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40results about How to "Scientific data support" patented technology

Device and method for testing gas-liquid sulfur phase permeation curve of high-temperature high-pressure high-sulfur-content gas reservoir

The invention discloses a device and a method for testing a gas-liquid sulfur phase permeation curve of a high-temperature high-pressure high-sulfur-content gas reservoir. The testing device comprises a displacement system, a stratum condition simulation system, a back-pressure system, a data testing system and a data acquisition system. The testing method comprises the following steps: selecting and treating a rock core; preparing rock core saturated stratum water and liquid sulfur; simulating a high-temperature and high-pressure environment of the stratum; determining the condition of liquid sulfur phase permeability under irreducible water saturation; performing a phase permeation test on filling of gas-liquid sulfur according to a set ratio; recording the amount VSi of liquid sulfur and the gas amount Vgi generated totally; correcting the stratum condition; calculating the relative permeability Krs of the liquid sulfur phase, the relative permeability Krg of the gas phase and the gas saturation Sg of a rock sample at each moment and the like. The device and the method disclosed by the invention can be used for safely, conveniently, rapidly, accurately and efficiently measuring the high-temperature high-pressure gas-liquid sulfur phase permeation data and providing scientific data support for making a reasonable development scheme for the high-sulfur-content gas reservoir.
Owner:SOUTHWEST PETROLEUM UNIV

High sulfur content gas reservoir sulfur solubility online test apparatus and test method thereof

The invention discloses a high sulfur content gas reservoir sulfur solubility online test apparatus and a test method thereof. The high sulfur content gas reservoir sulfur solubility online test apparatus comprises a dual injection system, a CS2 absorption elemental sulfur system, a stratum environment high temperature and high pressure simulating reaction system, a fluorescence sulfur determining system, a data acquisition system and a cleaning and tail gas treatment system. The test method comprises sulfur-containing gas sample preparation, vacuumizing preparation, stratum high temperature and high pressure environment simulating, elemental sulfur testing, total sulfur metering testing, total sulfur testing after a sulfur dissolution reaction, data acquisition, cleaning and tail gas treatment, and the like. According to the present invention, the solubility data of the gas elemental sulfur in the high temperature and high pressure high sulfur content gas reservoir can be safely, conveniently, accurately and efficiently determined, the foundation is established for the solving of the widespread sulfur deposition problem in the high sulfur content gas reservoir development, and the scientific data support is provided for the making of the reasonable high sulfur content gas reservoir development program.
Owner:SOUTHWEST PETROLEUM UNIV

Mine area vegetation carbon sink remote sensing inversion method of fine land utilization type

The invention discloses a mine area vegetation carbon sink remote sensing inversion method for a fine land utilization type, and the method comprises the following steps: A, obtaining high-resolution image data, and carrying out the land utilization type classification through combining ground feature spectral curve features obtained by a high-spectral-resolution sensor; B, performing vegetation parameter inversion on the mining area image data by adopting a wave band operation mode, wherein vegetation parameters comprise a normalized vegetation index, a specific value vegetation index and vegetation coverage; C, dividing into a carbon sequestration area type by combining a land utilization type and a critical threshold value NDVIlim; and D, constructing a vegetation carbon sequestration parameter inversion model to perform inversion on the vegetation carbon sequestration area, and respectively obtaining the vegetation net primary productivity. According to the method, the land utilization types of the mining area are finely classified, the vegetation carbon sequestration capacity is partitioned, the light energy utilization rate model is constructed in combination with the remote sensing image and the ground actual measurement data, the precision degree of calculation of the vegetation carbon sequestration of the mining area is improved, and scientific data support can be provided for coal clean mining transformation and land reclamation decision making.
Owner:CHINA UNIV OF MINING & TECH (BEIJING) +4

Detecting device for evaluating dust collection efficiency of electrostatic dust collector

