CN105929461A - Dynamic and static rock mechanical parameter correction system - Google Patents
Dynamic and static rock mechanical parameter correction system Download PDFInfo
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- CN105929461A CN105929461A CN201610231902.5A CN201610231902A CN105929461A CN 105929461 A CN105929461 A CN 105929461A CN 201610231902 A CN201610231902 A CN 201610231902A CN 105929461 A CN105929461 A CN 105929461A
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Abstract
The invention discloses a dynamic and static rock mechanical parameter correction system. The system comprises a man-machine operation module, a rock mechanical parameter measuring and collecting module, an influential parameter statistics module, a physical model establishing module, a hard spot table establishing module, a virtual actuator, a virtual sensor, a simulated analysis module, a transfer node module, an associative relation obtaining module and an in situ model recovery module. The virtual back feeds a result to the simulation analysis module by executing a simulated analysis method or algorithm in a cyclic manner, the simulated analysis module extracts data automatically and sends the data to the virtual sensor, and the virtual sensor displays the result automatically. According to the invention, an rock mechanical underground in situ model of a hydrocarbon reservoir can be recovered more effectively and accurately, and different simulated analysis can be carried out on the established physical model according to requirements.
Description
Technical field
The present invention relates to Reservoir Development technical field, be specifically related to a kind of sound state rock mechanics parameters correction
System.
Background technology
Oil-gas reservoir rock mass be preserve rock mass porous media material and up and down country rock under certain depth, be in one
Under fixed temperature, pressure, it is saturated some fluids, the geology being made up of a series of structural planes and structure
Entity.Compared with near surface engineering geology, typically bury relatively deep (location layer depth is generally thousands of rice),
It is in three higher axles complexity confined pressure (up to 200MPa), higher temperature (up to 200 DEG C) and higher
Pore pressure (up to 200Mpa) and heterogeneous fluid saturated (oil, gas and water) under the conditions of.This and earth's surface
The environment residing for rock mass at shallow-layer and lower crust outer mantle is very different, and rock mass also has the power of uniqueness
Learn characteristic.
For thousands of meters of this underground depths complexity confined pressure, high temperature, high pore pressure and the oil gas of heterogeneous fluid
Hide for rock mass, traditional static mechanical character research be by drilling and coring delivery under surface condition, utilize three axles
Measuring stress instrument or sonic test instrument carry out Experiments of Machanics, as taken by drilling and coring delivery to the rock core taken out
Room temperature, normal pressure, dry sample in the laboratory of face, or consider to apply different confined pressures, or consider to fill different satisfying
Rock Mechanics Test is carried out, it is clear that the rock mechanics parameters using this prior art to obtain can not with fluid
Represent completely and be in the oil-gas reservoir rock under underground high temperature, high pressure, high pore pressure, heterogeneous saturated flow concrete conditions in the establishment of a specific crime
Hydrodynamic properties, i.e. cannot ensure thousands of meters of underground depths complexity confined pressure, high temperature, high pore pressure and heterogeneous
The effectiveness of the oil-gas reservoir Mechanics Parameters of Rock Mass of fluid and accuracy.
Summary of the invention
For solving the problems referred to above, the invention provides a kind of sound state rock mechanics parameters correction system, can carry
The effectiveness of high oil-gas reservoir rock mass mechanics ground in-situ model recovery and accuracy, and can be as required to institute
The physical model set up carries out various simulation analysis simulation.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of sound state rock mechanics parameters correction system, including
Rock mechanics parameters measures acquisition module, for measuring and gather the rock mechanics parameters of oil-gas reservoir；
Affecting parameters statistical module, for adding up the Mechanical property affecting parameters of described oil-gas reservoir；
Module set up by physical model, for measuring, according to rock mechanics parameters, the data that acquisition module is collected
And the Mechanical property affecting parameters added up of affecting parameters statistical module sets up the thing of described oil-gas reservoir
Reason model；
Hard spot table builds module, for obtaining the hard spot file of the physical model set up, and uses Matlab
Read the coordinate values of each hard spot in hard spot file, thus form a revisable hard spot table, described hard spot
Table includes each hard spot fix name, and coordinate values corresponding to each hard spot and adjacent two coordinates
Between at distance value；
Virtual actuator, is used for driving Parameters variation, sets up each element in module with physical model and sets up
After relation, in the range of specifying, parameter can be changed, such that it is able to driving simulation analyzes module pin
Different parameters is carried out calculating solve；
Virtual-sensor, for the target that can directly obtain corresponding result or information inserted in physical model
Logical block；
Simulation analysis module, for being divided into unit, characteristic and load, then by various imitative by input parameter
True analysis method and simulation analysis algorithm carry out simulation analysis to described physical model；
Described virtual actuator performs simulating analysis or algorithm by circulation, and result feeds back to emulation point
Analysis module, described simulation analysis module automatically extracts data to virtual-sensor, and described virtual-sensor is automatic
Display result；
Transfering node module, is connected with each element in hard spot table, by change the coordinate of hard spot in hard spot table,
Distance between hard spot, makes physical model produce corresponding change；
Incidence relation acquisition module, for obtaining rock mechanics parameters and the Mechanical property of described oil-gas reservoir
The incidence relation of affecting parameters；
Model in situ restoration module, is used for according to described rock mechanics parameters, and the rock mechanics of oil-gas reservoir
Parameter and the incidence relation of Mechanical property affecting parameters, carry out oil-gas reservoir rock mass mechanics ground in-situ model
Recovery；
Central processing unit, is used for coordinating above-mentioned module and is operated.
