136 results about "System" patented technology

Techniques and a system for performing geological interpretation operations in support of energy resources exploration and production perform well log correlation operations for generating a set of graphical data describing the predetermined geological region. The process and system interpret the geological environment of the predetermined geological region from measured surface and fault data associated with the predetermined geological region. Allowing the user to query and filter graphical data representing the predetermined geological region, the method and system present manipulable three-dimensional geological interpretations of two-dimensional geological data relating to the predetermined geological region and provide displays of base map features associated with the predetermined geological region. The method and system automatically update the manipulable three-dimensional geological interpretations of two-dimensional data relating to the predetermined geological region, as well as calculate three-dimensional well log and seismic interpretations of geological data relating to the predetermined geological region.

The present invention relates to a method and system for extracting and / or utilizing thermal energy from rock formations. This Abstract is provided to comply with rules requiring an Abstract that allows a searcher or other reader to quickly ascertain subject matter of the technical disclosure. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).

The invention provides a glutenite comprehensive geologic modeling method. The method comprises step1, performing analysis and arrangement on drilling well, earthquake, logging and stratigraphic correlation information to screen geologic model basic data; step2, building a stratum and tectonic framework model through single-well fine stratigraphic correlation, fine earthquake explanation and fine inter-bed and fracture system description; step3, recognizing and determining lithologic characteristics; step4, building a sedimentary facies model; step5, building an attribute model through a pore penetration model. By the aid of the method, the lithology identification accuracy is improved, and rapid division of the sedimentary facies is achieved through man-machine interaction.

The invention discloses a bedding surface based on a level set and a method for generating a geologic body, which is applied to a system for geologic modeling, simulation and analysis. The method is characterized by comprising the steps: a sectional model is built, and a three-dimensional computational grid is formed on the basis of the sectional model; a scalar field used for calculating the flowing speed of a computational interface is formed in each bedding surface according to bedding surface discrete points; an initial level set is built according to the bedding surface discrete points; numerical solutions to the partial differential equation about the flowing of the interface are carried out in the three-dimensional grid, which causes the level set to update so as to lead to the evolution of the moveable interface, finally drawing near to a target bedding surface; a final strata surface is obtained by tracing a zero contour surface; the level set corresponding to each bedding surface is utilized to realize the description of the boundary and interior of the geologic body. The invention can realize the automatic reconstruction of bedding surfaces and geologic bodies of a plurality of faults at complicated geologic states, such as overthrust faults, mushroom bodies, salt domes, lenticular bodies, and the like, and effectively improve the generating efficiency and precision of complicated geologic structure models.

A method for determining fabric and upscaled properties of a geological sample, such as a rock sample. A system for the method also is provided.

Well core data descriptions are received as input digital data for computer lithofacies modeling. Digital templates are established for carbonate and clastic core description based on reservoir rock formation analysis. Description criteria of the template for carbonate rock can include texture, mineral composition, grain size, and pore type. For clastic rock, the criteria in the template can include grain size, sedimentary structure, lithology, and visual porosity. The data and observations regarding these criteria are entered into a computer 3D geological modeling system directly. Wireline log data are integrated to calibrate with well core description to derive lithofacies. The lithofacies are exported in digital format to be entered into the 3D geological modeling system. A geologically realistic model of the reservoir can be established.

Systems and methods which determine geologic properties using acoustic analysis are shown. Acoustic signals are collected during processing (e.g., crushing, shearing, striking, compressing, etc.) of geologic media, such as rock samples, for determining geologic properties according to embodiments. The acoustic signals collected may include frequency information, amplitude information, time information, etc. which may be utilized in determining geologic properties, such as geologic media properties (e.g., mineralogy, porosity, permeability, sealing capacity, fracability, compressive strength, compressibility, Poisson's Ratio, Youngs Modulus, Bulk Modulus, Shear Modulus), geologic structure properties (e.g., lithology, seal quality, reservoir quality), geologic acoustic properties (e.g., acoustic logging effectiveness, acoustic response, natural or harmonic frequencies, etc.). Embodiments may be used to provide determination of geologic properties from a variety of geologic media samples, such as cuttings, core samples, etc.