The invention discloses a detecting device for evaluating dust collection efficiency of an electrostatic dust collector. The device comprises a gas mixing portion and an electrostatic dust collection portion; the concentration of dust output by the gas mixing portion can be adjusted through the air volume of an air compressor and the dust content of a dust input opening, and the adjustable range of the dust concentration ranges from 50 micrograms / m<3> to 5000 micrograms / m<3>; the polar plate space of an ionization zone in the electrostatic dust collection portion, the polar plate space of a dust collection zone, output voltage of an ionization zone power source and output voltage of a dust collection zone power source can be adjusted respectively, the adjustable range of the polar plate space ranges from 0.5 cm to 4 cm, and the output voltage ranges from 0kv to 12kv;and the wind speed of the whole device can be adjusted by changing the rotating speed of a fan, and the adjustable range of the wind speed ranges from 0m / s to 4m / s. the device has the obvious advantage of being capable of evaluating the influences of the dust content, the polar plate space of the ionization zone, the voltage of the ionization zone, the polar plate space of the dust collection zone, the voltage of the dust collection zone and the wind speed on the dust collection efficiency of the electrostatic dust collector.
Owner:SHANGHAI NAT ENG RES CENT FORNANOTECH

Diffusion coefficient measurement device of hydrocarbon gas

The invention relates to a diffusion coefficient measurement device of hydrocarbon gas, which comprises a rock holder for containing a rock sample, a first gas storage container, a second gas storage container and a differential pressure gauge, wherein a rock sample containing cavity is constructed in the rock holder; a first diffusion cavity is formed in one side of the rock sample containing cavity; a second diffusion cavity is formed in the other side of the rock sample containing cavity; the first gas storage container is communicated with the first diffusion cavity to inject the hydrocarbon gas into the first diffusion cavity; the second gas storage container is communicated with the second diffusion cavity to inject reference gas into the second diffusion cavity; the differential pressure gauge is communicated with the first diffusion cavity and the second diffusion cavity; the first gas storage container injects the hydrocarbon gas into the first diffusion cavity and the second gas storage container injects the reference gas to the second diffusion cavity simultaneously; and a reading of the differential pressure gauge is not greater than preset maximum differential pressure. With the adoption of the diffusion coefficient measurement device of the hydrocarbon gas, a relatively accurate diffusion coefficient can be obtained.
Owner:CHINA PETROLEUM & CHEM CORP +1

High-voltage electric tower Beidou deformation monitoring and early warning system on unstable slope

The invention relates to the geological disaster monitoring field based on Beidou, and especially relates to a high-voltage electric tower Beidou deformation monitoring and early warning system on anunstable slope. The system comprises a slope where a power transmission tower to be measured is located, a geological disaster safety data acquisition Beidou terminal, a local monitoring Beidou terminal and a geological disaster early warning terminal. The geological disaster safety data acquisition Beidou terminal is composed of a power supply device, a high-precision Beidou positioning sensor, alocal deformation data acquisition device and a data processing box. The local deformation data acquisition device is composed of a plurality of resistance-type semiconductor strain gauges. An acquisition device array is arranged on the unstable slope. The geological disaster safety data acquisition Beidou terminal carries out standardization processing on image signals and then transmits information to the local monitoring Beidou terminal through a Beidou satellite. The local monitoring Beidou terminal transmits the information to the geological disaster early warning terminal through judgment, and therefore monitoring and early warning are performed timely before geological disasters happen.
Owner:NANCHANG UNIV

Online monitoring system for oil seal leakage of mining reducer and online monitoring method

ActiveCN109708822ARealize online monitoringTimely and accurate detection of oil leakage faultsMeasurement of fluid loss/gain rateData informationMonitoring system
The invention, which belongs to the technical field of mining machinery and equipment, discloses an online monitoring system for oil seal leakage of a mining reducer and an online monitoring method. The online monitoring system comprises an oil collecting device, a detecting device and a central controller. The oil collecting device is used for collecting sealed oil leaked by a reducer. The detecting device detects and outputs oil amount data information of the sealed oil collected by the oil collecting device. The central controller receives the oil amount data information outputted by the detecting device and carries out data analysis and processing. Besides, the online monitoring method uses the online monitoring system. Therefore, a problem that the operation can not distinguish the sealed oil leaked conventionally from sealed oil leaked after sealing failure is solved. Meanwhile, the oil amount and the oil amount changing rate of the collected sealed oil are detected to provide ascientific data support for determining the oil leakage fault of the reducer; on-line monitoring of the oil leakage fault of the reducer is realized; and the operator can discover the oil leakage fault of the reducer timely and accurately.
Owner:NINGXIA TIANDI BENNIU IND GRP +1

