CN109488227A - Hydraulic wireline winch automatic bit feed control system and its automatic bit feed control method - Google Patents
Hydraulic wireline winch automatic bit feed control system and its automatic bit feed control method Download PDFInfo
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- CN109488227A CN109488227A CN201910037958.0A CN201910037958A CN109488227A CN 109488227 A CN109488227 A CN 109488227A CN 201910037958 A CN201910037958 A CN 201910037958A CN 109488227 A CN109488227 A CN 109488227A
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- pressure
- winch
- bit
- motor
- feed control
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005553 drilling Methods 0.000 claims abstract description 26
- 238000004146 energy storage Methods 0.000 claims description 6
- 239000003208 petroleum Substances 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 241001074085 Scophthalmus aquosus Species 0.000 abstract description 10
- 238000004880 explosion Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 7
- 239000003129 oil well Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
-
- 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
- E21B44/02—Automatic control of the tool feed
- E21B44/04—Automatic control of the tool feed in response to the torque of the drive ; Measuring drilling torque
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of hydraulic wireline winch automatic bit feed control systems, are mainly made of the tension sensor being arranged between winch and drilling tool, bit pressure adjuster and oil pump, proportional pressure-reducing valve and accumulator.The tension sensor is connected with bit pressure adjuster, and the bit pressure adjuster is connected with oil pump and proportional pressure-reducing valve, and oil pump is connected with winch motor, and motor is made of multiple, and is arranged symmetrically in winch drum both ends, directly drives winch drum by primary speed-down.The invention also discloses a kind of based on above-mentioned control system new type auto send brill control method.The present invention is by adjusting the discharge capacity of pump and the pressure of proportional pressure-reducing valve, to reach the inlet pressure for adjusting hydraulic winch motor to realize accurate adjusting bit pressure, realize automation control, simple, convenient, it is high to bore pressure controling precision, automatic bit feed effect is good, driller's labor intensity can be mitigated, it is at low cost, there is no anti-explosion safety risk.
Description
Technical field
The present invention relates to drilling machine fields, more particularly, to a kind of oil-well rig hydraulic wireline winch automatic bit feed control system and certainly
It is dynamic to send brill control method.
Background technique
Hydraulic petroleum boring winch with oil drilling industry development and boring method, drilling technology appearance and generate,
Corresponding change occurs with the development of drilling technology again；In recent years, hydraulic petroleum rig automation, digitlization, intelligence and
The level of IT application is fast-developing；In oil-well rig deep drilling exploration, bit pressure power controls to protection drilling tool, improves drilling efficiency, anti-
Only drilling failure, reduction labor intensity of workers etc. are all critically important；And the premise that bit pressure power is automatic bit feed is controlled, bit pressure power
What is controlled is good, and automatic bit feed effect is all right, can mitigate significantly the labor intensity of driller's work, and can be reduced driller's number amount；Cause
The control of this bit pressure power is a core technology of oil-well rig.
Existing frequently-used drilling machine, which bores pressure controling mode, to be had: low power frequency conversion is separately configured and send brill motor, the motor is logical
Excessive ratio reduction is connected with main-gear box；Electric moter voltage frequency and voltage value are bored by adjusting to send to adjust to send and bore motor
Revolving speed realizes the control of bit pressure power and automatic bit feed with braking moment；This method is adapted to common electricity and drives winch, the control of bit pressure power
It is more stable；The disadvantage is that: 1) automatic bit feed technology complicated, and long flow path, weight is larger, increases the complexity of speed reducer；2) become
The cost of frequency device and fire-proof motor is relatively high；3) anti-explosion safety risk is increased.
Brill is sent using main variable-frequency motor；The main motor of winch uses fire-proof motor, is equipped with big-power transducer；Adjusting method
Ibid；This method is suitable for the winch using variable-frequency motor driving, and the control of bit pressure power is also more stable；The disadvantage is that high expensive,
Increase anti-explosion safety risk.
Send brill using direct-current main motor, by adjust direct current generator speed and control moment come realize bit pressure power control with from
It is dynamic to send brill；This method is suitable for the winch using direct current generator driving, and the control of bit pressure power is more stable；The disadvantage is that high expensive,
Increase anti-explosion safety risk.
