104results about How to "Restore capacity" patented technology

The invention discloses a composite blocking remover and a method for removing blockage of a compact sandstone reservoir pressing crack commissioning horizontal well in a composite manner. The composite blocking remover comprises a preposition liquid, a main treating fluid, an active blocking remover and a subsequent fluid. The preposition liquid is composed of organic acid, inorganic acid, a stabilizer, an oxidizing agent, a chelating agent, a corrosion inhibitor, polyol ether and water. The main treating fluid is composed of organic acid, inorganic acid, the stabilizer, the oxidizing agent, a fluorine carbon surfactant and water. The active blocking remover is composed of a zwitterionic surfactant, the stabilizer and water. The subsequent fluid is water. The composite blocking remover can remove the blockage of routine colloid, asphalt mass and inorganic solid phase particles, and can remove the damage of water blocking and crude oil emulsification by pertinency, and has the advantages of good slow performance, effectively preventing secondary deposition pollution such as the iron ion deposition and acid sludge generation, the horizontal well near-well and deep reservoir pollution can be effectively released, the oil well production power is recovered, and the recovery efficiency can be greatly increased.

The invention relates to a new method for forming manual well walls in an oil and gas wells by water-absorbing resin. In the method, the water-absorbing resin is mixed with freshwater or saline to form a well completion fluid or a workover fluid; the water-absorbing resin is starch-type water-absorbing resin or cellulose-type water-absorbing resin or synthetic water-absorbing resin and comprises the following components by weight percentage: 1 to 2% of water-absorbing resin, 0.2 to 0.5% of water-absorbing initiator, 0.2 to 0.5% of colloid protective agent, and the remaining quantity of water or monovalent saline. The density of the water-absorbing resin well-completion fluid or the workover fluid can be adjusted by adding monovalent salt NaCl or KCl; the solution apparent viscosity can be controlled by adjusting the concentration of the water-absorbing resin; and the dosage of the well completion fluid or the workover fluid can be designed according to the volume of a shaft. In the method, the physical and the chemical changes can occur under the high temperature to form a manual well wall, namely a gelatine temporary plugging layer; therefore, the bearing capability of the high-and low-pressure stratum can be effectively improved; the leakage of the well completion fluid or the workover fluid can be prevented at the producing layer, the operation safety and the capacity of the oil and gas well can be ensured, the construction technology is simple, and the cost is relatively low.

Disclosed are an electrode including Li₂CuO₂ as an additive, and a lithium secondary battery having the same. The additive is added to a cathode as to adjust unbalance of the irreversible reaction between the cathode and an anode of the lithium secondary battery, thereby increasing the capacity of the lithium secondary battery without degrading performance of the lithium secondary battery after over-discharge of the lithium secondary battery.

The invention provides an active balanced battery management system, which comprises a host computer and a CAN communication module, wherein the host computer transmits a control instruction to the battery management system through the CAN communication module; the battery management system transmits data to the host computer through the CAN communication module and is connected with an on-board control system and a charger through the CAN communication module; and the battery management system is also connected with a voltage collection module, a current collection module and a temperature collection module through an RS232 and obtains AD sampled data of voltage, current and temperature of a battery. A novel SOC calculation mode is provided, so that the problem that the prior art is inaccurate in calculation accuracy of the battery capacity is solved. The parameters of an upper limit and a lower limit of the battery capacity, charging and discharging current, a battery temperature and the like are set through the host computer; and the battery is effectively protected. The invention provides a novel charging mode standard, so that the battery can be more effectively charged.

The invention provides a maintenance method for a capacity recovery type lithium ion battery, and aims to overcome the defect that the capacity of the current lithium ion battery can not be effectively recovered. The method comprises the following steps: (1), damaging an SEI film; (2), adding an SEI film restoration agent; and (3), forming and sealing. The method has the benefits that through simple design, the formed SEI film can be regenerated after being damaged, so that the service life of the lithium ion battery is prolonged to 3000-5000 times from 1000 times, and accordingly the purpose of repeated regeneration is achieved and the capacity of the battery is effectively recovered during the regeneration process.

