CN107882529A - A kind of control system and method for being used to protect oil-well rig top to drive inner blowout preventer - Google Patents
A kind of control system and method for being used to protect oil-well rig top to drive inner blowout preventer Download PDFInfo
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- CN107882529A CN107882529A CN201711353419.5A CN201711353419A CN107882529A CN 107882529 A CN107882529 A CN 107882529A CN 201711353419 A CN201711353419 A CN 201711353419A CN 107882529 A CN107882529 A CN 107882529A
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- 239000003129 oil well Substances 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 9
- UYFMSCHBODMWON-LNTRICLHSA-N (Z)-7-[(1S,2S,3S,4R)-3-[(E,3R)-3-hydroxy-4-(4-iodophenoxy)but-1-enyl]-7-oxabicyclo[2.2.1]heptan-2-yl]hept-5-enoic acid Chemical compound O[C@H](/C=C/[C@H]1[C@@H]([C@@H]2CC[C@H]1O2)C\C=C/CCCC(=O)O)COC1=CC=C(C=C1)I UYFMSCHBODMWON-LNTRICLHSA-N 0.000 claims abstract description 42
- 241001225917 Prosopis affinis Species 0.000 claims abstract description 42
- 238000005553 drilling Methods 0.000 claims description 13
- 230000006837 decompression Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 11
- 239000007921 spray Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 101100190617 Arabidopsis thaliana PLC2 gene Proteins 0.000 description 2
- 101100408456 Arabidopsis thaliana PLC8 gene Proteins 0.000 description 2
- 101100464304 Caenorhabditis elegans plk-3 gene Proteins 0.000 description 2
- 101100093534 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RPS1B gene Proteins 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
-
- 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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- 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 present invention relates to a kind of control system and method for being used to protect oil-well rig top to drive inner blowout preventer, including top to drive electric-control system and VFD electric-control systems；Drive IBOP and switch a termination+24V power supplys in the top, drive operating desk PLC input module in another termination top, operating desk PLC is connected to top by Profibus connections and drives automatically controlled main PLC, the output point for driving automatically controlled main PLC I/O output modules by the top again connects the A1 ends of K50 relays, the other end A2 of K50 relays is with meeting power supply M, K50 relay normally opens point both ends connect two parallel lines, the wherein main PLC of the single line tail end connection automatically controlled integral cabinets of VFD I/O input modules, another single line tail end meets the power supply+24V of VFD electric-control systems, then Profibus connections and slush pump frequency converter are passed through by the main PLC of VFD respectively, driller station PLC is electrically connected.Even if the present invention has accomplished that the maloperation that inner blowout preventer IBOP is driven to top occurs in driller, will not also inner blowout preventer be driven to top and caused damage, and cause other potential safety hazards, so as to which the inner blowout preventer driven to top is effectively protected.
Description
Technical field
The invention belongs to petroleum drilling technology field, is related to oil-well rig TDS inner blowout preventer, and in particular to
A kind of control system and method for being used to protect oil-well rig top to drive inner blowout preventer.
Background technology
At present, compared to rotating disk, oil-well rig top drive can significantly improve the ability and efficiency of drillng operation, it has also become
The standard configuration of oil drilling industry rig.Frequently to be connect during drilling well work, unload drilling rod, at this moment can be to preventing in the drive of top
Spray apparatus（IBOP）Carry out opening or closing operation with slush pump.Normally operation order is：First have to the pump impulse drop of slush pump
It is zero, then inner blowout preventer is driven on top（IBOP）After closing, the new drill string of big clasp joint could above be carried by dismantling drilling tool.When connecing finishing drilling bar
Afterwards, when top first must be driven into inner blowout preventer to open, then slush pump being reached into defined pump impulse and pump pressure value, start working.But
In this course, the frequent maloperation of driller：Either open too late or forget to open, because inner blowout preventer is driven on top（IBOP）
Mechanical special tectonic and pressure too high from the top down can not be born, cause inner blowout preventer（IBOP）Damage.On the other hand
It is not allow to close the interior IBOP preventers for pushing up drive in normal drilling production.But driller is because of visual fatigue or other sometimes
Reason can unconscious mistake by push up drive IBOP switch get to closed position, cause be remotely controlled inner blowout preventer close, because slush pump is located always
In running status with pressure, pump pressure can be suppressed to very high rapidly, cause slush pump outlet connection and pipeline and interior IBOP preventers to hold
By excess pressure, interior IBOP preventers mechanical failure is directly contributed, What is more can cause pressure-bearing mistake at slush pump outlet connection
, there is joint cracking and sprays mud in height, does not only result in device damage also entail dangers to personal safety.When spray apparatus damage in the drive of top
Afterwards, when there is overflow and blowout, inner blowout preventer can not be remotely controlled and close drill string passage and cause bigger harm.
