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188results about How to "Guaranteed construction effect" patented technology

Short-injection water injection well acidation injectivity process

InactiveCN101781982AAffect water injectionAvoid pollutionFluid removalWater wellInjection well
The invention discloses a short-injection water injection well acidation injectivity process for petroleum industry, which is applied to a short-injection water injection well, improves the acidation effect and improves the water injection success rate. The process comprises the following steps: a prepose acid liquor soaking oil layer is inputted; the well is backwashed at high flow rate so as to discharge the prepose acid liquor; main acid is squeezed in; the well is backwashed by water mixed with gas, the back pressure on the bottom of the well is reduced, the ground layer is induced to flow, and the deep stoppage reactant can be discharged under the effect of the strata pressure. The prepose acid liquor is discharged through the repeated washing of the well, so the effect of the main acid is adequately played, the secondary pollution of the oil layer can be prevented, the deep acidation can be realized, the injectivity valid period is prolonged, the measure success rate is improved, and the recovery rate of the low-permeability reservoir can be improved. The effect of the used acid can be effectively played, the underground tube pile can be free from damaged, the consumption of the main acid can be reduced on the premise of ensuring the construction effect, and the production cost can be saved.
Owner:CHINA PETROLEUM & CHEM CORP +1

Joint filling machine with joint clearing function

InactiveCN108060770AImprove stabilityFor subsequent perfusionBuilding repairsBrickSpiral blade
The invention discloses a joint filling machine with a joint clearing function. The joint filling machine comprises an annular frame. Symmetrical suction cups are distributed at the four corners of the annular frame, opposite sliding grooves are formed in the inner wall of the annular frame, and movable blocks are sleeved with the sliding grooves in an inlaid mode. Pouring cylinders are arranged on the left sides of the movable blocks, and handles are fixedly connected to the upper surfaces of the movable blocks. According to the joint filling machine, the suction cups and the annular frame are arranged, the annular frame is fixed through the suction cups, thus the stability of construction operation is better, and the construction effect is improved; through arrangement of an abrasion wheel, a brush roll and a scraping knife, hardened clay is crushed through the abrasion wheel, the clay is cleared away from brick joints through the scraping knife and the brush roll, the brick joints are thoroughly cleared, subsequent pouring of a joint filling agent is facilitated, and the construction effect is ensured; the pouring cylinders are arranged, spiral blade rolls are arranged in the pouring cylinders and conduct stirring and mixing on the joint filling agent, by comparing with manual stirring, the effect is better, the efficiency is higher, and meanwhile, the joint filling agent isextruded and discharged through the spiral blade rolls.
Owner:HENAN GAOSHENG ENTERPRISE MANAGEMENT CONSULTING CO LTD

Casing horizontal well multi-segment refracturing method

ActiveCN106351634ASolve many problems such as easy failureGuaranteed successFluid removalSealing/packingMulti segmentMaterial Perforation
A multi-stage refracturing method for casing horizontal wells is proposed. This method is used for refracturing horizontal wells containing multiple stages. The method includes: according to the gel breaking requirements of each stage, determine the corresponding Temporary plugging; the plugging string can be dragged down the horizontal well; the temporary plugging corresponding to each section is used to seal the old perforation holes left after the previous fracturing operation in each section in sequence Re-orientate perforation on the first section of the horizontal well after plugging, and implement refracturing construction; perform the following operations on each section from the second section to the M section of the horizontal well in turn: lower the perforation bridge plug joint Manipulating strings, setting bridge plugs, reorienting perforating strings, and implementing repeated fracturing operations, wherein the first section is the section farthest from the wellhead, and the Mth section is the closest to the wellhead One section; and after the pressure is applied, all the bridge plugs are drilled and removed, and after all the bridge plugs are drilled and removed, the temporarily blocked rubber plug is broken and hydrated and then discharged.
Owner:CHINA PETROLEUM & CHEM CORP +1

