CN103523689A - Efficient, intelligent and safe petroleum drilling winch system and control method thereof - Google Patents
Efficient, intelligent and safe petroleum drilling winch system and control method thereof Download PDFInfo
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- CN103523689A CN103523689A CN201310510072.6A CN201310510072A CN103523689A CN 103523689 A CN103523689 A CN 103523689A CN 201310510072 A CN201310510072 A CN 201310510072A CN 103523689 A CN103523689 A CN 103523689A
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Abstract
The invention particularly relates to an efficient, intelligent and safe petroleum drilling winch system and a control method of the drilling winch system. According to the trinity system of the winch structure, the frequency conversion alternating current control mode, the electromagnetic eddy current brake structure and the control mode, the problems that a frequency conversion drilling machine is low in drilling efficiency, poor in down-pass safety and high in system failure rate are solved, wherein the problems trouble users for a long time. According to the technical scheme, the drilling winch system comprises a winch structure part and a winch control part. A winch structure comprises an electromagnetic turbine brake, a disk type brake, a drum shaft assembly and a double gear gearbox. The double gear gearbox is connected with alternating current frequency conversion motors through a clutch and connected with the drum shaft assembly through a clutch, the drum shaft assembly is connected with the electromagnetic turbine brake through a spline, and the disk type brake is connected between the drum shaft assembly and the electromagnetic turbine brake through the spline.
Description
One, technical field:
The present invention is specifically related to the safe petroleum drilling winch system of a kind of high efficiency smart and control method thereof.
Two, background technology:
That AC frequency conversion rig has is easy and simple to handle, control accuracy and reliability be compared with advantages of higher; Possess the manual intelligent network platform, compare with DC drive rig with traditional Mechanical Driven, there is following advantage:
1, the winch of rig, rotating disk can be realized stepless change, speed-regulating range width; With the permanent moment of torsion output of extremely low speed, very favourable to the settlement of accident of down-hole equipment, sidetracking, well workover, little mud displacement operation and drilling with optimized parameter operation.
2, can make the torque increment multiple in short-term of motor reach more than 1.5～2 times, greatly improve hoisting capacity and the capability in handling accident of rig.
3, owing to thering is the characteristic of permanent power, wide range speed control, can greatly simplify the physical construction of rig.
The function 4, with hydraulic torque restriction, can prevent that drilling tool or parts from twisting off.
5, alternating frequency conversion technique has safety protection function to motor.
6, the power-factor of load is high, has soft starting characteristic, reduces the capacity of power supply.
7,, under condition of loading, can realize smooth starting, braking and speed governing; Rising, during lower brills, by the feedback to power grid energy, reduce brake equipment loss, the saving energy.
8, alternating current dynamo has the features such as volume is little, single-machine capacity large, low price, and without carrying out Explosion-proof Design, maintenance cost is low, safe and reliable, easy operating management etc.
9, easily realize automation, the intellectuality of rig and the adaptive control changing to external world.
10, installation, dismounting and carrying etc. are convenient, flexible.
Because can making oil-well rig, variable-frequency control technique obtains better drilling well performance and broad speed governing range of use, be used for driving winch, can make winch weight minimizing 20～30%, size reduction 25～40%, and whole driving system is also greatly simplified, therefore generally believe that AC frequency conversion electric drive is the best drive form of current oil-well rig.In view of above-mentioned advantage, ac variable frequency speed regulation rig is developed rapidly in recent years, obtains widespread use at home and abroad.
In recent years, domestic AC frequency conversion rig has basically formed from 1000～12000 meters of rig series of products, after application in several years, through cognitive analysis again, compares with international advanced technology, and product exists following shortcoming:
1, compare with ac scr dc drive rig, round trip efficiency is low, and drilling period is long, cost is high.
2, due to drilling engineering technical requirements lower boring fast, and frequency conversion boring winch is owing to transferring the restriction of master mode, and decentralization process energy cannot discharge fast, larger to control system voltge surge, causes equipment failure rate high, and safety declines.
3, lifting process is transferred the restriction of master mode, causes hoisting speed to improve.For improving as far as possible hoisting speed, make full use of power of motor, cause winch motor of a great variety, standardization level is low, and interchangeability is poor.
