CN106640035A - VFD control system and method for automatic optimization of drilling parameters - Google Patents
VFD control system and method for automatic optimization of drilling parameters Download PDFInfo
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- CN106640035A CN106640035A CN201611179351.9A CN201611179351A CN106640035A CN 106640035 A CN106640035 A CN 106640035A CN 201611179351 A CN201611179351 A CN 201611179351A CN 106640035 A CN106640035 A CN 106640035A
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- 238000005553 drilling Methods 0.000 title claims abstract description 108
- 238000005457 optimization Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims description 10
- 239000011435 rock Substances 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 4
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 description 3
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 description 3
- 235000008434 ginseng Nutrition 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000012913 prioritisation Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a VFD control system and method for automatic optimization of drilling parameters. The system includes a programmable controller PLC subsystem, a control display screen, a frequency converter VFD and a motor. The programmable controller PLC subsystem collects drilling data in real time and calculates and analyzes all kinds of data which serves as a basis of the optimized operation; the control display screen can have access to a webpage of the programmable controller PLC subsystem, displays various parameters and can automatically conduct the optimized operation; the frequency converter VFD receives a control command of the programmable controller subsystem and controls the rotating speed of the motor; the method is based on mechanical specific energy calculation, and the automatic optimization and manual optimization are combined. According to the VFD control system and method for the automatic optimization of the drilling parameters, the drilling efficiency is improved, the wearing capacity of the drilling head is reduced, downhole working conditions can be predicted, drilling accidents are prevented, and the drilling cost is reduced.
Description
Technical field
The present invention relates to field of oil drilling, the VFD control systems and method of specifically a kind of drilling parameter Automatic Optimal.
Background technology
Current rig is an executing agency, needs driller to be bored according to the setting of the optimization before drilling result of drilling engineer
Well parameter, such as pump impulse（Discharge capacity）, Top Drive RPM, the pressure of the drill etc., rig itself cannot also real-time optimization these drilling parameters, and future
Drilling technology inevitable trend automation, intelligent.According to the change of drilling condition, drilling parameter it is real-time（Closed loop）Optimization work(
It can will be the inevitable requirement to drilling equipment.The optimization of drilling parameter belongs to drilling engineering category, meets " internet+equipment system
Make " theory, i.e., device fabrication to service expand extend.Current borer system is the optimization before drilling with least cost as target
Based on, the optimization of drilling parameter is mainly optimization before drilling of the drilling engineer with least cost pattern as target, is also not carried out
According to the change real-time optimization of drilling condition, the real-time optimization of drilling parameter is also in the research and probe stage.
The Chinese patent of Publication No. CN103046918A discloses a kind of method and apparatus of drilling parameter optimization, belongs to
Oil-drilling field.The embodiment of the present invention includes：Obtain real-time drilling parameter；According to obtain the drilling parameter, in real time
The virtual intensity index of calculating；According to the virtual intensity index, adjusting the drilling parameter reduces virtual intensity index；Its
In, the drilling parameter is specially：The drilling wells such as rotary speed, moment of torsion, the pressure of the drill, rate of penetration, mud pumpage, bit pressure drop
Parameter.The drilling parameter that the embodiment of the present invention is fed back by real-time geo-environmental change, and virtual intensity is calculated in real time
Index VSI, according to the virtual intensity index VSI with actual strength correlation of indices, real-time adjustment drilling parameter causes virtual intensity
Index VSI, so that bit cutting efficiency is constantly in optimum state as far as possible, improves drilling efficiency.The patent institute
The virtual intensity index of calculating stated is different based on the technical scheme that mechanical ratio can be calculated from the present invention.
The Chinese patent of Publication No. CN103790568A discloses a kind of drilling parameter and efficiency real-time optimization method, first
Drilling extracting core is first carried out, using the method in step A rock strength model is set up, according to drilling fluid density, property and earth bore
Gap pressure, is judged as any drilling mode, and then uniaxial compressive strength can be directly used if gas drilling, otherwise calculates
Shaft bottom Under Confining Pressure intensity, calculates drill bit mechanical ratio energy, by calculated drill bit mechanical ratio energy using log data
Compare with rock strength under the confined pressure of shaft bottom.The model that the present invention sets up can find out the critical of the drilling parameters such as the pressure of the drill, rotating speed
Failpoint, can play the purpose of real-time optimization drilling parameter so that drilling duty is obtained effectively on the basis of drilling well is existing
Lifting.The rock strength model that the patent is set up is different from the present invention, synthetic wells hydraulic parameter of the present invention, machinery ginseng
Number, drilling well are known than energy theory, optimized drilling parameter, drill bit Real-Time Evaluation parameter etc. to the inefficient state in drilling process
Not, analyze and propose that real-time prioritization scheme improves drilling efficiency.
