CN106150473A - The control system of well head - Google Patents
The control system of well head Download PDFInfo
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- CN106150473A CN106150473A CN201510198622.4A CN201510198622A CN106150473A CN 106150473 A CN106150473 A CN 106150473A CN 201510198622 A CN201510198622 A CN 201510198622A CN 106150473 A CN106150473 A CN 106150473A
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- well head
- executing agency
- controller
- control system
- closing
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Abstract
The invention discloses the control system of a kind of well head, comprising: for controlling the opening/closing executing agency of well head；Detection device, detects running state parameter；Controller, is controlled to executing agency according to operational order, to complete the opening/closing of well head；Control centre, the state of the running state parameter monitoring well head of the executing agency according to controller forwarding, and when well head abnormal state, send corresponding operational order to controller.The control system of the embodiment of the present invention, the state of the running state parameter monitoring well head according to executing agency, and when well head abnormal state, according to operational order, executing agency is controlled, to complete the opening/closing of well head, in drilling well under operating mode, can the urgent closing well of Rapid Implementation drilling well, simple and fast, better ensures that the safety and reliability of system.
Description
Technical field
The present invention relates to oil drilling technology field, particularly to the control system of a kind of well head.
Background technology
In oil and gas exploration and development process, when overflow, well kick or blowout occurs in well head, need to pass through related personnel
Realize closing Oil/gas Well well head as driller's work operates the independent control of each object, in order to avoid gas blowout accident occurs.
In the ordinary course of things, driller's work can implement closing well according to the closing well program of each operating mode in well control detailed rules for the implementation.So
And, owing to each object by overlapping independent control equipment control more, if running into burst dangerous situation, once driller's work is by psychology
Quality or the impact of other factors, may result in the situation that cannot implement to close well operations according to closing well program, exist and cause economy
Loss and the risk of casualties, it is impossible to ensure the safety and reliability of system.
Content of the invention
It is contemplated that one of technical problem solving at least to a certain extent in above-mentioned correlation technique.
To this end, it is an object of the invention to propose a kind of to creep into urgent closing well by Rapid Implementation, improve system security and can
Control system by the well head of property.
For reaching above-mentioned purpose, the embodiment of the present invention proposes the control system of a kind of well head, comprising: be used for controlling well head open/
The executing agency closing, described executing agency includes that slush pump, brill dish/top are driven and preventer；Detection device, is used for detecting described
The running state parameter of executing agency；Controller, described controller is connected with described executing agency and described detection device respectively,
Described controller is for being controlled to described executing agency according to operational order, to complete the opening/closing of described well head；And control
Center processed, described control centre is connected with described controller, and described control centre is for according to the forwarding of described controller
The state of the described well head of running state parameter monitoring of executing agency, and when described well head abnormal state, to described controller
Send corresponding operational order.
The control system of the well head proposing according to embodiments of the present invention, the running state parameter monitoring well head according to executing agency
State, and when well head abnormal state, according to operational order, executing agency is controlled, to complete the opening/closing of well head,
In drilling well under operating mode, can the urgent closing well of Rapid Implementation drilling well, simple and fast, reduce think factor on close well operations impact,
Better ensure that the safety and reliability of system.
In addition, the control system of well head according to the above embodiment of the present invention can also have a following additional technical characteristic:
Further, in one embodiment of the invention, described detection device includes: pressure transmitter, is used for detecting institute
State the pressure of preventer；Slush pump running status sensor, for detecting the running status of described slush pump；Drive with brill dish/top
Running status sensor, for detecting the running status that described brill dish/top is driven.
Further, in one embodiment of the invention, described controller includes: analog-to-digital conversion module ADC, is used for connecing
Receive and change the described running state parameter that described detection device detects；Digital quantity input module DI, described digital quantity inputs
Module DI is connected with described analog-to-digital conversion module ADC, for described running state parameter is sent into described controller；Numeral
Amount output module DO, described digital output module DO is connected with described executing agency, for sending to described executing agency
Drive signal, make described executing agency complete the opening/closing of described well head.