Cast-in-place pile concrete interface recognition and super-cast loosening device and use method thereof

The invention particularly discloses a cast-in-place pile concrete interface recognition and super-cast loosening device. The cast-in-place pile concrete interface recognition and super-cast loosening device is characterized in that a vibration reflecting head, a data line, an outer sheath pipe, a reflected wave receiver and a control switch are included, the vibration reflecting head, the data line, the reflected wave receiver and the control switch are in electric signal connection in sequence, the data line is sleeved with the outer sheath pipe, and the two ends of the outer sheath pipe are in sealed connection with the vibration reflecting head and the reflected wave receiver respectively; the reflected wave receiver comprises a signal processing chip and a display device, data generated by the vibration reflecting head are transmitted to the signal processing chip through the data line, and the collected signals are converted into data through the signal processing chip according to a preset program and output by the display device. According to the device, scientific data supports are provided for guaranteeing concrete cast quality, accuracy of the concrete casting quantity is guaranteed, concrete waste is avoided, meanwhile, the difficulty of digging away a high-strength pile top after a subsequent cast-in-place pile is dug is lowered, the cost for digging away concrete is reduced, and the construction period for digging away the concrete is shortened.
Owner:CHINA MCC20 GRP CORP

Layered optical measuring method of fruit tree vertical structure and device

The invention provides a layered optical measuring method of a fruit tree vertical structure and a device. Firstly, the ratio of photon flux densities of the fruit trees to environmental photon flux densities can be calculated by photon sensors arranged at different horizontal layers and aiming to different incident directions of sunlight and arranged at equal intervals in a line on different positions on the same horizontal layers, and therefore the incident light transmission rates on any photon positions can be acquired respectively; and then the incident light transmission rates and leaf angle distribution extinction coefficient are input in a light distribution model, and the leaf area indexes of the fruit trees on any photon positions are output; and finally by using a spatial interpolation method, based on the leaf area indexes, the leaf area distribution results on different horizontal layers are acquired, and therefore the leaf area distribution result of the fruit tree vertical structure can be acquired. The invention is advantageous in that based on the leaf area distribution result of the fruit tree vertical structure, the optimized assessment of the optical distribution and the optical utilization rate of the fruit tree structure is carried out, and therefore the scientific data support can be provided for fruit tree trimming or the fruit tree shape optimization.
Owner:BEIJING RES CENT FOR INFORMATION TECH & AGRI

Method and device for evaluating forecast effect of power transmission line icing

The invention provides a method and a device for evaluating a forecast effect of power transmission line icing. The method comprises the following steps: determining evaluation parameters; and evaluating the forecast effect of power transmission line icing. The evaluation parameters comprise a skill score for the forecast effect of icing thickness, an optimal horizontal dimension, and a change trend of the skill score. The evaluation is objective, the phenomena of empty reporting and missing reporting is avoided, the evaluation result is reasonable, and the evaluation difficulty is reduced. According to the method and the device for evaluating the forecast effect of power transmission line icing, the forecast effect of power transmission line icing can be objectively and scientifically evaluated, and the availability and the applicability of the icing thickness forecast data are further improved, so that the operation and maintenance of the power grid are served. In addition, the availability of the forecast data can be maximized, scientific data support can be provided for maintenance personnel, and safe and stable operation of the power grid is guaranteed. Key parameters can be automatically set according to the factors such as icing time, icing thickness, icing type and other factors in different regions, so that the method and the device is closer to actual production of electric power, thereby maximally reducing labor cost and reducing resource waste.
Owner:CHINA ELECTRIC POWER RES INST +1

Device and method for on-line testing of sulfur solubility in high-sulfur gas reservoirs

