CN108868613A - Fishbone well waterpower drill bit creeps into hydraulic parameters Multipurpose Optimal Method and device - Google Patents
Fishbone well waterpower drill bit creeps into hydraulic parameters Multipurpose Optimal Method and device Download PDFInfo
- Publication number
- CN108868613A CN108868613A CN201810715155.1A CN201810715155A CN108868613A CN 108868613 A CN108868613 A CN 108868613A CN 201810715155 A CN201810715155 A CN 201810715155A CN 108868613 A CN108868613 A CN 108868613A
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- China
- Prior art keywords
- drill bit
- drilling parameter
- fishbone well
- bit drilling
- waterpower drill
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
Abstract
The invention discloses a kind of fishbone well waterpower drill bit drilling parameter Multipurpose Optimal Methods, which is characterized in that the multiple objective function including construction fishbone well waterpower drill bit drilling parameter optimization, wherein multiple objective function includes hydraulic parameters and structural parameters；The constraint condition for determining the multiple objective function of fishbone well waterpower drill bit drilling parameter optimization, establishes the fishbone well waterpower drill bit drilling parameter Model for Multi-Objective Optimization according to constraint condition；The fishbone well waterpower drill bit drilling parameter is determined according to fishbone well waterpower drill bit drilling parameter Model for Multi-Objective Optimization, to realize the fishbone well waterpower drill bit drilling parameter multiple-objection optimization.A kind of fishbone well waterpower drill bit drilling parameter Multipurpose Optimal Method provided by the invention carries out drilling parameter optimization according to constraint condition, has very big flexibility and wide applicability.
Description
Technical field
The present invention relates to subterranean resource drilling field of engineering technology, in particular to fishbone well waterpower drill bit drilling waterpower ginseng
Number Multipurpose Optimal Method and device.
Background technique
Fishbone well drilling technology due to can efficiently, be precisely controllable connected to oil-gas reservoir and opened in China's conventional oil gas reservoir
It is widely used in adopting.It can once get through up to 300 bifurcation approach in oil-gas Layer, and the exposed surface of oil-gas reservoir is significantly increased
Product, yield are high.
Abradant jet is one of common fluidics in fishbone well drilling technology.Solid abrasive particle is added for it
To high-pressure water jet perhaps by using water or slurry as the carrier of abrasive grain, making the mill after accelerating in high-pressure slurry jet stream
Material is directly to material impact.Abradant jet can be such that the rock breaking capacity of drill bit reinforces, and have high mechanical drilling speed and a small amount of brill
The characteristics of head abrasion, is widely applied in petroleum works field.Rotary abrasive jet is added by the upstream position in jet expansion
Dress puts english device and forms the process of rotating jet, when high-pressure fluid flows through nozzle by the diversion member of nozzle (such as impeller or
Person's diversion trench) the diffusion type jet stream with three-dimensional velocity is generated, the shape of rotating jet is movement rail horn-like, that jet stream is given directions
Mark is spiral shape, so having apparent diffusivity, can form much bigger impact area than conventional circular jet.
The major part of rotary abrasive jet includes impeller, nozzle and impeller buss, the structural parameters of impeller and touches mouth
Size have extremely important meaning for rotary abrasive jet.The ginseng such as the number of blade, the angle of outlet, impeller length of impeller
The angle of flare and broken rock pore-forming of several pairs of rotary abrasive jets have a certain impact rule, and impeller buss and impeller are matched by interference
Conjunction links together, and the size of nozzle also has important influence to jet stream.
Based on the above situation, it needs a kind of for comprehensively considering impeller, nozzle and impeller buss multiple target hydraulic parameters
Optimization method, for instructing field operation to design and construction.
Summary of the invention
To solve the above problems, the present invention provides a kind of fishbone well waterpower drill bits to creep into hydraulic parameters multiple-objection optimization
Method.Technical solution of the present invention is as follows：
On the one hand, present invention offer, a kind of fishbone well waterpower drill bit drilling parameter Multipurpose Optimal Method, including construction
The multiple objective function of fishbone well waterpower drill bit drilling parameter optimization, wherein the multiple objective function includes hydraulic parameters and structure
Parameter；The constraint condition for determining the multiple objective function of the fishbone well waterpower drill bit drilling parameter optimization, according to constraint condition
Establish the fishbone well waterpower drill bit drilling parameter Model for Multi-Objective Optimization；It is crept into and is joined according to the fishbone well waterpower drill bit
Number Model for Multi-Objective Optimization determines the fishbone well waterpower drill bit drilling parameter, to realize that the fishbone well waterpower drill bit bores
Into parameter multiple-objection optimization.
