67 results about "Rock tapaculo" patented technology

The invention relates to a method for ecologically restoring vegetation on the bare rock engineering wound surface, which belongs to the technical field of vegetation ecological restoration. A similarly natural mode is used to accelerate the restoration of the vegetation ecological environment and landscape. The method comprises the following steps: firstly carrying out the pretreatment on the bare rock engineering wound surface, and retaining the definite natural unevenness and fissure degree of the actual slope line (4) of the bare rock within the range from the low level control line (2) to the high level control line (3) of a designed slope line (1) under the preconditions of keeping a stable rock slope base and removing dangerous and floating stones; and by adhering to the concept of artificial guidance and natural selection, adjusting measures to the local conditions according to the geological, geomorphic and climatic conditions and different target vegetations, and adopting different processes and slurries with different components to carry out the spray sowing on the rock slope. The method has low cost and high efficiency, facilitates the retention of soil and plant seed sources, and completes at one pass the vegetation restoration which needs years of accumulation and multiple superposition of the natural force. The vegetation ecological restoration is similar to the nature, but is far quicker than the nature. The prosperous period or declining period of a single species mutation can never appear. The method is particularly suitable for the large-area application, achieves the landscape and ecological effects in the near term, the medium term and the long term, and has practical and long term significance.

The invention discloses a well-surrounding near-well-wall stratum damage evaluation method based on logging information. The method comprises the steps: calculating a rock anisotropic rigidity coefficient according to full-wave-train dipole acoustic logging information; calculating the elastic modulus, Poisson's ratio and Thomsen coefficient of the rock and the flexibility coefficient of the rock; according to the full-wave-train dipole acoustic logging information, obtaining the radial section of the acoustic velocity of the stratum around the well wall; calculating the flexibility tensor variable quantity of any position close to the well wall; and according to the flexibility tensor variable quantity of any position near the well wall, calculating dispersion damage parameters of stratum rocks at any position near the well wall. According to the method, acoustic logging is adopted to evaluate the damage characteristics of the stratum close to the well wall, the stratum is regarded as a transverse isotropic medium, and acoustic logging information is utilized to calculate and analyze rock mechanical parameters, Thomsen anisotropy coefficients and mechanical damage parameters of different lithology and different radial positions; and the method plays a very important role in ground stress evaluation, borehole wall stability analysis, hydraulic fracturing and the like.

The invention relates to an indoor rock mechanics test device, in particular to a rock Brazilian test fixture device capable of accurately controlling a layered rock splitting direction, and belongs to the technical field of geotechnical engineering. The device is composed of an upper pressing plate, a lower pressing plate, a filler strip, a baffle, a protractor, a clamping panel and a telescopicscrew. According to the rock Brazilian test fixture device capable of accurately controlling the layered rock splitting direction, the problems that in a traditional Brazilian splitting fixture device, sample centering is difficult, bedding inclination angle control is inaccurate, and splitting crack angle measurement is inconvenient are solved; the rock Brazilian test fixture device is capable ofaccurately applying the linear load to the sample, conveniently controlling the bedding inclination angle, measuring the stratified rock splitting angle, ensuring the reliability of the result and accurately controlling the stratified rock splitting direction is simple in structure, safe to operate and high in practicability, and can be universally used for assembling and testing the stratified rock Brazilian split sample.

The invention discloses a method for determining diagenesis fluid evolution history, and belongs to the field of petroleum and natural gas exploration. The method comprises the following steps: grinding a plurality of rock slices with different types at the same position of a rock sample, and obtaining the diagenesis period of each rock slice in the plurality of rock slices; selecting the multiple rock slices with different diagenesis periods for geochemical analysis to obtain diagenesis fluid information and fluid sources of the multiple rock slices; obtaining the uniform temperature of the fluid inclusion captured in the multiple rock slices with different diagenesis periods, and determining the diagenesis fluid activity time of the multiple rock slices based on the uniform temperature; and determining the diagenetic fluid evolution history embodied by the rock sample based on the diagenetic period, the diagenetic fluid information, the fluid source and the diagenetic fluid activity time. Therefore, the diagenetic fluid characteristics and diagenetic fluid evolution history of the marine carbonate rock can be simply, conveniently and accurately constructed.