A system and method for modeling a geological structure may include, in an initial model, computing a first function for a geological structure including a first set of iso-surfaces. A processor may detect if the first set of iso-surfaces intersect a set of geological markers within a threshold proximity. If not, the initial model may be corrected using an induced mesh having an increased cell resolution compare to the initial model for computing a second function for the geological structure including a second set of iso-surfaces that intersect the geological markers within the threshold proximity. A processor may insert the second set of iso-surfaces into a second model to locally increase its resolution relative to the initial model by dividing cells in the second model along the second set of iso-surfaces. For each new geological structure, the above steps may be repeated using the second model as the initial model.

A system configured to model geometric architectures of flow events in geological reservoirs. In one embodiment, the system comprises a geological control input, a rules module, and a modeling module. The geological control input is configured to receive a set of environmental conditions that act as geological controls impacting a geometric architecture of a geological reservoir at a point in geologic time. The rules module is configured to apply a set of rules to the set of environmental conditions present at the point in geologic time to determine geometric flow parameters of the geometric architecture, wherein the set of rules comprise one or more empirical rules. The modeling module is configured to model the geometric architecture based on the geometric flow parameters determined for the flow event by the rules module.

System and methods for estimating properties of a geologic formation are disclosed. A preferred embodiment includes a method for estimating properties of a geologic formation, comprising the steps of: measuring a property of the formation in two or more directions along a path in the formation; obtaining directional property values for at least one spatial unit along the path in the formation based on the property measurements; and providing an anisotropy estimate of the formation from the obtained directional property values.

The invention discloses a broken stratum TBM jamming risk early warning method based on a torque-to-push ratio, and the method comprises the following steps of S1, collecting the surrounding rock state data through exposing a shield surrounding rock geological sketch; S2, acquiring the TBM tunneling parameter data through a TBM data acquisition system; S3, establishing a corresponding relation between the torque-to-push ratio and the surrounding rock state; S4, acquiring the tunneling state data through a TBM tunneling report recorded by a main driver; S5, establishing a jamming risk evaluation standard based on the torque-to-push ratio; and S6, through the TBM real-time tunneling parameters, according to the judgment standard, judging the TBM jamming risk, and carrying out the real-time early warning. According to the present invention, the tunnel surrounding rock state, the tunneling state of the TBM and the possible jamming risk of TBM tunneling can be effectively mastered in time,so that the constructors can master the information at all aspects in time and take the TBM jamming prevention measures in time, the jamming risk of the TBM can be effectively reduced, and the construction efficiency of the TBM is improved.

An ore content prediction system is provided. The system receives structured geological data that is derived based on spatial geological information that is associated with an input region. The received structured geological data includes a plurality of multidimensional tensors that are derived from spatial geological information of a plurality of sub-regions of the input region. The spatial geological information includes one or more types of data. The system trains a prediction model to produce a prediction output based on an average grade of an ore of a target mineral type at a target region by using the received structured geological data. The system identifies a relationship of the structured geological data to the prediction output and determines a revised input region based on the identified relationship,

The invention provides a rock physics constraint reservoir physical property parameter inversion method and system, and belongs to the technical field of reservoir prediction and evaluation in petroleum geophysical exploration. According to the method, elastic parameters are obtained through physical property parameter forward modeling by utilizing a rock physical model, a training sample set is constructed by utilizing the physical property parameters and the elastic parameters, a neural network is trained by utilizing the training sample set to obtain an optimized neural network, and then the optimized neural network is utilized to predict the physical property parameters. According to the method, the problem that only a single factor is considered when the porosity and the shale contentare predicted through a conventional empirical formula is solved, the porosity and the shale content are predicted at the same time in a completely nonlinear manner, the prediction precision is high,and the method and the system are suitable for the complex geological conditions.

