73 results about "Unconformity" patented technology

The invention provides a palaeogeomorphic restoration method and apparatus. The method comprises the steps of establishing a sequence isochronous stratigraphic framework of a target stratum; determining an overlying stratum marker surface of the target stratum in the sequence isochronous stratigraphic framework; based on the position of the overlying stratum marker surface, determining an underlying stratum reference surface in the target stratum; according to a first thickness value between the overlying stratum marker surface and the underlying stratum reference surface as well as a pre-obtained second thickness value between the overlying stratum marker surface and a palaeogeomorphic unconformity surface, determining a palaeogeomorphic value; and based on the palaeogeomorphic value and a palaeogeomorphic value obtained previously according to earthquake data of the target stratum, restoring a paleogeomorphy of an unconformity surface of a weathered crust of the target stratum. According to the palaeogeomorphic restoration method and apparatus provided by embodiments of the invention, the defects in palaeogeomorphic restoration in the prior art can be solved, so that the palaeogeomorphic restoration precision is improved.

The invention relates to a physical simulation system of the oil gas migration preferred direction of an unconformity structure body and an experimental method thereof. The physical simulation system comprises a simulation subsystem and an injection subsystem which are connected through a connection subsystem, wherein the simulation subsystem comprises a base and a simulator; the simulator is arranged on the base; a gap is formed between the simulator and the base; the base is connected with the connection subsystem; the simulator is a transparent container with the longitudinal section in a U shape; and the cross section of the simulator comprises a plate-shaped part, a groove-shaped part and a ridge-shaped part. The physical simulation system disclosed by the invention is mainly used for revealing the oil gas migration preferred direction of the unconformity structure body and directing the exploration of stratigraphic oil gas deposits by revealing the deposit control action mechanism of the unconformity structure body by changing experiment conditions according to different geological backgrounds, adopts a 360-degree totally transparent design on appearance, three-dimensionally observes the migration state of oil gas deposits in the unconformity structure body in real time and researches the influence factors of the migration of oil gases along the unconformity structure body by changing a tilt angle, a quartz sand grain size, oil injection pressure, and the like.

The invention discloses an identification method and system for a complex basin edge super-stripped belt subtle trap boundary. The identification method includes the following steps that firstly, structural features of a plane of unconformity are analyzed and defined with data of earthquakes, well drilling, well measuring, well logging and the like as the basis; secondly, a geologic model is designed, forward modeling of earthquake responses is conducted, instantaneous phase earthquake attributes are extracted along the stratum, and a stratum super-stripped line for earthquake identification is depicted; thirdly, a geologic model capable of reflecting the super-stripped concept of the stratum is selected, earthquake forward modeling is conducted, and main factors affecting an error distance are defined; fourthly, an error distance formula under the stratum super-stripped condition is established; fifthly, the stratum subtle strap boundary is described according to the stratum super-stripped line and the error distance for the earthquake attribute identification. According to the identification method and system for the complex basin edge super-stripped belt subtle trap boundary, the position of the super-stripped line for earthquake identification can be accurately described, the subtle trap boundary is quantitatively identified based on an extrapolation formula built through multi-model forward modeling, an oil-gas accumulation boundary can be easily and accurately determined, and the oil exploration risk can be effectively lowered.

The invention discloses an unconformity strong-reflection self-adaptive separation method based on matching pursuit. Firstly seismic data is leveled along an unconformity layer interpretation result, and overlapped to acquire an overlapped seismic trace, phase and frequency at the maximum instantaneous amplitude are selected through calculating by using three instantaneous attributes, and a waveform width parameter is scanned, so that the best matched atom is acquired. A spectral factorization method is introduced, the best waveform atom is acquired by matching pursuit to be mutually correlated with original seismic records, strong reflection is information is extracted and separated from the original seismic records, and thus the seismic records highlighting effective reflection of reservoirs are acquired. The method provided by the invention is high in computation efficiency and strong in stability, and provides an effective data base for subsequent reservoir prediction and fluid identification based on prestack seismic inversion.

