844 results about "Oil viscosity" patented technology

The invention relates to an oil condition on-line monitoring system of hydraulic oil and lubricating oil, and is characterized in that the system consists of an oil condition detection and sensing system, an environment monitoring system, a data collection and conversion system, an operation procedure, a warning (caution) system and an automatic implementing system; a bypass and an oil storage chamber are arranged on an oil station; each monitoring unit is fixed to monitor an oil viscosity, a micro-moisture content, a temperature, impurity, a pressure and other parameters in real time; an actual measured value is compared with the set value; when the actual measured value excesses an allowed range, the system automatically warns or implements the functions of closing, self-locking, etc.

A thickened oil emulsifying viscosity reducer consists of anion surface activator, non-ionic-anion surface activator, demulsifier and water in proportion by 1:0.1-50:0.01-20 and water content is 0.2-5000 times of the sum of a, b and c. Anion surface activator comprises sodium salt and calcium salt of petroleum sulfoacid salt methyl condensate and sulfonated lignin; non-ionic-anion surface activator is chosen organic phosphate salt, sulfuric ester salt , carboxylate and sulfosalt of alkylphenol or fatty alcohol-polyoxyethylene ether; demulsifier is copolymer of alkyl ammonium halide cation demulsifier, polyethylene glycol polyoxytrimethylene polylol ether non-ionic demulsifier or polyethylene glycol polyoxytrimethylene polyethylene polyamines block. It has strong emulsifying ability and low thickened oil viscosity,

The invention discloses an ethylene device quench oil viscosity reductant in inhibiting liquid viscosity intensification technical domain, which is characterized by the following: comprising with inhibitor, disperser and metal deactivator; possessing the function of aggregation inhibition, aggregation prevention and metallic surface deactivation; decreasing erosion and incrustation of quench system device; possessing little adding quantity and good stability; non-generating side effect of oil water emulsion.

An integrated system for: complete waste compactor operational control; remote fullness monitoring; and, remote performance and maintenance diagnostics. Such diagnostic information is transferred wirelessly or otherwise to one or more recipients, so as to directly provide a critical warning in real time.

The waste compactor controller/monitor system allows for periodic real-time oil viscosity measurements of the hydraulic fluid to account for changes in such viscosity. The system adjusts the timing of the compactor stroke to permit more efficient operation and inhibit damage to the hydraulic ram and/or container during use.

The invention discloses a thickened oil viscosity depressant as well as a preparation method and an application thereof. The viscosity depressant is obtained by carrying out aminolysis reaction on a terpolymer or a quadripolymer with an alkyl primary amine with the chain length of C12-C18, wherein the terpolymer is formed by three monomers including acrylate with the chain length of C18-C22, maleic anhydride and acrylic amide; the quadripolymer is formed by four monomers including the acrylate with the chain length of C18-C22, the maleic anhydride, styrene and the acrylic amide; and the number-average molecular weight of the viscosity depressant is 300-1000, the smelting point is 50-70 DEG C and the boiling point is 300-550 DEG C. The thickened oil viscosity depressant disclosed by the invention has unique viscosity depression and resistance reduction effects on thickened oil; by only adding 500-1000 ppm of the thickened oil viscosity depressant, the viscosity depression ratio of the thickened oil with the viscosity of 14000-24000 mPa s at 50 DEG C reaches up to 85%; and the thickened oil viscosity depressant has an obvious application effect and positive meanings.

The disclosure presents an apparatus and method for measuring viscosity of a lubricating oil. The apparatus has a piezo-resistive cantilever sensor for sensing a first oil viscosity parameter. The sensor has a cantilever having a pressure receiving portion for receiving pressure exerted by the lubricating oil as the lubricating oil comes into contact with the pressure receiving portion. The cantilever also has first and second resistive portions in electrical communication with a first lead and a second lead, respectively, which are in electrical communication with an electrical circuit amplification element, for creating an output signal indicative of a change in the resistive characteristics of the first and second resistive portions of the cantilever as the lubricating oil comes into contact with the pressure receiving portion. The output signal can be used for determining oil viscosity. A processor and memory compare the output signal value with a stored resistance value to provide information relating to the quality of the lubricating oil.

The invention relates to the preparation method of oil-solute viscosity reducer used for the transportation of heavy oil tubes, which is characterized by comprising the following steps, first the preparation of the mixture of methacrylate with hydroxyl and dodecylbenzene sulfonic acid, second the preparation of acrylate high esters, third the preparation of oil-solute heavy oil viscosity reducer, according to the rate of the acrylate high esters : the mixture of methacrylate with hydroxyl and dodecylbenzene sulfonic acid equal to 1.0 to 4.5 ml : 1.0 to 7.5 ml, initiator ammonium persulfate, the mass fraction of which takes up 0.8 to 1.6 percent of the acrylate high esters and the mixture of methacrylate with hydroxyl and dodecylbenzene sulfonic acid, is added, the reaction is kept for 6 to 8 hours with the temperature of 70 DEG C, then the oil-solute heavy oil viscosity reducer can be got, the method is characterized by the good viscosity reducing effect, the simple process and the low cost.