For case above, the measure hitherto taken is：Strengthen the awareness of safety education to driller personnel, and just
Often require to keep spiritual vigorous and notice high concentration in work, operated in strict accordance with correct sequential steps.But this is in reality
In the course of work, driller human users are chronically at notice high concentration, mentally high-strung state, while again should
Different operating is carried out to underground difference operating mode, the time one, which is grown, inevitably to be occurred tired mentally or on body, and this is all
The generation of maloperation can not be prevented completely, especially to new driller personnel.When there occurs during the damage that inner blowout preventer IBOP is driven on top
It can only more renew, not only considerably increase the cost of maintenance, delay normal production again, also be buried in the normal use of rig
Major safety risks are descended.
The content of the invention
In order to solve the problems, such as that above-mentioned maloperation existing for prior art causes top to drive inner blowout preventer damage, the present invention provides
A kind of control system for being used to protect oil-well rig top to drive inner blowout preventer.
The present invention adopts the following technical scheme that：A kind of control system for being used to protect oil-well rig top to drive inner blowout preventer, bag
Include top and drive electric-control system and VFD electric-control systems；Drive automatically controlled system in top includes top and drives operating desk, the automatically controlled main PLC of top drive ,-K50 relays
Device, top drive operating desk and are provided with top drive IBOP switches and its PLC input module, and automatically controlled main PLC is driven on the top includes CPU module
With I/O output modules etc.；VFD electric-control systems include the main PLC of the automatically controlled integral cabinets of VFD, driller station, slush pump frequency converter, and VFD is automatically controlled
The main PLC of integral cabinet includes CPU module and I/O input modules etc., and driller station is provided with driller station PLC and touch-screen；Wherein, it is described
Top drives IBOP and switchs a termination+24V power supplys, and operating desk PLC output module is driven on another termination top, and the PLC is led to by Profibus
News line is connected to top and drives automatically controlled main PLC, then connects-K50 relays by the output point of the automatically controlled main PLC of top drive I/O output modules
A1 ends, the other end A2 of-K50 relays with meeting power supply M ,-K50 relay normally opens point both ends connect two parallel lines, wherein
The main PLC of the single line tail end connection automatically controlled integral cabinets of VFD I/O input modules, another single line tail end connect the electricity of VFD electric-control systems
Source+24V, then it is electrically connected respectively by Profibus connections and slush pump frequency converter, driller station PLC by the main PLC of VFD.
Two described parallel lines are respectively provided with plug by the core cable two of one 10 core cable 4,10, wherein one end
Plug connects with described-K50 relay normally opens point both ends, and the plug of the other end connects the automatically controlled integral cabinets of VFD with described respectively
Main PLC I/O input modules, the power supply+24V of VFD electric-control systems connect.
