129 results about "Volcanic rock" patented technology

The invention relates to the technical field of land treatment, in particular to an organic fertilizer for improving the soil fertility of a sand land. Comprising the following raw materials in parts by weight: 3-12 parts of a microbial agent, 20-50 parts of volcanic rock, 5-12 parts of an additive, 32-45 parts of sodium bentonite, 12-18 parts of a functional agent, 5-25 parts of a modifier and 15-32 parts of a water retention material. By increasing organic matters in the soil, the viscosity of the soil is improved, the air permeability, water retention and permeability of the soil are improved, the formation of a soil aggregate structure is promoted, and the water and fertilizer retention capability of the sand soil is improved.

The invention discloses a lithology generality joint feature classification model construction method, which relates to the technical field of intelligent geological prospecting, introduces a cross-scale feature alignment mechanism, and utilizes scale transformation factors to dynamically match the resolutions of macroscopic, mesoscopic and microscopic features, thereby avoiding feature distortion caused by direct fusion; for example, in a volcanic rock and sedimentary rock mixed area, rough texture of a remote sensing image originally conflicts with smooth response of a logging curve, but through alignment processing, the model can automatically balance credibility of different data sources, and misjudgment is reduced; inter-scale dependence modeling is further enhanced through introduction of the feature association graph, vertical sequence association of a thin interbed is captured through a graph structure, the boundary of a millimeter-level thin layer is made clear, and the problem of fuzziness caused by neglecting of interlayer interaction in an existing scheme is solved.

The invention discloses a fly ash-based admixture and a preparation method thereof, and belongs to the technical field of building materials. The fly ash is used as a main body and cooperates with the slag, the steel slag and the volcanic rock powder, so that the utilization rate of industrial solid wastes is remarkably increased, the cement consumption is reduced, the hydration heat of the concrete is reduced, temperature cracks of mass concrete can be effectively inhibited, and meanwhile, the introduction of the volcanic rock powder further supplements active silicon-aluminum components, enhances the volcanic ash effect and improves the later strength; by introducing gypsum, the setting time can be adjusted, a sulfate excitation environment is provided, an early hydration reaction of a fly ash system is promoted, the problem that a traditional admixture is low in early strength is solved, concrete pores are filled through the micro-aggregate effect of the fly ash-based admixture, the structure is denser, and anti-permeability and mechanical properties are improved.

The invention relates to the technical field of environmental engineering, in particular to a filler-replaceable artificial ecological wetland system and a construction method, and the filler-replaceable artificial ecological wetland system comprises modular filler units, a filler replacement track system, a water level control system, a biological membrane protection system, a monitoring feedback system and an intelligent control system. According to the artificial ecological wetland system capable of replacing the filler and the construction method, the modular filler units are filled with volcanic rock and activated carbon composite functional filler, and rapid replacement is achieved through the track system; the monitoring feedback system collects data such as permeability coefficient and pollutant concentration in real time, the intelligent control system generates a replacement instruction based on a machine learning algorithm, and the biological membrane protection system is combined to ensure the microbial activity in the replacement process, so that the problems of difficult replacement and fast treatment efficiency attenuation of traditional wetland filler are solved; the method is suitable for the scenes of urban sewage advanced treatment, rural non-point source pollution treatment and the like, and provides technical support for efficient and stable operation of the constructed wetland.

The invention provides a volcanic rock matrix-fracture dual-medium type oil reservoir oil layer evaluation method and system, and belongs to the technical field of geological engineering, oil reservoir processes and well logging interpretation. According to the method, a matrix porosity calculation chart is established through core scale logging, crack pores are added into an Archie sandstone conductive model to serve as conductive channels, the crack porosity is deduced, and finally, the matrix pores, the crack pores, the oil saturation and an oil testing result are combined to obtain the conductivity of the Archie sandstone. And the quantitative distinguishing method for the matrix-fractured dual-medium oil and gas reservoir oil layer is formed. According to the method, the gap of simultaneous research of the matrix and the crack is filled, the oil layer recognition precision is improved, the judgment standard is more strict and more reasonable, and the reliability is high.

