32results about How to "Solve the problem of water channeling" patented technology

The invention discloses an anionic water-based non-curing rubber asphalt waterproof coating and a preparation method thereof. The preparation method comprises the steps that 85-95 parts by mass of anionic rubber modified asphalt emulsion, 2-5 parts by mass of anionic SBR latex, 4-7 parts by mass of anionic neoprene latex, 0.1-1 part by mass of hydrophobing agent and 0.5-2.5 parts by mass of permeability-reducing agent are stirred and mixed to be uniform to obtain a component A; inorganic salt is dissolved in water, an inorganic salt solution with the concentration being 10% to 30% is prepared, and a component B is obtained; the component A and the component B are sprayed and mixed through a spraying gun according to the mass ratio being (5-15):1, and the anionic water-based non-curing rubber asphalt waterproof coating is obtained, wherein the anionic rubber modified asphalt emulsion is prepared by emulsifying matrix asphalt, a tackifier, rubber elastomers, an anionic emulsifier, a stabilizer, a PH modifier and water through a colloid mill. The product is stable in storage, environmentally friendly, free of pollution, good in non-curing effect, high in waterproof performance and simple in process.

The invention discloses a vibration disturbance resistant crack leaking stoppage and reinforcement method applied to underground works. The method comprises the steps as follows: the surface of a crack is cleaned, and holes are drilled with a drilling tool crosswise along two sides of the crack and purged and washed clean; grouting nipples are mounted in the drilled holes and screwed tightly, epoxy resin grout is poured into the grouting nipples, and pouring is repeated several times for grout supplement and is stopped until the pouring pressure change is gentle; the exposed grouting nipples are removed when the fact that epoxy resin is completely cured is confirmed after pouring, and the overflow cured grout is cleaned; a V-shaped groove is opened along the crack and is cleaned, coated with an interfacial agent and filled with a sealing adhesive, surfaces of two sides of the crack are cleaned, and then an acrylic acid resin elastic coating is painted. With the adoption of the processing manner, damage to a waterproof layer due to drilling can be restored, the problems of water channeling and damage to the waterproof layer can also be effectively solved, and the problem of crack leakage is effectively solved.

The invention discloses a non-cured rubber asphalt paint composite waterproof layer. The composite waterproof layer is formed by bonding non-cured rubber asphalt paint and a waterproof coil which is dissolved with the non-cured rubber asphalt paint. The composite waterproof layer gives full play to respective technological advantages of the non-cured rubber asphalt paint and the waterproof coil and a full-interface closed seal structure is formed by bonding the non-cured rubber asphalt paint and the waterproof coil firmly, thus achieving the aims of repairing and sealing cracks of subbases and capillary interstices and effectively preventing water channelling and water leakage between the composite waterproof layer and subbases.

The invention discloses a construction technology for reconstructing a durable waterproof layer by using a minimally invasive method. Firstly, defects of a construction surface are treated; 2-8 grouting holes are formed per square meter of the construction surface, and hollow needles connected with feed valves are embedded in the grouting holes in a connection mode; secondly, epoxy acrylate is injected in the grouting holes to serve as a back-surface filling agent to reinforce a back-surface layer, and an AHA turbine sealant is injected in the grouting holes; after the AHA turbine sealant overflows from the hollow needles in every two adjacent grouting holes, the feed valve on the previous hollow needle is closed, and then the AHA turbine sealant is injected again in the hollow needles where the AHA turbine sealant overflows until all the feed valves are in a closed state; after the AHA turbine sealant is cured for 24 hours, the hollow needles are removed, and the grouting holes are blocked off. The construction technology has the following advantages that the process is simple, labor is saved, energy conservation and environmental protection are achieved, and resources are saved.

The invention relates to the technical field of oil and gas field development, and in particular relates to a fracture-cavity type water-driven flexible flow regulating particle and a preparation method thereof, wherein the fracture-cavity type water-driven flexible flow regulating particle comprises 10%-40% by weight of N-vinylpyrrolidone, 20%-50% by weight of acrylamide, 0.1%-1% by weight of N,N'-methylene bisacrylamide, 0.1%-1% by weight of sodium formaldehyde sulfoxylate, 0.1%-0.5% by weight of ammonium persulfate, 1%-5% of clay and the balance of water. The fracture-cavity type water-driven flexible flow regulating particle has the advantages of low cost, good performance, long stable period and adjustable strength, and can effectively solve and control the water channeling problem of a surface weathering shell reservoir of a fracture-cavity type reservoir.