The control of bit pressure power and automatic bit feed are realized using mechanical disc brake brake force is adjusted；Advantage is relative inexpensiveness；
The disadvantage is that: 1) by adjust frictional disk brake force realize bit pressure power control, bore pressure controling precision not high；2) bit pressure power control essence
Degree is not high, and brill automation is sent just to be restricted, and driller's work operates labor intensity with regard to big；3) during entirely sending brill, frictional disk is all
In on-position, frictional disk is prone to wear, and brake(-holder) block is easy fever, and increases anti-explosion safety risk.It needs to be equipped with water cooling
System radiates in time；4) it can not achieve emergency enhanced feature.
The control of bit pressure power and automatic bit feed are realized using Eton brake control power is adjusted；This method is all as disc brake
It is to realize by adjusting mechanical braking force；Except that disc brake adjusts the brake force of friction plate by adjusting oil cylinder power, and she
Brake of pausing is to come regulating brake force realization bit pressure power control and automatic bit feed by adjusting cylinder force.
Summary of the invention
It is an object of the invention to overcome the disadvantages of the prior art mentioned above and insufficient, propose that a kind of hydraulic wireline winch is sent automatically
Control system is bored, which passes through the bit pressure force feedback of proportional pressure-reducing valve and accumulator adjusting
Closed-loop control, realize hydraulic petroleum boring winch send brill automation control, it is simple, convenient, rapidly laborsaving, cost
It is low, it can be accurately controlled at a distance, avoid anti-explosion safety risk, improve the stability of the drilling speed of system.
The hydraulic wireline winch automatic bit feed control based on above-mentioned control system that another object of the present invention is to provide a kind of
Method.
The purpose of the invention is achieved by the following technical solution: hydraulic wireline winch automatic bit feed control system, mainly by being arranged
Tension sensor between winch and drilling tool, bit pressure adjuster and oil pump, proportional pressure-reducing valve and accumulator are constituted；The drawing
Force snesor is connected with bit pressure adjuster, and the bit pressure adjuster is connected with oil pump and proportional pressure-reducing valve, and oil pump and winch horse
Up to being connected, motor is made of multiple, is arranged symmetrically in winch drum both ends, is directly driven winch drum by first stage decelerator and is turned
It is dynamic, with wire rope roll around.
The tension sensor is connected by A/D converter with bit pressure adjuster.
Proportional pressure-reducing valve and accumulator are provided between the oil pump and winch motor.
The tension sensor connecting steel wire ropes, which is fast line, and the other end of the wirerope is arranged in winch
Between the pulley blocks of promotion drilling tool.
Automatic bit feed control method based on the above control system, which is characterized in that include the following steps；A) firstly, it is logical
The tension sensor detection signal being arranged between winch and the pulley blocks for promoting drilling tool is crossed, then feedback arrives bit pressure adjuster.
B) secondly, the signal that bit pressure adjuster is detected according to tension sensor, sets after the transformation of A/D converter with bit pressure
Definite value compares.
It furthermore c),, can be with this by adjusting the discharge capacity and proportional pressure-reducing valve outlet pressure of pump according to above-mentioned comparison result
The pressure for adjusting winch motor import, to adjust bit pressure.
D) finally, winch motor drives winch drum to rotate by first stage decelerator, drive wire rope roll around final to realize
Oil-well rig automatic bit feed.
The pump start method is after the energy storage pressure being connected with pressure fuel pump mouth increases, to be opened with minimum injection rate
It is dynamic, when having the instruction of the ascending, descending of winch elevator or rotary disk driller again oil supply pump group obtain it is electric.
The starting method of the winch motor is after the energy storage pressure being connected with pump pressure mouth increases, with maximum row
Amount starting.
For the prior art of the present invention compared to having the advantage that sum up, which passes through ratio
Example pressure reducing valve and accumulator adjusting bit pressure force feedback closed-loop control, realize hydraulic wireline winch send brill automation control,
It is simple, convenient, laborsaving, at low cost rapidly, it can be accurately controlled at a distance, avoid anti-explosion safety risk, it is real
Existing drilling machine perseverance bit pressure control guarantees that drilling steadily without bit freezing, improves the stability of the drilling speed of system.