The invention discloses a stratum structure self-adaption median filtering method. The method comprises the steps of: 1, calculating a gradient structure tensor; 2, calculating a stratum lateral incontinuity measurement; 3, structuring a structure self-adaption median filtering device; and 4, performing structure self-adaption median filtering and processing. By utilizing the method, earthquake random noise and part coherent noise can be effectively attenuated, and stratum edge and detailed structure characteristics such as effective signals, geologic faults and amplitude abnormalities can be maintained in a filtering process; the algorithm of the technical scheme is easy to realize and has good operability; and moreover, a selection problem of a median filtering processing window size is avoided, the method meets the requirements of the median filtering processing of complicated signals, for data areas with good event extension, the filtering performance of the median filtering device is improved through adaptively controlling the direction characteristics of a filtering window, and for areas with geologic faults and angular unconformity, the maintaining performance of the median filtering device to stratum edge structures such as the geologic faults is improved through adaptively adjusting the size of the filtering window.

An integral high-temperature bending strength experimental method and a device of self-adhesive transposition wire belong to the field of transformer technology for solving the experimental problems of bending strength at operation temperature. The technical scheme is characterized in that the method can acquire the test results at different temperatures and can calculate the ratio through sample preparation, bending strength experiment, experimental data arrangement, etc. by using the experimental device consisting of a test mechanism and an oil bath tank. The invention can obtain the integral bending strength data of a self-adhesive transposition wire at the operation temperature of a transformer, and the data can objectively and accurately represent the performance characteristics of thermal-bonded enameled wire under operation state, thus providing direct experiment verification of the actual effect of the self-adhesive transposition wire in the transformer, obviating error caused by the unconformity between conventional detection data and actual data and providing accurate basis for transformer design.

The invention belongs to the technical field of uranium deposit prospecting, and provides a sedimentary basin oil and gas strong reduction action zone sandstone type uranium deposit prospecting model establishing method which fully integrates the oil and gas reduction action, interlayer oxidation, the plane of unconformity, fracturing, sand bodies and other geological actions and geological units, discloses all the geological actions and the relationship thereof and determines a prospecting target for the sedimentary basin oil and gas strong reduction action zone. The method comprises the following steps that step one, a target layer is determined; step two, the oil and gas reduction action distribution range is delimitated; step three, time of the plane of unconformity is determined; step four, time Th of the oil and gas reduction action is determined; step five, the uranium mineralization type is determined; and step six, the prospecting model is established.

The invention discloses a sectional type ground temperature gradient fitting method based on a stratigraphic unconformity surface. The method comprises the steps of: 1) determining the distribution and burial depth of the stratigraphic unconformity surface, obtaining temperature measurement data, and drawing a ground temperature curve with the temperature and the burial depth respectively serving as a transverse coordinate and a longitudinal coordinate; 2) in the range of 0-100 m downward from the stratigraphic unconformity surface, selecting the most bending part of the ground temperature curve as a ground temperature gradient critical surface, and dividing the ground temperature curve into an upper cure and a lower curve; 3) carrying out linear fitting respectively on temperature measurement data corresponding to the upper curve and the lower curve, and obtaining an upper straight line and a lower straight line, wherein the gradients thereof are respectively the ground temperature gradients of a shallow stratum and a deep stratum and reflect the practical ground temperature field of a temperature measurement well area. The method is characterized in that according to the development characteristics of stratums in different areas, the ground temperature gradients above and below the ground temperature gradient critical surface are independently fitted, so that the ground temperature gradients of upper and lower stratums are obtained, the ground temperature field characteristics of new and old stratums are really reflected, and a reliable basis is provided for oil and gas and geothermal resources exploration, development and utilization.