Wherein, the Mechanical property affecting parameters of described oil-gas reservoir includes rock composition characteristic parameter, rock
Structural characteristic parameter, rock structure characteristic parameter, blowhole FRACTURE CHARACTERISTICS parameter, temperature profile parameter,
Confined pressure characteristic parameter, pore-fluid characteristic parameter and pore pressure characteristic parameter
Wherein, described rock mechanics parameters includes Rock Elastic Parameters and rock strength parameter, described rock bullet
Property parameter includes Poisson's ratio, Young's modulus and poroelasticity coefficient.
Wherein, described rock composition characteristic parameter includes rock particles characteristic parameter and chink characteristic parameter.
Wherein, described virtual-sensor includes general virtual sensor and particular virtual sensor.
Wherein, described virtual actuator includes dummy unit actuator, virtual characteristics actuator and Virtual Load
Actuator.
Wherein, described hard spot table is set up by following steps:
Use Matlab to read the coordinate values of each hard spot in described ADAMS hard spot file and import an EXCEL
In file, the first list of described EXCEL file is deposited described each hard spot title, coordinate values
And the distance between adjacent two coordinates；First row at the second list of described EXCEL file is placed
Hard spot fix name, secondary series is linked in the first list corresponding coordinate values, and the 3rd row are connected to first
The distance between corresponding two coordinates in list, described EXCEL file is described revisable hard spot
Table.
The method have the advantages that
By at rock elastic parameter conventional in oil-gas reservoir engineering as object of study, to oil gas
Under conditions of Tibetan prototype is recovered, from Mechanics Parameters of Rock Mass and confined pressure, pore pressure, temperature and hole stream
The functional relationship of body, the difference of Mechanics Parameters of Rock Mass dynamic and static measurement result and two aspects of influence factor thereof go out
Send out, have studied the structure of rock, structure, composition and the impact on rock mechanics parameters of the hole fissured structure；
Between change and confined pressure, pore pressure, temperature and the pore-fluid of oil-gas reservoir rock mass force elastic parameter
Relation；Thus macroscopic view experimental phenomena and micro analysis are combined, analyze the composition of rock, structure and hole
The impact on rock mechanics parameters of the gap FRACTURE CHARACTERISTICS, obtains affecting the microcosmic mechanism of rock mechanics parameters character；
The method establishing indoor recovery oil-gas reservoir rock mass model in situ, by multiple spot experiment quantitative analysis temperature, encloses
Pressure, pore pressure and the pore-fluid impact on Mechanics Parameters of Rock Mass, and the virtual work being correlated with by definition
After dynamic device (structure actuator etc.) and virtual-sensor (deformation-sensor etc.), can direct driving simulation
Algorithm or emulation mode analysis, extract result, data be delivered in internal system, thus improve efficiency,
There is higher data consistency；By the setting of hard spot table can be changed, it is possible to reduce at correction or change thing
The out-of-date required workload of reason model；By quantitative analysis Mechanics Parameters of Rock Mass dynamic measurement method and static survey
Result difference between metering method and the reason made a difference, thus ensure that thousands of meters of underground depths complexity is enclosed
The effectiveness of the oil-gas reservoir Mechanics Parameters of Rock Mass of pressure, high temperature, high pore pressure and heterogeneous fluid and accuracy.
