58 results about "Lithosphere" patented technology

The invention discloses a two-dimensional Lg wave Q value tomographic imaging method based on single station data, double station data and double event data. The method comprises the following steps that (a) regional seismic data are collected and preprocessed so that Lg wave true amplitude and a signal to noise ratio can be obtained, the threshold value of the signal to noise ratio is set, and an Lg spectral data body used for Lg wave Q value tomographic imaging is selected; (b) the double station data and the double event data are extracted from the single station data; (c) Lg wave Q value tomographic imaging is performed based on amplitude data. Northeast China adjoins North Korea, and tomographic imaging results for the northeast China can be used for accurately measuring the body wave magnitude of nuclear explosions in North Korea and accurately estimating the yield of nuclear explosions. In addition, northeast China is rich in oil gas, mineral and hydrotherm resources, the resources have a certain corresponding relation with a crustal Q value; the interchange of materials between the earth crust and the upper mantle has intense influence on earth crust attenuation; conversely, lithosphere thinning in east China can be further studied by utilizing a Q value imaging model.

The invention provides a method for herbaceous plants to cope with global climate change. The method comprises the steps of 1, with herbaceous plants being the main body, managing stony desertification and desertification, controlling coastal erosion and water and soil loss and preventing an earth ecological system from collapsing and breaking down; 2, planting the herbaceous plants in regions with the stony desertification, the desertification, the coastal erosion and the water and soil loss, fixing the surface soil layer, recovering or rebuilding vegetation and controlling emission of carbonin lithosphere to atmosphere and hydrosphere; 3, utilizing the characteristics that the fast-growing herbaceous plants are fast in growth and development, high in carbon capturing efficiency and hugein biomass, convert movable carbon in the atmosphere into fixed carbon, develop new climate economy, further promote the increase of the amount of the fixed carbon in the industries of agriculture, forestry, animal husbandry, side-line production and fishery and achieving a world zero carbon development mode. Ecological development is the best carbon emission reduction mode, and carbon dioxide isprecious wealth of the human. Respecting the nature, conforming to the nature, protecting the nature and guiding the nature solve the problem of ecology, environment, resources, economy and global climate warming.

The invention discloses a depth-varying-to-density earth crust expansion coefficient thermal calibration gravity anomaly retrieval method. In the calculation process of a gravity retrieval earth crust expansion coefficient, a lithosphere thermal gravity anomaly calibration and depth constraint strategy is introduced, according to an iterative computation method of multiple parameter constraints such as a submarine topography, a sedimentary thickness, magnetic anomaly, an ocean age isochron and earthquake reflection and refraction, a distortion effect, caused by earth crust density changes resulted from lithosphere thermal disturbance, on gravity interpretation is corrected, and a basis is provided for knowing earth crust expansion and cracking processes.

The invention relates to multifunctional seismic detection and predicting device. It sets network type multifunctional detecting well and sonar tube in lithosphere to detect its sound signal and seismic signal while breaking, uses vertical deformation of the laser detecting multifunctional detecting well to calculate its horizontal stress change by function calculating, combines satellite observation for ground change and magnetic variation to observe and analyze natural environment in earthquake, before and after. Thus it can exactly predict by the numbers for the crust lithosphere change and the becoming earthquake.

The invention relates to deep foundation pit blasting, in particular to blasting prevention of an underground diaphragm wall lithosphere, and discloses a supporting method for a blasting preventive facility of a deep-foundation-pit lithosphere. The supporting method includes step 1, making the blasting cover made of the junked tires and covering the same on a blasting explosive hole, and step 2, anchoring the periphery of the blasting cover into the lithosphere through lengthened expansion bolts, wherein the expansion bolts and the blasting cover are connected through elastic stays. Through buffer action of the elastic blasting cover and the elastic stays, detritus and impact both caused by blasting are reduced, and a protection function for construction environment is realized.