The Chinese patent of Publication No. CN101899969A discloses a kind of real-time on-site full parameter optimization boring method, its
Mainly include hydraulic optimization, the pressure of the drill optimization and the part of rotational speed optimization three.The method passes through the pumpage for measuring on the spot and pump pressure
Relation is determining the hydraulic parameters of optimum, and the size of selected bit nozzle, under this precondition, then by real-time monitored
Adjust the pressure of the drill and during rotating speed the unit broken rock work(that drill bit is made change to determine the optimum weight on bit with regard to current drilling stratum
And rotating speed.Situ of drilling well workmen can real-time and on the spot be optimized accordingly to drilling well waterpower, the pressure of the drill and rotating speed, so as to most
Bigization drilling efficiency, maximize drilling machinery drilling speed, and improve drill bit service life or single footage per bit.The patent can not
Guiding driller is automatically and manually selected optimization, and the technical side being optimized based on the calculating of mechanical ratio energy with the present invention
Case is different.
At present the optimization of drilling parameter, is also not carried out carrying out real-time optimization according to the change of drilling condition, existing excellent
Change process efficiency is low, and bit wear is serious.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, the optimization method based on mechanical ratio energy concept is improving brill
The intelligent level of machine, there is provided the VFD control systems and method of a kind of drilling parameter Automatic Optimal, at least up to improve drilling well
Efficiency, the effect for reducing bit wear amount, prediction underground working, prevention drilling failure and reduction drilling cost.
The purpose of the present invention is achieved through the following technical solutions：A kind of VFD controls of drilling parameter Automatic Optimal
System, it includes programmable controller PLC subsystem, control display screen, frequency converter VFD and motor, described PLC technology
Device PLC subsystem Real-time Collection well datas, and various data are calculated and analyze, as the foundation of optimization operation, described control
Display screen processed is able to access that the Webpage of the programmable controller PLC subsystem, shows various parameters, can carry out automatically
Optimization operation, described frequency converter VFD receives the control command of the Programmable Logic Controller subsystem, controlled motor rotating speed.
Described control display screen can show formation lithology, rock strength, mechanical ratio energy, drilling speed, moment of torsion, the number of the pressure of the drill
According to this and corresponding tendency chart；Display well parameter, operation indicating and Optimal State；Show and manually or automatically optimize drilling well ginseng
Number.
The programmable controller PLC subsystem includes Webpage, and Webpage shows various parameters, additionally it is possible to according to
Display reminding driller operates.
A kind of automatic optimization method of VFD control systems drilling parameter, it is comprised the following steps：
Initialization, is input into underlying parameter；
According to whether there are offset well data facing well data to load, and carry out prediction before drilling；
Starting guide process；
Given according to current the pressure of the drill, rotating speed and pump impulse, calculating machine is than energy parameter；
When there are offset well data, it is compared with offset well data according to current data, if offset well data are more excellent, by using offset well
The pressure of the drill, rotating speed and pump impulse are given as next given, if current data is more excellent, will keep current given；
When without offset well data, drilling state detection is carried out, processed accordingly according to state-detection result, complete optimization.
Further, during drilling parameter optimization, the given of real-time estimate next step the pressure of the drill, rotating speed and pump impulse is needed
Value, can be given by the various combinations of the pressure of the drill, rotating speed and pump impulse, and Real-time Collection well data, and calculating machine is than energy, bit grinding
Damage, hydraulic pressure are compared than the Slope Parameters of energy, cost, the pressure of the drill and drilling speed, draw optimal giving value.
Further, in drilling parameter optimization, optimization or Automatic Optimal manually can be selected.