The invention provides a double-structural surface direct shear test method for researching sliding type rockburst mechanism. The method comprises the following steps: manufacturing a rock sample with a square cross section; successively forming double parallel structural surface by the rock sample under a brazilian split condition; performing 3D scanning on the double parallel structural surface, thereby acquiring a three-dimensional digital model of the double parallel structural surface and calculating roughness thereof; putting the rock sample onto a shear tester, mounting an acoustic emission monitoring probe on the bottom lateral surface, and performing direct shear test on the sample under normal stress condition while monitoring an acoustic emission signal of the rock test piece; collecting the shearing time, shearing stress, shearing displacement and acoustic emission signal data in the shear test process; accordingly analyzing the sliding type rockburst mechanism of the rock sample. According to the invention, a simplified rock system with mutual effect and mutual influence of structural surface and rock is constructed in a laboratory, so that a more reliable test method can be supplied for researching, early warning for and forecasting the sliding type rockburst mechanism.

The invention discloses a construction method of a specialized garden for lithophytes in the south China. According to the construction method, specific landscape stone-Yingde stone in the south Chinais utilized, Taishan stone is assisted, the screened native specific lithophytes are combined, so that the lithophytes can truly and fixedly grow on the rock to form a 'natural, stable, stereoscopicand alternate' lithophytes landscape. The construction method can be applied and popularized to the construction of botanical gardens, specialized rock gardens, garden expos and related rock landscapeengineering.

The invention relates to a method for ecologically restoring vegetation on the bare rock engineering wound surface, which belongs to the technical field of vegetation ecological restoration. A similarly natural mode is used to accelerate the restoration of the vegetation ecological environment and landscape. The method comprises the following steps: firstly carrying out the pretreatment on the bare rock engineering wound surface, and retaining the definite natural unevenness and fissure degree of the actual slope line (4) of the bare rock within the range from the low level control line (2) to the high level control line (3) of a designed slope line (1) under the preconditions of keeping a stable rock slope base and removing dangerous and floating stones; and by adhering to the concept ofartificial guidance and natural selection, adjusting measures to the local conditions according to the geological, geomorphic and climatic conditions and different target vegetations, and adopting different processes and slurries with different components to carry out the spray sowing on the rock slope. The method has low cost and high efficiency, facilitates the retention of soil and plant seed sources, and completes at one pass the vegetation restoration which needs years of accumulation and multiple superposition of the natural force. The vegetation ecological restoration is similar to thenature, but is far quicker than the nature. The prosperous period or declining period of a single species mutation can never appear. The method is particularly suitable for the large-area application, achieves the landscape and ecological effects in the near term, the medium term and the long term, and has practical and long term significance.

The invention discloses a method for acquiring micro-scale rock elastic modulus and yield strength parameters. The method includes: using a micron-scale indenter to carry out a rock micron indentation experiment, obtaining a load-displacement curve during the loading process, and combining the indentation experiment formula to obtain the elastic modulus of the rock under different displacement conditions; carrying out micro-CT on the rock sample Scan to establish a finite element mesh model of the rock skeleton in the indentation area; use the elastic modulus obtained from the micron indentation experiment as an input parameter to simulate the rock uniaxial compression process, obtain the overall elastic modulus of the model and compare it with the core uniaxial compression experiment , determine the indentation depth RVE that effectively characterizes the micron elastic modulus of the rock; then, carry out the numerical simulation of rock sample indentation experiments under different yield strength conditions, and compare and verify the loading and unloading load-displacement curves obtained from the simulation with the indentation experiments , so as to determine the yield strength of the rock at the micron scale.