The invention discloses a measurement method, and particularly relates to a stratum denudation thickness measurement method for a superposition basin multi-phase difference upheaval region. The stratum denudation thickness measurement method disclosed by the invention comprises steps of finding out a stratum denudation original point A, wherein the biggest original point is A', determining a thinning rate of the stratum, calculating the original thickness Hi of the denudated segment, calculating the denudation thickness and performing denudation thickness compression and correction. On the basis of explaining the earthquake profile in detail, the stratum denudation thickness measurement method recognizes the unconformity, recovers the form, the growth characteristics and distribution trend of the stratum before the denudation according to the stratum characteristics like growth characteristics, extending trend, the breaking-cutting relation and the fold deformation relation characteristics of the non-denudated stratum interface near the unconformity interface, and calculates the distance between the stratum interface and the unconformity interface (denudation interface), wherein the distance is used as a thickness of the stratum which is denudation and is a denudation amount. The stratum denudation thickness measurement method is effective in recovering the denudation and high in precision.

The invention relates to an unconformity stratum denudation amount recovery method and belongs to the field of geological structure evolution research and oil gas resource quantitative evaluation. According to the invention, by use of sound wave time difference data corresponding to a mudstone well segment of each single well in a target area with a denudation amount, logarithmic relations between unconformity upper and lower stratum mudstone well segment embedment depths and sound wave time differences are established, compacting features of old strata below an unconformity before denudation are determined, compacting trends of stratum mudstones below the unconformity are extended upwards to a paleo-ground surface, and thus a stratum denudation amount at the unconformity is determined. According to the invention, the recovered denudation amount has a good positive correlation relation with paleotopography, the recovery precision is high, the rationality is high, and therefore, the applicability is wide.

The invention provides a scene teaching management system and method for rail transit training. The system comprises a scene management module, a whole-line control module, a vehicle control module and a communication and signal control module. The method comprises the following steps: creating or storing various scenes used for rail transit training and acquiring a target scene appointed for training from the scenes, and then controlling the starting or stopping of communication and signal control action in the target scene, the starting or stopping of the train in the target scene and the running and stopping of the train in the target scene combined with the communication and signal fault. According to the invention, the online running of the signal systems of the training platform is realized, the high-accuracy and operable scene is supplied for the rail transit training and the technical problem of unconformity between logic and reality caused by only training through the system without multi-post fault / scene simulating exercise or pure computer simulation for the fault scene can be solved.

The invention provides an intelligent antenna calibration network and a calibration method thereof, which are suitable in the antenna field. The calibration network comprises N feed networks, N columns of radiators, N directional couplers and an equal-power distributor; wherein, the radiator of each column comprises M radiation units; a main feed line of each feed network is connected to a radio frequency signal launcher; the M branches are respectively connected to the M radiation units; radio frequency signals launched by the radio frequency signal launcher are distributed to the M radiation units through the M branches; one end of the directional couplers is connected to some branch of the feed network while the other end is connected to a branch of the equal-power distributor; after the branch of the equal-power distributor is coupled with some branch of the feed network, the signals are output to a calibration port. The intelligent antenna calibration network provided by the invention respectively couples each branch in the equal-power distributor with the corresponding some branch in the feed network through the directional coupler; the self unconformity of the feed network is calibrated too, thus improving the calibration precision.

A high-temperature bonding strength experimental method and a device of thermal-bonded enameled wire belong to the field of transformer technology for solving the experimental method of bonding strength of enameled wire. The technical scheme is characterized in that the experimental device consists of a tension test mechanism and an oil bath tank containing silicone oil, and the desired detection data can be acquired by sample preparation, bonding strength experiment, experimental data arrangement, etc. The invention also designs a device special for the experiment. The invention can obtain bonding strength data of thermal-bonded enameled wire under the actual operation condition of a transformer, and the data can objectively and accurately represent the performance of the thermal-bonded enameled wire under the work condition, which provides direct experimental verification of the actual effect of thermal-bonded enameled wire in transformer. The invention can obviate the error resulting from the unconformity between conventional detection and actual data, and provide accurate basis for transformer design. The invention has strong operability, simple device structure and easy implementation.