The invention discloses a high sulfur content gas reservoir sulfur solubility online test apparatus and a test method thereof. The high sulfur content gas reservoir sulfur solubility online test apparatus comprises a dual injection system, a CS2 absorption elemental sulfur system, a stratum environment high temperature and high pressure simulating reaction system, a fluorescence sulfur determining system, a data acquisition system and a cleaning and tail gas treatment system. The test method comprises sulfur-containing gas sample preparation, vacuumizing preparation, stratum high temperature and high pressure environment simulating, elemental sulfur testing, total sulfur metering testing, total sulfur testing after a sulfur dissolution reaction, data acquisition, cleaning and tail gas treatment, and the like. According to the present invention, the solubility data of the gas elemental sulfur in the high temperature and high pressure high sulfur content gas reservoir can be safely, conveniently, accurately and efficiently determined, the foundation is established for the solving of the widespread sulfur deposition problem in the high sulfur content gas reservoir development, and the scientific data support is provided for the making of the reasonable high sulfur content gas reservoir development program.
Owner:SOUTHWEST PETROLEUM UNIV

A hydrological data acquisition method and a virtual hydrological station

The invention provides a hydrologic data acquisition method. The method comprises the steps that V pieces of GPS range data which needs to be sent and belongs to hydrologic data is acquired and storedin a storage module in a floating ball; the floating ball is put from an initial position to be measured to a river to be measured, and in the flowing process of the floating ball along the water flow, current GPS data is acquired through a communication circuit of a GPS positioning module in real time or at set time intervals; a processor compares the current GPS data with the GPS range data which is stored in the storage module, if the current GPS data falls into a certain piece of GPS range data, and three or more sets of hydrologic data measured by the current floating ball are sent to amanagement platform through the communication circuit of a Beidou positioning module at set sending time intervals in sequence, wherein the hydrologic data comprises three-dimensional positioning information and time information, acquired by the GPS positioning module, at the current position. According to the hydrologic data acquisition method, the hydrologic monitoring capacity is improved, therequirements of disaster prevention and reduction and water resource management can be met, and the scientific data support is provided for construction of a hydrologic information system.
Owner:李骚

A method for counting cuttings content in glutenite reservoirs

The invention relates to the field of quantitative characterization of reservoir petrology in the study of glutenite reservoirs, in particular to a method for counting cuttings content in glutenite reservoirs, comprising the following steps: intercepting imaging well logs according to the research depth; Process the well log to obtain the area percentage of the total content of gravel components; select the core sample to obtain the area content percentage of various gravel-level cuttings in the core section sample; based on the area content percentage and total content of gravel components The final percentage content of each type of gravel-level cuttings is obtained by area percentage; the content of various types of sand-level cuttings is obtained for the core samples corresponding to the research depth; the final percentage content of various gravel-level cuttings and the same type of sand-level cuttings The content is added to obtain the actual content percentage of various cuttings at the research depth; the present invention combines the content of cuttings of sand size and the content of cuttings of gravel size to accurately characterize the content of different types of cuttings in glutenite reservoirs.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Anti-pollution flashover performance evaluation, early warning method and system for external insulation of power transmission and transformation equipment

The invention provides power transmission and transformation equipment external insulation anti-pollution flashover performance evaluation and early warning methods and systems. With a geographical location as a reference framework, the relationship among power transmission and transformation equipment, a pollution area distribution map and an anti-pollution flashover configuration creepage distance range is built, and the power transmission and transformation equipment external insulation anti-pollution flashover performance evaluation in a current environment is carried out. The power transmission and transformation equipment external insulation anti-pollution flashover performance evaluation method comprises steps: power transmission and transformation equipment anti-pollution parameters are extracted, wherein the anti-pollution parameters comprise power transmission and transformation equipment measurement data and power transmission and transformation equipment attribute data; the corresponding relationship between a pollution area distribution map and an area of the power transmission and transformation equipment is built, and the environmental pollution grade of the area of the power transmission and transformation equipment and the corresponding anti-pollution flashover configuration creepage distance range are acquired; and according to the power transmission and transformation equipment anti-pollution parameter data, the pollution grade of the area of the power transmission and transformation equipment and the corresponding anti-pollution flashover configuration creepage distance range, power transmission and transformation equipment anti-pollution flashover performance evaluation is realized. The methods and the systems of the invention can be used for guiding maintenance and updating of the power transmission and transformation equipment, hidden power utilization dangers in a power grid are eliminated, the manpower cost is saved through an automatic scheme, and the market value is important.
Owner:WUHAN UNIV
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