A WEM-based method for deep resource detection using sky waves refers to the technical field of deep resource detection. The proposed method of deep detection using sky waves improves the traditional “atmospheric-lithosphere” half-space propagation theory into a full-space “sky wave” theory of “ionosphere-atmosphere-rock layer”, that is, the influence of the ionosphere and the displacement current in the air are taken into consideration to obtain a new precise expression of “sky wave” response, which is suitable for full space, slow attenuation and long distance propagation. A receiving device for sky wave signal has been developed. Through theoretical model calculation and actual data measurement, it is known that it is possible to use the sky wave for detection within the scope of China's national territory to realize the high-precision electrical structural exploration within a depth of 10 kilometers and open a new era of artificial source electromagnetic detection.

The invention discloses an ultrasonic-based lithosphere state real-time monitoring system. The system comprises a micro-controller module as well as an ultrasonic transmission module, an ultrasonic receiving module, a rock concentration detection module, a display module, an alarm module and a power module which are connected with the micro-controller module, wherein the micro-controller module comprises a computing unit, a comparison unit and a control unit; the ultrasonic transmission module comprises a high-voltage circuit, a pulse generation circuit and an ultrasonic transmitting transducer which are sequentially connected; the ultrasonic receiving module comprises a noise filtering circuit, a receiving signal amplification circuit and a signal shaping circuit which are sequentially connected. According to the ultrasonic-based lithosphere state real-time monitoring system, the condition of the loose range of surrounding rocks is monitored in real time by utilizing the propagation speed of the ultrasonic wave in rock mass and the relation between the stress state and the cracking degree of the rock mass. The system is convenient, flexible and easy to operate.

The invention discloses a landing method of a submarine pipeline in the offshore petroleum engineering construction process. The directional drill crossing and back-hauling technology is adopted to achieve landing of the submarine pipeline. The construction process comprises the following steps that directional drill equipment mounting and debugging are conducted, guide holes are drilled from theland to the seat, the lithosphere is thoroughly drilled, a drill bit is pulled back from the soil entering position, forward pushing and progressive reaming is conducted, the drill bit is unearthed from the bottom of the sea, the drill bit is withdrawn, forward pushing and progressive reaming of the covering layer (the claypan and the sludge layer) is conducted, the reaming drill bit is connectedwith an upper pipe-laying ship, the drill bit is removed, and a pipeline is connected, the pipeline is prefabricated on the pipe-laying ship, and backhaul is started, and after backhaul, relative detection is conducted. The directional drill crossing and back-hauling technology is adopted to conduct landing of the submarine pipeline, construction difficulty of a normal landing mode of the submarine pipeline is effectively reduced, original equipment and the environment are effectively protected, construction working amount is greatly reduced, the construction period is obviously shortened, andthe construction cost of the whole engineering project is lowered.

The invention relates to the underground construction, in particular to the deep foundation pit lithosphere blasting. A deep foundation pit lithosphere blasting protection method comprises the step of carving a wound surface, exceeding each blasting depth, on at least one edge of the outermost lap of a foundation pit lithosphere required to be blasted by mechanical carving or blasting carving. The method can guarantee no influence on surrounding environment from blasting shock waves in the blasting operation so as to reduce or prevent the potential safety hazard of the surrounding environment caused by the blasting shock waves.

The invention relates to a method for extracting gravity anomaly by a marine gravity survey, which comprises the following steps: computing transient course and navigational speed, adopting right-angle coordinate data within 4 seconds to compute the course and the navigational speed at an intermediate time point, and filtering out high-frequency interference; reading a gravity meter, the navigational speed, the course, water depth and tide, firstly performing 9-point smoothing to filtering out partial high-frequency interference, and then performing correcting computation on items; extracting gravity anomaly values at 10 seconds intervals for first 9-point smoothing; extracting 10-second integral multiple of gravity anomaly values for secondary 9-point smoothing; obtaining a final result of the effective and reasonable gravity anomaly value, thus eliminating high-frequency interference and the gravity anomaly in close relationship with density distribution of earthcrust. The method provided by the invention is applied to studies such as lithosphere, earthcrust structure, oil gas accumulation, and density anomalous body.

A system, apparatus and method for generating electricity from renewable geothermal, wind, and solar energy sources includes a heat balancer for supplementing and regulating the heat energy fed to a turbine generator; a hydrogen-fired boiler for supplying supplementary heat; and an injection manifold for metering controlled amounts of superheated combustible gas into the working fluids to optimize efficiency.