The invention discloses a nano SiO2 composite material thickened oil viscosity reducer and a preparation method thereof, which belongs to the technical field of nano SiO2 composite material preparation and application thereof. The viscosity reducer is nano (polymethacrylate higher alcohol-acrylamide)/SiO2 composite material. The preparation method comprises the following steps: 1)pre-modifying the surface of the nano SiO2 by a silane coupling agent; and 2)performing graft copolymerization of (methyl)acrylate higher alcohol and acrylamide on the surface of nano SiO2 to obtain the (polymethacrylate higher alcohol-acrylamide)/SiO2 composite material powder. The nano viscosity reducer has the advantages of good viscosity reducing effect, low cost, simple production and no pollution during a cleaning process. Through the experiment, the viscosity reducing rate of the nano viscosity reducer to the high wax thickened oil at Daqing dandong station is 72.10% at 40 DEG C.

An oil condition and level sensor is provided that includes a solenoid body, a coil, an armature and a pole piece. The solenoid body defines an armature chamber between the armature and the pole piece. The armature is movable in the armature chamber in response to energizing of the coil. In an oil condition sensing system, the coil is operatively connected to a controller which can determine at least one of an oil temperature, oil viscosity, oil level, and an oil change occurrence. In one embodiment, four oil levels, including an overfill oil level and an excessively low oil level may be detected. The sensor is referred to as an integrated oil condition and level sensor as multiple sensing functions are integrated into one sensor.

The invention discloses a comb-shaped modified polysiloxane anion water-based thick oil viscosity reducer and a synthesizing method thereof. In the viscosity reducer, a comb-shaped structure in which polydimethylsiloxane is taken as a main chain, long chain alkyl and a propylidene polypropylene oxide polyoxyethylene ether organic acid ester salt are taken as side chains is adopted, the side chains are connected through a Si-C chemical bond, and the viscosity reducer has high surface activity, high interface activity, high temperature resistance, high salt resistance, high hydrolysis property and large viscosity reducing capability on thick oil. The molecular structural general formula of the comb-shaped modified polysiloxane anion water-based thick oil viscosity reducer is shown as (I), wherein polydimethylsiloxane is taken as the main chain of a molecular structure; the long chain alkyl and the propylidene polypropylene oxide polyoxyethylene ether organic acid ester salt are taken as side chains; and the main chain is connected with the side chains through the Si-C chemical bond.

An apparatus for tensioning a chain is provided that compensates for the affect of temperature on oil viscosity by providing, in addition to a continuously open oil leakage path, an additional leakage path open only at lower temperatures when oil is more viscous and leaks at a slower rate. Thus, overall oil leakage at lower temperatures is similar to that at higher temperatures, when the additional leakage path is closed, and the less viscous higher temperature oil leaks at a faster rate from the continuously open oil leakage path. Accordingly, the affect of temperature on hydraulic stiffness of the tensioner assembly is minimized.

The invention is directed to a chemical system of gas evolving oil viscosity diminishing compositions (GEOVDC) for stimulating the productive layer of an oil reservoir, that is to chemical compositions for a thermochemical treatment of an oil reservoir, more specifically for initiating a chemical reaction in the productive layer zone of the oil reservoir to produce heat and evolve gases so that the extraction of oil (petroleum) is improved. The invention is further directed to a method of thermochemically treating an oil reservoir by means of this chemical system, and to an apparatus for performing thermochemical treatment of an oil reservoir.

The present invention provides an evaluation method of lubricant oil aging performance. The method includes feeding air or oxygen with flow of 3-15L/h into the to-be-tested lubricant oil, under the conditions of oil temperature of 100-200 DEG C and metal catalyst, and then measuring aging performances including lubricant oil viscosity, color, acid value, demulsibility, pentane insolubles, copper corrosion, copper weight loss and sludge trend after 20-200 hours, and evaluating the lubricant oil aging performance according to the change of lubricant oil performances before and after the test. The evaluation method of lubricant oil aging performance helps to achieve rapid and comprehensive evaluation for oil.

A method for breaking viscosity quenching oil of ethane apparatus is carried out by cooling pyrolysis gas from pyrolyzer, delivering it into oil-leaching tower bottom, separating from substances to form triple backflows, cooling by quenching oil at tower bottom, returning to oil-leaching tower partially, entering backflow gasoline at tower top into by pipeline, cooling substances from pyrolyzer and delivering into after system. It's stable, has high viscosity and saves energy resources.

The invention discloses application of methylnaphthalene in lowering viscosity of thickened oil, which comprises application of 1-methylnaphthalene in lowering viscosity of thickened oil and the specific implementation steps, 2-methylnaphthalene in lowering viscosity of thickened oil and the specific implementation steps and mixed methylnaphthalene in lowering viscosity of thickened oil and the specific implementation steps. The invention enlarges the application method of methylnaphthalene, clearly demonstrates the specific application method of using methylnaphthalene to lower viscosity of thickened oil, solves the problems of great load and power consumption, frequent machinery accidents, high surface line return pressure, and the like of an oil extractor during extracting and outwards transporting thickened oil in the background art, and can effectively lower viscosity of thickened oil and reduce extraction and outward transportation cost of thickened oil.