Technical solution of the present invention removes the technical solution of control bit pressure power, this hair relative to traditional adjusting mechanical braking force
Bright technical solution does not need individually to increase heat dissipation.It is high to control precision, automatic bit feed effect is good, and the labour that can mitigate driller's work is strong
Degree.
Technical solution of the present invention is relative to the technical solution using motor frequency conversion control bit pressure, technical solution of the present invention
Automatic bit feed process is short, at low cost, and control is simple, does not have anti-explosion safety risk.
Below by drawings and examples, the present invention is described in further detail.
Detailed description of the invention
Fig. 1 is control system schematic diagram of the invention.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited only to
This.
Embodiment: oil-well rig winch automatic bit feeding control system of the present invention is as shown in Figure 1, mainly by being arranged in
Tension sensor between winch and drilling tool, bit pressure adjuster and oil pump, proportional pressure-reducing valve and accumulator are constituted.The pulling force
Sensor is connected with bit pressure adjuster, and the bit pressure adjuster is connected with oil pump and proportional pressure-reducing valve, and oil pump and winch motor
It is connected, motor is made of multiple, and is arranged symmetrically in winch drum both ends, directly drives winch drum rotation by first stage decelerator
Turn, drive wire rope roll around.
The tension sensor is connected by A/D converter with bit pressure adjuster.
The tension sensor connecting steel wire ropes, and the other end of the wirerope is arranged in winch and promotes the pulley of drilling tool
Between component, the wirerope is fast rope end.
Control principle of the invention: the hydraulic coupling that fast rope end tension sensor is sent is become electric signal by tension sensor,
And it is connected with PLC simulation input mouth；PLC carries out A/D sampling to it, and carried out after scale conversion with given bit pressure value ratio
Compared with, relatively after deviation enter bit pressure adjuster, the bit pressure signal of adjuster output forms new inclined compared with given bit pressure value
Difference provides input signal to bit pressure adjuster；Bit pressure adjuster is connected with oil pump and proportional pressure-reducing valve, by adjusting ratio decompression
The discharge capacity of valve outlet pressure and pump, driving winch motor rotation drive winch drum rotation, drive wire rope roll around to drive
Drilling tool is mobile, and the migration of drilling tool causes the variation of bit pressure in fast line, to change wirerope fast line pull；Therefore,
Wirerope fast line pull has directly reacted the size of bit pressure.
Automatic bit feed control method based on above-mentioned control system, includes the following steps.
A) firstly, detecting signal by the tension sensor being arranged between winch and drilling tool, then feedback arrives bit pressure tune
Save device.
B) secondly, the signal that bit pressure adjuster is detected according to tension sensor, sets after the transformation of A/D converter with bit pressure
Definite value compares.
Furthermore c), adjustable with this by adjusting the discharge capacity and proportional pressure-reducing valve outlet pressure of pump according to comparison result
The pressure of winch motor import, to adjust bit pressure.
D) finally, winch motor drive winch drum rotates, drive wire rope roll around to drive drilling tool mobile, finally in fact
Existing oil-well rig automatic bit feed.
The pump start method is after the energy storage pressure being connected with pressure fuel pump mouth increases, to be opened with minimum injection rate
It is dynamic, when having the instruction of the ascending, descending of winch elevator or rotary disk driller again oil supply pump group obtain it is electric.
The starting method of the winch motor is after the energy storage pressure being connected with pressure fuel pump mouth increases, with maximum
Discharge capacity starting.
The above is only presently preferred embodiments of the present invention, not imposes any restrictions to invention, all skills according to the present invention
Art essence, any simple modification, change and equivalent transformation to the above embodiments etc., is still included in guarantor of the invention
Within the scope of shield.
Claims (7)
1. hydraulic wireline winch automatic bit feed control system, it is characterised in that: mainly passed by the pulling force being arranged between winch and drilling tool
Sensor, bit pressure adjuster and oil pump, proportional pressure-reducing valve and accumulator are constituted；The tension sensor is connected with bit pressure adjusting
Device, the bit pressure adjuster is connected with oil pump and proportional pressure-reducing valve, and oil pump is connected with winch motor, and motor is made of multiple,
Winch drum both ends are arranged symmetrically in, winch drum are directly driven by first stage decelerator, cloth between motor and first stage decelerator
It is equipped with brake system.