The invention provides a TBM-mounted rock alteration characteristic recognition and geological prediction system and method. The system comprises a detection device, and the detection device is carried on the side face of an open type TBM supporting shoe through a telescopic mechanism; the detection device comprises a dryer and an alteration characteristic detection device, and the dryer is used for drying target surrounding rock, so that rock information collected by the alteration characteristic detection device is not interfered by moisture; the alteration characteristic detection equipmentis configured to collect images, mineral types and contents and element types and contents of the target surrounding rock; an alteration characteristic database in which the mark images, the characteristic minerals and the sensitive elements have a quantitative representation relationship with surrounding rock alteration characteristics is pre-stored in the data analysis platform; and the data analysis platform is configured to extract mark images, characteristic minerals and sensitive elements related to alteration characteristic changes, compare the mark images, the characteristic mineralsand the sensitive elements with the alteration characteristic database, predict alteration characteristics of surrounding rock in front of the tunnel face, and finally realize a geological predictionfunction of an alteration zone.

The invention belongs to the technical field of three-dimensional geologic modeling, and discloses a geologic structure three-dimensional modeling method and system based on a fault generation time sequence, and the method comprises the steps: calculating a bounding box of a fault surface model and a geologic model, and judging a geologic model data object; carrying out bounding box collision detection on the fault surface model and the geologic model, and determining the geologic model with intersected fault surfaces; taking one geologic model from the geologic models with the intersected fault planes to perform cutting operation with the fault planes, and calculating intersection points to obtain cutting intersection lines; subdividing triangles on two sides of a fault surface cutting intersection line, and determining a fault hanging wall boundary and a fault footwall boundary; reading fault attribute information, and moving the boundaries of the hanging wall and the footwall; judging whether new revealed data exists or not; dynamically optimizing the cut geological model; and judging whether a geologic model intersected with the fault surface exists in the geologic models intersected with the fault surface or not. According to the method, the three-dimensional model is dynamically optimized by fully utilizing the revealed data, so that the geological model is matched with the revealed data, and accurate modeling of tectonic geology is achieved.

The invention discloses an offshore basin sea lake environment identification method and system. The method comprises the following steps: judging whether an image of an nth stratum in a rock core image has a typical marine facies deposition structure or not to obtain a first deposition environment result; judging whether the change trend of the relative sea level change curve of the nth stratum is consistent with that of the global sea level change curve or not to obtain a second sedimentary environment result; judging whether the geochemical parameter value of the sedimentary rock sample iswithin a preset geochemical parameter range or not to obtain a third sedimentary environment result; judging whether the biological fossil in the nth stratum has marine ecological characteristics or not to obtain a fourth sedimentary environment result; and integrating the first sedimentary environment result, the second sedimentary environment result, the third sedimentary environment result andthe fourth sedimentary environment result to determine an offshore basin sea lake environment recognition result which is a sea basin, a land basin or a sea trace lake basin. The offshore basin sea lake environment is comprehensively recognized, and the recognition accuracy can be improved.

The invention discloses a fully-rigid true triaxial system for rocks and a deep rock temperature stress coupling simulation system, relating to the field of geotechnical engineering. The fully-rigid true triaxial system comprises a rigid true triaxial system and a temperature control system, wherein the rigid true triaxial system comprises a first loading shaft, a second loading shaft and a thirdloading shaft which are vertical two by two; a driving system is connected to the first loading shaft, the second loading shaft and the third loading shaft respectively to drive the first loading shaft, the second loading shaft and the third loading shaft to respectively move along the extension directions so as to extrude test samples; and the temperature control system is fit to the test samplesand is used for heating the test samples. The deep rock temperature stress coupling simulation system adopts the fully-rigid true triaxial system for the rocks. According to the fully-rigid true triaxial system for the rocks and the deep rock temperature stress coupling simulation system, a stress path simulation experiment can be realized in a high temperature environment of 800 DEG C.

There is provided herein a system and method for automatically determining the path within a target rock unit of a directionally drilled well (the target well) using log readings, e.g., gamma log readings, taken in the target well as compared with log readings (the typelog) taken in a well that penetrates the target rock unit (the offset well). Most specifically, in some embodiments the path of the target well within the target rock unit will be obtained by solving a minimum travel distance problem which uses distances that are based on differences between well log readings in the target and offset wells. Solution of this problem will yield a collection of stratigraphic blocks lengths and dips that define the path of the well in the subsurface through the target formation or rock unit.