The application discloses a low-carbon-source denitrification method, and belongs to the technical field of sewage treatment. The method comprises the following steps: mixing FeSO4 and FeCl3 solutions; adjusting the pH value of the mixed solution to 10-12 to generate iron oxide precipitate; mixing the iron oxide precipitate with volcanic rock at a weight ratio of 100:1, and heating and drying the mixture at 200-300 DEG C to prepare a biological carrier; using the prepared biological carrier to treat effluent from a biochemical secondary sedimentation tank in a treatment unit; performing backwashing after the treatment unit is operated for 3-7 days; controlling the DO concentration of incoming water to be not more than 1 mg / L; when the DO concentration of the incoming water is more than 1 mg / L, reducing the aeration amount of the upstream or increasing the HRT of the treatment unit; and when the DO concentration of the incoming water is not higher than 1 mg / L, controlling the HRT of the system to be not more than 40 min. The method is mainly used for efficiently treating low-carbon-source sewage, improving the denitrification efficiency and reducing the treatment cost.

The invention relates to a reservoir prediction optimization method and system based on a buried hill volcanic rock core test. The method comprises the following steps: S1, performing ultrasonic active source detection on a volcanic rock sample through an annular observation system to obtain actually measured travel time and a ray path; and S2, theoretical travel time and a ray path are calculated based on the initial speed model, iterative updating is carried out on the initial speed model based on a preset inversion method until the theoretical travel time and the ray path are consistent with the actually measured travel time and the ray path, model iteration is completed, the model is output, and the output model is the speed structure in the volcanic rock sample. And S3, establishing a rock physical model according to the speed structure and the core pores. And S4, calculating according to the rock physical model to obtain a rock physical interpretation quantity version related to the dessert parameters, and performing engineering and geological dessert parameter prediction by using pre-stack seismic data. According to the method, the key parameters of the buried hill volcanic reservoir can be effectively predicted through accurate rock physical modeling.

This utility model belongs to the field of ecological restoration technology, specifically relating to an ecological filtration pond for aquatic ecological restoration. It includes a filtration pond with a partition fixedly connected to its inner wall. The partition is lower than the height of the filtration pond. The left side of the partition is a physical adsorption chamber, and the right side is a sedimentation chamber. The physical adsorption chamber is equipped with a storage mesh frame filled with volcanic rock. A landscape stone is laid on top of the storage mesh frame, and a planting trough is pre-reserved on top of the landscape stone, with a planting frame installed in the planting trough. Activated carbon granules are laid in the sedimentation chamber. A hollow step is fixedly connected to the left side wall of the filtration pond, and a water pump is installed within the step. This utility model can adsorb and purify impurities through physical adsorption, and further purify them by combining green planting and biological action. Furthermore, the green plants and adsorption materials are easy to remove and replace, effectively reducing water turbidity and improving purification efficiency.

The invention discloses a volcanic rock lithology identification method based on latent attribute characterization and Bayesian inference. According to the method, volcanic rock core / rock debris slice identification and related geochemical data are taken as calibration basis, multiple groups of logging curves sensitive to the lithologic characteristics of volcanic rock are preferably selected, and quality control and normalization processing are carried out; the method comprises the following steps: learning from a multi-logging curve through an encoder-decoder to obtain a group of mutually decoupled latent attribute representations, and respectively constructing a silicon dioxide content Bayesian classification model and a volcanic rock cause Bayesian classification model by taking the latent attributes as input; the probability prediction based on the silicon dioxide content range (basic / neutral / acidic) and the volcanic rock cause type is realized, the two prediction results are combined, and finally the volcanic rock lithology of the corresponding well section is determined. Meanwhile, the quantitative output uncertainty is used for multi-solution risk prompt, so that the accuracy, the stability and the credibility of a prediction result are improved.

The present application relates to the field of fabric production, in particular to a production process of volcanic rock heating fabric, a production process of volcanic rock heating fabric, wherein the grey cloth pretreatment includes a feeding roller and a winding roller for conveying the base cloth, a selvedge processing mechanism is arranged between the feeding roller and the winding roller and located on both sides of the base cloth, base platforms are arranged on both sides of the base cloth along the edge direction thereof for mounting the corresponding selvedge processing mechanism, the selvedge processing mechanism includes an air knife sprayer and a blocking component for preventing the trimmed lint from adhering to the surface of the base cloth, the blocking component and the base platform form a temporary space for the selvedge to pass through and be processed, in the process of trimming the selvedge of the base cloth, the blocking component limits the trimmed lint in the temporary space, prevents the lint from adhering to the surface of the base cloth, avoids the selvedge of the base cloth being hooked and torn in the subsequent steps, and improves the production efficiency and the production quality of the final fabric.