Further, in one embodiment of the invention, described controller is connected with described executing agency by control switch.
Further, in one embodiment of the invention, described control switch includes magnetic valve and relay.
Further, in one embodiment of the invention, described controller can be single-chip microcomputer.
Further, in one embodiment of the invention, described control centre is by interbus bus and described controller
It is connected.
Further, in one embodiment of the invention, described control centre includes limited driller station panel computer and button
Formula driller's console.
Further, in one embodiment of the invention, described preventer can be annular preventer.
Aspect and advantage that the present invention adds will part be given in the following description, and part will become bright from the following description
Aobvious, or recognized by the practice of the present invention.
Brief description
Above-mentioned and/or the additional aspect of the present invention and advantage will be apparent from from combining the description to embodiment for the accompanying drawings below
With easy to understand, wherein:
The structural representation of the control system for the well head according to one embodiment of the invention for the Fig. 1；
The structural representation of the control system for the well head according to one specific embodiment of the present invention for the Fig. 2；And
The structural representation of the control system for the well head according to another specific embodiment of the present invention for the Fig. 3.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, wherein identical from start to finish
Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or
Person implies the quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In describing the invention, " multiple " are meant that two or more,
Unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", the art such as " fixing "
Language should be interpreted broadly, for example, it may be fixing connect, it is also possible to be to removably connect, or be integrally connected；Can be
It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of individual element internal.For the ordinary skill in the art, can understand that above-mentioned term exists as the case may be
Concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score permissible
Including the first and second features directly contact, it is also possible to include the first and second features be not directly contact but by them it
Between other characterisation contact.And, fisrt feature second feature " on ", " top " and " above " include that fisrt feature exists
Directly over second feature and oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature is second
Feature " under ", " lower section " and " below " include fisrt feature directly over second feature and oblique upper, or it is special to be merely representative of first
Levy level height and be less than second feature.
The control system of the well head proposing according to embodiments of the present invention is described with reference to the accompanying drawings.It with reference to shown in Fig. 1, is somebody's turn to do
Control system 10 includes: the 100th, executing agency detects device the 200th, controller 300 and control centre 400.
Wherein, executing agency 100 to be used for controlling well head opening/closing, executing agency 100 include slush pump, brill dish/top drive and
Preventer.Detection device 200 is for detecting the running state parameter of executing agency 100.Controller 300 respectively with hold
Row mechanism 100 is connected with detection device 200, and controller 300 is for carrying out to executing agency 100 according to operational order
Control, to complete the opening/closing of well head.Control centre 400 is connected with controller 300, and control centre 400 is used for basis
The state of the running state parameter monitoring well head of the executing agency 100 that controller 300 forwards, and at well head abnormal state
When, send corresponding operational order to controller 300.The control system of the embodiment of the present invention is met under operating mode in creeping into
During to dangerous situation, and when cannot implement closing well according to conventional closing well program, associative operation personnel such as driller's work can be grasped with both hands
Making, Rapid Implementation creeps into urgent closing well, thus automatically by step realize slush pump, rotating disk/top drive, the closedown of preventer.
Further, in one embodiment of the invention, controller 300 is by control switch and executing agency 100
It is connected.Preferably, in one embodiment of the invention, control switch and include magnetic valve and relay.
Further, in one embodiment of the invention, controller 300 can be single-chip microcomputer.Wherein, single-chip microcomputer
(Single chip microcomputer) is a kind of IC chip, is to use very large scale integration technology handle
There is the central processor CPU of data-handling capacity, random access memory ram, read only memory ROM, multiple I/O
Mouth and the interruption function such as system, timer/counter (may also include display driver circuit, pulse-width modulation circuit, mould
Intend the circuit such as multiplexer, A/D converter) it is integrated on one piece of silicon chip the little and perfect microcomputer constituting
Calculation machine system, extensively applies at industrial control field.