4, frequency conversion rig is integrated by simple function, and winch structure, control system are not carried out the design of systematization coupling, and the integrated degree of hoister system is lower.
Three, summary of the invention:
The present invention is in order to solve the weak point in above-mentioned background technology, the safe petroleum drilling winch system of high efficiency smart and control method thereof that the frequency conversion drill drilling efficiency that provides a kind of trinity system from winch structure, frequency-changing AC master mode, electromagnetic eddy current brake structure and mode to solve long-term puzzlement user is low, transfer poor stability, system failure rate is higher.
For achieving the above object, the technical solution used in the present invention is: the safe petroleum drilling winch system of a kind of high efficiency smart, comprise winch structure part and winch control part, it is characterized in that: described winch structure comprises the brake of electromagnetism turbine, disk type brake, drum shaft assembly, folk art term change speed gear box, described folk art term change speed gear box is connected with alternating-current variable frequency motor by power-transfer clutch, folk art term change speed gear box is connected with drum shaft assembly by power-transfer clutch, drum shaft assembly is connected with the brake of electromagnetism whirlpool by spline, between drum shaft assembly and the brake of electromagnetism whirlpool, by spline joint, there is disk type brake,
Described winch control part comprises silicon controlled rectifier, PLC control system, frequency converter, driller's operator's station, touch-screen and cylinder coder, and described PLC control system is connected with silicon controlled rectifier, frequency converter, driller's console respectively by industrial-controlled general line; Driller's operator's station is connected with touch-screen with electromagnetic eddy current brake respectively by industrial-controlled general line; Silicon controlled rectifier is connected with electromagnetic eddy current brake by power cable; Frequency converter is connected with alternating-current variable frequency motor by power cable, and cylinder coder is connected with drum shaft assembly by drive coupling;
Described alternating-current variable frequency motor has two, is arranged at respectively the both sides of folk art term change speed gear box.
The control method of the described safe petroleum drilling winch system of a kind of high efficiency smart is:
1) start;
2) judging that whether PLC, vortex brake, height system be normal, is to enter next step; No, flow process finishes;
3) winch is transferred action, and the data of PLC system acquisition cylinder coder, judge by internal processes, by touch-screen, shows data;
4) carrying out winch and transfer after action, judge whether back to zero of winch given speed, is to enter the 8th) step, no, enter next step;
5) carry out the judgement of winch hook speed, relatively whether winch hook speed is greater than and sets hook speed, is, shows that PLC drives electromagnetic eddy current brake electric brake in short-term, controls winch hook speed setting in hook speed, and no, winch is pressed given speed operation;
6) judge whether tourist bus height approaches object height, is, enters next step; Otherwise PLC control system gathers the data of cylinder coder, judges by internal processes, by touch-screen, show data;
7) winch given speed back to zero;
8) PLC control system drives electromagnetic eddy current brake full braking, reduces rapidly hook speed until be zero, and electromagnetic eddy current brake function discharges;
9) winch zero-speed hovering;
10) finish.
Compared with prior art, advantage and effect that the present invention has are as follows: the present invention has retained the advantage of AC frequency conversion driving winch, optimize the fast feature of direct drive winch running speed of drawing, improve substantially the power utilization of winch drive motor, make the winch operating mode that hoists there is the characteristic of frequency conversion drive, lower driller's condition has direct drive characteristic, to realize safety, to make a trip fast, further improves drilling efficiency.This patent possesses winch position probing, sets up the math modeling that dynamically makes a trip, and with best actual effect, controls the process that makes a trip.New and effective intelligent and safe petroleum drilling winch and the control system that a kind of automatic control of braking, drilling process are realized compound automatic bit feed function.
Four, accompanying drawing explanation:
Fig. 1 is structural representation of the present invention;
Fig. 2 is control flow chart of the present invention;
Reference numeral: 1-drum shaft assembly, 2-alternating-current variable frequency motor, 3-folk art term change speed gear box, 4-cylinder coder, 5-disk type brake, the brake of 6-electromagnetism turbine, 7-PLC control system, 8-frequency converter, 9-driller operator's station, 10-touch-screen, 11-silicon controlled rectifier.