The invention discloses non-curing rubber asphalt waterproof coating and a preparing method thereof, and relates to the technical field of waterproof coating. The coating includes, by mass, 44-54 parts of asphalt, 15-25 parts of naphthenic oil, 2-5 parts of a modifier A, 3-6 parts of a modifier B, 3-6 parts of a modifier C, 2-4 parts of rosin resin, 5-10 parts of SBR, 10-20 parts of ground calciumcarbonate, 1-2 parts of an antioxidant and 2-4 parts of a thickener, with the modifier A being modified polypropylene wax H430. The coating has a creep property and a self-healing property, is non-curing after long-term contact with air, can permanently maintain elastic-plastic colloid, has characteristic of high self-healing capability, instant adhesion after contact, difficult stripping, excellent integrated performance, a low cost and a reduced VOC content, can seal basement layer cracks and capillary openings and can adapt to complex construction operation surfaces.

Provided is a waterproof leak-repairing construction method using non-cured rubber asphalt waterproof paint. The non-cured rubber asphalt waterproof paint has the advantages of self-healing, water seepage prevention, water channeling prevention, aging resistance and never curing. The non-cured rubber asphalt waterproof paint can fill capillary holes and cracks of a base layer, a waterproof layer can be self-repaired when broken, and the water channeling problem of the waterproof layer is solved; the used non-cured rubber asphalt waterproof paint has excellent bonding performance, can be adhered to a wet base surface and can be bonded with wood or metal materials; and the waterproof leak-repairing construction method using the non-cured rubber asphalt waterproof paint can be applied to building roofs, basement top plates and side walls, subways, tunnels, bridges, pipe openings, external corners, internal corners and deformation joints.

On one hand, the invention discloses a modifying and flooding agent suitable for a high-temperature and high-salt heavy oil reservoir, the modifying and flooding agent is prepared from the following components in percentage by mass: 0.2-0.5% of a polymer, 0.01-0.1% of a cross-linking agent, 0.2-0.8% of a stabilizer and the balance of water, and the polymer is AM/AMPS or AM/NVP/AMPS. The invention further discloses a preparation method of the modifying and flooding agent suitable for the high-temperature and high-salt heavy oil reservoir. The modifying and flooding agent suitable for the high-temperature and high-salt heavy oil reservoir has high viscosity, the crosslinking strength is 800-1200 mPa.s, the viscosity of injected water can be greatly improved, long-term stability can be kept under the high-temperature and high-salt conditions, the water absorption profile can be effectively improved, the problem of water channeling of the injected water is solved, and the water-oil displacement effect under the high-temperature and high-salt oil reservoir condition is improved, so that the heavy oil recovery rate is increased.

The invention discloses a construction process of rebuilding a durable waterproof layer through a space displacement method. The construction process includes the steps that a construction surface defect is processed; five grouting holes are drilled in the construction surface, a hollow grouting needle head connected with a feed valve is buried in the grouting hole in the center, and hollow overflow needle heads are connected into the grouting holes in the four corners in a buried mode; epoxy acrylate is injected into the grouting hole through the hollow grouting needle head and serves as back face filler to enhance the back face layer, and then an AHA turbo sealant is injected into the corresponding grouting hole; after slurry overflows from the hollow overflow needle heads, the feed valve is switched off; after the AHA turbo sealant is cured for 24 h, the hollow needle heads are removed, and the grouting holes are blocked. The construction process has the advantages of being simple, saving manpower and energy, protecting environment and saving resources.

The invention discloses a building mixture containing an FS101 mortar waterproof agent. The building mixture is prepared by mixing the FS101 mortar waterproof agent, ordinary Portland cement, sand and water, wherein the FS101 mortar waterproof agent and the water are mixed according to the weight proportion of 1 to 150-250 to form FS101 mortar waterproof agent diluent. In the waterproof mortar making process, water, sand and the FS101 mortar waterproof agent are mixed according to the weight proportion of 1 to 2-3 to 0.45-0.55. The building mixture containing the FS101 mortar waterproof agent can be integrated with structural body concrete, and the water moving problem always difficultly solved in the waterproof process is solved.