Further, in one embodiment of the invention, control centre 400 passes through interbus bus and controller
300 are connected.
Wherein, in one embodiment of the invention, control centre 400 includes wired driller station panel computer and button
Formula driller's console.As long as it is to say, it is seen that quilt on the panel/screen of staff's heart 400 in the controlling
The state of control object, is equivalent to the running state parameter monitoring well head of the executing agency 100 forwarding according to controller 300
State, once well head abnormal state, send corresponding operational order to controller 300, thus work in creeping into
When running into dangerous situation under condition and when cannot implement closing well according to conventional closing well program, driller's work can be quickly real with bimanualness
Execute and creep into urgent closing well.Automatically by step realize slush pump stop → brill dish/top drives stopping → preventer closedown.
Further, in one embodiment of the invention, preventer can be annular preventer.Wherein, annular is anti-
Spray apparatus is generally equipped with the Gate of ram blowout preventer, can form a sealing during running between tubing string and pit shaft
Annular space, in the case of not having tubing string, also can individually complete shut-in well in well.
Further, in one embodiment of the invention, with reference to shown in Fig. 2, controller 300 includes: modulus turns
Die change block ADC, digital quantity input module DI and digital quantity output module DO.
Wherein, analog-to-digital conversion module ADC is for the running state parameter receiving and transition detecting device 200 detects.
Digital quantity input module DI is connected with analog-to-digital conversion module ADC, and digital quantity input module DI is for joining running status
Number sends into controller 300.Digital output module DO is connected with executing agency 100, digital output module DO to
Executing agency 100 sends and drives signal, makes executing agency 100 complete the opening/closing of well head.
In one particular embodiment of the present invention, the control system 10 of the embodiment of the present invention be used for realizing slush pump stop,
The control stopping closing with preventer is driven on brill dish/top.Wherein, the embodiment of the present invention can use PAC control system, phase
When being PAC controller in controller 300, comprising: collection circularizes the analog-to-digital conversion module ADC of control pressure acquisition
(function as and receive the running state parameter detecting with transition detecting device 200), the number of the instruction input that puts in place
Word amount input DI (functions as and running status ginseng is sent into controller 300, its number contains proximity switch and guard grating)
With digital output module DO (function as to send to executing agency 100 and drive signal) for controlling output.
In addition, preventer is preferably annular preventer, annular preventer control realizes control purpose by ground preventer, by
Solenoid-driven rotary valve action.The stopping of slush pump and rotating disk/top are driven stopping and being realized control by relay (normally closed).
Wherein, in an embodiment of the present invention, PAC controller combines the intrinsic reliability of PLC, robustness and divides
Cloth characteristic, and the advantage of the processor of PC, internal memory and software, PAC with modernization computer hardware technique,
Mechanics of communication, the control development of technology and development, PAC platform be modern information technologies " 3c " (computer,
Communication, control) outstanding combination.
Further, in one embodiment of the invention, with reference to shown in Fig. 2, detection device 200 includes: pressure
Running status sensor 203 is driven on transmitter the 201st, slush pump running status sensor 202 and rotating disk/top.
Wherein, pressure transmitter 201 is for detecting the pressure of preventer.Slush pump running status sensor 202 is used for
The running status of detection slush pump.Running status sensor 203 is driven for detecting the running status that brill dish/top is driven in brill dish/top.
Specifically, in one embodiment of the invention, shown in reference Fig. 2, the control system 10 of the embodiment of the present invention
Including the pressure transmitter 201 being arranged on annular control manifold (functioning as the pressure of detection preventer), top are driven
/ rotating disk running status sensor 203 (function as detection rotating disk/top and drive the running status of running status sensor),
Slush pump running status sensor 202 (functioning as the running status of detection slush pump), connects safety by cable
Grid access the analog-to-digital conversion module ADC and digital quantity input module DI of PAC controller, are passed by interbus bus
Being defeated by console i.e. controller 300, controller 300 is i.e. operated by the control command of control centre 400 acquisition operations person
Instruction, is realized to magnetic valve, Control by digital output module DO, is finally reached and realizes that slush pump stops
Only, stopping and the control purpose of annular preventer closedown are driven in brill dish/top.