A method for stratigraphic analysis of seismic data comprises:selecting a seismic data volume comprising a plurality of samples;selecting a number of horizons within the seismic data volume;selecting a scale of interest within the seismic data volume, which ranges from 500 m up to the size of the entire seismic data volume;applying an attribute function to at least one of the selected number of horizons at the selected scale of interest; anddisplaying a stratigraphic attribute, which represents a geologic feature, such as a seismic facies attribute, an unconformity attribute and / or a thinning attribute that highlights a rate of thickness change of a formation layer between adjacent horizons, as a result of applying the attribute function at the selected scale of interest.These attributes facilitate understanding of moderate to large-scale seismic geometries (500 m to 50 Km) and basin development over geologic time.

The invention discloses a method for obtaining fracture activity information. On the basis of fault displacement generated by a to-be-analyzed fracture activity, a quantitative analysis is carried out to obtain specific information of the fracture activity. To be specific, division of different tectonic periods is carried out by using an unconformity geological series of strata as a boundary based on a tectonic time sequence; and the activity situation of the to-be-analyzed fracture activity during the corresponding tectonic period is processed by a quantitative analysis based on the fault displacement corresponding to the geological series of strata within the tectonic period, wherein the fault displacement corresponding to the geological series of strata within the tectonic period is obtained by superposition of fault displacement caused by fracture activities of the tectonic period and all tectonic periods after the tectonic period. Compared with the prior art, the accurate fracture activity information can be obtained.

The invention relates to an ancient landform restoration method which comprises the steps of: S1, according to different formation reasons, dividing breccia into karst crush breccia, karst collapse breccia and karst -accumulation breccia, and by establishing a karst breccia identification model, identifying karst breccia on a full section of a target layer; S2, carrying out marking on positions ofthe karst -accumulation breccia and the karst collapse breccia on the full section, marking a lowest position marked in each bored well as a lowest water table position, determining a lowest water table of the full section, marking an unconformity surface position of each bored well and determining an unconformity surface of the full section; S3, forming a karst ancient landform bored well analysis profile by the lowest water table of the full section, the unconformity surface of the full section and a bored well pillar, flattening the karst ancient landform bored well analysis profile by using the lowest water table of the full section as a base level, and drawing a karst ancient landform profile; and S4, labeling a relative elevation value of each bored well on the karst ancient landform profile so as to draw an isoline formed diagram, wherein the isogram is an ancient landform diagram.

The invention discloses an ancient landform recovery method based on a source-sink system. The ancient landform recovery method comprises the steps that: S1, selecting a to-be-recovered region, and determining a geological history period; S2, dividing source-sink units of a geological history period on the basis of the residual landform; S3, based on a structural evolution rule of the to-be-recovered region, determining a differential settlement rule and a deposition reference surface, and performing differential settlement correction; S4, defining the ranges of a denudation region, an over-stripping region and an over-covering region based on the unconformity interface characteristics of the to-be-recovered region and the seismic facies difference of different lithologies, and performingdenudation amount recovery on the denudation region and the over-stripping region based on the principle of conservation of substances of the source-sink system; and S5, superposing images obtained inthe step S3 and the step S4 to complete recovery of the ancient landform framework. According to the ancient landform recovery method, the denudation region material source and the total material amount are recovered more visually and scientifically, so that ancient landform and prototype basins in the deposition period are established, and guidance is provided for research on denudation and deposition region material distribution, landform evolution, reservoir characteristics, reservoir body distribution and the like.

The embodiment of the invention provides an airborne gravity measurement quality evaluation method and device, equipment and a storage medium. The method comprises the steps that the airborne gravityabnormal value of each cutting line within the measuring area is measured; the airborne gravity abnormal value of the current measuring line within the current sortie is measured; the airborne gravityabnormal unconformity value of the intersection points of the current measuring line within the current sortie and each cutting line is calculated so as to calculate the original measurement accuracyvalue of the current measuring line within the current sortie; horizontal deviation correction is performed on the airborne gravity abnormal value of each cutting line, and the corrected airborne gravity abnormal unconformity value of the intersection points of the current measuring line within the current sortie and each cutting line is calculated according to the corrected airborne gravity abnormal value of each cutting line and the airborne gravity abnormal value of the current measuring line within the current sortie; then the corrected measurement accuracy value of the current measuringline within the current sortie is calculated; and the measurement quality of the current measuring line within the current sortie is evaluated according to the original measurement accuracy value andthe corrected measurement accuracy value.