Described state-detection result includes state 0, state 1, state 2, state 3, state 4, and state 0 is represented and just detected,
State 1 represents optimum, and state 2 represents the layer that refoots, and state 3 is represented wears interlayer, and state 4 represents drill bit and goes bad or worn-out, wherein
State 2 and state 3 need to be optimized more accurately to judge corresponding state, and state 4 needs trip-out to carry out more bit change.
The invention has the beneficial effects as follows：Synthetic wells hydraulic parameter of the present invention, mechanical parameter, drilling well are than can be theoretical, most
Optimization drilling parameter, drill bit Real-Time Evaluation parameter etc. are identified to the inefficient state in drilling process, analyze and propose in real time
Prioritization scheme, improves drilling efficiency, and the complicated state that auxiliary judgment down-hole occurs predicts underground working, including bit balling, brill
The operating modes such as tool vibrations, the passivation of shaft bottom mud drum, drill bit, it is possible to reduce down-hole accident occurs, and improves drilling efficiency, reduces bit wear
Amount, reduces drilling cost.
Description of the drawings
Fig. 1 is the drilling parameter optimization flow chart of the present invention；
Fig. 2 is the Webpage of the programmable controller PLC subsystem of the present invention.
Specific embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
Described below.
A kind of VFD control systems of drilling parameter Automatic Optimal, it includes that programmable controller PLC subsystem, control are aobvious
Display screen, frequency converter VFD and motor, described programmable controller PLC subsystem Real-time Collection well data, and calculate and analyze
Various data, used as the foundation of optimization operation, described control display screen is able to access that the programmable controller PLC subsystem
Webpage, show various parameters, can automatically be optimized operation, the described frequency converter VFD receptions programmable control
The control command of device subsystem processed, controlled motor rotating speed.
Described control display screen can show formation lithology, rock strength, mechanical ratio energy, drilling speed, moment of torsion, the number of the pressure of the drill
According to this and corresponding tendency chart；Display well parameter, operation indicating and Optimal State；Show and manually or automatically optimize drilling well ginseng
Number.
The programmable controller PLC subsystem includes Webpage, and Webpage shows various parameters, additionally it is possible to according to
Display reminding driller operates.
A kind of automatic optimization method of VFD control systems drilling parameter, it is comprised the following steps：
Initialization, is input into underlying parameter；
According to whether there are offset well data facing well data to load, and carry out prediction before drilling；
Starting guide process；
Given according to current the pressure of the drill, rotating speed and pump impulse, calculating machine is than energy parameter；
When there are offset well data, it is compared with offset well data according to current data, if offset well data are more excellent, by using offset well
The pressure of the drill, rotating speed and pump impulse are given as next given, if current data is more excellent, will keep current given；
When without offset well data, drilling state detection is carried out, processed accordingly according to state-detection result, complete optimization.
Further, during drilling parameter optimization, the given of real-time estimate next step the pressure of the drill, rotating speed and pump impulse is needed
Value, can be given by the various combinations of the pressure of the drill, rotating speed and pump impulse, and Real-time Collection well data, and calculating machine is than energy, bit grinding
Damage, hydraulic pressure are compared than the Slope Parameters of energy, cost, the pressure of the drill and drilling speed, draw optimal giving value.
Further, in drilling parameter optimization, optimization or Automatic Optimal manually can be selected.
Described state-detection result includes state 0, state 1, state 2, state 3, state 4, and state 0 is represented and just detected,
State 1 represents optimum, and state 2 represents the layer that refoots, and state 3 is represented wears interlayer, and state 4 represents drill bit and goes bad or worn-out, wherein
State 2 and state 3 need to be optimized more accurately to judge corresponding state, and state 4 needs trip-out to carry out more bit change.
Programmable controller PLC subsystem Real-time Collection well data, and various data are calculated and analyze, as optimization behaviour
The foundation of work；
Control display screen, by web interface in access PLC, as shown in Fig. 2 various parameters are shown, and according to display reminding department
Bore operation or be optimized operation automatically；
Frequency converter VFD receives the control command of PLC, controlled motor rotating speed.
As shown in Fig. 2 a kind of main interface of the VFD control systems of drilling parameter Automatic Optimal, it is shown that formation lithology, rock
Stone intensity, mechanical ratio energy (MSE), drilling speed (ROP), moment of torsion, the data of the pressure of the drill (WOB) and corresponding tendency chart；Display well parameter；
Show operation indicating and Optimal State；Manually or automatically optimize drilling parameter.