Multi-stage, multi-gap and multi-section fracturing method for horizontal well

ActiveCN104481487AImprove utilizationGuarantee the effect of fracturing constructionFluid removalInterior spaceHorizontal wells
The invention discloses a multi-stage, multi-gap and multi-section fracturing method for a horizontal well. The method comprises the steps of 1) determining the quantity of fracturing sections and grading number after the casing cementing and completion, and determining setting positions of sectional packers and a grading perforation position; 2) performing directional perforation process to perforate 7 to 10 holes at each grade under a slurry condition, wherein the holes are 8mm in diameter; 3) separating the internal space of a wellbore casing by a segmentation tool after perforation, so as to achieve horizontal well segmentation; 4) determining the maximum discharge, construction pressure and other sand fracturing parameters during fracturing construction; 5) feeding ball to set all packers, and sequentially fracturing a plurality of horizontal sections according to the matching relationship between a starting ball, a sand injection sliding sleeve and a ball receiving seat, so as to achieve multi-stage multi-gap fracturing of the horizontal well. With the adoption of the method, the fracturing reconstruction which increases artificial gaps is done on the premise that the packers are not increased; therefore, the construction effect can be ensured, and moreover, the working degree in the whole well section can be obviously raised, and the cost of fracturing construction is low.
Owner:CHINA PETROLEUM & CHEM CORP +1

Application management of BIM technology to sponge city construction

The invention relates to sponge city construction, in particular to application management of a BIM technology to sponge city construction. All modules of a sponge city BIM site construction management module are in communication connection with a BIM host. A sponge city monitor, maintenance and deploy management module comprises a data detection operating maintenance module, a riverway water level monitor module, a green land area monitor module, a green land tax-inclusive monitor module, a rainwater collection monitor module, a precipitation amount monitor module, an underground water level monitor module, a reservoir water level monitor module, a wind speed and temperature monitor module, a water source deploy module and the like. All the modules of the sponge city monitor, maintenance and deploy management module are in communication connection with the BIM host. A construction progress management module manages all construction progresses and construction management through the BIM host. A green land water evaporation simulation module simulates different vegetation green lands through the BIM host. According to the application management, design, simulation, construction and management of all sponge city construction are carried out through the BIM, and drainage, irrigation and other management are carried out by monitoring data of all positions.
Owner:HUNAN COMM POLYTECHNIC

Preformed automobile-damping expandable rubber belt with good oil surface construction and preparation method therefor

The invention discloses a preformed automobile-damping expandable rubber belt with good oil surface construction and a preparation method therefor. The rubber belt contains the ingredients in percentage by weight: 4 to 6 percent of solid epoxy resin, 20 to 30 percent of solid non-polar rubber, 15 to 20 percent of liquid rubber, 10 to 20 percent of softening agent, 0.3 to 0.6 percent of epoxy resin curing agent, 0.5 to 1 percent of rubber vulcanizing agent, 0.5 to 1 percent of vulcanization accelerator, 5 to 10 percent of foamer, 5 to 7 percent of foaming accelerator, 5 to 10 percent of thixotropic agent and 20 to 30 percent of filler. According to the expandable rubber belt, the epoxy dispersion force is reduced by adopting the non-polar rubber with good oil surface compatibility and the liquid rubber with relatively good low-temperature viscosity, so that when the expandable rubber belt is subjected to construction on oil-surface steel plates at low temperatures, the damping effect is excellent, the expandable rubber belt does not flow and does not pollute electrophoresis bath liquor, the workability of a product is guaranteed, the consumption of a damping material can be effectively lowered, the weight of vehicle bodies is reduced, sources of energy are saved, and the production efficiency is increased.
Owner:北京龙苑伟业新材料有限公司

Efficient comprehensive wall treatment device

The invention discloses an efficient comprehensive wall treatment device which comprises a vehicle body. Wheels are arranged at the bottom of the vehicle body, a supporting frame is arranged on the vehicle body, and a first hydraulic cylinder is connected to the bottom of the supporting frame through a piston rod; and a rotating disc is rotationally connected to the position, close to the top, ofthe supporting frame, and a grinding device is arranged above the rotating disc. A grinding wheel and a dust collector are arranged, so that a wall is efficiently ground, dust is collected, and the operation environment and the health of workers are protected; a putty stirring box, an injection cylinder and a scraping plate are arranged, so that putty is uniformly stirred to be fine, the operationefficiency of puttying is improved, and the construction effect is guaranteed; a paint stirring box, a piston cylinder and an injection head are arranged, so that paint is saved, and the constructionefficiency is improved; and the first hydraulic cylinder and the rotating disc are arranged, so that efficient switching of various operating devices is achieved, the functions are diversified, meanwhile, the spatial position of the operating device is adjusted, and climbing operation is avoided.
Owner:CHANGSHA FENGYING MACHINERY TECH CO LTD