The invention relates to a construction method of a coral island reef underground fresh water collecting facility, which comprises the following steps of: 1, performing a technical exploration on a coral island reef to be constructed; 2, constructing an annular waterproof curtain wall; 3, constructing a permeability reducing layer by adopting a high-pressure fixed-depth grouting process, wherein the permeability reducing layer is connected with the bottom of the waterproof curtain wall; and 4, building a rainwater collection and infiltration-assisting pipe network system. By the adoption of the construction method of the coral island reef underground fresh water collecting facility, the waterproof curtain wall which is annular and closed and has a depth capable of reaching a Pleistocene karst aquifer is built on a stratum of a coral island reef land area, the rainwater collection and infiltration-assisting pipe network system for enhancing rainwater infiltration and the permeability reducing layer for reducing a permeability coefficient of a Holocene and Pleistocene unconformity surface stratum are constructed under the land surface, so that a huge underground water storage container positioned in the whole island reef stratum is constructed, the container is continuously supplemented by rainfall so as to solve the problems of small amount, extremely fragile and unstable available fresh water of the coral island reef fresh water lens body in a natural state.

The invention relates to a sand body-unconformity surface-fault conducting system oil control transport experiment device and experiment method. The experiment device includes a simulator provided with a fluid injection port and a fluid output port, and a fluid injection port pressure control system connected with the fluid injection port of the simulator; the simulator includes a bottom sand box and a side sand box located at the end part of the bottom sand box, the bottom sand box is movably connected with the side sand box, the bottom sand box and the side sand box are respectively provided with slot boards freely sliding on the sand boxes, and an inserting board with a cavity is inserted between the slot board of the bottom sand box and the slot board of the side sand box. An oil gas transport and accumulation process in a sand body-unconformity surface-fault conducting body space mode is simulated, rules and control factors affecting transport and accumulation of oil gas along the sand body-unconformity surface-fault conducting body are analyzed, understanding of cause of oil gas accumulation and oil gas distribution rule is deepened, a basis is provided for oil gas exploration of oil gas containing basins, and at the same time, a service is well provided for experimental teaching.

The invention discloses a method for simulating rock masses with surfaces of unconformity. According to the method, the influence of the surfaces of unconformity of rock stratums on simulation is taken into account, PFC3D based on the particle flow code theory is used as a simulation platform, and contact situations of the different rock stratums in the underground rock masses are simulated respectively, wherein the contact situations comprise conformity, parallel unconformity and angular unconformity. The method includes the following steps that a rock mass coordinate system is defined, key coordinate points of the trend of contact surfaces are determined, trend curves are fitted through MATLAB, curve parameters are acquired, the rock stratums are constructed through a drop method, and the contact surfaces are formed through FISH according to the parameters of the trend curves. By the adoption of the method, the underground rock masses can be accurately modeled, and the method is used for constructing the rock masses mingled with the contact surfaces of different forms.

The invention provides a fast interpretation method for the unconformity stratigraphic position. The fast interpretation method for the unconformity stratigraphic position comprises the steps that 1, a drilled well is subjected to single well refined sand layer group division; 2, refined synthetic record calibration is conducted; 3, the time gradient controlled by a standard layer is obtained; 4, the variable time difference is fitted through calculation of a variable time window algorithm; and 5, automatic interpretation of an unconformity stratum is conducted. According to the fast interpretation method for the unconformity stratigraphic position, the unconformity stratum is automatically tracked through calculation and fitting of the variable time window controlled by the standard layer, the unconformity stratum interpreted through the method is more objective and accurate in result, the working efficiency is effectively improved, and interpretation errors are reduced.