Further, in one embodiment of the invention, all controls of the embodiment of the present invention are equipped with control execution
Feedback device, as valve put in place instruction, slush pump running status instruction and rotating disk/top drive running status instruction, with composition
Closed loop feedback is regulated.
In one particular embodiment of the present invention, with reference to shown in Fig. 3, the control system 10 of the embodiment of the present invention includes:
Explosion-proof main power source control cabinet the 1st, flame-proof electric motor the 2nd, explosion-proof magnetic force stator the 3rd, electronic pressure controller the 4th, push button
Driller's console the 5th, wired driller station panel computer the 6th, electric cabinet the 7th, explosion-proof audible-visual annunciator the 8th, solenoid valve box 9 and
Anti-explosion terminal box 11.
Wherein, explosion-proof main power source control cabinet 1 is mainly used in plant-grid connection and power distribution.Flame-proof electric motor 2 is main
For driving three-cylinder plunger pump, provide power fluid for system.Explosion-proof magnetic force stator 3 is for controlling the operation of motor
And stopping.Electronic pressure controller 4 is mainly used in controlling the A.C. contactor on/off in magnetic starter, as protected
Card system pressure starts motor when 18.9MPa, stops motor when pressure is 21MPa.Electric cabinet 7 is used for
The elements such as controller, relay, guard grating are installed.Explosion-proof audible-visual annunciator 8 is mainly used in system alarm to be reminded.Electricity
Magnet valve case 9 is used for installing magnetic valve, pressure transmitter etc..Anti-explosion terminal box 11 is mainly used in pressure signal, position letter
Number access.
The control system of the well head proposing according to embodiments of the present invention, the running state parameter monitoring well according to executing agency
The state of mouth, and when well head abnormal state, according to operational order, executing agency is controlled, to complete well head
Opening/closing, in drilling well under operating mode, can the urgent closing well of Rapid Implementation drilling well, simple and fast, reduce think factor to closing well
The impact of operation, better ensures that the safety and reliability of system.
It should be appreciated that each several part of the present invention can be realized by hardware, software, firmware or combinations thereof.In above-mentioned reality
Execute in mode, the software that multiple steps or method can be performed in memory and by suitable instruction execution system by storage or
Firmware realizes.For example, if realized with hardware, and the same in another embodiment, available well known in the art under
Any one in row technology or their combination realize: have the logic gates for realizing logic function to data-signal
Discrete logic, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), existing
Field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that and realize that all or part of step that above-described embodiment method is carried is can
Completing to instruct related hardware by program, described program can be stored in a kind of computer-readable recording medium,
This program upon execution, including one or a combination set of step of embodiment of the method.
Additionally, each functional unit in each embodiment of the present invention can be integrated in a processing module, it is also possible to be each
Individual unit is individually physically present, it is also possible to two or more unit are integrated in a module.Above-mentioned integrated module was both
The form that can use hardware realizes, it would however also be possible to employ the form of software function module realizes.If described integrated module with
The form of software function module realizes and as independent production marketing or when using, it is also possible to be stored in a computer-readable
Take in storage medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specific example ",
Or specific features, structure, material or the feature bag that the description of " some examples " etc. means to combine this embodiment or example describes
It is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not necessarily
Refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example combine in an appropriate manner.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary,
Being not considered as limiting the invention, those of ordinary skill in the art is in the situation without departing from the principle of the present invention and objective
Under above-described embodiment can be changed within the scope of the invention, change, replace and modification.