Construction method for opening hole between rectangular pipe jacking channels

The invention discloses a rectangular pipe jacking construction technology, and particularly discloses a construction method for opening a hole between rectangular pipe jacking channels. The construction method comprises the following steps: construction preparation, freezing hole construction, freezing station mounting, active freezing and maintenance freezing, excavating and building construction, freezing hole plugging, and thaw settlement grouting. Through the arrangement of a freezing hole, and arrangement of preventive measures in the construction process of the freezing hole, the construction safety and the construction effect are ensured; for contact channel excavating and building construction, earth excavation is carried out in a layering and blocking removal way, so that the structural stability after contact channel construction is ensured and damage to a surrounding structure is small; after completion of the contact channel construction, the thaw settlement grouting is performed through grouting holes preserved in the two sides of the hole opened between the pipe jacking channels, and preserved in a top plate and a bottom plate, so that ground settlement and structural deformation are controlled; by the construction method, the construction problem of the hole between the rectangular pipe jacking channels is solved, the construction process is safe, the opened channel structure is stable and reliable, and the construction efficiency is high.
Owner:CHINA RAILWAY NO 2 ENG GRP CO LTD

Waterborne environment-friendly elastic colored coating and preparation method thereof

The present invention relates to waterborne environment-friendly elastic colored coating and a preparation method thereof, the coating is made from a pigment component, a dispersing medium and varnish, the pigment component includes water, cellulose, an emulsion, a dispersant, a pigment and filler, an anti-aging agent, a defoaming agent, a film-forming aid, an antifreezing agent, an inorganic protective gel solution, a pH regulator, a bactericide and a thickener, the dispersing medium includes water, a film-forming agent, a rheological agent, an emulsion, a defoaming agent, an inorganic protective gel solution and a coupling agent, and the varnish includes water, emulsion, a pH regulator, a bactericide, a defoaming agent, a film-forming aid, an antifreezing agent and a thickener; to prepare, the pig component, the dispersing medium and the varnish are prepared first respectively, the pigment component is then added into the dispersing medium, and the varnish is added after color spot granulating. Compared with the prior art, by cold blending and modifying technology of emulsion, the coating is imparted excellent elastic cracking resistance, good elastic elongation, good tensile strength and good low-temperature toughness, is safe and environment-friendly and has a promising market prospect.
Owner:上海磐彩环保科技股份有限公司

Production method of hydrophobic anti-icing pavement fog seal layer

InactiveCN105647211AHas hydrophobic anti-icing propertiesImproved hydrophobic anti-icing propertiesBuilding insulationsCross-linkEpoxy
The invention discloses a production method of a hydrophobic anti-icing pavement fog seal layer. Fog seal layer emulsified asphalt that is demulsified to be hydrophobic and anti-icing is produced by combining low-surface-energy organic silicon rubber and emulsified asphalt through a specific shearing process, and the fog seal layer emulsified asphalt is spread to a pavement before a snowy season to form a hydrophobic anti-icing fog seal layer with a contact angle of greater than 130 degrees on the pavement; by adding waterborne epoxy resin adhesive, a mesh cross-linked structure is formed in the asphalt without excessive increase in the viscosity, improving the ability of the fog seal layer to resistant external force destruction, improving bonding performance of the fog seal layer with the pavement and thus enhancing wear resistance of the fog seal layer. It is possible to effectively reduce the strength of bonding of an ice layer with the pavement and reduce maintenance and deicing difficulty in the case of a thick ice layer. The hydrophobic emulsified asphalt demulsified hydrophobing agent used herein has certain self-assembly function, molecular long chains of the hydrophobing agent will self-assemble on the surface of an asphalt film, thus further enhancing and maintaining hydrophobicity of the fog seal layer.
Owner:CHANGAN UNIV

Processing method for strengthening vacuum preloading soft foundation by direct-current electric field