The invention belongs to the technical field of Internet of Things and relates to an Internet of Things-based head-mounted type identity recognition and border crossing early warning system. The system comprises a safety helmet, a connecting piece, a face image collector, a controller, an alarm, a communication unit, a positioning unit and a server; the first end of the connecting piece is fixedly connected with the front portion of a safety helmet shell; the controller is fixedly connected with the connecting piece; the alarm, the communication unit and the positioning unit are all installed on the connecting piece; the communication unit is in communication connection with the server; and a face identification module and a border crossing analysis module operate in the server. According to the system, the facial image of a wearer is collected through the facial image collector and is compared with a pre-collected facial image, so that identity verification is carried out, and therefore, the unconformity of the qualification of a person is avoided; the movement range of the person is tracked through the positioning unit, and the person is promoted when the person cross a border, and therefore, the person is prevented from mistakenly entering a dangerous area; and whether the safety helmet is firmly worn or not is verified through the comparison of face images, and therefore, the safety of the person is guaranteed.

The invention discloses an unconformity trap reservoir lithology prediction method based on prestack seismic ray impedance inversion. A common image point gather subjected to prestack offset is converted into a radial parameter domain from an offset distance domain; after all common image point gathers are converted, data of a constant radial parameter is extracted and the part of the data is stacked to form a co-radial parameter profile; a high precision seismic reflection coefficient sequence is acquired by iterative inversion; after a relative amplitude value on a reflection coefficient profile is converted into an actual reflection coefficient value, a generalized linear inversion algorithm is used for performing inversion on the reflection coefficient value to acquire radial wave impedance; and radial impendence capable of reflecting the characteristic that the lithology parameter changes along with frequency is used and combined with the exploratory area reservoir physical property and geologic feature to achieve lithology prediction of the unconformity trap reservoir. The radial impendence used by the method is less affected by the range of incidence angle, and the method is more applicable to the unconformity trap reservoir with strong anisotropism, large lithological changes and complex reservoir physical property, and can predict the lithology more accurately.

The invention relates to a full-oxygen glass melting furnace. A construction method of electric melting AZS (alumina-zirconia-silica) or electro melting corundum brick crowns of the full-oxygen glass melting furnace comprises the steps that a movable falsework is erected; bricks are sequentially transported to the two sides in the furnace; during mounting, spacings between skew bricks and springer beams are adjusted from the skew bricks on the two sides; the bricks behind skews are sequentially mounted from left to right; the bricks with faulting or position unconformity can be hammered by a raising hammer, or moved by a crowbar; when the last three seal bricks are mounted, spacings between the upper surfaces and the lower surfaces of the bricks are measured; any error is adjusted timely; or when a seal position is 1mm smaller, hammering is performed by a wooden hammer during sealing; each crown comprises five or seven rings; each crown is designed with an expansion joint; after one crown is built up, the dimension of the whole crown is detected, the chord length and the arch height of each crown are recorded, and compared with data provided by pre-assembly, and rectification is performed timely if any problem; and construction is accomplished. The construction method is convenient to construct, and the assembly quality can be ensured.

The invention discloses a quantitative evaluation method for unconformity conduction capability of clastic rock. According to the method, firstly, an unconformity conduction pattern concept model is constructed; secondly, an unconformity fluid migration amount mathematic model is constructed; thirdly, the unconformity fluid migration amount mathematic model is improved to obtain an improved unconformity fluid migration amount mathematic model; finally, on the basis of the improved unconformity fluid migration amount mathematic model, an unconformity conduction speed rate mathematic model is constructed to carry out quantitative evaluation on the unconformity conduction capability of the clastic rock. The method has the advantages that accurate requirements for the quantitative evaluation on the unconformity conduction capability of the clastic rock can be met, and the method can be widely applied to a geological exploration and development evaluation domain of oil and gas resources.