Claims (9)
1. the control system of a well head, it is characterised in that include:
The executing agency opening/closing for controlling well head, described executing agency includes that slush pump, brill dish/top are driven and preventer；
Detection device, for detecting the running state parameter of described executing agency；
Controller, described controller is connected with described executing agency and described detection device respectively, and described controller is used for basis
Described executing agency is controlled by operational order, to complete the opening/closing of described well head；And control centre, in described control
The heart is connected with described controller, the running status of the described executing agency for forwarding according to described controller for the described control centre
The state of well head described in parameter monitoring, and when described well head abnormal state, send corresponding operational order to described controller.
2. the control system of well head according to claim 1, it is characterised in that described detection device includes:
Pressure transmitter, for detecting the pressure of described preventer；
Slush pump running status sensor, for detecting the running status of described slush pump；Drive running status sensing with brill dish/top
Device, for detecting the running status that described brill dish/top is driven.
3. the control system of well head according to claim 1 and 2, it is characterised in that described controller includes:
Analog-to-digital conversion module ADC, for receiving and changing the described running state parameter that described detection device detects；
Digital quantity input module DI, described digital quantity input module DI are connected with described analog-to-digital conversion module ADC, and being used for will
Described running state parameter sends into described controller；
Digital output module DO, described digital output module DO is connected with described executing agency, for described execution
Mechanism sends and drives signal, makes described executing agency complete the opening/closing of described well head.
4. the control system of well head according to claim 2, it is characterised in that described controller by control switch with
Described executing agency is connected.
5. the control system of well head according to claim 4, it is characterised in that described control switch include magnetic valve and
Relay.
6. the control system of well head according to claim 1, it is characterised in that described controller is single-chip microcomputer.
7. the control system of well head according to claim 1, it is characterised in that described control centre passes through interbus
Bus is connected with described controller.
8. the control system of well head according to claim 1, it is characterised in that described control centre includes wired driller
Platform industrial panel computer and push button driller's console.
9. the control system of well head according to claim 1, it is characterised in that described preventer is annular preventer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510198622.4A CN106150473B (en) | 2015-04-23 | 2015-04-23 | Control system of wellhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510198622.4A CN106150473B (en) | 2015-04-23 | 2015-04-23 | Control system of wellhead |
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| CN106150473A true CN106150473A (en) | 2016-11-23 |
| CN106150473B CN106150473B (en) | 2020-01-10 |
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| CN201510198622.4A Active CN106150473B (en) | 2015-04-23 | 2015-04-23 | Control system of wellhead |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894778A (en) * | 2017-03-29 | 2017-06-27 | 西南石油大学 | A kind of kill-job operation choke valve automatic control system and its method based on feedback regulation |
| CN107355193A (en) * | 2017-08-30 | 2017-11-17 | 新疆双诚电气股份有限公司 | Oil well numerical control blowout hookup |
| CN107780919A (en) * | 2017-09-22 | 2018-03-09 | 中国石油集团西部钻探工程有限公司 | Long-range gas well switch board and its long-range control method |
| CN111636836A (en) * | 2020-05-13 | 2020-09-08 | 中石化石油工程技术服务有限公司 | Integrated control system of driller's platform |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106894778A (en) * | 2017-03-29 | 2017-06-27 | 西南石油大学 | A kind of kill-job operation choke valve automatic control system and its method based on feedback regulation |
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| CN107780919A (en) * | 2017-09-22 | 2018-03-09 | 中国石油集团西部钻探工程有限公司 | Long-range gas well switch board and its long-range control method |
| CN111636836A (en) * | 2020-05-13 | 2020-09-08 | 中石化石油工程技术服务有限公司 | Integrated control system of driller's platform |
| CN111636836B (en) * | 2020-05-13 | 2022-04-26 | 中石化石油工程技术服务有限公司 | Integrated control system of driller's platform |
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|---|---|
| CN106150473B (en) | 2020-01-10 |
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