The invention relates to the use of purine derivatives for the production of medicaments for the treatment of mucoviscidosis and diseases related to protein addressing errors in cells, said derivatives being of formula (I): where R2, R6 and R9, independently=halogen, a R—NH—, R—NH—NH—, NH₂—R′—NH or R—NH—R′—NH— group, where R=straight or branched chain saturated or unsaturated alkyl, aryl, cycloalkyl, or heterocyclyl group, R′=straight or branched chain, saturated or unsaturated alkylene, arylene or cycloalkylene, R and R′ each include 1 to 8 carbon atoms optionally substituted with one or more —OH, halogen, amino or alkyl groups, R2 furthermore may be a heterocycle optionally with a straight or branched chain saturated or unsaturated alkyl, aryl or cycloaryl or a heterocycle optionally substituted by one or more —OH, halogen, amino or alkyl groups, R9 furthermore may be a straight or branched chain saturated or unsaturated alkyl, aryl or cycloalkyl and R2 and R9 furthermore may be hydrogen with the exception of 2-(2-hydroxyethylamino)-6-benzylamino-9-methylpurine.

Formula of the restoring agent includes following materials and mass percent: potassium sulfate 3-9%; sodium sulfate 4-8%; potassium bicarbonate 0.5-2%; potassium carbonate 1-3%; sodium silicate 0.2-0.8%; potassium acid phthalate 0.015-0.06%; aluminum powder 0.005-0.02 etc and deionized water as surplus. Using quite active metallic ions in the restoring agent to replace quite inert lead ions in crystal of lead sulfate, the method ionizes and hydrolyzes lead sulfate to the sulfate ions and lead ions, which take part in normal electrochemical reaction of lead acid battery again. At the same time, matter in the restoring agent together with quite active metallic ions, which accomplishes replacement, forms stable salt so as to reduce self-discharge inside battery caused by harmful metal ions to retain capacity for long time. The invention restores capacity of accumulator effectively, and lightens environmental pollution from old accumulators.

The invention discloses a battery charging method, portable mobile equipment and a notebook computer. The battery charging method comprises the following steps: the battery parameter value which is used for judging whether a battery is charged by a first current is acquired; the standard information which is used for judging whether the battery is charged by the first current is modulated; the battery parameter value and the standard information are processed, and processing result information is generated; a battery charging command is generated when the processing result information shows that the battery needs to be charged by the first current; and the battery is charged by the first current according to the battery charging command. The first current is less than the battery chargingcurrent which corresponds to the preset standard of the battery. The invention solves the problem that the capacity of the rechargeable battery is reduced in the rechargeable battery charging process.

The present invention relates to inhibitors of progastrin induced repression of ICAT for treating and/or preventing colorectal cancer, adenomatous polyposis or metastasis displaying progastrin-secreting cells and cells in which the beta-catenin/Tcf-4-mediated transcriptional pathway is constitutively active.

An AV stream stored on a recording medium is edited in such a manner as to not conflict with a play-only standard format.

When an intermediate portion of a stream file is to be deleted, the original clip AV stream file is divided at a deletion section, and a single ATC is provided for each file. When a play item is to be deleted in an intermediate portion of a playlist, the setting of seamless play with the immediately preceding play item is released in the final play item on the forward side, which is left after deletion is performed, and the setting of seamless play with the immediately preceding play item is released in the clip information file at the beginning on the backward side, which is left after deletion is performed.

The invention discloses an intelligent maintenance method for a low-voltage accumulator of a new energy automobile and belongs to the technical field of electric automobiles. The intelligent maintenance method for the low-voltage accumulator of the new energy automobile comprises an intelligent charging maintenance process, specifically, a VCU controls the low-voltage accumulator to enter the intelligent charging maintenance process when detecting the situation that a user conducts charging operation on the automobile, wherein the intelligent charging maintenance process sequentially comprises a constant current control stage, a constant voltage control stage and a pulse control stage. According to the intelligent maintenance method, under the condition that normal working of the low-voltage accumulator is guaranteed, capacity fading of the low-voltage accumulator can be slow down while it can be guaranteed that the low-voltage accumulator is not lack of electricity, and the service life of the low-voltage accumulator is prolonged.