Optionally, the fishbone well waterpower drill bit includes rotary abrasive jet nozzle, impeller and impeller buss.
Optionally, the multiple objective function of the fishbone well waterpower drill bit drilling parameter optimization is：F (x)=α1f1(x)+α2f2(x), wherein f1It (x) is hydraulic parameters, f2It (x) is structural parameters；α1、α2For each function weighted value, α1+α2=1.
Optionally, the minimum interference amount δminCalculation formula be：δmin=eαmin+ei min；Wherein, eαminFor described
The external member of impeller buss inner hole is able to bear from minimum diameter variable quantity required when being axially forced to power；ei minFor described
The internal member of impeller be able to bear from be axially forced to power when, required minimum diameter variable quantity；
Optionally, the maximum interference amount δmaxCalculation formula be：δmax=eαmax+ei max；Wherein, eαmaxFor the leaf
The external member of wheel bushing inner hole does not generate the maximum gauge variable quantity allowed when plastic deformation；ei maxFor being wrapped for the impeller
Hold part and does not generate the maximum gauge variable quantity allowed when plastic deformation.
Optionally, the multiple objective function of the construction fishbone well waterpower drill bit drilling parameter optimization, wherein more mesh
Scalar functions include that hydraulic parameters and structural parameters specifically include, the stratum Soil Parameters according to Drilling Design parameter and operating area
Determine the size of nozzle in the hydraulic parameters.
On the other hand, the present invention provides a kind of fishbone well waterpower drill bit drilling parameter multiple-objection optimization devices, special
Sign is, including：
Multiple objective function establishes unit, for constructing the multiple objective function of fishbone well waterpower drill bit drilling parameter optimization；
Optimized model establishes unit, for determining the multiple objective function of the fishbone well waterpower drill bit drilling parameter optimization
Constraint condition, fishbone well waterpower drill bit drilling parameter Model for Multi-Objective Optimization is established according to the constraint condition；
Optimize unit, for determining the fish according to the fishbone well waterpower drill bit drilling parameter Model for Multi-Objective Optimization
Spur well water power drill bit drilling parameter, to realize fishbone well waterpower drill bit drilling parameter multiple-objection optimization.
The solution have the advantages that：
A kind of fishbone well waterpower drill bit drilling parameter Multipurpose Optimal Method provided by the invention, constructs fishbone well
The multiple objective function of waterpower drill bit drilling parameter optimization is built wherein the multiple objective function includes hydraulic parameters and structural parameters
Fishbone well waterpower drill bit drilling parameter Model for Multi-Objective Optimization has been found, drilling parameter optimization is carried out according to constraint condition, is had
Very big flexibility and wide applicability.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly with technical solution in the prior art, to embodiment or will show below
There is attached drawing used in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of fishbone well waterpower drill bit drilling parameter Multipurpose Optimal Method flow chart proposed by the present invention；
Fig. 2 is a kind of fishbone well waterpower drill bit drilling parameter multiple-objection optimization device composition block diagram proposed by the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the attached drawing of the embodiment of the present invention
Embodiment of the present invention is described further in detail.Obviously, the embodiment is a part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art are obtained under the premise of not making and creating labour
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, being a kind of fishbone well waterpower drill bit drilling parameter Multipurpose Optimal Method process.Including：
S10, the multiple objective function of construction fishbone well waterpower drill bit drilling parameter optimization, wherein the multiple objective function packet
Include hydraulic parameters and structural parameters.
Fishbone well waterpower drill bit of the present invention includes rotary abrasive jet nozzle, impeller and impeller buss.It influences
The principal element of abradant jet efficiency of breaking rock is hydraulic parameters (including pump pressure, jet size), structural parameters.Wherein, structure is joined
Number is mainly the impeller parameters of nozzle, including impeller bicker and the number of blade.
Designing the multiple objective function that fishbone well waterpower drill bit drilling parameter optimizes is：
F (x)=α1f1(x)+α2f2(x),
Wherein, f1It (x) is hydraulic parameters, f2It (x) is structural parameters；α1、α2For each function weighted value, α1+α2=1.
