CN108694258A - Drilling well underground dummy emulation method and system for arrangement and method for construction preview optimization - Google Patents
Drilling well underground dummy emulation method and system for arrangement and method for construction preview optimization Download PDFInfo
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Abstract
The present invention provides a kind of drilling well underground dummy emulation methods and system for arrangement and method for construction preview optimization, belong to oil gas well drilling field.The present invention can be used for the drilling plan design phase, designer can carry out analogue simulation for different design schemes using system and method and compare preferably, or key parameter is simulated in adjustment so that a whole set of design scheme is optimal in terms of risk control and drilling efficiency;The emulation preview that present invention may also apply to wellbore construction troops before construction, so that the personnel for participating in construction have intuitive understanding and an anticipation to entire work progress and key link, risk link, the specific aim of emergency preplan is improved, construction efficiency and safety are improved.
Description
Technical field
The invention belongs to oil gas well drilling fields, and in particular to a kind of drilling well underground for arrangement and method for construction preview optimization is empty
Quasi- emulation mode and system.
Background technology
Oil and gas well drilling is a underground concealed property engineering, " it is difficult to compare heaven with entering " is called, especially in complexity
When boring complex structural well, ultradeep well, mega-extended-reach well and special well under geological conditions and exceeding the maximum, there is a large amount of non-
The problem of homogenieity, uncertainty, unstructuredness, nonumericization solves the problems, such as that there is an urgent need to information skills for these engineering "black box"s
Art, intellectual technology and the present age high-end science and technology realize the vision of " looking at underground well-digging " that industry is expected, especially in drilling well
Before, such as how low cost, the mode of devoid of risk carry out simulation preview to arrangement and method for construction, expose potential problems, implementation
Optimization is the technology that industry is expected.
Patent CN102354326A discloses a kind of efficient, real-time synchronization, lifelike image three-dimensional emulation method of petroleum drilling,
It carries out as follows successively:Take oil-well drilling equipment element task state transducing signal data;Filter out carry out three-dimensional representation
The transducing signal data needed;Judge whether to need Mechanics Calculation;Transducing signal data to not needing Mechanics Calculation carry out XML
Spatial position parses;Three-dimensional representation is carried out by XML tag using d engine.The invention is to drilling equipment sensing data
Three-dimensional characterization, cannot achieve finer underground dynamic scene simulation, for example, the change shape of rock, wellbore fluids, the borehole wall,
Risk identification, drilling speed prediction etc., it is even more impossible to be used to carry out preview optimization to geological environment and work progress before drilling well.
Patent CN203134246U utility models disclose a kind of intelligent drilling device simulation training system, and feature exists
In drilling machinery corollary apparatus cover drilling derrick, simulation hydraulic synchronous ascending operating process analogue system, circulation of drilling fluid and
Solidifying and controlling device dynamic operation analogue system and automatic operation control analogue system show the dynamic of drilling equipment operation at the scene
State effect, emphasis show that the function of Drilling derrick, pedestal simulation hydraulic lifting process and circulation of drilling fluid pump, solidifying and controlling device is imitative
Very, dynamic operation and dry run control, while automated control technology and wireless remote control technology are applied, make wireless remote control and this
Ground operation is completely compatible, realizes that the true operation of drilling machinery corollary apparatus and corollary equipment and operation control, and pass through touch
Man-machine interface realizes same control function, while showing drilling equipment current operating status and operating parameter, reaches drilling well
Device simulation training system simulates the effect of Contraction in Site.The invention is a set of simulation hardware device, and its software interface
All it is advance cured scene animation, cannot achieve the driving of real well data.
Patent CN101719332A discloses a kind of method of full-three-dimensional real-time drilling simulation, it includes the following steps:It adopts
Three-dimensional drilling well figure structural strength test is established with three-dimensional animation modeling method;Specially one graphics processor of setting, the figure
Processor includes graphics drawing program and scene simulation control program;Scene simulation control program according to setting data format with
External piloting control program communicates, and obtains the instruction and data of real-time animation;Scene simulation control program sends out graphics drawing program
Job instruction, graphics drawing program realize that drilling simulation animation is drawn and shown.The present invention is based on computer simulation technique and join
According to the practical operation flow of well drilling operation site, realistic simulation is carried out to drilling technology process and operating method, generates high quality
Graphic animations are used for the technical skill training of situ of drilling well operating personnel and students, improve result of training, shorten training
The instruction period reduces training cost.The invention is cured typical scene animation splicing in advance, is only used for training demonstration, nothing
Method simulates the various events in true drilling process using truthful data driving.
