQN) and a flexible decision-evaluation algorithm (SoftActorCritic, SAC) are combined to form a two-stage solving algorithm to solve the discrete and continuous mixed decision amount in the model, and the discrete and continuous mixed decision amount in the model is calculated by using the two-stage solving algorithm. According to the method provided by the invention, the free joint bidding behavior possibly occurring in the long-term market clearing process of the market subject can be simulated under the condition ...

Lithium ion function electrolyte flowing back ware

The utility model relates to a lithium ion function electrolyte flowing back ware, include the quick -operation joint who links to each other with steel drum 4P head, quick -operation joint passes through the intermediate junction joint and the ball valve links to each other with the flowing back elbow, the intermediate junction connect for the centre is equipped with the joint sand grip, its bothsides are the pipeline of external screw thread, the intermediate junction connects respectively and is equipped with seal gasket between quick -operation joint and the ball valve, quick -operation joint's middle part is equipped with the sand grip, have simple structure, reasonable in design, connection compactness good, avoid taking place to reveal, drainage volume controls well, work efficiency high, the testing result is accurate, the installation and dismantle convenient, advantage that convenient to use is swift and safe.

WATER-BASE ZIRCONIUM-GEL CLEAVAGE LIQUOR

... 本发明是属于水基压裂液的配方改进。它采用了无机锆化合物作为交联剂，既可在碱性条件下，也可在酸性条件下与成胶剂交联出粘弹性极好锆冻胶，这种锆冻胶压裂液粘度高、摩阻低，破胶水化后无残渣，而且在水化后，无机锆化合物是一种粘土防膨剂，该发明的压裂液不仅适用于粘土含量高的地层，而且由于无机锆化合物便宜易得，所以，在其降阻性达到或超过硼冻胶压裂液时，其成本可降低１８～３５％。 ...

Technique for combining secondary with tertiary oil recoveries

A technique for combining secondary with tertiary oil recoveries features that on the basis of fully secondary oil recovery, the tertiary oil recovery is implemented to some extent by choosing efficient oil displacement agent and optimizing th consumption of oil displacement agent, resulting in higher recovery rate of crude.

TITANIUM FROST GLUE WATER-BASE CRUSHING LIQUID

Fatty amine polyoxyethylene ether diethyl disulfonate surfactant and preparation method thereof

The invention relates to a fatty amine polyoxyethylene ether diethyl disulfonate surfactant and a preparation method thereof. The surfactant has the structure shown in the formula (I) (which is as shown in the description), wherein M refers to alkali metal ions, R refers to C12-C18 alkyl radical, m and n refer to adduct numbers of ethoxy groups, and the sum of m and n ranges from 2 to 10. According to the surfactant, oil-water interfacial tension can be reduced to be ultra-low under the conditions of high temperature, high salinity and high content of divalent metal ions, and with the excellent performance, the surfactant can be used for displacement of oil of a harsh reservoir under high temperature, high salinity and high hardness. The synthetic method is simple, short in technical process and mild in reaction conditions, and is suitable for scale production.

Production lithium ion electrolyte reation kettle's sampling device

The utility model belongs to a production lithium ion electrolyte reation kettle's sampling device, reation kettle including production lithium ion electrolyte, be equipped with ejection of compact pipeline on the discharge gate of reation kettle bottom, install the tee bend on the ejection of compact pipeline, three -way second end is equipped with ejection of compact valve, three -way third endis equipped with sample cock, sample cock is connected with the interior nut of stainless steel wired hose one end, the stainless steel wired hose other end links to each other with the first junctionseal of head rod one end, the second of the head rod other end connects with the third joint of second connecting rod one end continuously, the second connecting rod other end links to each other with the little steel bottle of sample, have simple structure, reasonable in design, avoid electrolyte and external environment contact to cause the inspecting result error to appear, to reduce generation of ...

Composite brick of selected waste ore sand and productive method thereof

The waste ore sand after dressing, such as iron ore sand or copper ore sand, is mixed with cement, lime and chemical additive to obtain a mixture used to produce gray brick with high compressive strength.

System and method for oxidation treatment of radioactive waste resin in molten salt bath

The invention relates to a system and a method for oxidation treatment of radioactive waste resin in a molten salt bath, the system comprises a pretreatment unit, a feeding unit, a high-temperature reaction unit and a discharging unit, the pretreatment unit is used for controlling the moisture content of the radioactive waste resin to be treated to be below 15%; the radioactive waste resin with the moisture content being 15% or below is transferred to a high-temperature reaction unit; the feeding unit is used for transferring oxidizing gas, inert gas and carbonate to the high-temperature reaction unit; the high-temperature reaction unit comprises a melting furnace, the melting furnace is used for carrying out oxidation treatment on the radioactive waste resin transferred by the feeding unit in a high-temperature molten salt bath, and radioactive waste salt is obtained after treatment; and the discharging unit is used for receiving radioactive waste salt obtained after treatment in the melting ...