In the design of structural parameters, due to impeller and impeller buss be linked together by interference fit, if
Magnitude of interference is excessive, then assembly difficulty or even impeller is be easy to cause to cause to deform when being pressed into impeller buss；If magnitude of interference mistake
Small, then in Downhole jetting drilling process, impeller is easy to fall off, and therefore, it is particularly significant to choose suitable magnitude of interference.
Minimum interference amount δminCalculation formula be：
δmin=eαmin+ei min；
Wherein, eαminFor the external member of the impeller buss inner hole be able to bear from be axially forced to power when it is required most
Minor diameter variable quantity；ei minFor the internal member of the impeller be able to bear from be axially forced to power when, required minimum is straight
Diameter variable quantity；
Maximum interference amount δmaxCalculation formula be：
δmax=eαmax+ei max；
Wherein, eαmaxThe maximum gauge allowed when plastic deformation change is not generated for the external member of the impeller buss inner hole
Change amount；ei maxThe maximum gauge variable quantity allowed when plastic deformation is not generated for the internal member of the impeller.
In the design of hydraulic parameters, the stratum Soil Parameters according to Drilling Design parameter and operating area determine the water
The size of nozzle in force parameter.Exemplary, the nozzle uses YG6 hard alloy, nozzle outlet diameter 3mm.Touch outspoken diameter
It may be 1.5mm, 2mm, 2.5mm, 4mm, 5mm or 6mm.
S20 determines the constraint condition of the multiple objective function of the fishbone well waterpower drill bit drilling parameter optimization, according to about
Beam condition establishes the fishbone well waterpower drill bit drilling parameter Model for Multi-Objective Optimization.
It is random to generate initial population P (t) according to the constraint condition, wherein t is current evolutionary generation, t ∈ [0,
tmax].When t takes zero, to show group, tmaxFor maximum evolution parameter.It is excellent according to the fishbone well waterpower drill bit drilling parameter
The multiple objective function of change obtains adaptive value individual in P (t), according to genetic algorithm stop criterion, judges whether to meet termination item
Part, if t>tmax, then the fishbone well waterpower drill bit drilling parameter of optimization is exported；Otherwise, then it is selected according to the adaptation progress
Operation is to obtain winning individual.
S30 determines the fish bony spur well water according to the fishbone well waterpower drill bit drilling parameter Model for Multi-Objective Optimization
Power drill bit drilling parameter, to realize the fishbone well waterpower drill bit drilling parameter multiple-objection optimization.
A kind of fishbone well waterpower drill bit drilling parameter multiple-objection optimization device proposed by the present invention is as shown in Figure 2.Including：
Multiple objective function establishes unit 201, for constructing the multiple target letter of fishbone well waterpower drill bit drilling parameter optimization
Number；
Optimized model establishes unit 202, for determining the multiple target of the fishbone well waterpower drill bit drilling parameter optimization
The constraint condition of function establishes fishbone well waterpower drill bit drilling parameter Model for Multi-Objective Optimization according to the constraint condition；
Optimize unit 203, for determining institute according to the fishbone well waterpower drill bit drilling parameter Model for Multi-Objective Optimization
Fishbone well waterpower drill bit drilling parameter is stated, to realize fishbone well waterpower drill bit drilling parameter multiple-objection optimization.
A kind of fishbone well waterpower drill bit drilling parameter Multipurpose Optimal Method provided by the invention, constructs fishbone well
The multiple objective function of waterpower drill bit drilling parameter optimization is built wherein the multiple objective function includes hydraulic parameters and structural parameters
Fishbone well waterpower drill bit drilling parameter Model for Multi-Objective Optimization has been found, drilling parameter optimization is carried out according to constraint condition, is had
Very big flexibility and wide applicability.
The foregoing is merely better embodiments of the invention, are not intended to limit the invention, all in spirit of the invention
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of fishbone well waterpower drill bit drilling parameter Multipurpose Optimal Method, which is characterized in that including
The multiple objective function of fishbone well waterpower drill bit drilling parameter optimization is constructed, wherein the multiple objective function includes waterpower ginseng
Several and structural parameters；
The constraint condition for determining the multiple objective function of the fishbone well waterpower drill bit drilling parameter optimization, builds according to constraint condition
Found the fishbone well waterpower drill bit drilling parameter Model for Multi-Objective Optimization；
Determine that the fishbone well waterpower drill bit bores according to the fishbone well waterpower drill bit drilling parameter Model for Multi-Objective Optimization
Into parameter, to realize the fishbone well waterpower drill bit drilling parameter multiple-objection optimization.