Document " oil drilling dummy emulation system " discloses:Utilize computer simulation technique, one parameter of research and establishment
The oil drilling dummy emulation system of change, to the motion control that virtual unit is parameterized, simulation drilling technology mistake true to nature
Journey.The dummy emulation system framework based on numerical calculation emulation and vision simulation hybrid technology is proposed, analyzes and establishes well
The mathematical model of frame lifting system and rotary drilling system controls virtual drilling equipment using mathematical model and moves, and realizes pair
It is wrapped in the real-time deformation motion control of steel wire rope on pulley blocks.Finally, systematic parameter, real-time display can be initialized and controlled
The variation of parameter during drilling technology, realizes the interactivity of system.The technology cannot achieve just for drilling well ground installation
The emulation of underground state and process.
Document " the oil drilling system emulation research based on virtual reality technology " discloses:The invention has been inquired into based on void
Quasi- reality technology realizes the theory and technical method of drilling well production process three-dimensional simulation emulation.Using triangle mesh algorithm algorithm solution
The problem that certainly model complexity is high in scene, the interaction speed of service is slow.The method for replacing Planar Mapping using normal map, subtracts
Mini Mod capacity.Design is interacted using Virtools softwares, realizes and needs Dynamic Display production process according to operator.
Whole system is easy to operate, and simulation effect is true to nature, and the speed of service is fast.The technology is to carry out three-dimensional visible to drilling well ground installation
Change, cannot achieve the emulation of downhole drill process.
Document " drilling well and well control analog simulation platform construction " discloses:Drilling well and well control analog simulation platform are mainly by imitating
True hardware system and software systems two large divisions are constituted, and can carry out drilling process, down hole problem judges, fracture pressure examination
It tests, the analog simulation of well control operation sequence operating modes such as (creep into, make a trip) empty wells and Well Killing Process.The use of the platform, not only
The enthusiasm that student can be excited to learn is deepened understanding and grasp of the student to drilling well and well control knowwhy, can also be carried out
The operation of similar with situ of drilling well analog simulation, keeps student on the spot in person, promoted they drilling well and well control technique basic skill
Can, achieve the purpose that engineering practice, avoids because of factors leading to social instability such as the danger that execute-in-place is brought, after graduating for student as early as possible
Situ of drilling well work is adapted to lay a solid foundation.The technology is to be directed to drilling technology training, is realized specific simulating scenes
Animation is cured in system, can not be utilized the entire simulation process of real well (design) data-driven, is only used for training.
Or in short, the prior art be the emulation to drilling well ground installation or be have cured in advance in software it is specific
Simulating scenes animation can not be based on Drilling Design data-driven for training, realize the emulation of drilling well underground state and process
Preview.
Invention content
It is an object of the invention to solve above-mentioned problem existing in the prior art, provide a kind of for arrangement and method for construction preview
The drilling well underground dummy emulation method and system of optimization, by using software Virtual Simulation, by geological environment, shaft structure
And the quiet multidate information such as drilling tool, underground working carries out visually three-dimensional characterization, constructs simulation drilling well in advance on computers
Simulating scenes, while real-time risk identification, early warning and rate of penetration prediction, drilling well week are realized by built-in computation model
Phase is estimated, and realizes the effect of " pre- well-digging " on computers.