This invention discloses a high-elasticity modulus concrete and its preparation method. The high-elasticity modulus concrete comprises, by weight, cementitious materials: volcanic rock: river sand: water: water-reducing agent in a ratio of 575:990:755:115:(20-22). The cementitious materials, by weight, comprise: cement: fly ash: silica fume in a ratio of (375-435):85:55. This invention utilizes volcanic rock as coarse aggregate to construct a rigid skeleton, and incorporates cementitious materials to leverage their synergistic physical filling and volcanic ash effect, optimizing the matrix density and interfacial transition zone structure. Combined with ultrasonic-assisted mixing, it achieves uniform dispersion and efficient hydration of fine materials. This concrete exhibits high compressive strength and high elastic modulus, demonstrates low shrinkage and creep characteristics, good volume stability, and excellent durability. It is suitable for high-rise and super high-rise buildings and large-span structural engineering, significantly improving structural stiffness, saving building materials, and increasing usable space utilization.

Method for manufacturing composite cement, wherein a supplementary cementitious material is obtained from a marine sediment deposit fed by erosion of volcanic rock to form sedimented pozzolan by dredging the sediment deposit, dewatering the dredged sedimented pozzolan to a water content of below 20 wt.-% with respect to the total weight of sedimented pozzolan and water, washing the sedimented pozzolan with fresh water to a chloride content below 0.2 wt.-% with respect to the total solids, and drying to provide the supplementary cementitious material, and mixing the supplementary cementitious material with a hydraulic cement to provide the composite cement, as well as use of the obtained supplementary cementitious material for making composite cements and supplementary cementitious material and composite cement obtainable by the method or use.

1. Name of the designed product: combined rice packaging box (volcanic rock) 2. Use of the designed product: outer packaging design for protecting rice 3. Design points of the designed product: combination of patterns and colors 4. Picture or photo best indicating the design points: combined state Figure 1 5. The designed product contains colors 6. Other circumstances that need to be explained: in the designed product, packaging box set 1 is placed side by side with packaging box set 2; packaging box set 2 is placed side by side with packaging box set 3.

The application discloses a preparation method of imitation volcanic stone foamed ceramic, which comprises the following steps: (1) preparing foamed ceramic powder: after a known foamed ceramic base material taking silicon carbide as a foaming agent is prepared into a base powder through ball milling and spray granulation, a pore-forming material is added and uniformly mixed, the mass ratio of the base powder to the pore-forming material is 70-85:15-30, and the particle size range of the pore-forming material is 6-30 meshes; (2) spreading the foamed ceramic powder according to a preset thickness in a refractory kiln, and scraping; (3) sending into a kiln for firing, the firing temperature is 1160-1170 DEG C, and the firing period is 8-13.5 h; (4) removing the refractory kiln after cooling out of the kiln, and thus imitation volcanic stone foamed ceramic is obtained. In step (1), the content of silicon carbide in the pore-forming material is greater than the content of silicon carbide in the foamed ceramic base material. The foamed ceramic after firing can form an imitation volcanic stone decorative effect with pores of different sizes.

The invention belongs to the technical field of oil exploration and development, and discloses a method for identifying volcanic rock weathering crust and interior periods based on multiple seismic attributes, which comprises the following steps: determining a logging chart division boundary; a seismic data volume corresponding to the logging data is read, a cross plot is drawn, and a seismic data volume correction formula is obtained through linear fitting; correcting the seismic data volume of the research area; dividing the corrected data volume through a logging plate division boundary to obtain a first probability volume P1; determining an impedance plate division boundary; performing inversion to obtain an inversion resistance body; dividing the inversion impedance body according to an impedance plate division boundary to obtain a second probability body P2; performing weighted calculation on the P1 and the P2 to obtain a volcanic rock interior period identification parameter body P3; and establishing a recognition plate by using the P3, and determining a division boundary of the recognition plate to obtain a volcanic rock interior period recognition probability body P4. According to the method, well-seismic data unification is realized, and the weathering crust and the inner curtain period can be effectively identified in combination with an impedance inversion data body prediction result.