The invention provides an account checking early warning method and apparatus of inter-bank payment, computer equipment, and a storage medium. The early warning method comprises: an account checking message type, an aggregate initiating amount, and an aggregate receiving amount of a day checking message of a bank are obtained; according to an account checking date and the account checking messagetype, statistics and collection of aggregate vostro account amounts corresponding to all account checking message types of an inter-bank payment system are carried out; whether the aggregate vostro account amounts conforms to the aggregate receiving amount is determined; if not, statistics of abnormal amounts of all businesses is carried out; whether a sum of the sum total of all abnormal amountsand the aggregate vostro account amounts conforms to the aggregate receiving amount is determined; and if so, all account checking messages conforming to an incoming message and abnormal details causing unconformity of the aggregate vostro account amounts and the aggregate receiving amount are displayed. Analysis and positioning are carried out in different business scenes, so that factors causingaccount checking unconformity are located conveniently and rapidly and thus the fund risk of the bank is reduced.

The invention discloses an automatic social security card photograph determination inputting method. According to the method, a social security card photograph acquisition system is employed for input; two inputting modes include shooting and photograph scanning, the two photograph inputting modes are convenient for transaction in person and agent transaction, and card transaction demands of users are satisfied; an ID card verification system is used for not only detecting accuracy of the ID card information, but also the ID card verification system is used for inputting photographs of ID cards; a face identification photograph comparison system is employed to carry out photograph comparison check, comparison accuracy is high, unconformity of the personal information and photographs does not occur, rapid comparison is realized, artificial face check is not needed, and thereby work efficiency of social security card transaction is improved.

The invention discloses a method of recognizing a tiny erosion groove in a raised region, and belongs to the field of geological engineering. The method includes the steps of selecting a standard well for each of drilled wells inside and outside a large erosion groove in a raised region, and obtaining logging information of the standard wells; establishing interval velocity models for the inside and outside of the large erosion groove respectively according the logging information; combining the logging information and three-dimensional seismic data to obtain an initial synthetic seismogram, and conducting a calibration analysis of the initial synthetic seismogram using the interval velocity models to obtain a final synthetic seismogram; recognizing the top boundary velocity and bottom boundary plane of uncomformity velocity of the inside and outside of the large erosion groove according to the final synthetic seismogram so as to trace seismic reflecting boundary events of the top boundary and bottom boundary plane of uncomformity of the inside and outside of the large erosion groove in the raised region isochronally, and connecting the events of the same time to form a seismic data volume; and slicing the seismic data volume isochronally by using the stratigraphic slice technology and recognizing a tiny erosion groove.

The invention relates to an unconformable overlap oil-gas reservoir physical simulation experimental device and experimental method. The experimental device comprises a stratum box body, an unconformable cabin located below the stratum box body and a top plate located above the stratum box body; the stratum box body comprises a plurality of layers of independent simulation chambers; the length of an upper-layer simulation chamber is smaller than that of an upper-layer simulation chamber; each simulation chamber is not in contact connection with the unconformable cabin; holes are formed in side plates of each simulation chamber which contact with the unconformable cabin and the top plate of the unconformity cabin respectively; oil injection holes of a fluid injection system are formed in the bottoms of side plates of the simulation chambers, wherein the bottoms of the side plates of the simulation chambers are opposite to the side plates; a plurality of permeable baffles are arranged in the unconformable cabin; the unconformable cabin is divided into cabin units through the permeable baffles, wherein the number of the cabin units is equal to the number of the simulation chambers; and the simulation chambers are in one-to-one correspondence with the cabin units. With the experimental device and experimental method of the invention adopted, the simulation of an oil-gas migration and accumulation process in strata under unconformable surface overlap can be realized, and unconformable overlap oil-gas reservoir formation mechanisms and controlling factors are analyzed, and understanding of oil-gas accumulation factors and oil-gas distribution rules of the strata can be deepened, and a basis can be provided for oil-gas exploration in petroliferous basins.