InactiveCN103726486AAchieve drainage consolidationAvoid cloggingSoil preservationCable transmissionSoil science
The invention discloses a processing method for strengthening a vacuum preloading soft foundation by a direct-current electric field. A direct-current electric field operating well is arranged in a vacuum preloading soft foundation processing area, a direct-current power supply is installed, a positive-electrode discharge electrode or a negative-electrode discharge electrode is vertically arranged in the direct-current electric field operating well, the direct-current power supply is connected with the positive-electrode discharge electrode or the negative-electrode discharge electrode through a cable, the direct-current power supply is switched on in the vacuum preloading construction period, and therefore the direct-current power supply outputs direct currents which are transmitted to the positive-electrode discharge electrode through the cable, the positive-electrode discharge electrode discharges the direct currents to a soft soil layer in the soft foundation processing area, the direct-current electric field is formed in the soft soil layer between the positive-electrode discharge electrode and the negative-electrode discharge electrode, and direct-current electric field processing is performed on the soft soil layer of the vacuum preloading soft foundation processing area. According to the processing method for strengthening the vacuum preloading soft foundation by the direct-current electric field, the construction effect of processing the vacuum preloading soft foundation of mucky soil can be obviously enhanced, the purposes of reducing construction energy consumption and construction cost and shortening a construction period are achieved, and processing of the mucky soil soft foundation of a deep and thick layer can be effectively performed.
Owner:邓立新

Reversible gel consolidation plugging method

PendingCN113863894ASolve the problem of well leakage in the formation of waterWell mixedDrilling compositionSealing/packingWater useProcess engineering
The invention discloses a reversible gel consolidation plugging method. The method comprises the following steps: evaluation of the construction feasibility of a plugging material: judging whether the granularity of a consolidation agent meets the requirement or not; in-situ preparation of consolidation slurry: collecting parameters such as well leakage stratum depth, pressure, temperature and water output amount, determining the thickening time of the consolidation slurry, adjusting the adding amount of a retarder according to in-situ water, adding the retarder into a water tank to be evenly stirred, sucking and mixing the consolidation agent and water according to a certain proportion through a batch mixing pump, pumping the mixture into a batch mixing tank, conducting stirring in the batch mixing tank for a certain time, and detecting the performance of the consolidation slurry; the plugging process: preparing the consolidation slurry according to a designed amount, lifting a drilling tool to a certain height above a leakage layer, pumping the prepared consolidation slurry into a well, jacking the consolidation slurry into a stratum by using slurry to jack the drilling tool out, lifting the drilling tool to a safe well section, carrying out intermittent extrusion according to conditions, further enabling a plugging agent to permeate into the leakage layer in a thickening process, closing the well and waiting for setting, opening the well for circulation, and downward putting a drill plug to test the plugging effect.
Owner:CHINA PETROLEUM & CHEM CORP +1

Water-based double-component epoxy orange-figured paint convenient to apply and with ultrastrong anti-corrosion function as well as preparation method thereof

The invention discloses a water-based double-component epoxy orange-figured paint convenient to apply and with an ultrastrong anti-corrosion function. The water-based double-component epoxy orange-figured paint convenient to apply and with the ultrastrong anti-corrosion function is prepared from the following components in parts by weight: 50 to 60 parts of bisphenol A nonionic water-based epoxy emulsion, 3 to 5 parts of environment-friendly solvent, 0.1 to 0.2 part of basic material wetting agent, 0.2 to 0.4 part of defoaming agent, 15 to 25 parts of deionized water, 0.2 to 0.5 part of modified lithium magnesium silicate, 0.2 to 0.5 part of bentonite, 0.5 to 1 part of water-based flash rust-preventing agent, 1 to 2 parts of water-based association type polyurethane thickening agent, 10 to15 parts of self-made color paste and 10 to 15 parts of water-based epoxy curing agent. The invention also provides a preparation method of the water-based double-component epoxy orange-figured paintconvenient to apply and with the ultrastrong anti-corrosion function. The water-based double-component epoxy orange-figured paint convenient to apply and with the ultrastrong anti-corrosion functionrealizes the orange-figured effect through cooperation of the water-based epoxy emulsion and the curing agent and replaces the orange-figured aid.
Owner:HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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