The present invention is achieved by the following technical solutions:
A kind of drilling well underground dummy emulation method for arrangement and method for construction preview optimization, including:
Step 1, rock properties data volume, shaft structure and construction parameter are obtained;
Step 2, three-dimensional rock mass attribute volume is loaded:The rock properties data volume is read, according to data volume itself lattice
Formula parse spare;
Step 3, it is assumed that shared N sets of plan needs simulation comparison, sets n=0, and n is the serial number of Drilling Design scheme;
Step 4, judge n<Whether N is true, if set up, is transferred to step 5, otherwise turns to step 15;
Step 5, the data of n-th set of Drilling Design scheme are loaded into;
Step 6, it according to the Track desigh data in Drilling Design scheme, is extracted along well from three-dimensional rock mass attribute volume
The step-length of the property parameters group of cylinder, extraction is the intervals well depth 1m;
Step 7, by depth interval, the data of Drilling Design scheme and the rock properties parameter combination of extraction are got up,
Each well depth point is one group, it is assumed that well depth H, then shared H groups data;
Step 8, if array serial number h=1;
Step 9, judge whether h≤H is true, if set up, be transferred to step 10, otherwise n=n+1, be then transferred to step
4;
Step 10, drilling engineering calculating is carried out using 1-h group data, including:Elevation computation, drilling tool drag and torque meter
It calculates, rate of penetration calculates;
Step 11, using the result data of step 7 and step 10, the drilling risk numerical value at depth h is calculated, including:Well
Leakage well kick, is caved in, differential sticking;
Step 12, in three-dimensional scenic, well this moment is carried out using the result data of step 2, step 7, step 10, step 11
The visualization true to nature of lower state is shown;
Step 13, the key intercepted in step 2, step 7, step 10, the result data of step 11 and step 12 is schemed
Shape forms Simulation result data packet and is stored;
Step 14, if h=h+1, it is transferred to step 9;
Step 15, the analog result data packet of above-mentioned N number of scheme is visualized.
Itself format in the step 2 uses SGY formats.
Key graphic in the step 13 includes:Borehole track figure, casing programme figure, drill assembly figure;Lithological profile
Scheme, Pore Pressure is tried hard to, sectional view, drilling risk sectional view, the machinery of caving pressure figure, fracture pressure figure and water force result
Drilling speed sectional view.
Visualization in the step 15 includes the data to Drilling Design scheme, drilling risk numerical value, rate of penetration
Visualization.
The method further includes:
Step 16, optimal case is selected from N sets of plan, which is exported.
The optimal case is risk is low and scheme that rate of penetration is high.
A kind of system for realizing the above method, including:
System initialization module:Set simulation project, activation system;
Rock properties data volume read module:Rock properties data volume file is read, and carries out parsing and forms structuring number
According to;
Drilling Design protocol acquisition module:Typing imports Drilling Design protocol, including:Borehole track, well
Body structure, drill assembly, wellbore construction data, the wellbore construction data include drill bit, drilling fluid, drilling hydraulic parameters, brill
Well mechanical parameter;
Along the rock properties acquisition module of pit shaft:Based on the borehole track data of Drilling Design, with the depth of setting
Interval, extracts the one-dimensional rock properties parameter of each depth point from rock properties data, or the manual typing one-dimensional parameter;
Packet module:Above-mentioned rock properties, Drilling Design protocol are polymerize by depth, formed each deep
The two-dimensional array of degree one group of data of point;
Drilling engineering calculates interface module:Drilling engineering calculating parameter is calculated separately out using each group of data, including:Well
Cylinder annular circulation pressure equal yield density, drilling tool frictional resistance, torque and rate of penetration;
Drilling risk computing module:Ginseng is calculated using each group of rock properties, Drilling Design protocol, drilling engineering
Number, calculates the drilling risk numerical value of each depth point;
Drilling well three-dimensional artificial display module:To lithosome, shaft structure, drilling tool, wellbore fluids, risk in three-dimensional scenic
Dynamic Announce is carried out, while auxiliary characterizes the key parameter in drilling process with two-dimensional curve, that virtually creeps into is true
Process, the key parameter include that lithology layering, casing programme, pore pressure, caving pressure, fracture pressure and mineshaft annulus are followed
Ring compression equal yield density
The system further comprises:
Drilling Design parameter interaction adjustment module:For in drilling well simulation process to certain in Drilling Design protocol
A little parameters are adjusted, and will be adjusted in the array that item update is generated to packet module.
The system further comprises:
Simulation result memory module:The involved all initial data of this emulation, calculating data are unifiedly stored to brill
Well simulation data base;
Simulation result contrast module:If there is more sets of plan, the module by the data of each scheme and simulation result to scheme,
Table mode carries out comparison and shows;
Scheme is selected eventually and output module:It chooses the best alternatives, and by the design data and its simulation result of the optimal case
Output.