The invention discloses a rocky mountain vegetation ecological restoration method, which includes a rocky mountain body, and selects a corresponding restoration method by measuring the inclination angle of the rocky mountain body. In the present invention, planting points of drought-resistant plants are arranged on the rocky mountain, and a waterproof cloth that can reduce water loss and collect rain, snow, and dew is laid in the conical tree pit, so that the waterproof cloth can collect water as much as possible in the root of the plant to ensure the growth of vegetation Environment: By laying a straw network or a grass-filled round pipe bag between the conical tree pits, it can greatly increase the water content of the soil around the repair vegetation, reduce water loss, increase the content of humus in rock debris soil, and increase the content of microorganisms As well as tiny organisms, improving the characteristics of rocky soils and improving restoration efficiency.

The invention belongs to the technical field of rock sampling, and provides an automatic field rock sampling system and its working method, which solves the great limitations of sampling work, and at the same time, the obtained samples often have irregular shapes and small volumes that contain information. For limited problems, it has a high degree of automation and can conveniently collect rock samples in various terrain areas. Among them, the field rock automatic sampling system includes a drone and a drilling system, the drilling system is mounted on the lower part of the drone; Man-machine flight, the reaction force propeller is used to provide drilling pressure for the drilling system to sample the target rock in the dangerous zone.

A kind of CO 2 The evaluation method of the leakage risk area during the geological storage process uses the principle of sedimentary microfacies constraint, how to obtain the rock mechanical parameters of the caprock, and select a suitable fracture pressure prediction model to evaluate the mechanical sealing of the caprock, using fine geological models and numerical values. Model, applying reservoir numerical model theory, and in-depth study of CO through the established storage volume numerical model 2 Injection process until storage for 200 years to store pressure and CO in the body 2 Dynamic changes in saturation. Using the concepts of fluid potential and potential gradient in oil and gas migration theory combined with CO 2 Saturation dynamic distribution analysisCO 2 migration direction and accumulation area, and then according to the CO in the storage body 2 The migration direction and distribution characteristics of the storage body and sand body boundary are combined to conduct lateral CO 2 Leakage risk prediction; Based on the rupture pressure distribution characteristics of the caprock and the dynamic distribution characteristics of the pressure in the storage body, CO is quantitatively studied through the proposed identification formula of the caprock rupture risk area. 2 Possible leakage risk areas longitudinally along the migration path. This method is used in low permeability reservoir CO 2 It has important practical application value to achieve safe and efficient carbon sequestration during oil displacement.

The invention belongs to the technical field of thawing rocks, and discloses a method for obtaining unfrozen water content in rocks under freeze-thaw cycle conditions, and the method comprises the following steps of preparing rock column samples, and saturating the rock column samples with formation water; performing a nuclear magnetic resonance test on the rock column samples of saturated formation water to obtain a T2 spectrum curve; converting the T2 spectrum curve into a nuclear magnetic pore throat distribution curve f(r); bringing the nuclear magnetic pore throat distribution curve f(r)into an integral formula to respectively obtain the relationship curve between unfrozen water content and temperature during melting and freezing. The method for obtaining the unfrozen water content in rocks under the freeze-thaw cycle conditions provided by the invention can achieve high accuracy and high reliability, and is easy to obtain the unfrozen water content.

The invention discloses a section rock sampling device for studying biofossil belts, which comprises a base, an elevating ladder and a box body arranged on the top of the elevating ladder, and a power drive mechanism, a drilling mechanism, a sampling mechanism and a visual sensor are mounted in the box body , the base is equipped with a display controller electrically connected with the power drive mechanism, the drilling mechanism, the sampling mechanism and the navigation mechanism. The present invention can accurately sample the mountain section presenting the biofossil belt, and use a small electric drill to excavate a cylindrical rock sample on the rock, and then use the gripper of a manipulator to take it out. For chip samples, the present invention can ensure the integrity of the samples to the greatest extent, and can also obtain larger volume samples, which is more convenient for studying biological fossil belts in rocks. In a word, the rock formation sampling device of the present invention has the advantages of high flexibility, strong adaptability, and high sampling integrity.