As shown in figure 1, drilling parameter optimization flow process：Carry out first initializing the input with underlying parameter；According to whether having
Offset well data carry out prediction before drilling loading offset well data；Starting guide process；Given according to current the pressure of the drill, rotating speed and pump impulse
Fixed, calculating machine is than energy and other specification；When there are offset well data, it is compared with offset well data according to current data, if adjacent
Well data are more excellent, will be given as next given using the pressure of the drill of offset well, rotating speed and pump impulse, if current data is more excellent, will protect
Hold current given；When without offset well data, drilling state detection, state 0 are carried out（Just detect）, state 1（It is optimum）, state 2
（Change stratum）, state 3（Wear interlayer）, state 4（Drill bit is bad or worn-out）, wherein state 2 and 3 needs to be optimized and comes more accurate
Really judge corresponding state, state 4 needs trip-out to carry out more bit change；During drilling parameter optimization, under needing real-time estimate
The set-point of one step the pressure of the drill, rotating speed and pump impulse, can be given by the various combinations of the pressure of the drill, rotating speed and pump impulse, and Real-time Collection is bored
Well data, calculating machine compares the parameters such as the slope of energy (MSE), bit wear, hydraulic pressure than energy, cost and the pressure of the drill and drilling speed, carries out
Relatively, optimal giving value is drawn；In drilling parameter optimization, optimization or Automatic Optimal manually may be selected.
The above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form, is not to be taken as the exclusion to other embodiment, and can be used for various other combinations, modification and environment, and can be at this
In the text contemplated scope, it is modified by the technology or knowledge of above-mentioned teaching or association area.And those skilled in the art are entered
Capable change and change, then all should be in the protection domains of claims of the present invention without departing from the spirit and scope of the present invention
It is interior.
Claims (7)
1. a kind of VFD control systems of drilling parameter Automatic Optimal, it is characterised in that：It includes programmable controller PLC subsystem
System, control display screen, frequency converter VFD and motor, described programmable controller PLC subsystem Real-time Collection well data, and
Various data are calculated and analyze, used as the foundation of optimization operation, described control display screen is able to access that the PLC technology
The Webpage of device PLC subsystems, shows various parameters, can automatically be optimized operation, and described frequency converter VFD receives institute
State the control command of Programmable Logic Controller subsystem, controlled motor rotating speed.
2. VFD control systems of a kind of drilling parameter Automatic Optimal according to claim 1, it is characterised in that：Described
Control display screen can show formation lithology, rock strength, mechanical ratio energy, drilling speed, moment of torsion, the data of the pressure of the drill and become accordingly
Gesture figure；Display well parameter, operation indicating and Optimal State；Display manually or automatically optimizes drilling parameter.
3. VFD control systems of a kind of drilling parameter Automatic Optimal according to claim 1, it is characterised in that：It is described can
Programmable controller PLC subsystems include Webpage, and Webpage shows various parameters, additionally it is possible to grasped according to display reminding driller
Make.
4. a kind of automatic optimization method of VFD control systems drilling parameter, it is characterised in that it is comprised the following steps：
Initialization, is input into underlying parameter；
According to whether there are offset well data facing well data to load, and carry out prediction before drilling；
Starting guide process；
Given according to current the pressure of the drill, rotating speed and pump impulse, calculating machine is than energy parameter；
When there are offset well data, it is compared with offset well data according to current data, if offset well data are more excellent, by using offset well
The pressure of the drill, rotating speed and pump impulse are given as next given, if current data is more excellent, will keep current given；
When without offset well data, drilling state detection is carried out, processed accordingly according to state-detection result, complete optimization.
5. the automatic optimization method of a kind of VFD control systems drilling parameter according to claim 4, it is characterised in that：Bore
In well parameter optimisation procedure, need the set-point of real-time estimate next step the pressure of the drill, rotating speed and pump impulse, can by the pressure of the drill, rotating speed and
The various combinations of pump impulse give, and Real-time Collection well data, and calculating machine is than energy, bit wear, hydraulic pressure than energy, cost, brill
Pressure and the Slope Parameters of drilling speed, are compared, and draw optimal giving value.
6. the automatic optimization method of a kind of VFD control systems drilling parameter according to claim 4, it is characterised in that：
In drilling parameter optimization, optimization or Automatic Optimal manually can be selected.