Compared with prior art, the beneficial effects of the invention are as follows:The present invention can be used for drilling plan design phase, designer
Member can carry out analogue simulation for different design schemes using system and method and compare preferably, or to key parameter side
Adjust side simulation so that a whole set of design scheme is optimal in terms of risk control and drilling efficiency;Present invention may also apply to bore
Emulation preview of the well construction troop before construction, so that participating in the personnel of construction to entire work progress and crucial ring
Section, risk link have intuitive understanding and an anticipation, improve the specific aim of emergency preplan, improve construction efficiency and safety.
Description of the drawings
The step block diagram of Fig. 1 the method for the present invention
The structural schematic diagram of Fig. 2 present systems.
Specific implementation mode
Present invention is further described in detail below in conjunction with the accompanying drawings:
A kind of dummy emulation method and system for drilling plan preview simulation optimization of the present invention, specifically includes dimensionally
Prime number according to volume visualization, the pit shaft entity simulation of three dimensions, the emulation of pit shaft periphery rock, carry automatically along the geologic parameter of pit shaft
It takes, drilling process hydraulic parameters calculate in real time, the emulation of the pit shaft entity action of the risk profile of drilling process, data-driven, count
It is bored according to indicating risk, the drilling machinery in the downhole well fluid emulation of driving, the rock configuration simulation of data-driven, drilling process
The methods of speed prediction, drilling period prediction and data load, three-dimensional visualization, two-dimensional curve is shown, interaction adjusts, is distributed
It calculates, the software modules such as the simulation engine of data-driven, constructs the simulating scenes of simulation drilling well in advance on computers, realize
The effect of " pre- well-digging " on computers.The present invention is showed using drilling well truthful data driving simulation scene, without artificially setting
Determine cartoon scene.
The step of emulation mode of the present invention, is as shown in Figure 1:
Step 1, artificial service is previewed for drilling plan, combs required rock properties data volume and (is based on regional earthquake
The log analysis data progress rock properties modeling of data, multiple wells, forms attribute volume, specific construction method can refer to specially
Profit 201510276067.2), shaft structure and construction parameter (being loaded into system by digital independent or acquisition module), along well
The rock properties parameter of cylinder, three-dimensional artificial show that (microstructural image of each rock type, is scanned material by rock core
To) etc. Various types of data demand, design its data structure and its correlation, all data organic organizations got up;
Step 2, three-dimensional rock mass attribute volume load:Rock properties data volume is read, according to data volume itself format (one
As be SGY formats) parse it is spare;
Step 3, it is assumed that shared N sets of plan needs simulation comparison, sets n=0, and n is the serial number of Drilling Design scheme;
Step 4, judge n<N, it is true, is then transferred to step 5, if false, turns to step 15;
Step 5, it is loaded into n-th set of Drilling Design protocol;
Step 6, it according to the Track desigh data in drilling plan, is extracted along pit shaft from three-dimensional rock mass attribute volume
Property parameters group (includes but not limited to lithology, porosity, permeability, formation pore pressure, formation collapsed pressure, formation fracture
Pressure, fracture width, fracture length), the step-length of extraction is generally the intervals well depth 1m;
Step 7, by depth interval, by Drilling Design protocol (such as orbital data, casing programme data, drill assembly
Data, drill bit data, wellbore construction parameter etc.) and extract rock properties parameter combination get up, each well depth point be one group,
Assuming that well depth is H, then shared H groups data;
Step 8, if h=1 (h is array serial number);
Step 9, judge h≤H, if true, step 10 is transferred to, if false, n=n+1, is then transferred to step 4;
Step 10, it calculates drilling engineering using 1-h group data to calculate, including elevation computation, drilling tool drag and torque meter
It calculates, rate of penetration;
Step 11, using the result data of step 7 and step 10, the drilling risk numerical value at depth n, including well are calculated
Leakage well kick, is caved in, differential sticking), the computational methods of industry universal may be used, patent application can also be used
201510163437.1, method in 201510163640.9,201510166650.8,201510166570.2 calculates;
Step 12, in three-dimensional scenic, using step 2,7,10,11 result data, entity simulation model (rock is called
Stone, pipe tool, fluid etc.) (model obtained in step 1), the visualization true to nature for carrying out underground state this moment shows that (result is defeated
Enter the data merely provided into model needed for visualization, visualization is visually virtually to characterize them in three-dimensional scenic