Wind or solar power may be converted to hydrogen in an electrolysis unit to produce hydrogen. A phase separator unit that operates by cavitation of the geothermal fluids removes gases from the source fluid. A pollution prevention trap may be used to remove solids and other unneeded constituents of the geothermal fluids to be stored or processed in a solution mining unit for reuse or sale. Spent geothermal and working fluids may be processed and injected into the geothermal strata to aid in maintaining its temperature or in solution mining of elements in the lithosphere.

The invention discloses a double independent driving system for a shield machine, which comprises a front shield housing, a central cutting knife plate, a main knife plate, a soil bin, a cutting ground outlet and a screw conveyor, wherein the central cutting knife plate is mounted in the center of the main knife plate of the shield machine; and a central knife independent driving device is mounted above the central cutting knife plate. The double independent driving system has the benefits that as the central knife independent driving device is mounted above the central cutting knife plate, the central cutting knife plate can rotate fast to break lithosphere, and the main knife plate rotate in a low speed to break a soft soil layer, so as to ensure that the speeds of the main knife plate and the central cutting knife plate are the same while being used for breaking special stratums, which realizes the smooth excavation of the shield machine.

The invention discloses a method for uncovering an outburst coal seam by using pseudo lithosphere on a laneway. The method comprises the following steps of: drilling ear lanes on both sides of the laneway after reaching a position which is a certain distance away from a coal seam to be excavated; drilling three circles of drill holes on a plane vertical to the openings of the ear lanes, wherein the three circles of drill holes refer to inner layer holes, middle layer holes and outer layer holes respectively in a direction from the centers of the ear lanes to the outside; performing shock blasting and presplitting on at least one of the three layers of holes, so that fractures among corresponding layers of holes after shock blasting and presplitting can be communicated with one another; grouting into the middle layer holes to make the middle layer holes form pseudo lithosphere; and connecting the inner layer holes and the outer layer holes with a pumping device respectively. By adopting the method, the problems of long construction period and poor safety in the prior art are solved.

The invention discloses an anchor and extraction integrated method for mining a bottom plate rock roadway in a deep part coal seam. The anchor and extraction integrated method includes the following steps that (1) drilling is conducted, specifically, a conventional drilling machine is used for drilling in the rock roadway, and a plurality of drilling holes are drilled; (2) anchor and extraction integrated devices are inserted into the drilling holes, extraction sections of the anchor and extraction integrated devices are located in the coal seam, and anchorage sections of the anchor and extraction integrated device are located in lithosphere; (3) the anchor and extraction integrated devices are anchored in the drilling holes; and (4) the anchor and extraction integrated devices are connected with extraction pipelines of a gas extraction system in the rock roadway for conducting gas extraction. The anchor and extraction integrated method has the advantages of being simple in structure,convenient to operate, high in reliability and low in anchor extraction cost.

The invention discloses a closed-cycle brine spraying system and method for garbage disposal. The system comprises a landfill, a spraying net, an underground waterproof wall, more than one water settling well, a water pump and sewage treatment equipment, wherein the spraying net is arranged above the landfill, the underground waterproof wall is arranged around the landfill and extends downwards to a lithosphere, more than one water settling well is arranged in an area defined by the underground waterproof wall, the water pump pumps leachate in each water settling well into the sewage treatment equipment for treatment, brine is sprayed into the landfill via the spraying net, permeates from the top of garbage to the bottom and enters each water settling well through the lithosphere finally, the mixture of brine and leachate is pumped onto the ground by the water pump and sent into the sewage treatment equipment through a water settling well water outlet pipe, and the leachate is separated out by the sewage treatment equipment.

The invention aims to provide a lithosphere piling drill to solve the problem that the construction technology and construction equipment in the existing lithosphere pile foundation construction cannot reach the construction goal of low cost and high efficiency. The conventional construction equipment is of extremely low construction efficiency in the lithosphere, has super high requirements for equipment performance itself and has the problem of big construction limitation. The lithosphere piling drill comprises a plurality of drill units, wherein fixing devices are arranged among each two drill units. The drill unit comprises a percussion drill and a percussion driving device for driving the percussion drill to give repeated percussions. The lithosphere piling drill can be applied into the field of pile foundation construction.