The invention discloses a lead-acid storage battery vulcanization repair process, which is characterized by comprising the following steps: performing battery vulcanization repair by steps of storage battery preparation, water and power supply, primary discharge test, assembly, repair solution making, repair, secondary discharge test, delivery and clearing up. The lead-acid storage battery vulcanization repair process of the invention can effective promote the softening and decomposition of lead sulfate crystals and restore the capacity of the lead-acid storage battery considerably. The process can restore over 96 percent of used storage batteries and make the capacity of the storage batteries close to the rated capacity of the storage batteries and the service life of the storage batteries to design service life. The repair process avoids causing damages to the internal physical and electrochemical structures of the lead-acid storage battery, reduces the environmental pollution caused by waste storage batteries, saves resources, energy resources and is low in carbon; due to high maneuverability, the process is easy to promote; and with high efficiency and low cost, the process isexpected to bring great economic benefits to the society.

The invention discloses a lead-acid battery residual energy on-line measuring system which comprises a data acquisition module, a data processing module and a display module which are connected in sequence, wherein a current sensor is arranged in the data acquisition module, and is used for conducting real-time monitoring on charge-discharge current of a battery; the data processing module is used for conducting time integral of signals collected by the current sensor to acquire the real-time discharge quantity of the battery. The measuring system adopts the depth of charge (DOC) as the parameter for reflecting the charged state of the battery, and the parameter is calculated by adopting the actual capacity of the battery but not the non-nominal capacity, and can better reflect the actual condition of the battery; besides, the measuring system can periodically conduct deep discharge on the battery, the capacity can be restored, the Ct value can be rectified, and the accuracy of the measuring system can be improved.

The invention discloses a fracturing production-increasing method for a 3.5-inch slim hole sidetracked well in a ultra-low permeability oil reservoir. A strong-washing interval is quickly recognized though a logging response value of the ultra-low permeability oil reservoir, a production-increasing potential residual oil enrichment segment suitable for being transformed is divided by combining thereservoir interlayer stress characteristics, crakes are controlled by small-scale perforation fracturing to extend in the potential segment, the water breakthrough risk of an oil well is reduced by combining a water shutoff material, and finally, the fracturing production-increasing method for the 3.5-inch slim hole sidetracked well in the ultra-low permeability oil reservoir is formed. It can beensured the sidetracked well is precisely transformed in the longitudinal and transverse directions of the reservoir, reservoir residual oil is utilized maximally, by controlling the perforation thickness, controlling the construction scale and supporting key materials, the comprehensive water content is decreased, the single well output is increased, and the oil field production capacity is recovered.

This method for restoring battery capacity is provided with an oxygen-generating/exhausting step for charging a nickel-metal-hydride storage battery, causing the generation of oxygen gas in a positive electrode, opening a safety valve device, and discharging at least a portion of the oxygen gas through the safety valve device to the outside of the battery. The battery temperature when starting the step is in the range of −30 to 10° C. and the SOC is in the range of (30-Ta) to 100%, or the battery temperature (Ta) is in the range of 10 to 50° C. and the SOC is in the range of 20-100%.

The invention provides a temporary plugging and acidization method for multiple seams among sections of horizontal wells. The temporary plugging and acidization method for the multiple seams among thesections of the horizontal wells comprises the following specific steps: 1) selecting a target well from the horizontal wells of which the daily fluid production rate is smaller than 2 cubic meters or the daily oil production rate is smaller than 1 ton; 2) performing shut-in pressure survey; 3) treating a shaft; 4) lowering a drilling rig to the corresponding position; and 5) performing pressuretest before acidization construction, and constructing after the pressure test is qualified, and connecting a plurality of acid tanks to an acid feeding pipeline synchronously. The method can achievethe purpose that the capacity of the horizontal wells with low capacity caused by results such as formation plugging and low stratum energy is recovered. An alternative well is subjected to pressure test first, and if the stratum energy of the alternative well is kept lower, the stratum energy is first supplemented, and then through temporary plugging and acidization, the sweep area is increased,and the permeability of a low permeability zone is increased, and the capacity of low-yield horizontal wells can be recovered.