Out, common in characterizing method industry, show to obtain smoothness more true to nature, more there is effect on the spot in person), including rock emulation, well
Wall emulation, casing emulation, drilling tool and its action emulation, drilling fluid and landwaste flow simulations, the emulation of cave-in equivalent risk etc. are
User provides a drilling well underground virtual scene on the spot in person;
Step 13, step 2,7,10,11 result data and step 12 in key graphic (the 1. Drilling Design side that intercepts
The main graph of case, i.e. borehole track figure, casing programme figure, drill assembly figure;2. close with risk profile, rate of penetration prediction
Sectional view, the drilling well of relevant parameter profile figure and prediction result, i.e. lithological profile figure, three pressure of stratum and water force result
Risk profile, rate of penetration sectional view), it automatically forms and (database is stored in corresponding structure using software module, and is marked
Scheme n) Simulation result data packets are denoted as to be stored;
Step 14, if h=h+1, it is transferred to step 9;
Step 15, visualized that (the purpose of visualization here is the technology that allows to above-mentioned N number of program simulation result data packet
Personnel are convenient intuitively to compare multi-scheme, and method is the data packet first read respectively from database per sets of plan, then
It is sorted under same well depth reference axis according to data, transversely arranged data and graph per sets of plan), including Drilling Design scheme
Data, drilling risk numerical value, rate of penetration;
Step 16, optimal case (the optimal basic differentiation mark of scheme is selected from N sets of plan using intelligent algorithm or manually
It is accurate:Risk is low and rate of penetration is high, but can also manually set some actual conditions), output, terminate.
Step 16 is optional step.
Simulation Software System of the present invention is as shown in Fig. 2, include:
System initialization module:Setting simulation project (sets pound sign to be simulated, if there are many computation models for choosing
Select, then select this computation model for preparing to use), activation system;
Rock properties data volume read module:Rock properties data volume file is read, and carries out parsing and forms structuring number
According to;
Drilling Design protocol acquisition module:Typing imports Drilling Design protocol, including borehole track, well bore
Structure, drill assembly, wellbore construction data (such as drill bit, drilling fluid, drilling hydraulic parameters, drilling machinery parameter);
Along the rock properties acquisition module of pit shaft:Based on the borehole track data of Drilling Design, with certain depth
Interval, from extracted in rock properties data each depth point one-dimensional rock properties parameter (as lithology, porosity, permeability,
Layer pore pressure, formation collapsed pressure, formation fracture pressure, fracture width, fracture length etc.), or manual typing this one
Tie up parameter;
Packet module:Above-mentioned rock properties, Drilling Design protocol are polymerize by depth, formed each deep
The two-dimensional array of degree one group of data of point;
Drilling Design parameter interaction adjustment module:The module is optional module, if you need to drilling well in drilling well simulation process
Certain parameters in design scheme data are adjusted, then are carried out using the module, and adjustment item is updated to packet mould
In array described in block;
Drilling engineering calculates interface module:Using each group of data, drilling well water force, drilling well drag and torque are called respectively
Calculate, drilling machinery drilling speed software for calculation, calculate ECD (mineshaft annulus circulating pressure equal yield density), drilling tool frictional resistance, torque,
The parameters such as rate of penetration;
Drilling risk computing module:Ginseng is calculated using each group of rock properties, drilling engineering design parameter, drilling engineering
Number (i.e. drilling engineering calculates ECD, drilling tool frictional resistance, torque, the rate of penetration that interface module is calculated), calculates each depth point
Drilling risk (well kick leakage, caves in, differential sticking, drillling tool twisting off);
Drilling well three-dimensional artificial display module:To lithosome, shaft structure, drilling tool, wellbore fluids, risk in three-dimensional scenic
Carry out Dynamic Announce true to nature, at the same assist with two-dimensional curve in drilling process key parameter (lithology layering, casing programme,
Three pressure of stratum and ECD) it is characterized, the real processes virtually crept into;
Simulation result memory module:The involved all initial data of this emulation, calculating data are unifiedly stored to brill
Well simulation data base;
Simulation result contrast module:If there is more sets of plan, the module is by the critical data and simulation result of each scheme
Display is compared to scheme, in a manner of table, convenient for the intuitive most suitable scheme preferably wherein of technical staff;
Scheme is selected eventually and output module:Certain sets of plan using intelligentized optimization algorithm or is manually selected, system automatically will
Program design data and its simulation result output.