Five, the specific embodiment:
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail:
Referring to Fig. 1: the safe petroleum drilling winch system of a kind of high efficiency smart, comprise winch structure part and winch control part, described winch structure comprises electromagnetism turbine brake 6, disk type brake 5, drum shaft assembly 1, folk art term change speed gear box 3, described folk art term change speed gear box 3 is connected with alternating-current variable frequency motor 2 by power-transfer clutch, described alternating-current variable frequency motor has two, be arranged at respectively the both sides of folk art term change speed gear box, folk art term change speed gear box 3 is connected with drum shaft assembly 1 by power-transfer clutch, drum shaft assembly 1 is connected with electromagnetism whirlpool brake 6 by spline, between drum shaft assembly 1 and electromagnetism whirlpool brake 6, by spline joint, there is disk type brake 5, described winch control part comprises silicon controlled rectifier 11, PLC control system 7, frequency converter 8, driller's operator's station 9, touch-screen 10 and cylinder coder 4, and described PLC control system 7 is connected with silicon controlled rectifier 11, frequency converter 8, driller's operator's station 9 respectively by industrial-controlled general line, driller's operator's station 9 is connected with touch-screen 10 with electromagnetic eddy current brake 6 respectively by industrial-controlled general line, silicon controlled rectifier 11 is connected with electromagnetic eddy current brake 6 by power cable, frequency converter 8 is connected with two alternating-current variable frequency motors 2 by power cable, and cylinder coder 4 is connected with drum shaft assembly 1 by drive coupling.
By driller's operator's station 9, carry out M/C, touch-screen 10 shows data, by the 7 calculating and sending cloth instructions of PLC control system, controls the actions such as frequency converter 8 start-stops, speed; Cylinder coder 4 feedback signals, by PLC control system 7 programming controls, realize height system function, PLC control system 7 programming control silicon controlled rectifier 11 output adjustable DC electric currents, thus control disk type brake 5 and electromagnetic eddy current brake 6 are realized compound brake function; Frequency converter 8 is outputting power under PLC control system 7 is controlled, and controls 2 runnings of two alternating-current variable frequency motors, thereby drives 1 running of drum shaft assembly, i.e. winch running by mechanical connection;
Referring to Fig. 2: flow process starts, judge that whether PLC, vortex brake, height system be normal, no is that flow process finishes, and is to carry out winch to transfer action (data of PLC system acquisition cylinder coder, judge by internal processes, show data by touch-screen); Carrying out winch transfers after action, judge whether back to zero of winch given speed, the no winch hook speed of carrying out judges, to be that PLC drives electromagnetic eddy current brake full braking, reduce rapidly hook speed until be zero, electromagnetic eddy current brake function discharges (PLC system is adopted the data of frequency converter, by internal processes, judges, by touch-screen, shows data); Winch given speed is non-vanishing, judge whether winch hook speed is greater than setting hook speed, no is that winch moves by given speed, to be that PLC drives the crawl brake of electromagnetic eddy current brake short time, control winch hook speed and setting hook speed with the interior (data of PLC system acquisition frequency converter, by internal processes, judge, by touch-screen, show data); After judgement winch hook speed, judge whether tourist bus height approaches object height, the no winch that returns is transferred action, is to carry out the winch given speed back to zero (data of PLC system acquisition cylinder coder, by internal processes, judge, by touch-screen, show data); After winch given speed back to zero, PLC drives the crawl brake of electromagnetic eddy current brake short time, controls winch hook speed and is setting in hook speed; Carry out afterwards the hovering of winch zero-speed; Flow process finishes.
The problem that frequency conversion drill drilling efficiency that the present invention solves long-term puzzlement user by trinity system from winch structure, frequency-changing AC master mode, electromagnetic eddy current brake structure and mode is low, transfer poor stability, system failure rate is higher.
1, winch structure
Alternating-current variable frequency motor drives, folk art term gearbox designs, maintains the reasonable distribution that promotes operating loading, makes full use of power match, keep interchangeability, coil the maintenance full load configuration of stopping, configure dedicated electromagnetic eddy current brake, assist brake when transferring, absorbs and transfers energy, and keeps omnidistance extension to close.