The invention discloses a star polymer used as a lubricating oil viscosity index improver, a preparation method of the star polymer and application of the star polymer. The star polymer has asymmetrical arms and consists of two different types of polymer arms, wherein the first type of polymer arm is a hydrogenation polyisoprene homopolymer, and the second type of polymer arm is a copolymer in a hydrogenation polyisoprene-hydrogenation polybutadiene-polystyrene block structure; and in the copolymer arm, the polystyrene section is close to the core of the star polymer, the hydrogenation polybutadiene section is in the middle of the arm, and the hydrogenation isoprene section is outside the arm. The structure of the star polymer contains 2-15% of polybutadiene block by weight, and at least a part of the polyisoprene block and the polybutadiene block in the structure of the start polymer is hydrogenated. The star polymer has an excellent tackifying effect and excellent shear resistance stability, and is lower in pumping viscosity and low-temperature start viscosity during blending of thickened engine oil, and crystal or gel cannot be formed in the engine oil by the star polymer.

A hybrid camshaft phaser comprising a conventional vane-type hydraulically-actuated phaser to which is coupled an electric motor and gear transmission. The transmission output shaft is coupled to the phaser rotor, optionally via an intermediate clutch mechanism. Under engine operating conditions in which the response of a hydraulic phaser is poor, the electric motor operates to augment the hydraulic actuation. Such conditions include at least low ambient temperatures at which oil viscosities are high, and high ambient temperatures and/or low engine speeds at which oil pressures are low. Preferably, at engine speeds above about 1500 rpm, the electric motor is de-energized.

The invention discloses an oil-immersed transformer hot spot temperature evaluation method based on multi-parameter fusion. The oil-immersed transformer hot spot temperature evaluation method includes the following steps of (1) according to the process of heat transfer inside the transformer, clarifying the definition and calculation method of the hot spot heat source and hot oil area of the transformer, and reducing the calculation bias caused by taking the overall winding as the hot spot heat source; (2) correcting the algorithm of the hot oil area thermal capacitance Cwo and the hot spot thermal capacitance Chs, and improving the accuracy of the time constant tau wo and the winding time constant tau hs and the dynamic response capability of the calculation model; and (3) establishing the dynamic calculation equation of hot spot temperature by considering the influence of time-varying ambient temperature and time-varying load on the hot spot temperature. When the dynamic equation of the model is deduced, the temperature characteristics of the load loss and oil viscosity are further considered, and the calculation result can more accurately reflect the temperature rise inside the transformer. The method can dynamically reflect the characteristics of the temperature change inside the transformer, and the calculation is simple and the accuracy is high.

The invention belongs to the technical field of tertiary oil recovery and particularly relates to a method for extracting oil in single well steam stimulation by combining microorganisms and CO2 in the heavy oil well. The method comprises the following steps: (1) screening test oil wells; (2) screening microorganisms and nutrients thereof; (3) injecting the microorganisms and the nutrients thereof into the stratum of the test oil well; (4) injecting liquid CO2; (5) shutting the test oil well down; (6) opening the test oil well for production. The method disclosed by the invention has the advantage of wide application range and is simple in process implementation; oil well sand production and sleeve damage situations are avoided and the oil well utilization rate is high; the thickened oil viscosity can be greatly reduced, the oil-water interfacial tension is reduced, the stratum energy can be effectively replenished, the characteristics of long action period, remarkable enhanced production effect of oil, and the like are achieved, and therefore, the method is an economic and effective method for increasing the yield of the heavy oil well and can be widely applied to a single well steam stimulation technology of the heavy oil well.

The invention discloses a device and a method for simulating thickened oil viscosity reduction during wellbore lifting. The device comprises a wellbore simulating system, a chemical feeding system, a liquor supply system and a monitoring and control system. The wellbore simulating system comprises a simulating wellbore, a simulating lift string is arranged in the simulating wellbore, and a differential pressure transducer is connected between a liquor inlet and a liquor outlet of the simulating lift string. The chemical feeding system is connected with the wellbore simulating system and comprises a plurality of chemical feeding piston containers, and the chemical feeding piston containers are connected with a chemical feeding pipe extending into the bottom of the simulating wellbore. The liquor supply system is connected with the wellbore simulating system and is provided with a liquor supply piston container connected with a constant-temperature liquor supply water bath, and the constant-temperature liquor supply water bath is communicated with the bottom of the simulating wellbore through a delivery pipe. The monitoring and control system is connected with the liquor outlet of the simulating lift string and provided with a plurality of constant-temperature monitoring water baths in connection. By the method and the device, dynamic mixing viscosity reduction of viscosity reducers and thickened oil during wellbore lifting can be simulated, and changes of dynamic viscosity of mixed liquor during wellbore lifting simulation are monitored in real time.