Method for solving differences between the center of larger-size 82B wire rod and the edging tissue thereof

The invention provides a method for solving differences between the center of a larger-size 82B wire rod and the edging tissue thereof, belonging to the technical field of high carbon steel. In the method, the characteristic that chrome can reduce the beginning and the ending phase transformation temperatures of the 82B steel is adopted, 0.04%-0.06% of Cr is added on the basis of 82B steel components, the opening of fans is adjusted at 85% by the wire rod from the 4-6m position before phase transformation to the starting point of the phase transformation, all fans are opened from the phase transformation position to the wire rod 490-510 DEG C position, and then all fans are closed until the gathering coil packaging is carried out. The invention has the advantage that the sorbitic rate of 82B wire rod is lower in the specification of phi 15-16mm is solved by Stelmor cooling process.

Method for preparing phenolic resin pre-condensation polymer cross-linking agent

Oil recovery technique combining chemical handing with water blocking in oil well

Method for preparing phenolic resin pre-condensation polymer cross-linking agent

The invention provides a method for preparing phenolic resin pre-condensation polymer cross-linking agent, which takes phenol, hydroquinone, methanol, urotropine, 40% of sodium hydroxide solution and water as raw materials and comprises the following steps: introducing cooling water into a reaction kettle; adding 10-15% of phenol, 15-10% of hydroquinone and 5-10% of sodium hydroxide solution withmass concentration of 40%; starting a stirrer, opening a cooling water valve, adjusting the cooling temperature to be not higher than 50 DEG C; adding 5-10% of urotropine when the cooling temperatureis controlled below 40 DEG C, dissolving, adding 65-55% of methanol slowly when the temperature is controlled to be not higher than 50 DEG C; stirring and reacting for 20-30min after all the raw materials are added, discharging when the fact that the temperature rises without any fallout trend is observed to obtain the phenolic resin pre-condensation polymer cross-linking agent which has the advantages ...

Micro alloying SWRH87B hot rolled wire rod and manufacturing method thereof

The invention provides a micro alloying SWRH87B hot rolled wire rod and a manufacturing method thereof, belonging to the technical field of hot rolled wire rod. In the invention, Cr and V micro alloying are adopted; double slag process high drawing carbon operation is used in a converter; end-point carbon is controlled at 0.40-0.60%, the steel tapping temperature is 1580-1620 DEG C, and the slag-blocked tapping is used; low nitrogen carburant is used for recarburization; Si-Ca-Ba is used for deoxidation; 600-800kg synthetic slag is added into each converter; oxygen activity is controlled below 10ppm by entering into an LF refining station, and the refined finishing slag sum of FeO and MnO is no more than 3%; inclusion modification treatment is carried out on the Ca-Si line; a billet in the size of 160mm*160mm is used, a casting mould is used for coordinating with final electromagnetic stirring (F-EMS); continuous casting machine whole protection, constant drawing speed casting and proper ...

Power dispatching safety supervision method and system based on intelligent voice recognition

The invention discloses a power dispatching safety supervision method and system based on intelligent voice recognition, and the method comprises the steps: capturing the call recording data of a supervised object, sequentially inputting the call recording data into a trained acoustic model and a trained language model, and outputting a call Chinese text corresponding to the recording data; calculating a text similarity error-tolerant rate in the conversation Chinese text by using cosine similarity; when the text similarity fault-tolerant rate is within a fault-tolerant threshold value, determining behaviors violating scheduling rules and regulations in the conversation Chinese text based on a preset programmed criterion; the power dispatching safety supervision method can automatically identify non-standard behaviors in dispatching connection, is more visual and clear, and provides powerful guarantee for power safety production and operation.

Puzzle lock system

The present invention relates to a safe cipher lock system. Said safe cipher lock system includes scale disk which can be rotated, cylinder plug, cipher disk mechanism, carriage with lock bolt and dogand handle mechanism. The cipher disk mechanism includes several rotary wheels which can be coupled, on the rotary wheel a catching groove correspondent to the dog is set, the scale disk is positioned on the outer side of door, other components are positioned in the door interior. Said invention also provides the working principle of said safe cipher lock system and its concrete operation method.

Oil recovery technique combining chemical handling with water blocking in oil well

An oil recovery technique features the combination of chemical handling with water blocking in a same oil well and its optimized chemical formula and dosage by using a specific method. Its advantagesare high oil output and low water content in oil.

Method for improving crude oil recovery ratio by utilizing salt sensitive self-thickening polymer

The invention relates to a method for improving the crude oil recovery ratio by utilizing a salt sensitive self-thickening polymer. The method comprises the following steps: firstly vacuum-pumping high and low sand filling tube cores respectively and saturating formation simulated water; respectively displacing the high and low sand filling tube cores at an injection sped of 1 mL/min by using simulated salt water and determining the pore volume and the permeability; saturating dehydrated and degassed ground crude oil at an injection speed of 1 mL/min; sealing the sand filling tube cores after the crude oil is saturated and then placing for 48 hours at a constant temperature; displacing the high and low sand filling tube cores which are connected in parallel at an injection speed of 1 mL/min and calculating the water drive recovery ratio; injecting a certain volume of salt sensitive self-thickening polymer solution at an injection sped of 1 mL/min and then injecting the stimulated salt water ...