7. the automatic optimization method of a kind of VFD control systems drilling parameter according to claim 4, it is characterised in that：Institute
The state-detection result stated includes state 0, state 1, state 2, state 3, state 4, and state 0 is represented and just detected, state 1 is represented
Optimum, state 2 represents the layer that refoots, and state 3 is represented wears interlayer, and state 4 represents drill bit and goes bad or worn-out, wherein state 2 and state 3
Need to be optimized more accurately to judge corresponding state, state 4 needs trip-out to carry out more bit change.
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Cited By (9)
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| CN109441342A (en) * | 2018-10-23 | 2019-03-08 | 成都科盛石油科技有限公司 | A kind of drilling accelerated method in shale formation |
| CN110795888A (en) * | 2019-09-12 | 2020-02-14 | 四川宏华电气有限责任公司 | Petroleum drilling risk prediction method |
| CN110852018A (en) * | 2019-10-21 | 2020-02-28 | 中国石油集团长城钻探工程有限公司 | PSO drilling parameter optimization method based on neural network |
| CN111411933A (en) * | 2020-03-27 | 2020-07-14 | 中国石油集团工程技术研究院有限公司 | Method for evaluating underground working condition of PDC (polycrystalline diamond compact) drill bit |
| CN111577268A (en) * | 2020-05-25 | 2020-08-25 | 中国地质大学（北京） | Method for judging rock lithology by using drilling tool vibration parameters |
| CN112727433A (en) * | 2020-12-24 | 2021-04-30 | 四川宏华电气有限责任公司 | Drilling parameter optimization method |
| CN115182692A (en) * | 2022-08-10 | 2022-10-14 | 中国石油天然气集团有限公司 | Electrically driven gas drilling system and method |
| CN115470682A (en) * | 2022-10-20 | 2022-12-13 | 江苏大学 | Pump station unit hydraulic component wear and service life prediction method based on digital twinning |
| WO2024067376A1 (en) * | 2022-09-29 | 2024-04-04 | 中煤科工西安研究院(集团)有限公司 | Drilling-operation-parameter adaptive decision making method based on feeding damping and mechanical specific energy |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441342A (en) * | 2018-10-23 | 2019-03-08 | 成都科盛石油科技有限公司 | A kind of drilling accelerated method in shale formation |
| CN109441342B (en) * | 2018-10-23 | 2020-04-07 | 成都科盛石油科技有限公司 | Drilling acceleration method in shale formation |
| CN110795888A (en) * | 2019-09-12 | 2020-02-14 | 四川宏华电气有限责任公司 | Petroleum drilling risk prediction method |
| CN110852018A (en) * | 2019-10-21 | 2020-02-28 | 中国石油集团长城钻探工程有限公司 | PSO drilling parameter optimization method based on neural network |
| CN111411933A (en) * | 2020-03-27 | 2020-07-14 | 中国石油集团工程技术研究院有限公司 | Method for evaluating underground working condition of PDC (polycrystalline diamond compact) drill bit |
| CN111411933B (en) * | 2020-03-27 | 2021-01-12 | 中国石油集团工程技术研究院有限公司 | Method for evaluating underground working condition of PDC (polycrystalline diamond compact) drill bit |
| CN111577268A (en) * | 2020-05-25 | 2020-08-25 | 中国地质大学（北京） | Method for judging rock lithology by using drilling tool vibration parameters |
| CN112727433A (en) * | 2020-12-24 | 2021-04-30 | 四川宏华电气有限责任公司 | Drilling parameter optimization method |
| CN115182692A (en) * | 2022-08-10 | 2022-10-14 | 中国石油天然气集团有限公司 | Electrically driven gas drilling system and method |
| WO2024067376A1 (en) * | 2022-09-29 | 2024-04-04 | 中煤科工西安研究院(集团)有限公司 | Drilling-operation-parameter adaptive decision making method based on feeding damping and mechanical specific energy |
| CN115470682A (en) * | 2022-10-20 | 2022-12-13 | 江苏大学 | Pump station unit hydraulic component wear and service life prediction method based on digital twinning |
| CN115470682B (en) * | 2022-10-20 | 2023-05-05 | 江苏大学 | Digital twinning-based pump station unit hydraulic component abrasion and service life prediction method |
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