The invention belongs to the technical field of natural gas hydrate carbon circulation, and discloses a method and a system for analyzing a carbon circulation process at a boundary of a natural gas hydrate stabilization zone. On the basis of methods for seismic interpretation, numerical simulation, hydrate decomposition amount calculation, coral reef fixed carbon content calculation and the like,the carbon circulation process at the boundary of the hydrate stabilization zone is quantitatively evaluated. The amount of methane entering seawater is estimated by calculating the amount of free gasreleased by hydrate decomposition and the fixed carbon content of cold-water coral reefs, so that the carbon circulation process in lithosphere, biosphere, hydrosphere and atmosphere at the boundaryof the hydrate stabilization zone is fully recognized, the effect of a natural gas hydrate system in a global carbon circulation system is quantitatively and accurately evaluated, and people is helpedto correctly understand the influence of hydrates on the environment, the climate changes and the like.

The invention relates to a satellite magnetic field data fusion seismic anomaly extraction method based on tensor decomposition. The method comprises the following steps: subtracting CHAOS-7 magnetic field model data from multi-channel satellite magnetic field data to remove an earth main magnetic field and a static lithosphere magnetic field; removing low-frequency components of the residual data by using wavelet decomposition; constructing a corresponding third-order time-frequency spectrum tensor according to the time-frequency amplitude matrix of the magnetic field data of each channel obtained by synchronous extrusion wavelet transform; decomposing the constructed third-order time-frequency spectrum tensor by using non-negative tensor decomposition to obtain a fused local feature component related to the earthquake; and selecting a fusion local feature component according to the energy-entropy ratio, extracting fusion seismic anomalies in the component through a threshold segmentation method, and outputting a fusion seismic anomaly result. According to the method, the information of the multi-channel satellite magnetic field data is combined, the fusion local feature component related to the earthquake is obtained, and the extracted fusion earthquake anomaly is more reliable.

The invention discloses a subbottom observation platform, a seabed relative geodesic device and system. The subbottom observation platform consists of a recovery system and a discarding support. The seabed relative geodesic device and system can be widely arranged near various seabed structural units like a seabed volcano, a transform fault, an spreading ridge, etc, and can be even arranged near an spreading magma reservoir or a hot spot in order to observe the change of the magma reservoir and the interaction between the hot spot and an ocean spreading ridge. The seabed relative geodesic system can precisely obtain motion process information of various geology and deposition events in a short distance and in real time, and can help people establish comprehensive acknowledgment about the phenomenon like lithosphere transformation, evolution, deposition, etc.

The invention disclose a method for predicting a reservoir-induced earthquake based on surface gravity and GNSS observation data, namely performing computational simulation on a vertical constructionstress borne by a reservoir section/reach lithosphere; if the vertical construction stress borne by the lithosphere is far away from the geocenter (in an upward direction), the section/reach is applicable to building a large reservoir without triggering the strong reservoir-induced earthquake; if the vertical construction stress borne by the lithosphere points to the geocenter (in a downward direction), the section/reach is not applicable to building the large reservoir and has the possibility of triggering the strong reservoir-induced earthquake. According to the method provided by the invention, through analyzing the relation between a vertical construction stress field borne by the lithosphere and a surface load along with the construction of the large reservoir, the new method for predicting the reservoir-induced earthquake is given from the angle of lithosphere balance. The method provided by the invention can early predict the earthquake danger that may be triggered by reservoirfilling according to the surface gravity and the GNSS observation data, is beneficial to reducing disasters caused by the reservoir-induced earthquake, and also can provide a theoretical basis for site selection of large-scale water conservancy construction.