2, electromagnetic eddy current brake
Electromagnetic eddy current brake adopts and the compound automatic bit feed of realizing of the main motor of winch; Brake torque master mode is PLC programming control, by control system, according to dynamic model, is transferred; Mouth according to winch structure reasonable Arrangement with mate, keep omnidistance extension to close; New and effective cooling system is applicable to high temperature and cold district is used, and adopts special material, expendable weight, reduced volume.
3, dedicated control system
(1) promote operating mode, VFD accurately controls, and keeps the advantage that variable-frequency hoist efficiency is high, control accuracy is high, and improves trip-out timeliness by optimizing process control program.
(2) transfer operating mode: frequency converter is carried out to pulse blocking, with electromagnetic eddy current brake, consume the energy producing in decentralization process, reach deceleration object.Apart from drilling floor surface setting height, utilizing the seizure restart facility of frequency converter, energy consumption braking system place in operation, frequency converter is set up hovering function, and can under crawl, bore, and while realizing make-up operation, accurately controls, and reaches drilling tool and transfers fast.
Transfer and adopt two kinds of master modes of PLC+BYPASS, under normal circumstances, the input of electromagnetic eddy current brake is controlled by PLC, under emergency condition, realizes electromagnetic eddy current brake torque peak export by button.
4, innovative point of the present invention is as follows:
(1) new and effective intelligent and safe petroleum drilling winch
-adopt variable-frequency hoist configuration electromagnetic eddy current brake+resistance braking to discharge fast the lower energy that bores.
The special-purpose variable-frequency motor of-normalisation large power high efficiency winch: permanent power range is wide, speed adjustable range is wide, power match is reasonable and reach advanced world standards, the special-purpose variable-frequency motor of highly versatile.
The efficient winch Special electromagnetic of-novel numerical control vortex brake: brake torque master mode is PLC programming control, is transferred according to dynamic model by control system; Mouth according to winch structure reasonable Arrangement with mate, keep omnidistance extension to close; New and effective cooling system is applicable to high temperature and cold district is used, and adopts low-carbon and low-sulphur material, expendable weight, reduced volume.Adopt and the compound automatic bit feed of realizing of the main motor of winch.
-high-efficiency high-power gear: special high-power gear, improve driving efficiency, reduce mechanical wear; Increase operational monitoring function.
(2) dedicated control system
-converter unit starts capturing technology again: open after this function, when frequency converter starts, can first first detect the current rotating speed of motor, now horsepower output can be followed motor speed until motor-field is set up completely.
The intelligent safety control technology of-overall process that makes a trip: trip-out VFD accurately controls, transfers the compound control of PLC+BYPASS, omnidistance intelligent safety control.
-multiple braking safe defencive function technology (MBS): multiple brake system provides disc type main brake, assist brake is energy consumption of electrical machinery braking and the compound work of electromagnetic eddy current brake, for system provides a plurality of Safety Redundancies.
-automatic wire rope the systems technology (WPS) of controlling: this system is controlled speed and the load of winch drum and appended steel rope.According to load and speed, the mild sudden stop of this system, can avoid Bird ' the s Nest Effect (Bird's Nest effect) that liquid-electric integrated device produces because PLC controls.
-NEW TYPE OF COMPOSITE automatic bit feed and driller's control system technology (ADS): adopt the main motor of electromagnetic eddy current brake and winch to organically combine, collection PLC Based Intelligent Control, drilling parameter are monitored and be shown as one, with compound mode, realize automatic bit feed function.
-marine drilling winch heave compensation function technology: novel PLC control system and heave checking system are responded to steel wire rope tension size in time, and control winch and tighten up or loosen steel rope heave is compensated, therefore require winch to possess fast lifting and the function of transferring.
In sum, AC frequency conversion drives winch omnidistance closed loop control in the process of making a trip, and running speed equals hoisting speed, and running speed is lower.Direct drive winch adopts open loop type to control, and when winch starts lower brill, drilling tool falls by free gravity, and when reaching certain running speed, assist brake place in operation, completes buffering and safety is slowed down, and running speed is higher.Therefore, at the AC frequency conversion driving rig of use, compare the problem that ubiquity drilling efficiency is low with ac scr dc drive rig.