The invention discloses a method for determining freezing-thawing damage degree of a rock in a high-altitude cold region. The method comprises the following steps: selecting a high-altitude cold region rock sample, drying the sample to a constant weight, cooling the sample, and saturating the sample with water; performing freeze-thaw cycle treatment on the water-saturated sample, measuring the gaspermeability of the sample under the same confining pressure under the same osmotic pressure after different freeze-thaw cycles, drawing a change curve of the gas permeability of the rock with different freeze-thaw cycles, and fitting the curve; defining a calculation formula of a freezing-thawing damage quantity D: D = 1 - (ki / k0),wherein k0 is the gas permeability of the sample before freezingand thawing, ki is the gas permeability of the sample after i freezing-thawing cycles, and i=1, 2, 3, 4...; and drawing a change curve of the freezing-thawing damage quantity of the rock with the number of freezing-thawing cycles, fitting the curve by a function, and determining the according to the degree of rock damages caused by any freezing-thawing cycle according to the fitting function. Themethod defines the freezing-thawing damage quantity of the rock by the gas permeability of the rock, and makes a test result accurate, scientific and reliable.

The invention provides a rock type division method and system. The rock type division method comprises the following steps of: determining a capillary pressure characteristic value of each rock according to a capillary pressure and mercury saturation relation curve of each rock; dividing the plurality of rocks into a plurality of groups according to the curve characteristic value of the capillary pressure and mercury saturation relation curve of each rock, the capillary pressure characteristic value and the core porosity; determining rock classification parameters of each group of rocks according to the core porosity and the core permeability of each group of rocks; and determining the rock type of each group of rocks according to the rock classification parameters of each group of rocks so as to quantitatively divide the rock types. The rock type division method and system are high in operability, and point out a direction for the next efficient development of the carbonate rock oil and gas field.

The invention relates to an all-in-one machine suitable for rock true triaxial, dry-wet cycle, and acoustic emission tests, including: a test accommodation mechanism, a top lifting mechanism, a lateral telescopic mechanism, a bottom lifting mechanism, an acoustic emission mechanism, and a test accommodation mechanism Including base, bracket, barrel-shaped reaction force thick wall, oven cover, top axial pressure plate, bottom axial pressure plate, several lateral axial pressure plates, top lifting mechanism is fixed with oven cover, top axial pressure plate, lateral The telescopic mechanism is fixed to the lateral axial pressure plate, the bottom lifting mechanism is fixed to the bottom axial pressure plate, and the acoustic emission mechanism is arranged on the bottom lifting mechanism, and sends sound waves into the accommodating space. The invention realizes the fixing of the rock in the three-axis direction, can simulate the dry-wet cycle, detects the rock, and is helpful for geological research.

The invention relates to a method for excavating or inserting cavities in mountains, in which method the cavities (2) are melted frontally by means of an electric plasma generator. In order to generate in such a method an energy density sufficient to completely or partially vaporize the existing rock on the front of the cavity (2), the invention proposes that a thermal protection shield (4) is arranged directly on the front of the cavity (2), which heat The protective cover and the front face of the cavity (2) form a dynamic pressure chamber (7), in which the temperature is adjusted to be higher than 2000°C by heating with a plasma generator (8) at a pressure greater than 2 bar. This energy supply is sufficient to melt, completely or partially vaporize and expel the rock located in front of the cavity (2) from the cavity (2).