Another object of the present invention is to the method for being used to protect oil-well rig top to drive inner blowout preventer using said system, tool
Body is：When drilling well produces, when drive IBOP switches in top are got to closure state by driller human users, i.e. blowout prevention in control top drive IBOP
Device is closed, and operating desk PLC one+24V high level " 1 " signal of input module is driven to top, will by Profibus bus communications
Signal is sent to top and drives automatically controlled main PLC, and it is electric that its I/O output module obtains-K50 relays " 3 " coil, drives its normally opened contact to close
Close, its opened point both ends connects two parallel lines by the way that in a 10 core cables, one is connected to the automatically controlled integral cabinet masters of VFD
On PLC I/O input modules, other end connects the power supply+24V of VFD electric-control systems, automatically controlled from top drive so as to complete signal
The electric isolution of transmission and two electric-control systems between system and VFD electric-control systems, now VFD electric-control systems are automatically controlled comprehensive by VFD
It is that may know that IBOP closure state is driven on top to close the main PLC of cabinet, as a control signal to slush pump frequency converter, to VFD electricity
Communicated after the main PLC programmings of control integral cabinet by Profibus and complete that slush pump frequency converter operation control is completed to pump up mud
Dynamic pressurized operation, i.e. top drive inner blowout preventer under closing or open mode, judge to give respectively " adding pump impulse to be pressurized " or
The control of " subtracting pump impulse decompression " automatic during pump operation with pressure.
Driller station PLC and touch-screen in driller station of the present invention are electrically connected, and touch-screen, which is provided with, " to be started slush pump to press
Button ", " increase slush pump button ", " stopping slush pump button ", " reducing pump impulse button "；Described given " adding pump impulse to be pressurized ", is logical
It is given to cross startup " increase slush pump button ".
Compared with prior art, beneficial effects of the present invention are：
It is two relatively independent systems that electric-control system and rig well site slush pump electric-control system are driven in conventional drilling machine top, between them
It is not in contact with, top is driven inner blowout preventer IBOP open and-shut modes signal and VFD is automatically controlled by the present invention from the aspect of drilling electric entirety
Control in system to slush pump forms a lock-in control, passes through the method to the main PLC programming Controls in VFD electric-control systems
To realize that inner blowout preventer IBOP protection control is driven on top, so as to avoid the damage of spray apparatus and the hair of other dangerous situations in the drive of top
It is raw.
1）Normal connecting and disconnecting drill rod is being carried out, during setting mud pumping operation, after a drill string has been connect, driller does not have
When opening inner blowout preventer IBOP just operates slush pump, pump impulse can not just be set and increase pump impulse, now pass through master control VFD
Or PLC program realization is any limitation as controlling to the specified rate of slush pump in SCR rooms, only it is again switched off in the drive of top after spray apparatus,
It can release and be normally carried out the operation of next step.
2）Under normal well-digging drilling state, even if driller's maloperation will be pushed up when driving IBOP remote closings, slush pump can be certainly
Pump impulse dynamicly is reduced to zero stopping supercharging, but not termination of pumping；When driller operates slush pump again, it is impossible to increase pump impulse, while can be
Prompted on driller house touch-screen：" top is driven inner blowout preventer and is closed in operation ", can just enter only after inner blowout preventer is again turned on
Row normal pressurization operates.The appearance for suppressing pump situation is avoided, to prevent causing the damage of IBOP preventers, leakage and mud pump discharge
Joint cracking, and relevant device because pressure-bearing is too high and caused by damage and personnel's injury, and reduce the potential safety hazard in use.
Not only the repair time had been saved but also had improved production efficiency, the inner blowout preventer IBOP driven to top be effectively protected and extend
Its service life.
Even if the present invention has accomplished that the maloperation that inner blowout preventer IBOP is driven to top occurs in driller, also and in will not being driven to top prevent
Spray apparatus causes damage, and causes other potential safety hazards, so as to which the inner blowout preventer driven to top is effectively protected.
Brief description of the drawings
Fig. 1 are the structural representations of the present invention;
Fig. 2 are the program control flow charts of the present invention.
In figure：1. operating desk is driven on top, automatically controlled main PLC, 3.-K50 relays, 4. 10 core cables, 5. VFD are driven in 2. tops
The main PLC of automatically controlled integral cabinet, 6. driller stations, 7. slush pump frequency converters.