The present invention belongs to the technical field of geological isotope detection, and discloses a method and a system for Hf isotope analysis of an Hf-rich mineral or rock. The method comprises: performing isotope fractionation correction calculation, wherein a isotope fractionation correction coefficient calculation principle follows the Rayleigh fractionation rule; using the average value of[beta](Yb) in the test process for interference correction; and calculating values of [epsilon]Hf(0), [epsilon]Hf(t), THf1, THf2 and fLu / Hf to explain the geological origin of the sample. According to the technical scheme of the present invention, the heavy work of manual calculation in the geological work is eliminated, and the technical scheme can provide a better service for the geological work.

A system and method is provided for restoring a 3D tomographic model of the Earth's subsurface geology from the present-day to a past restoration time. Whereas at the present time all faults represent active discontinuities, at a past restoration time some faults have not yet formed. Accordingly, the restored model divides the fault network into τ-active faults (discontinuous surfaces for faults that intersect the layer deposited at the past restoration time) and τ-inactive faults (continuous surfaces for faults that do not intersect the layer deposited at the past restoration time). A new 3D restoration transformation is also provided that uses linear geological constraints to process the restoration model in less time and generate more accurate geological images.

The invention belongs to the technical field of testing mechanical properties of rocks, and discloses a system and a method for testing and controlling the mechanical properties of the rocks under a complicated condition. The system for testing and controlling the mechanical properties of the rocks under the complicated condition comprises a hardness detecting module, a tension detecting module, apressure detecting module, a temperature-humidity detecting module, a main control module, a density measuring module, a rock phase analysis module, a data storage module and a display module. According to the system for testing and controlling the mechanical properties of the rocks under the complicated condition, disclosed by the invention, a rock sample can be constructed into a cylinder of which the volume can be conveniently obtained through the density measuring module, the axial size and the radial size of the rock sample can be changed by respectively applying pressure to the top surface, the bottom surface and the side surface of the rock sample, and the heated and pressurized rock sample still is the cylinder, so that the volume of the heated and pressurized rock sample can be obtained, and measurement of rock density can be convenient; meanwhile, fine laminating of a big, very thick and single shale layer section can be rapidly solved through the rock phase analysis module.

The invention discloses a geological block objectification modeling analysis method. The method comprises the steps of S1, geological block objectification definition, S2, geological block automatic modeling and S3, geological block modeling analysis. The principle of the method is as follows: step S1, taking a geological block body as an aggregate formed by an individual or a plurality of geological sub-block bodies, and performing objectification definition; s2, dividing the rock mass into a plurality of geological sub-blocks by generalized extension of the geological structure surface, thenatural free surface and the manual excavation surface, and automatically generating a geological block model of the rock mass; and S3, directly extracting geometric and mechanical parameters of the geological structure surface from the model, carrying out stability analysis and calculation, and outputting an evaluation report, a chart and the like. According to the invention, the geological blockis regarded as an organic system; the composition, attribute and spatial relationship of the geological block are objectively expressed, the stability of the rock mass is judged, the safety coefficient of the rock mass is calculated, and a scientific basis is provided for advanced prediction of construction geology and adjustment of designed support parameters. The invention is mainly applied torock caverns, side slopes and foundation pit engineering in the field of geotechnical engineering.

A seismic interpretation method for identifying subsurface hydrocarbon bearing traps of Eocene / Paleocene age in valley fill depositional systems comprising as computer implemented modeling software and processed seismic data. The valley dispositional system is further defined by identifying field stratigraphy and erosional trapping mechanisms and confirming structural closure. The method further includes identifying structural aspects caused by sagging, rollover, and determining the presence of high amplitude events in the erosional trap.