The invention relates to the technical field of environmental sludge treatment, in particular to sediment environment in-situ remediation particles and a preparation method thereof. The soil conditioner is prepared from the following raw materials: zeolite powder, volcanic rock powder, bentonite, silica sol, a functional component loaded precursor and bacillus spore powder. The sediment in-situ remediation particles are of a core-shell structure, activated zeolite-volcanic rock serves as an inner core to construct a porous framework, Fe / Mn and Mg / Ca loading sites are combined, pollutant adsorption, fixation and passivation are achieved, the sediment microenvironment is improved, conditions are created for outer-layer bacillus bioremediation, and space-time synergy of physicochemical and bioremediation is formed; a preparation route of curing nucleation and then low-temperature coating is adopted, the contradiction between mineral roasting and microorganism temperature intolerance is solved, the spore activity is guaranteed, and the loss resistance of the spore is improved.

The invention discloses a volcanic rock gas-bearing prediction method, electronic equipment, a storage medium and a device. The method comprises the steps that a training set and a verification set are established based on logging curves of multiple wells; constructing a gas-bearing prediction model based on an LASSO algorithm; training a gas-bearing prediction model based on the training set; verifying the trained gas-bearing prediction model based on the verification set; and carrying out volcanic rock gas-bearing prediction based on the verified gas-bearing prediction model. According to the method, the relationship between the gas-bearing interpretation result and the lithofacies and conventional logging curve is established according to the existing logging curve through the LASSO algorithm, lithofacies constraint is added during gas-bearing prediction, man-made interference is reduced, lithofacies information is added during prediction, and the accuracy of gas-bearing prediction is effectively improved.

A self-defense glove device is provided. The device is comprised of a glove configured to enhance user protection and enable physical engagement during high-risk encounters. The glove body is comprised of at least one volcanic rock pad that is affixed or embedded within the body at locations such as the knuckle area or dorsal hand region. The pads are composed of naturally flexible volcanic stone or synthetic composites incorporating pulverized volcanic material with pliable binders. The pads may be encapsulated in a polymeric matrix to maintain integrity under repeated impact. The device further comprises a fastening mechanism that may be further comprised of a padding to ensure wrist retention and comfort. An exterior abrasive coating may be further applied to specific areas of the outer surface of the body, forming a textured surface for increased friction and offensive contact.

The invention provides a lithology identification method based on conventional logging information. The lithology identification method comprises the following steps: S1, acquiring an interval transit time AC curve, a stratum density DEN curve and a natural gamma GR curve in a conventional logging sequence of a target well; s2, a wave impedance IMP curve is obtained through calculation by means of the interval transit time AC curve and the stratum density DEN curve; s3, generating a combined curve of wave impedance IMP and natural gamma GR; s4, based on a preset lithology discrimination standard, performing quantitative lithology identification according to the combined curve to obtain a quantitative lithology identification result; and S5, generating a lithologic section of the target well according to a lithologic quantitative identification result. The method is easy to operate, data are easy to obtain, the lithology of sandstone, mudstone and volcanic rock can be rapidly and accurately recognized, feasibility and credibility are high, and a scientific lithology recognition means is provided for exploration and development technicians.

This invention discloses a fly ash-based admixture and its preparation method, belonging to the field of building materials technology. This invention uses fly ash as the main component, in conjunction with slag, steel slag, and volcanic rock powder, significantly improving the utilization rate of industrial solid waste and reducing cement usage, lowering the heat of hydration in concrete, and effectively suppressing temperature cracks in large-volume concrete. Simultaneously, the introduction of volcanic rock powder further supplements the active silica-alumina components, enhancing the pozzolanic effect and improving later-stage strength. The introduction of gypsum can regulate setting time and provide a sulfate-activating environment, promoting the early hydration reaction of the fly ash system and solving the problem of low early-stage strength in traditional admixtures. The "micro-aggregate effect" of the fly ash-based admixture of this invention fills the pores of concrete, making the structure denser and improving impermeability and mechanical properties.

The present application relates to coal chemical wastewater treatment technical field, specifically to a kind of coal chemical wastewater fluorine and hardness removal technology pellet directional induction seed, the pellet directional induction seed, including following weight parts components: quartz sand 100-200 parts, cement 20-30 parts, fluorapatite 75-100 parts, composite modified volcanic rock 35-50 parts, zeolite powder 60-80 parts.The pellet directional induction seed obtained in the present application is composed of quartz sand, cement, fluorapatite, composite modified volcanic rock and zeolite powder, wherein the composite modified volcanic rock can make calcium, magnesium and other metal ions crystallize and form crystals by adsorption, and can limit the flow of crystals, thereby achieving efficient removal of metal ions in wastewater, zeolite powder has porous structure and mobile point on the surface, and by dynamic adsorption, fluorine ions are linked together to form a network and then crystallize and precipitate, and through the cooperation of each component, fluorine and hardness removal of wastewater can be efficiently achieved.