2. hydraulic wireline winch automatic bit feed control system according to claim 1, which is characterized in that the tension sensor is logical
A/D converter is crossed to be connected with bit pressure adjuster.
3. hydraulic wireline winch automatic bit feed control system according to claim 1, the tension sensor connecting steel wire ropes, and
The other end of the wirerope is arranged between winch and winch pulley blocks, and the wirerope is fast rope end.
4. hydraulic wireline winch automatic bit feed control system according to claim 1, is arranged between the oil pump and winch motor
Proportional pressure reducing valve and accumulator.
5. the automatic bit feed control method based on the above control system, which comprises the following steps:
A) firstly, detecting signal by the tension sensor being arranged between winch and drilling tool, then feedback arrives bit pressure adjuster；
B) secondly, the signal that bit pressure adjuster is detected according to tension sensor, after the transformation of A/D converter with weight on bit settings value
Compare；
Furthermore c), according to comparison result, by adjusting the discharge capacity and proportional pressure-reducing valve outlet pressure of pump, with this adjustable winch
The pressure of motor inlet, to adjust bit pressure；
D) finally, winch motor drives winch drum rotation, winch drum rotation drives wire rope roll around finally realizing petroleum drilling
Machine automatic bit feed.
6. automatic bit feed control method according to claim 5, which is characterized in that the pump start method is and oil pump
After the energy storage pressure that pressure port is connected increases, started with minimum injection rate, when having the instruction of elevator ascending, descending or rotary disk driller
Oil supply pump group obtains electric again.
7. automatic bit feed control method according to claim 5, which is characterized in that the starting method of the winch motor
To be started after the energy storage pressure being connected with pump pressure mouth increases with maximum pump discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910037958.0A CN109488227A (en) | 2019-01-16 | 2019-01-16 | Hydraulic wireline winch automatic bit feed control system and its automatic bit feed control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910037958.0A CN109488227A (en) | 2019-01-16 | 2019-01-16 | Hydraulic wireline winch automatic bit feed control system and its automatic bit feed control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109488227A true CN109488227A (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910037958.0A Pending CN109488227A (en) | 2019-01-16 | 2019-01-16 | Hydraulic wireline winch automatic bit feed control system and its automatic bit feed control method |
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| CN (1) | CN109488227A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961619A (en) * | 2022-05-31 | 2022-08-30 | 中石化石油工程技术服务有限公司 | Method, system, equipment and medium for automatic drilling and casing milling of workover rig |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1189644A (en) * | 1966-02-28 | 1970-04-29 | Henry Hobhouse | Improvements relating to Earth Drilling. |
| CN2460393Y (en) * | 2001-01-19 | 2001-11-21 | 石油大学(北京) | Disc brake-automatic drill feed integral device |
| CN201221325Y (en) * | 2008-07-10 | 2009-04-15 | 宝鸡石油机械有限责任公司 | Automatic bit feed system of well drilling winch capstan hydraulic motor |
-
2019
- 2019-01-16 CN CN201910037958.0A patent/CN109488227A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1189644A (en) * | 1966-02-28 | 1970-04-29 | Henry Hobhouse | Improvements relating to Earth Drilling. |
| CN2460393Y (en) * | 2001-01-19 | 2001-11-21 | 石油大学(北京) | Disc brake-automatic drill feed integral device |
| CN201221325Y (en) * | 2008-07-10 | 2009-04-15 | 宝鸡石油机械有限责任公司 | Automatic bit feed system of well drilling winch capstan hydraulic motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961619A (en) * | 2022-05-31 | 2022-08-30 | 中石化石油工程技术服务有限公司 | Method, system, equipment and medium for automatic drilling and casing milling of workover rig |
| CN114961619B (en) * | 2022-05-31 | 2024-03-22 | 中石化石油工程技术服务有限公司 | Method, system, equipment and medium for automatically setting drill, sleeving and milling of workover rig |
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Application publication date: 20190319 |