The invention relates to a production method of healthy drinking water, which comprises (1) setting up a ditch on the hillside, setting a creek trough without a top along the trough, and laying tourmaline and tourmaline-like sand on the bottom of the trough; Rocks, so that when the water flows through, small waterfalls and flat streams are formed like mountain streams; (2) On the hillside, plants that are harmless to the soil and water are planted to form a forest environment, and the forest environment will not block the sunlight at the creek; (3) Flow pure water into the creek, so that the water flows through the entire creek for no less than 20 minutes; (4) Filter and sterilize the water flowing out of the creek in order to obtain healthy drinking water. The drinking water obtained in the invention meets people's requirements on the health quality of drinking water. At the same time, the invention has strong applicability, can be implemented all over the country, can be produced on a large scale, has a wide range of water sources and low cost, has great prospects for popularization and application, and fundamentally solves the problems of drinking water safety and drinking water health.

The invention discloses a method for constructing failure criteria of rocks under triaxial compression conditions, comprising the following steps: S1. In view of the fact that the linear Mohr-Coulomb criterion overestimates the peak strength of the low confining pressure section and cannot characterize the rock failure characteristics of the high confining pressure section For the problem of linear characteristics, a new intermediate variable S2 is constructed based on the Mohr-Coulomb criterion and the internal friction angle φ. 3 Reasonable functional expressions for changes; S3. Bring intermediate variables into the Mohr-Coulomb criterion, and obtain a new empirical failure criterion expression for conventional triaxial compression analysis of rocks through parameter substitution; S4. Adopt a variety of rocks The test data of the present invention verifies the criteria established by the present invention, and proves the superiority of the criteria established by the present invention by comparing with the existing five common criteria.

A method of predicting model parameters (R1, R2, R3, . . . ) of a geological formation under investigation, wherein said geological formation is distinguished by reservoir parameters including observable data parameters and the model parameters (R1, R2, R3, . . . ) to be predicted, comprises the steps of calculating at least one model constraint (M1, M2, M3, . . . ) of the model parameters (R1, R2, R3, . . . ) by applying at least one rock physics model (f1, f2, f3, . . . ) on the model parameters (R1, R2, R3, . . . ), said at least one model constraint (M1, M2, M3, . . . ) including modelled data of at least one of the data parameters, and applying an inverse model solver process on observed input data (d1, d2, d3, . . . ) of at least one of the data parameters, including calculating predicted model parameters, which comprise values of the model parameters (R1, R2, R3, . . . ) which give a mutual matching of the input data and the modelled data, wherein the modelled data are provided with probability distribution functions, the inverse model solver process is conducted based on the probability distribution functions, wherein multiple predicted values of the model parameters are obtained comprising values of the model parameters (R1, R2, R3, . . . ) which give the mutual matching of the input data and the modelled data, and model probabilities of the predicted model parameters are calculated in dependency on the probability distribution functions.

The invention discloses a method for automatic identification and classification of rock lithology in a deep learning mode, which is used to analyze rock lithology in geological engineering, comprising the following steps: step A, collecting different types of rock images according to the required rock types, And divide it into a training set and a test set; Step B, use the convolutional neural network Inception‑v3 model as a pre-training model, and use its feature extraction model to obtain image features; Step C, establish a Softmax regression model; Step D, train rock Image automatic recognition and classification model; Step E, testing the rock image automatic recognition and classification model. The invention can automatically and intelligently analyze the geological conditions in engineering by establishing an automatic recognition and classification model of rock images, greatly saving manpower and material resources, and reducing costs.

A Wireless Slide Fence utilizing signal reflection technology to detect rockslides and can determine the size and location of fallen rocks / objects impeding travel along a train track is presented. The present disclosure solves the technological problem of determining rock size and location to validate rockslide / fall alarms to reduce false alarms, while minimizing repairs required by conventional systems through the use of obstacle detection units and vital logic controllers. The present disclosure improves the performance of the system by, generating validated alarms when fallen rocks / objects satisfy the size criteria and are located in an area hazardous to train operations. In one exemplary embodiment, a loitering time can be implemented to validate object detections to reduce false positives due to transient objects such as migrating animals.