The utility model discloses a device for underwater laying reynolds protective pad, include: outer frame, be square, four corners are provided with lifting lug, the left side plate bottom of outer frame is equipped with a plurality of first vertical board, is provided with first jack on the first vertical board, the right side plate bottom of outer frame is equipped with a plurality of second vertical board, is provided with second jack on the second vertical board, bearing rod is equipped with a plurality of, each bearing rod is slidably arranged in first jack and second jack, and one end is equipped with connecting through -hole, steel wire rope is equipped with a plurality of, is connected to each bearing rod respectively, pulling device is used for pulling steel wire rope, the utility model discloses through the pre -setting one outer frame, is used for containing reynolds protective pad, so that in the hoisting process, with outer frame replaces reynolds protective pad as hoisting force structure, avoids the prior art with reynolds protective pad as hoisting force structure, makes the displacement of volcanic rock due to hoisting.

The application discloses a qualitative identification method for thin-layer mudstone interlayer in volcanic rock, which comprises the following steps: firstly, determining a mudstone section stably existing in the whole area through core observation and logging data, and taking the mudstone section as a standard section; secondly, selecting three curves (a neutron logging curve, an acoustic time difference logging curve and a density logging curve) responding best to the mudstone, standardizing logging curves of the standard section and the volcanic rock section in the whole area, and determining the peak value and the distribution range of the logging curves; selecting sample points with the best effect in the mudstone section and the volcanic rock section, taking the acoustic time difference logging curve as the horizontal coordinate, and taking the neutron logging curve and the density logging curve as the vertical coordinate respectively to establish a logging interpretation chart, qualitatively determining the identification standard of the mudstone and the igneous rock, and predicting the mudstone interlayer in the volcanic rock in a single well according to the chart. The application solves the problem of qualitative identification of the thin-layer mudstone interlayer in the volcanic rock, and provides reliable technical support for the analysis of the remaining oil potential of the igneous rock.

The invention discloses a low-water-absorption high-strength porous pelelith lightweight aggregate and a preparation method thereof, and relates to the technical field of artificial lightweight aggregates for building materials. Porous pelelith particles are used as a porous core part, and low-melting-point glass powder, plant ash, fly ash, coal gangue, fluorite and the like are used as surface coating raw materials. The preparation method comprises the following steps: shaping porous pelelith particles, weighing and homogenizing coating raw materials in proportion to obtain composite powder, uniformly coating the surfaces of the shaped porous pelelith particles with the composite powder by using a granulator, fully drying, sintering, and finally cooling along with a furnace. The lightweight aggregate has the advantages of low water absorption rate, high cylinder compressive strength and the like, and can meet the performance requirements of the lightweight aggregate for concrete; meanwhile, the adopted coating raw materials are mainly various solid low-melting-point materials or low-cost materials, and the resource utilization scene of the solid low-melting-point materials can be further expanded; and the heat treatment temperature is as low as 250 DEG C, so that the energy-saving effect is obvious.

The invention belongs to the technical field of plant cultivation, and particularly relates to a cultivation medium for citrus potting and a preparation method thereof. The culture medium for citrus potting comprises the following components in percentage by volume: 20%-30% of sandstone, 25%-35% of humus soil, 15%-25% of red soil, 5%-10% of decomposed mushroom dregs and 10%-20% of volcanic rock. According to the citrus potting culture medium, the gravel, the volcanic rock, the humus soil and the red soil are scientifically proportioned, on one hand, the gravel forms a drainage main channel, volcanic rock micropores adsorb moisture and air, and the humus soil and the red soil form water retention aggregates, so that a rhizosphere environment with high air permeability, water permeability and water and fertilizer retention is created, and accumulated water hardening and rapid water loss are avoided; meanwhile, the red soil stabilizes pH and provides mineral elements, and quick-acting and long-acting nutrient supply is achieved through the decomposed mushroom residues and the humus soil; on the other hand, gravels and volcanic rocks are used as frameworks, humus soil and red soil are used as fillers, the stable structure of the matrix is guaranteed, and oranges are prevented from lodging due to overweight fruit bearing.