The invention discloses a horizontal well water injection and oil extraction synchronous conversion tubular column based on signal control, which comprises a tubular pile body and a signal control system for the tubular pile body, the tubular pile body is provided with at least one tubular pile section along the extension direction of the tubular pile, and the tubular pile section is provided with a water injection pipe and an oil extraction pipe. A plurality of water injection holes are formed in the water injection pipe, and a plurality of oil extraction holes are formed in the oil extraction pipe; the signal control system comprises a signal acquisition module, a data processing module and a control module. The horizontal well is firstly built in the mining area, then the pipe pile body is led into the horizontal well rock stratum, video data collection and pressure data collection are carried out, the mining section is selected according to the collected data, finally, the separator at the corresponding position is controlled to work according to the position of the mining section, and the mining section is independent from the rock stratum. And then perforation fracturing treatment and oil exploitation are carried out.

The invention discloses creep epoxy asphalt. The epoxy asphalt comprises epoxy asphalt resin, epoxy resin, a filling material and a curing agent. The epoxy asphalt resin comprises asphalt, an activator and an epoxy diluent. The creep epoxy asphalt can be used for construction at normal temperature without high-temperature heating, and still has strong creep property and self-healing, anti-channeling and anti-cracking properties after solidification, can repair damaged waterproof layers or fill cracks and repair concrete cracks, can greatly seal pores and cracks of a base layer by using viscosity of the creep material, and solves the channeling problem of the waterproof layer. In addition, the heat resistance reaches the effect that the creep epoxy asphalt has no sliding, flowing or dripping phenomena at 90 DEG C, and other physical performance indexes and construction applicability are completely qualified.

The invention provides a filter element water-stop assembly. The filter element water-stop assembly comprises a water distribution part and a water stop part, the water distribution part is provided with a water distribution flowing channel, the water stop part is provided with a water stop flowing channel, the water distribution part is provided with a water distribution part butt-joint opening,and the water stop part is provided with a water stop part butt-joint opening; and the water stop part is connected with the water distribution part through a rotating shaft structure, and the water stop part and the water distribution part control butt joint and staggering of the water distribution part butt-joint opening and the water stop part butt-joint opening through relative rotation so asto realize communicating and disconnection of the water distribution flowing channel and the water stop flowing channel. Based on the structure, the water-stop assembly adopts the side water connecting and disconnecting mode, thus an assembling structure is simplified, the smooth degree during relative rotating of the water distribution part and the water stop part is improved, the abrupt feelingduring rotating is lowered, and the good control hand feeling is achieved. In addition, the invention further provides a filter element device comprising the water-stop assembly, and a water purifier.The filter element device has the advantages that the rotating smooth degree is high, the operation hand feeling is good, and the assembling structure is simplified. The water purifier has the advantages that water leakage is avoided, water channeling is avoided, and a filter element is convenient to replace.

The invention discloses a temperature-resistant and salt-resistant flow regulating agent suitable for a fracture-vug type oil reservoir as well as a preparation method and application thereof, and belongs to the technical field of oil-gas field development. The temperature-resistant and salt-resistant flow regulating agent suitable for the fractured-vuggy reservoir comprises thermoplastic resin, a strength regulator, inorganic salt and white oil. The mixing plasticizing modification device is adopted for processing, adjustment of the particle size, oil-water selectivity, particle strength and particle density can be achieved, the requirement for fixed-point placement of the adjusting deep part of the fracture-cavity type oil reservoir water drive flow channel can be met, selective plugging is achieved, and therefore the recovery efficiency is improved.

The invention relates to water purification equipment. The equipment comprises a multi-way valve, a main cavity and an ozone generating device, the multi-way valve is connected to the main cavity in a matched mode and communicated with fluid in the inner cavity of the main cavity, the multi-way valve is provided with an air inlet and a water inlet, and the ozone generating device is communicated with the air inlet; when the multi-way valve is located at a target station, ozone generated by the ozone generating device enters the multi-way valve through the air inlet, liquid enters the multi-way valve through the water inlet, the ozone and the liquid are mixed in the multi-way valve, and formed gas-liquid mixed liquid enters the main cavity through the multi-way valve. By adopting the equipment, ozone can be introduced to assist in cleaning the filter material, the flux recovery rate of the filter material is improved, and the service life of the filter material is prolonged.