Accompanying drawing explanation
Fig. 1 is the system block diagram of the embodiment of the present invention a kind of sound state rock mechanics parameters correction system.
Detailed description of the invention
In order to make objects and advantages of the present invention clearer, below in conjunction with embodiment, the present invention is carried out
Further describe.Should be appreciated that specific embodiment described herein only in order to explain the present invention,
It is not intended to limit the present invention.
As it is shown in figure 1, embodiments provide a kind of sound state rock mechanics parameters correction system, bag
Include
Rock mechanics parameters measures acquisition module, for measuring and gather the rock mechanics parameters of oil-gas reservoir；
Affecting parameters statistical module, for adding up the Mechanical property affecting parameters of described oil-gas reservoir；
Module set up by physical model, for measuring, according to rock mechanics parameters, the data that acquisition module is collected
And the Mechanical property affecting parameters added up of affecting parameters statistical module sets up the thing of described oil-gas reservoir
Reason model；
Hard spot table builds module, for obtaining the hard spot file of the physical model set up, and uses Matlab
Read the coordinate values of each hard spot in hard spot file, thus form a revisable hard spot table, described hard spot
Table includes each hard spot fix name, and coordinate values corresponding to each hard spot and adjacent two coordinates
Between at distance value；
Virtual actuator, is used for driving Parameters variation, sets up each element in module with physical model and sets up
After relation, in the range of specifying, parameter can be changed, such that it is able to driving simulation analyzes module pin
Different parameters is carried out calculating solve；
Virtual-sensor, for the target that can directly obtain corresponding result or information inserted in physical model
Logical block；
Simulation analysis module, for being divided into unit, characteristic and load, then by various imitative by input parameter
True analysis method and simulation analysis algorithm carry out simulation analysis to described physical model；
Described virtual actuator performs simulating analysis or algorithm by circulation, and result feeds back to emulation point
Analysis module, described simulation analysis module automatically extracts data to virtual-sensor, and described virtual-sensor is automatic
Display result；
Transfering node module, is connected with each element in hard spot table, by change the coordinate of hard spot in hard spot table,
Distance between hard spot, makes physical model produce corresponding change；
Incidence relation acquisition module, for obtaining rock mechanics parameters and the Mechanical property of described oil-gas reservoir
The incidence relation of affecting parameters；
Model in situ restoration module, is used for according to described rock mechanics parameters, and the rock mechanics of oil-gas reservoir
Parameter and the incidence relation of Mechanical property affecting parameters, carry out oil-gas reservoir rock mass mechanics ground in-situ model
Recovery；
Central processing unit, is used for coordinating above-mentioned module and is operated.
Also include a data base, measure, for storing rock mechanics parameters, the data that acquisition module is collected,
The data that affecting parameters statistical module is counted on, the physical model number that module is set up set up by physical model
Build the hard spot table data constructed by module according to, hard spot table, and store after classifying on request.Described imitative
True analysis module connects a simulation analysis algorithm and simulating analysis data base, inside stores various emulation
Parser and simulating analysis.Described simulation analysis algorithm and simulating analysis data base connect one
More new module, the renewal of data in carrying out simulation analysis algorithm and simulating analysis data base.
Also include a human-machine operation module, be used for inputting various control command and data call instruction, and by institute
Control command and the data call instruction of data are sent to central processing unit, and central processing unit is according to the calculation preset
The order received is sent to the module of correspondence by method, and adjusts in data base according to the data call order received
It is sent to display screen by corresponding data show.
The Mechanical property affecting parameters of described oil-gas reservoir includes that rock composition characteristic parameter, rock texture are special
Levy parameter, rock structure characteristic parameter, blowhole FRACTURE CHARACTERISTICS parameter, temperature profile parameter, confined pressure spy
Levy parameter, pore-fluid characteristic parameter and pore pressure characteristic parameter
Described rock mechanics parameters includes Rock Elastic Parameters and rock strength parameter, described Rock Elastic Parameters
Including Poisson's ratio, Young's modulus and poroelasticity coefficient.
Described rock composition characteristic parameter includes rock particles characteristic parameter and chink characteristic parameter.
Described virtual-sensor includes general virtual sensor and particular virtual sensor.
Described virtual actuator includes dummy unit actuator, virtual characteristics actuator and Virtual Load start
Device.