The invention discloses a temperature-compensation ultrasonic surface wave-based lithosphere state real-time detection system, which comprises a micro-controller module, an ultrasound transmitting module, an ultrasound receiving module, a display module, a temperature sensor and a power supply module. The ultrasound transmitting module, the ultrasound receiving module, the display module, the temperature sensor and the power supply module are connected with the micro-controller module. The micro-controller module comprises a timing unit, a first computing unit, a second computing unit and a comparison unit. The ultrasound transmitting module comprises a high-voltage circuit, a pulse generating circuit and an ultrasonic transmission energy transducer, wherein the high-voltage circuit, the pulse generating circuit and the ultrasonic transmission energy transducer are sequentially connected. The ultrasound receiving module comprises a noise filtering circuit, a received signal amplification circuit and a signal shaping circuit, wherein the circuits are sequentially connected. According to the invention, based on the relationship between the propagation velocity of ultrasonic waves in a rock, the bearing state of the rock, and the fracture degree of the rock, the loose- range condition of the surrounding rock mass can be monitored in real time. Therefore, the system is convenient, flexible, and easy to operate.

The invention relates to oil underground drilling equipment, in particular to an underground horizontal drilling combined drilling tool of an oil well drilling platform for completing the tapping of the steel sleeve wall as well as the cement and the lithosphere through descending into a well for once. An execution mechanism of the underground horizontal drilling combined drilling tool is divided into an inner layer, a middle layer and an outer layer; the underground horizontal drilling combined drilling tool comprises a drilling tool for drilling the steel sleeve wall and a guide apparatus for tapping the cement and the lithosphere, wherein the drilling tool and the guide apparatus are driven by a location hydraulic cylinder to perform reciprocating motion, so as to complete the horizontal drilling of the steel sleeve wall as well as the cement and the lithosphere through descending into the well for once and greatly improve the underground horizontal tapping efficiency; a drill in the drilling tool is flexible; the feeding direction of a feeding hydraulic cylinder is the axial direction of the shell of the execution mechanism, therefore, the occupancy space of the drilling tool is decreased and the size of the execution mechanism is reduced; a power source provides power for the execution mechanism through an oil pipe which has good sealing with a sealing connector so that special sealing for a motor and a battery as well as a wire is not needed. The equipment of the invention has the advantages of simple structure, convenient operation and low cost.

The invention relates to the technical field of pavement, and provides a construction method for building pavement on soft foundation. The construction method solves the problem that when strength offoundation is insufficient, the pavement is liable to sink and deform and even crack and be damaged. The construction method comprises the following steps that (1), the sludge depth is detected; (2),a mold pipe is sunk; (3), cement slurry is poured; (4), pile sinking is conducted; (5), the mold pipe is disassembled; (6), the sludge is reinforced; (7), a concrete base and subgrade on two sides arepoured; and (8), a cushion layer and a surface layer are laid. Pile bodies are adopted to provide pressing resistance and bending resistance. Cement piers are fixedly connected to lithosphere. The connecting area between the cement piers and the sludge is large, then the stone blocks are sunk in a matched mode, the gravity of the stone blocks is adopted to generate high friction with the lithosphere, and the gravity of the stone blocks is adopted to generate inertia for in-situ retaining. The pile bodies are constrained stably, displacement of the pile bodies is avoided, the pile bodies are guaranteed to stably support the concrete base, and the pavement structure is stable.

The invention discloses test-bed equipment for testing the shale gas content. The test-bed equipment comprises an operation platform, positioning circular pipes, a water tank water inlet flange, airtight gas tanks and desorption tank drainage pipes. The airtight gas tanks are inserted and fixed inside fixed rings which are welded and fixed to the outer wall of the right side of the operation platform; the desorption tank drainage pipes are welded and fixed to the outer wall of the left side of the operation platform and penetrate through the operation platform to communicate with the interiors of desorption tanks; water guiding spiral pipes, gas tank water outlet pipes and gas flowing pipes are all hoses and are connected with metal connectors on the desorption tanks and the airtight gas tanks in a manual sleeving-inserting mode. The test-bed equipment for testing the shale gas content is provided with the desorption tanks, electric heating pipes are fastened at the bottoms of the desorption tanks in a threaded mode, and heating pipes of supporting plates with holes are welded to the inner walls of the desorption tanks so that water inside the desorption tanks can be heated; the temperature of sampled shale in underground lithosphere is simulated, so that the maximum amount of shale gas can be desorbed from the sampled shale, and accordingly the shale gas content is more accurately tested.