In above-mentioned module, simulation result memory module, simulation result contrast module and scheme eventually choosing and output module be can
Modeling block.
The embodiment of the present invention is as follows:
Embodiment 1:Drilling Design personnel have been completed that the engineering design first draft of A wells, the design include two sets of optional sides
Case A-1 and A-2, in order to preferably go out a sets of plan (including risk is low, the period is short, TRAJECTORY CONTROL precision height etc.), tissue is related
Expert carries out scheme comparison's demonstration using this system, and brainstrust can be according to the query of oneself to local parameter or full well parameter
Drilling well emulation is carried out, checks risk that may be present, prediction rate of penetration etc., finally a preferably sets of plan.
Embodiment 2:Drilling Design personnel are in the design process to problem wells B wells, to certain partial parameters and localized design
It is not sure, in order to keep scheme optimal, organizes associated specialist, carry out demonstration optimization using this system, brainstrust can basis
The query of oneself carries out drilling well emulation to local parameter or full well parameter, policy again after modifying to unsatisfied parameter,
It checks risk that may be present, prediction rate of penetration etc., finally determines that a set of optimal parameter combination, scheme are finalized a text.
Embodiment 3:Well C is a bite difficulty emphasis prospect pit, and the construction of the well and supervision troop are in order in advance apply full well
Work process, which has, more accurately to be held, training construction personnel, to carry out more targeted prediction scheme, improve construction efficiency, tissue
All Team Members utilize this system " pre- well-digging " one time on computers so that and every member knows what's what to work progress,
Ensure smoothly efficiently construction.
Oil and gas well drilling is a underground concealed property engineering, is called " it is difficult to compare heaven with entering ", in oil exploration,
Drilling well takes up to 50-70%, especially under complex geological condition bore complex structural well, ultradeep well, mega-extended-reach well and
Special well is with when exceeding the maximum, and there is a large amount of anisotropism, the problem of uncertainty, unstructuredness, nonumericization, solutions
Certainly these engineering "black box" problems realize that industry is expected there is an urgent need to information technology, intellectual technology and the present age high-end science and technology
" look at underground well-digging " vision.In order to reduce accident to the greatest extent, improve drilling efficiency and success rate, imitate on computers in advance
True well-digging becomes the technological trend that industry is generally accepted, and will be widely used.
Above-mentioned technical proposal is one embodiment of the present invention, for those skilled in the art, at this
On the basis of disclosure of the invention application process and principle, it is easy to make various types of improvement or deformation, be not limited solely to this
Invent method described in above-mentioned specific implementation mode, therefore previously described mode is only preferred, and and without limitation
The meaning of property.
Claims (9)
1. a kind of drilling well underground dummy emulation method for arrangement and method for construction preview optimization, it is characterised in that:The method includes:
Step 1, rock properties data volume, shaft structure and construction parameter are obtained;
Step 2, three-dimensional rock mass attribute volume is loaded:Read the rock properties data volume, according to data volume itself format into
Row parsing is spare;
Step 3, it is assumed that shared N sets of plan needs simulation comparison, sets n=0, and n is the serial number of Drilling Design scheme;
Step 4, judge n<Whether N is true, if set up, is transferred to step 5, otherwise turns to step 15;
Step 5, the data of n-th set of Drilling Design scheme are loaded into;
Step 6, it according to the Track desigh data in Drilling Design scheme, is extracted along pit shaft from three-dimensional rock mass attribute volume
The step-length of property parameters group, extraction is the intervals well depth 1m;
Step 7, by depth interval, the data of Drilling Design scheme and the rock properties parameter combination of extraction are got up, each
Well depth point is one group, it is assumed that well depth H, then shared H groups data;
Step 8, if array serial number h=1;
Step 9, judge whether h≤H is true, if set up, be transferred to step 10, otherwise n=n+1, be then transferred to step 4;
Step 10, drilling engineering calculating is carried out using 1-h group data, including:Elevation computation, drilling tool drag and torque calculate,
Rate of penetration calculates;
Step 11, using the result data of step 7 and step 10, the drilling risk numerical value at depth h is calculated, including:Leakage, well
It gushes, cave in, differential sticking;
Step 12, in three-dimensional scenic, underground shape this moment is carried out using the result data of step 2, step 7, step 10, step 11
The visualization true to nature of state is shown;
Step 13, the key graphic that will be intercepted in step 2, step 7, step 10, the result data of step 11 and step 12, shape
At Simulation result data packet and stored;
Step 14, if h=h+1, it is transferred to step 9;
Step 15, the analog result data packet of above-mentioned N number of scheme is visualized.