Described hard spot table is set up by following steps:
Use Matlab to read the coordinate values of each hard spot in described ADAMS hard spot file and import an EXCEL
In file, the first list of described EXCEL file is deposited described each hard spot title, coordinate values
And the distance between adjacent two coordinates；First row at the second list of described EXCEL file is placed
Hard spot fix name, secondary series is linked in the first list corresponding coordinate values, and the 3rd row are connected to first
The distance between corresponding two coordinates in list, described EXCEL file is described revisable hard spot
Table.
The above is only the preferred embodiment of the present invention, it is noted that common for the art
For technical staff, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (7)
1. a sound state rock mechanics parameters correction system, it is characterised in that include
Rock mechanics parameters measures acquisition module, for measuring and gather the rock mechanics parameters of oil-gas reservoir；
Affecting parameters statistical module, for adding up the Mechanical property affecting parameters of described oil-gas reservoir；
Module set up by physical model, and the Mechanical property affecting parameters for measuring the data that collected of acquisition module according to rock mechanics parameters and affecting parameters statistical module is added up sets up the physical model of described oil-gas reservoir；
Hard spot table builds module, for obtaining the hard spot file of the physical model set up, and use Mat l ab to read the coordinate values of each hard spot in hard spot file, thus form a revisable hard spot table, described hard spot table includes each hard spot fix name, and at distance value between corresponding coordinate values and adjacent two coordinates of each hard spot；
Virtual actuator, is used for driving Parameters variation, set up each element opening relationships in module with physical model after, can change parameter in the range of specifying, such that it is able to driving simulation analysis module carries out calculating for different parameters and solves；
Virtual-sensor, the logical block of the target that can directly obtain corresponding result or information for inserting in physical model；
Simulation analysis module, for input parameter is divided into unit, characteristic and load, then carries out simulation analysis by various simulating analysis and simulation analysis algorithm to described physical model；
Described virtual actuator performs simulating analysis or algorithm by circulation, and result feeds back to simulation analysis module, and described simulation analysis module automatically extracts data to virtual-sensor, and described virtual-sensor shows result automatically；
Transfering node module, is connected with each element in hard spot table, by changing in hard spot table the distance between the coordinate of hard spot, hard spot, makes physical model produce corresponding change；
Incidence relation acquisition module, for obtaining rock mechanics parameters and the incidence relation of Mechanical property affecting parameters of described oil-gas reservoir；
Model in situ restoration module, for according to described rock mechanics parameters, and the rock mechanics parameters of oil-gas reservoir and the incidence relation of Mechanical property affecting parameters, carry out the recovery of oil-gas reservoir rock mass mechanics ground in-situ model；
Central processing unit, is used for coordinating above-mentioned module and is operated.
A kind of sound state rock mechanics parameters correction system the most according to claim 1, it is characterized in that, the Mechanical property affecting parameters of described oil-gas reservoir includes rock composition characteristic parameter, rock texture characteristic parameter, rock structure characteristic parameter, blowhole FRACTURE CHARACTERISTICS parameter, temperature profile parameter, confined pressure characteristic parameter, pore-fluid characteristic parameter and pore pressure characteristic parameter.
A kind of sound state rock mechanics parameters correction system the most according to claim 1, it is characterised in that described rock mechanics parameters includes Rock Elastic Parameters and rock strength parameter, and described Rock Elastic Parameters includes Poisson's ratio, Young's modulus and poroelasticity coefficient.
A kind of sound state rock mechanics parameters correction system the most according to claim 2, it is characterised in that described rock composition characteristic parameter includes rock particles characteristic parameter and chink characteristic parameter.
A kind of sound state rock mechanics parameters correction system the most according to claim 1, it is characterised in that described virtual-sensor includes general virtual sensor and particular virtual sensor.
A kind of sound state rock mechanics parameters correction system the most according to claim 1, it is characterised in that described virtual actuator includes dummy unit actuator, virtual characteristics actuator and Virtual Load actuator.
A kind of sound state rock mechanics parameters correction system the most according to claim 1, it is characterised in that described hard spot table is set up by following steps:
Use Matlab to read the coordinate values of each hard spot in described ADAMS hard spot file and import in an EXCEL file, the first list of described EXCEL file is deposited the distance between described each hard spot title, coordinate values and adjacent two coordinates；First row at the second list of described EXCEL file places hard spot fix name, secondary series is linked in the first list corresponding coordinate values, distance between corresponding two coordinates that 3rd row are connected in the first list, described EXCEL file is described revisable hard spot table.
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| CN109668791A (en) * | 2019-01-10 | 2019-04-23 | 清华大学 | A kind of measuring system and method for the formation rock mechanics parameter based on multisensor |
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