52results about How to "The principle is feasible" patented technology

The invention provides a dual-medium and long-core experimental method for variable-pressure soaking. The dual-medium and long-core experimental method comprises the following steps of step 1, preparing a combined long core; step 2, saturating the combined long core; step 3, injecting a first medium to replace the combined long core. According to the dual-medium and long-core experimental method for variable-pressure soaking in the embodiment of the invention, a short core in the prior art is prepared into the combined long core, and total pore size volume of the combined long core is increased to be large enough, so that the reliability of a flow test can be improved, and further the aim of improving the experimental precision is improved. In addition, the experimental method in the embodiment of the invention is feasible in principle and is simple in operation.

The present invention relates to a device and method for measuring elastic turbulent flow characteristics of viscoelastic polymers in porous media, wherein the fluorescence microscope sideways interface of the device for measuring elastic turbulent flow characteristics of viscoelastic polymers in porous media is connected to a CCD camera, and is connected with oil / water The brine container, the polymer solution container, and the synthetic oil container connected to the containers are connected in parallel between the micrometering pump and the inlet of the two-dimensional network microscopic simulation model. The two-dimensional network microscopic simulation model is provided with an inlet pressure sensor and The outlet pressure sensor, the light guide arm of the micro-field particle image velocimetry system is directly above the two-dimensional mesh microscopic simulation model; the micro-field particle image velocimetry system, fluorescence microscope, inlet pressure sensor, and outlet pressure sensor are all connected to the data graphics workstation . The invention can effectively identify the elastic turbulent flow phenomenon of the viscoelastic polymer solution in the percolation flow of the porous medium, and describe the qualitative and quantitative characteristics of the elastic turbulent flow.

The invention discloses a silicon wafer spin-drying machine. The silicon wafer spin-drying machine comprises a centrifugal spin-drying component, a sealing cover and a machine frame, wherein the centrifugal spin-drying component comprises a spin-drying bucket, a centrifugal basket, a spin-drying box, a fixing frame and a centrifugal power component, the spin-drying barrel is provided with a cylindrical barrel wall, an adjusting hole of a lifting mechanism is formed in the periphery of the barrel wall, a dewatering pipe and a pressure relief pipe are arranged on the inner side of the barrel wall in a tangent mode, an inclined U-shaped frame hole is formed in the peripheral side wall of the centrifugal basket, the spin-drying box which is hung on the inclined U-shaped frame hole through a lifting rod, plate-shaped lifting blocks are arranged at the two ends of the lifting rod, and the fixing frame is fixedly connected with the spin-drying barrel; a rotary shaft connecting hole is formedin the center of the bottom end of the centrifugal basket, the rotary shaft connecting hole is fitted with the keyway of the centrifugal power component provided at the lower part, and the centrifugalpower component comprises a centrifugal rotating mechanism, a position adjusting mechanism and the lifting mechanism. According to the silicon wafer spin-drying machine, a to-be-spin-dried wafer boxis placed in the spin-drying box by utilizing the principle of centrifugal spin-drying dehydration, the centrifugal rotating mechanism is used for driving the spin-drying bucket to rotate at a high speed to dry the water into the dewatering pipe, the automation degree is high, and the silicon wafer spin-drying machine is practical and convenient.

The invention relates to an optimization method and device for controlling viscous fingering in surfactant flooding under the gravity effect. The optimization method for controlling viscous fingeringin surfactant flooding under the gravity effect sequentially includes the steps of design of an injection-production seepage dip angle adjustable sand filling physical model, correlation of a surfactant solution displacement phase under the gravity effect and the seepage speed of an interface region where micro-emulsion slug is formed, correlation of the formed micro-emulsion slug under the gravity effect and the seepage speed of a propelled oil wall interface region, acquisition of unitary surfactant flooding leading edge and seepage physical property parameters of the physical model, the gravity effect stable displacement leading edge de-oil saturation and variable injection and projection dip angle stable seepage technology boundary division and viscous fingering control capacity optimization. The problems that in existing surfactant flooding, in order to effectively avoid viscous fingering, a polymer fluidity control agent needs to be introduced into a system usually, the oil extraction cost is further increased, and a ground injection and production process is complicated are solved.

The invention provides a roller charging machine. The roller charging machine comprises a rack and a roller which is mounted on the rack, wherein the roller is driven by a roller motor which is arranged on the rack; a hinge is arranged at one end of the rack; a pin is arranged at the other end of the rack; the hinge and the pin are matched for realizing the adjustable inclined angle of the roller on the rack. The roller charging machine is characterized in that the roller is divided into a wetting vane section A, a drying vane section B and a charging section C; a single-medium nozzle is arranged in the charging section C and is connected by a hose; the hose is supported by a universal support; the roller comprises an outer ring fixed drum, a fastening screw used for fastening the outer ring fixed drum, an interlayer, a roller inner wall and a plurality of thin plate cavities; the interlayer is clamped between the outer ring fixed drum and the roller inner wall; the thin plate cavities are arranged in the inner wall of the roller in an equal distance; steam pipelines are arranged in the thin plate cavities; a condensed water pipeline is arranged in the interlayer. The roller charging machine has the advantages that the structure is reasonable and easy to realize, the utilization rate of liquid material is greatly improved, the overflowing of the material liquid is reduced, the humidification effect is rapid, and the ejection of the material liquid is accurate.

The present invention relates to a device and method for treating produced water from oil and gas fields by using organic matter degradation and self-supply energy, wherein the anode pool, desalination pool and cathode pool of the device for treating oil-gas field produced water by using organic matter degradation and self-supply are arranged adjacently in sequence, and the two desalination pools There are cut holes on each side, and cation exchange membranes are installed at the cut holes; the carbon fiber conductive brush is placed in the anode pool as the anode electrode, and the air cathode is placed in the cathode pool as the cathode electrode; the positive electrode group and the negative electrode group are desalinated. The cells are parallel to each other, and a mesh separator is embedded in the middle of the adjacent positive electrode group and negative electrode group. The mesh separator is made of glass fiber material, and the positive electrode group, negative electrode group, and mesh separator together form a porous electrode in the desalination tank. Deionization module; anode pool, desalination pool, cathode pool, raw water tank, anode circulation water tank, cathode circulation water tank, purified water buffer tank to build a water quality circulation process. The invention fundamentally realizes the continuous and stable self-supply of electric adsorption desalination of the system.