The invention discloses a longitudinal and transverse wave VSP-based segmented amplitude attenuation factor calculation method and system and a medium, and relates to the technical field of geophysical exploration and rock physics analys.The method is improved on the basis of a traditional amplitude attenuation factor calculation method, a segmented geologic model of a target area is constructed based on a strong reflection interface, longitudinal wave and transverse wave zero offset VSP data is utilized, and the seismic data of the target area is calculated. The geological amplitude attenuation factor of each layer section of the layered medium is obtained through longitudinal and transverse wave joint inversion and segmented quantification, accurate compensation of stratum amplitude attenuation under strong reflection shielding of a coal seam, a volcanic rock layer and the like is achieved, and more reliable parameters are provided for solving the problems of data distortion and the like caused by shielding effects below strong reflection in ground seismic data processing. The obtained amplitude attenuation factor can be directly used for guiding fidelity processing and high-resolution imaging of ground seismic data, and signal recovery and imaging quality of deep and hidden reservoirs are remarkably improved, so that a more reliable geophysical basis is provided for subsequent fine description of the reservoirs and fluid detection.

The present application relates to a kind of preparation methods for different characteristic Mars weathered layer simulation object, comprising: obtaining the chemical element information of real Mars weathered layer, selecting the brown red volcanic rock with approximate chemical characteristics as raw material and drying;The dry raw material is pulverized, classified and screened, and a plurality of particle size components are obtained;Design different types of target particle size grading, to simulate the typical mechanical properties of different regions on the surface of Mars, each grading can be used as dry state regolith sample.Add water or salt solution to dry state regolith sample, and form frozen sample by low temperature, to simulate high latitude or shallow ice frozen environment on Mars.In addition, secondary mineral powder can also be added to simulate the surface environment of Mars after acidification or salinization weathering, to realize more complex chemical characteristics demand.The present application is simple in process, suitable for mass production, and the simulation object and Mars weathered layer have good correspondence in chemical composition, physical and mechanical properties, and simulation regolith can be produced to cope with various working conditions.

The invention relates to the technical field of building materials, in particular to a solid-waste-based light high-toughness concrete cover plate and a preparation method thereof.Fly ash microbeads, red mud, volcanic rock powder and carbide slag are matched to serve as a cementing material, red brick particle coarse aggregate serves as aggregate, and a flexibilizer is added, so that the toughness of the cover plate is improved while the water permeability is reduced; and a water reducing agent and redispersible latex powder are added as auxiliaries, so that a high-added-value building material product with high breaking strength, moderate compressive strength, high water permeation speed, high solid waste utilization rate and good environmental benefits is prepared.

The invention discloses volcanic rock core splitting equipment, and belongs to the technical field of volcanic rock core splitting. The volcanic rock core splitting equipment comprises a lifting type cutting assembly used for carrying out core splitting on a volcanic rock sample, a clamping assembly used for fixing the volcanic rock sample and a moving assembly used for moving the clamping assembly, the clamping assembly comprises two sets of clamping parts used for clamping the volcanic rock sample, the two sets of clamping parts are oppositely arranged, and the clamping parts are arranged on the lifting type cutting assembly. The bottom parts of the two groups of clamping parts are hinged, and the driving assembly is used for controlling the opening and closing of the two groups of clamping parts; according to the invention, through the arrangement of the two groups of clamping parts, the two ends of a sample can be clamped and fixed, and the driving assembly is matched in the cutting process, so that the occurrence of saw blade clamping can be reduced, and the occurrence of saw blade clamping can be reduced while the sample is fixed; therefore, the problem that in the prior art, in the volcanic rock sample core splitting process, a sample fixing mode is prone to being clamped by a saw blade is solved.

The invention relates to an evaluation method of a broken basin volcanic rock reservoir, and belongs to the technical field of physical exploration. Determining the parameter value of the lower limit of the reservoir through the relationship between the pore throat radius distribution and the mercury injection displacement pressure; constructing a geologic function related to the porosity, the gas saturation and the permeability; and integrating the reservoir average pore throat radius, the comprehensive evaluation parameters, the porosity and the permeability, and establishing a reservoir comprehensive grading evaluation standard. Based on well drilling logging data and seismic data, a geological basis is provided for work such as evaluation, exploration and development deployment of a favorable area of the volcanic gas reservoir.