The invention provides a barium sulfate scale dissolving agent which is composed of the following components: chelating agents: 8-12% of ethylenediamine tetraacetic acid, diethyl triamine pentaacetic acid and diethylene triamine penta (methylene phosphonic acid); solubilizers: sodium formate and sodium hydroxide with the content of 6-12%; the synergist comprises oxalic acid, salicylic acid, cinnamic acid and citric acid with the content of 0.4-1%; dispersing agents: polyethylene acid and polymethylacrylic acid with the content of 8-14%; corrosion inhibitor: hydroxyethylidene phosphonic acid with the content of 0.8-1.0%; surface active agent: alkylbenzene sulfonate, monoethanolamine and diethanolamine with the content of 3-5%; demulsifying agent: nonylphenol polyoxyethylene sodium sulfate with the content of 0.6-1.2%; a discharge aiding agent: perfluorononenyloxy sodium benzenesulfonate with the content of 1-2.4%; and clay stabilizer: epoxy chloropropane-dimethylamine condensation polymer with the content of 0.6-1.2%. The barium sulfate scale dissolving agent is suitable for dissolving barite solid-phase blockage in natural fractures, the scale dissolving rate reaches up to 97.19%, reservoir damage can be relieved, and the productivity of an oil and gas well can be recovered.

The invention discloses an intelligent signal regulation and control method for an elevated ramp, and the method comprises the following steps: 1, collection of traffic condition data of a viaduct surface: collecting the real-time traffic flow data of the viaduct surface; 2, comparison of a collected viaduct surface flow and a set flow threshold value: judging that the viaduct surface is in a congested state if the real-time traffic flow exceeds the threshold value, or else, judging that the viaduct surface is not in the congested state; 3, building of an exit cross section; 4, calculation of variable limiting speeds of all upstream segments of the exit cross section and the control rate of each entrance ramp: supposing that the viaduct can be divided into a plurality of road segments, wherein each road segment is provided with an exit ramp, the number of entrance ramps is not limited, TTS is a function of rk(t), wherein k =1, 2,...,K; minimizing TTS, i.e., calculating the combination of rk(t) to enable TTS to be minimum, wherein k=1, 2,...,K; calculating rk(t) through a linear programming method, and obtaining the exit ramp control rate of each ramp, wherein k=1, 2,...,K. The method is simple and effective, is lower in cost, and is good in instantaneity.

A combined type lead-acid battery restorer comprises a circuit board, a power supply, at least one resonant pulse unit, at least one discharge line unit, at least one microprocessor and an output unit. The power supply is arranged on the circuit board and is electrically connected to an external power supply, and supplies power to the circuit board. The at least one resonant pulse unit and the at least one discharge line unit are arranged on the circuit board. The at least one microprocessor is arranged on the circuit board, and the interior of the microprocessor is provided with a first procedure in advance, and the first procedure is a positive/negative frequency conversion pulse procedure. The output unit is provided with a positive electrode electric clamp and a negative electrode electric clamp, the positive electrode electric clamp is clamped on the positive electrode of a lead-acid battery with lead sulfate crystals, the negative electrode electric clamp is clamped on the negative electrode of the lead-acid battery with lead sulfate crystals, the lead-acid battery is detected by means of the microprocessor, and the resonant pulse unit and the discharge line unit output at least one positive/negative frequency conversion pulse through the output unit, the positive/negative frequency conversion pulse and the lead sulfate crystals in the lead-acid battery resonate, and therefore the lead sulfate crystals are crushed.

The invention provides a plugging resin system and application thereof. The plugging resin system is obtained by a reaction of a component A and a component B, the mass ratio of the component A to thecomponent B is 1: 1 to 3: 2, the component A at least comprises epoxy resin, and the component B at least comprises an epoxy resin curing agent. Epoxy resin and a curing agent are mixed and stirred according to different proportions, the mixture is pumped into a casing leakage breaking section, the resin and the curing agent are subjected to addition polymerization reaction within specified timeand under the condition of proper formation temperature to generate a cured product of a net structure, and the purpose of plugging is achieved. And the gelling time can be controlled by the dosages of the components A and B. The compressive strength is greater than 80 MPa, and the chemical plugging construction requirements of the casing damage well are met. According to the plugging resin system, the compressive strength is met, meanwhile, the resin hardness is reduced, the resin toughness is improved, and the resin drillability is improved. And the plug drilling speed can reach 2.5 m/h under the same condition of the plug drilling process, so that the plug drilling time is greatly saved.