The invention provides an advanced geological forecasting method and system based on perception while drilling, and relates to the technical field of advanced geological forecasting. The advanced geological forecasting method comprises the steps of: performing inversion based on drilling parameters to obtain tunnel surrounding rock physical and mechanical parameters; acquiring rock slag or rock powder based on a flushing fluid collected in the drilling process; acquiring geochemical characteristic parameters of rock slag or rock powder; and acquiring at least one of an unfavorable geological recognition result and a surrounding rock classification result by using a pre-trained deep learning model according to the obtained physical and mechanical parameters and geochemical characteristic parameters of the tunnel surrounding rock, so as to realize advanced geological forecast. According to the advanced geological forecasting method and system, advanced geological drilling is combined, geological features are comprehensively reflected from the two aspects of physical and mechanical property changes and geochemical characteristic parameter changes of tunnel surrounding rock, through collection and analysis of drilling parameters and flushing fluid in the advanced drilling process, big data and a deep learning algorithm are fused, and finally, advanced prediction of the geology in front of the tunnel face is realized.

The invention discloses a method for reconstructing an advanced support pressure evolution model of a deep stope based on DFOS strain. The method comprises the following steps: construction of a monitoring system, strain body data acquisition of advance support pressure, processing and analysis of massive strain data bodies, reconstruction of a stope advance support pressure evolution model, correction of the stope advance support pressure evolution model and the like. In the method for reconstructing an advanced support pressure evolution model of a deep stope based on DFOS strain, a BOTDR technology in a DFOS technology is adopted; a strain state of a rock stratum in a certain depth range of a stope bottom plate is dynamically captured in a coal seam stoping process; the two-dimensionalgeological model of advance support pressure distribution in the mining process is established, the method has the advantages of being high in applicability and convenient and fast to operate, and good safety guarantee can be provided for preventing roadway surrounding rock instability, rock burst, coal and gas outburst and the like.

The invention relates to a three-dimensional geologic model-based geologic characterization condition evaluation method and a three-dimensional geologic model-based geologic representation condition evaluation system. The method comprises the following steps: acquiring stratum and structure original measurement data and generating a three-dimensional geological measurement model; disturbing the stratum and structure original measurement data to generate a three-dimensional disturbance model; converting the three-dimensional geologic model into a three-dimensional ore block model, expanding the three-dimensional ore block model into a one-dimensional array according to coordinates, and forming a geologic model evaluation data set; processing the three-dimensional ore block model by utilizing a true value discovery algorithm according to the geological model evaluation data set, determining the uncertainty of the three-dimensional ore block model, and determining the true value point of each information source and the weight of each information source in the uncertainty process of the three-dimensional ore block model; and performing qualitative evaluation and quantitative evaluation on the three-dimensional ore block model based on the true value point of each information source and the weight of each information source, and constructing a three-dimensional geological model for quantitative evaluation. The method can accurately evaluate geological characterization conditions and accurately predict mineral resources.

Models of underground formations. At least some of the illustrative embodiments are methods including creating a model of an underground formation. The creating may include: calculating a set of probabilities associated with a first horizontal location, each probability indicative of a likelihood of finding abutting geological layers; estimating a plurality of successions of geological layers to create a plurality of estimated successions, and the estimating using the set of probabilities; determining, for each of the estimated succession, a value indicative of how closely each estimated succession matches a measured succession, the measured succession determined by a seismic survey; and selecting from the plurality of estimated successions based on the values, the selecting creates a selected succession of geological layers, and the plurality of modeled values associated with the first horizontal location determined based on the selected succession of geological layers.

The invention provides a carbonate rock pore component analysis method and system, and belongs to the field of rock physics. The method comprises the following steps: (1) collecting a rock core of carbonate rock, and measuring the rock core to obtain an experimental longitudinal wave speed and an experimental transverse wave speed; (2) establishing an equivalent medium model, and performing predicting by using the equivalent medium model to obtain a predicted longitudinal wave speed and a predicted transverse wave speed; and (3) carrying out inversion by using the predicted longitudinal wave velocity and the predicted transverse wave velocity as well as the experimental longitudinal wave velocity and the experimental transverse wave velocity to obtain the volume content of each pore type in the rock core. According to the method, the pore differentiation effect of the rock in the diagenetic process is fully considered, and the rock physical experiment data and understanding of the region are combined, so that the interpretation cost is greatly reduced; the method can be applied to interpretation of rock cores and logging data, can determine pore distribution characteristics of carbonate reservoirs, is beneficial for interpretation personnel to deduce geological evolution processes and guide seismic data inversion and interpretation, and provides powerful reference for high-quality reservoir evaluation.