The present invention retains the advantage that AC frequency conversion drives winch, optimize the fast feature of direct drive winch running speed of drawing, improve substantially the power utilization of winch drive motor, make the winch operating mode that hoists there is the characteristic of frequency conversion drive, lower driller's condition has direct drive characteristic, to realize safety, to make a trip fast, further improve drilling efficiency.The present invention possesses winch position probing, sets up the math modeling that dynamically makes a trip, and with best actual effect, controls the process that makes a trip.New and effective intelligent and safe petroleum drilling winch and the control system that a kind of automatic control of braking, drilling process are realized compound automatic bit feed function.
The present invention is the single shaft gear transmission winch that a kind of AC frequency conversion is controlled, and it is mainly comprised of assembly of elements such as ac variable-frequency electric motor, folk art term change speed gear box, disk type brake, electromagnetic eddy current brake, drum shaft assemblies.Winch power is driven by two power alternating-current variable frequency motors, and omnidistance infinite speed variation, controls by frequency-changing control system; By the gearshift gear shift of drop-gear box.Winch brake system is compound brake system, hydraulic disc brake, the efficient winch Special electromagnetic of novel numerical control vortex brake, energy consumption of electrical machinery braking, consists of.Winch transmission adopts gear-driven form, and gear and bearing lubrication adopt positive lubrication mode.Adopt the main motor of electromagnetic eddy current brake and winch to organically combine, collection PLC Based Intelligent Control, drilling parameter are monitored and are shown as one, with compound mode, realize automatic bit feed function.All parts of winch are installed on a base, form an independently transportation unit.
Claims (3)
1. the safe petroleum drilling winch system of high efficiency smart, comprise winch structure part and winch control part, it is characterized in that: described winch structure comprises electromagnetism turbine brake (6), disk type brake (5), drum shaft assembly (1), folk art term change speed gear box (3), described folk art term change speed gear box (3) is connected with alternating-current variable frequency motor (2) by power-transfer clutch, folk art term change speed gear box (3) is connected with drum shaft assembly (1) by power-transfer clutch, drum shaft assembly (1) is connected with electromagnetism whirlpool brake (6) by spline, between drum shaft assembly (1) and electromagnetism whirlpool brake (6), by spline joint, there is disk type brake (5),
Described winch control part comprises silicon controlled rectifier (11), PLC control system (7), frequency converter (8), driller's operator's station (9), touch-screen (10) and cylinder coder (4), and described PLC control system (7) is connected with silicon controlled rectifier (11), frequency converter (8), driller's console (9) respectively by industrial-controlled general line; Driller's operator's station (9) is connected with touch-screen (10) with electromagnetic eddy current brake (6) respectively by industrial-controlled general line; Silicon controlled rectifier (11) is connected with electromagnetic eddy current brake (6) by power cable; Frequency converter (8) is connected with alternating-current variable frequency motor (2) by power cable, and cylinder coder (4) is connected with drum shaft assembly (1) by drive coupling.
2. the safe petroleum drilling winch system of a kind of high efficiency smart according to claim 1, is characterized in that: described alternating-current variable frequency motor has two, is arranged at respectively the both sides of folk art term change speed gear box.
3. the control method of the safe petroleum drilling winch system of a kind of high efficiency smart according to claim 1 is:
1) start;
2) judging that whether PLC, vortex brake, height system be normal, is to enter next step; No, flow process finishes;
3) winch is transferred action, and the data of PLC system acquisition cylinder coder, judge by internal processes, by touch-screen, shows data;
4) carrying out winch and transfer after action, judge whether back to zero of winch given speed, is to enter the 8th) step, no, enter next step;
5) carry out the judgement of winch hook speed, relatively whether winch hook speed is greater than and sets hook speed, is, shows that PLC drives electromagnetic eddy current brake electric brake in short-term, controls winch hook speed setting in hook speed, and no, winch is pressed given speed operation;
6) judge whether tourist bus height approaches object height, is, enters next step; Otherwise PLC control system gathers the data of cylinder coder, judges by internal processes, by touch-screen, show data;
7) winch given speed back to zero;
8) PLC control system drives electromagnetic eddy current brake full braking, reduces rapidly hook speed until be zero, and electromagnetic eddy current brake function discharges;
9) winch zero-speed hovering;
10) finish.