2. the drilling well underground dummy emulation method according to claim 1 for arrangement and method for construction preview optimization, feature exists
In:Itself format in the step 2 uses SGY formats.
3. the drilling well underground dummy emulation method according to claim 2 for arrangement and method for construction preview optimization, feature exists
In:Key graphic in the step 13 includes:Borehole track figure, casing programme figure, drill assembly figure;Lithological profile figure, hole
Sectional view, drilling risk sectional view, the rate of penetration of gap tonogram, caving pressure figure, fracture pressure figure and water force result
Sectional view.
4. the drilling well underground dummy emulation method according to claim 3 for arrangement and method for construction preview optimization, feature exists
In:Visualization in the step 15 include the data to Drilling Design scheme, drilling risk numerical value, rate of penetration it is visual
Change.
5. the drilling well underground dummy emulation method according to claim 4 for arrangement and method for construction preview optimization, feature exists
In:The method further includes:
Step 16, optimal case is selected from N sets of plan, which is exported.
6. the drilling well underground dummy emulation method according to claim 5 for arrangement and method for construction preview optimization, feature exists
In:The optimal case is risk is low and scheme that rate of penetration is high.
7. a kind of system for realizing any the methods of claim 1-6, it is characterised in that:The system comprises:
System initialization module:Set simulation project, activation system;
Rock properties data volume read module:Rock properties data volume file is read, and carries out parsing and forms structural data;
Drilling Design protocol acquisition module:Typing imports Drilling Design protocol, including:Borehole track, well bore knot
Structure, drill assembly, wellbore construction data, the wellbore construction data include drill bit, drilling fluid, drilling hydraulic parameters, trepan
Tool parameter;
Along the rock properties acquisition module of pit shaft:Based on the borehole track data of Drilling Design, with the depth interval of setting,
Extract the one-dimensional rock properties parameter of each depth point from rock properties data, or the manual typing one-dimensional parameter;
Packet module:Above-mentioned rock properties, Drilling Design protocol are polymerize by depth, form each depth point
The two-dimensional array of one group of data;
Drilling engineering calculates interface module:Drilling engineering calculating parameter is calculated separately out using each group of data, including:Pit shaft ring
Idle loop pressure equivalent density, drilling tool frictional resistance, torque and rate of penetration;
Drilling risk computing module:Using each group of rock properties, Drilling Design protocol, drilling engineering calculating parameter,
Calculate the drilling risk numerical value of each depth point;
Drilling well three-dimensional artificial display module:Lithosome, shaft structure, drilling tool, wellbore fluids, risk are carried out in three-dimensional scenic
Dynamic Announce, while auxiliary characterizes the key parameter in drilling process with two-dimensional curve, the real processes virtually crept into,
The key parameter includes lithology layering, casing programme, pore pressure, caving pressure, fracture pressure and mineshaft annulus cycle pressure
Power equal yield density.
8. system according to claim 7, it is characterised in that:The system further comprises:
Drilling Design parameter interaction adjustment module:For in drilling well simulation process to certain ginsengs in Drilling Design protocol
Number is adjusted, and will be adjusted in the array that item update is generated to packet module.
9. system according to claim 7 or 8, it is characterised in that:The system further comprises:
Simulation result memory module:The involved all initial data of this emulation, calculating data are unifiedly stored to drilling well and imitated
True data library;
Simulation result contrast module:If there is more sets of plan, the module by the data of each scheme and simulation result to scheme, table side
Formula carries out comparison and shows;
Scheme is selected eventually and output module:It chooses the best alternatives, and the design data of the optimal case and its simulation result is exported.
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