2. the fishbone well waterpower drill bit drilling parameter Multipurpose Optimal Method according to claim 1, which is characterized in that institute
Stating fishbone well waterpower drill bit includes rotary abrasive jet nozzle, impeller and impeller buss.
3. the fishbone well waterpower drill bit drilling parameter Multipurpose Optimal Method according to claim 1, which is characterized in that institute
Stating the multiple objective function that fishbone well waterpower drill bit drilling parameter optimizes is：
F (x)=α1f1(x)+α2f2(x), wherein f1It (x) is hydraulic parameters, f2It (x) is structural parameters；α1、α2For each function weight
Value, α1+α2=1.
4. the fishbone well waterpower drill bit drilling parameter Multipurpose Optimal Method according to claim 3, which is characterized in that institute
Stating structural parameters includes minimum interference amount δmin, maximum interference amount δmax, calculation formula is：
5. the fishbone well waterpower drill bit drilling parameter Multipurpose Optimal Method according to claim 4, which is characterized in that institute
State minimum interference amount δminCalculation formula be：
δmin=eα min+ei min；
Wherein, eα minFor the external member of the impeller buss inner hole be able to bear from be axially forced to power when required minimum it is straight
Diameter variable quantity；ei minFor the internal member of the impeller be able to bear from be axially forced to power when, required minimum diameter becomes
Change amount；
The maximum interference amount δmaxCalculation formula be：
δmax=eα max+ei max；
Wherein, eα maxThe maximum gauge allowed when plastic deformation variation is not generated for the external member of the impeller buss inner hole
Amount；ei maxThe maximum gauge variable quantity allowed when plastic deformation is not generated for the internal member of the impeller.
6. the fishbone well waterpower drill bit according to claim 1 creeps into hydraulic parameters Multipurpose Optimal Method, feature exists
In the multiple objective function of the construction fishbone well waterpower drill bit drilling parameter optimization, wherein the multiple objective function includes water
Force parameter and structural parameters specifically include, and the stratum Soil Parameters according to Drilling Design parameter and operating area determine the waterpower
The size of nozzle in parameter.
7. the fishbone well waterpower drill bit according to claim 1 creeps into hydraulic parameters Multipurpose Optimal Method, feature exists
In, the constraint condition include bit pressure constraint condition, revolving speed constraint condition, bit wear amount constraint condition, drilling depth constraint condition,
Rate of penetration constraint condition.
8. a kind of fishbone well waterpower drill bit drilling parameter multiple-objection optimization device, which is characterized in that including：
Multiple objective function establishes unit, for constructing the multiple objective function of fishbone well waterpower drill bit drilling parameter optimization；
Optimized model establishes unit, the pact of the multiple objective function for determining the fishbone well waterpower drill bit drilling parameter optimization
Beam condition establishes fishbone well waterpower drill bit drilling parameter Model for Multi-Objective Optimization according to the constraint condition；
Optimize unit, for determining the fish bony spur according to the fishbone well waterpower drill bit drilling parameter Model for Multi-Objective Optimization
Well water power drill bit drilling parameter, to realize fishbone well waterpower drill bit drilling parameter multiple-objection optimization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810715155.1A CN108868613A (en) | 2018-07-03 | 2018-07-03 | Fishbone well waterpower drill bit creeps into hydraulic parameters Multipurpose Optimal Method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810715155.1A CN108868613A (en) | 2018-07-03 | 2018-07-03 | Fishbone well waterpower drill bit creeps into hydraulic parameters Multipurpose Optimal Method and device |
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| CN108868613A true CN108868613A (en) | 2018-11-23 |
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Cited By (2)
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| CN112282720A (en) * | 2020-11-19 | 2021-01-29 | 广州海洋地质调查局 | On-site construction method of fishbone well and corresponding matched equipment |
| CN114278281A (en) * | 2021-12-24 | 2022-04-05 | 北京西华益昌技术开发有限责任公司 | Method, device, equipment and storage medium for optimizing measurement resolution of measuring device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112282720A (en) * | 2020-11-19 | 2021-01-29 | 广州海洋地质调查局 | On-site construction method of fishbone well and corresponding matched equipment |
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| CN114278281A (en) * | 2021-12-24 | 2022-04-05 | 北京西华益昌技术开发有限责任公司 | Method, device, equipment and storage medium for optimizing measurement resolution of measuring device |
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Application publication date: 20181123 |