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| CN104085812A (en) * | 2014-07-11 | 2014-10-08 | 常州科研试制中心有限公司 | Comprehensive electronic control system of mineral rope traction transportation devices |
| CN104444901A (en) * | 2014-12-10 | 2015-03-25 | 中曼石油钻井技术有限公司 | Electronic differential control system and method of bi-gear winch of oil rig |
| CN104500024A (en) * | 2014-12-11 | 2015-04-08 | 宝鸡石油机械有限责任公司 | Device and method for realizing soft stop of runner wagon of direct-current drilling machine |
| CN107337100A (en) * | 2017-08-25 | 2017-11-10 | 宜昌市微特电子设备有限责任公司 | Workover rig CAS |
| CN108639985A (en) * | 2018-04-09 | 2018-10-12 | 宝鸡石油机械有限责任公司 | A kind of high efficiency composition brake mode AC frequency conversion winch and its lower place control method |
| CN109236177A (en) * | 2018-11-26 | 2019-01-18 | 天津市东睿泰合科技有限公司 | A kind of asynchronously or synchronously motor-driven drill power system |
| CN109356563A (en) * | 2018-12-18 | 2019-02-19 | 中石化四机石油机械有限公司 | Automated drilling rig integrated security protects system and control logic |
| CN111170190A (en) * | 2020-04-11 | 2020-05-19 | 山东科瑞机械制造有限公司 | Drilling rig winch disc brake integrated control method and device |
| CN114604794A (en) * | 2022-01-25 | 2022-06-10 | 四川宏华电气有限责任公司 | System and method for controlling position of winch of oil rig |
| CN115056915A (en) * | 2022-06-23 | 2022-09-16 | 广东工业大学 | Large cable mooring device with five-connecting-rod quick release mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104085812B (en) * | 2014-07-11 | 2016-04-20 | 常州科研试制中心有限公司 | The comprehensive electric-control system of mining rope traction transportation device |
| CN104085812A (en) * | 2014-07-11 | 2014-10-08 | 常州科研试制中心有限公司 | Comprehensive electronic control system of mineral rope traction transportation devices |
| CN104444901A (en) * | 2014-12-10 | 2015-03-25 | 中曼石油钻井技术有限公司 | Electronic differential control system and method of bi-gear winch of oil rig |
| CN104500024A (en) * | 2014-12-11 | 2015-04-08 | 宝鸡石油机械有限责任公司 | Device and method for realizing soft stop of runner wagon of direct-current drilling machine |
| CN107337100A (en) * | 2017-08-25 | 2017-11-10 | 宜昌市微特电子设备有限责任公司 | Workover rig CAS |
| CN108639985B (en) * | 2018-04-09 | 2020-03-27 | 宝鸡石油机械有限责任公司 | Efficient composite brake mode alternating-current variable-frequency winch and lowering control method thereof |
| CN108639985A (en) * | 2018-04-09 | 2018-10-12 | 宝鸡石油机械有限责任公司 | A kind of high efficiency composition brake mode AC frequency conversion winch and its lower place control method |
| CN109236177A (en) * | 2018-11-26 | 2019-01-18 | 天津市东睿泰合科技有限公司 | A kind of asynchronously or synchronously motor-driven drill power system |
| CN109356563A (en) * | 2018-12-18 | 2019-02-19 | 中石化四机石油机械有限公司 | Automated drilling rig integrated security protects system and control logic |
| CN109356563B (en) * | 2018-12-18 | 2022-03-18 | 中石化四机石油机械有限公司 | Integrated safety protection system and control logic for automatic drilling machine |
| CN111170190A (en) * | 2020-04-11 | 2020-05-19 | 山东科瑞机械制造有限公司 | Drilling rig winch disc brake integrated control method and device |
| CN114604794A (en) * | 2022-01-25 | 2022-06-10 | 四川宏华电气有限责任公司 | System and method for controlling position of winch of oil rig |
| CN115056915A (en) * | 2022-06-23 | 2022-09-16 | 广东工业大学 | Large cable mooring device with five-connecting-rod quick release mechanism |
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