Embodiment
As shown in figure 1, electric-control system is driven on a kind of control system for being used to protect oil-well rig top to drive inner blowout preventer, including top
With VFD electric-control systems；Drive automatically controlled system in top includes top and drives operating desk 1, the automatically controlled main PLC2 of top drive ,-K50 relays 3, and operating desk is driven on top
1 is provided with input module provided with top drive IBOP switches and PLC, PLC, and the automatically controlled main PLC2 of the top drive includes CPU module and I/O
Output module；VFD electric-control systems include the main PLC 5 of the automatically controlled integral cabinets of VFD, driller station 6, slush pump frequency converter 7, and VFD is automatically controlled comprehensive
Closing the main PLC of cabinet includes CPU module and I/O input modules, and driller station 6 is provided with driller station PLC and touch-screen；Wherein, the top is driven
IBOP switchs a termination+24V power supplys, and operating desk PLC output module is driven on another termination top, and the PLC passes through Profibus connections
It is connected to top and drives automatically controlled main PLC, then the A1 of-K50 relays 3 is met by the output point of the automatically controlled main PLC of top drive I/O output modules
End, the other end A2 ground connection M of-K50 relays 3 ,-K50 relay normally opens point both ends connect two parallel lines, two parallel lines
Tail end, wherein the tail end connection automatically controlled integral cabinets of the VFD main PLC of single line I/O input modules, the tail end of another single line connects
+ 24V the power supplys of VFD electric-control systems, Profibus connections and slush pump frequency converter 7, department are then passed through by the main PLC of VFD respectively
Rig floor PLC is electrically connected.
Two above-mentioned parallel lines are respectively provided with plug by the core cable two of one 10 core cable 4,10, wherein plug
- K50 relay normally opens point the both ends that one end is driven described in electric-control system with top connect, and the other end of plug is automatically controlled with VFD respectively
+ 24V power supply the phases of the automatically controlled integral cabinet PLC of I/O input modules, VFD for meeting the main PLC of the automatically controlled integral cabinets of VFD described in system
Connect.
Driller station PLC and touch-screen in driller station of the present invention are electrically connected, and touch-screen, which is provided with, " to be started slush pump to press
Button ", " increase slush pump button ", " stopping slush pump button ", " reducing pump impulse button ".
When drilling well produces, driller human users drive top to be prevented when IBOP switches get to closure state in control top drive IBOP
Spray apparatus is closed, and operating desk PLC one+24V high level " 1 " signal of input module is driven to top, passes through Profibus bus communications
Pass the signal to top and drive automatically controlled main PLC, it is electric that its I/O output module obtains the coil of-K50 relays 3, drives its normally opened contact to close
Close, two parallel lines of its opened point both ends connection, the VFD that a tail end in two parallel lines is connected to VFD electric-control systems is automatically controlled
The main PLC of integral cabinet I/O input modules, the tail end of another single line meet the automatically controlled integral cabinet power supply+24V of VFD, at this moment just by+24V
This " 1 " signal is given to the main PLC of the automatically controlled integral cabinets of VFD I/O input modules, and automatically controlled system is driven from top so as to complete signal
Transmission between system and VFD electric-control systems, while in turn ensure that the electrical isolation of two electric-control systems.Now VFD electric-control systems lead to
Cross the main PLC of the automatically controlled integral cabinets of VFD and may know that the open and close state of IBOP inner blowout preventers is driven on top.Other driller station personnel are touching
Started, stopped by the corresponding button on screen on screen 6, increase pump impulse, reducing pump impulse, operation signal is automatically controlled comprehensive by VFD
Close the main PLC of cabinet and pass to slush pump frequency converter 7.From the aspect of electric entirety, above-mentioned driller personnel pass through on touch-screen 6
When to slush pump frequency converter operate starting and set pump impulse on screen, the main PLC of the automatically controlled integral cabinets of VFD first can drive control box to top
The position of upper IBOP Operation switches and the actual "ON" of inner blowout preventer, " closing " state are detected, and will determine that result conduct in real time
The foundation of mud frequency converter specified rate is started and set, and slush pump frequency converter 7 is controlled, by the automatically controlled synthesis of VFD
The main PLC of cabinet is programmed to complete to starting pressurized operation to slush pump, i.e., inner blowout preventer is driven under closing or open mode in top, point
It Pan Ding not can give the control for adding and subtracting pump impulse decompression when pump impulse supercharging or pump operation with pressure automatically.Simultaneously on picture is touched
Also a prompt message is edited：" now top is driven inner blowout preventer and is closed " reminds driller operating personnel in time.Using
When specific procedure control as shown in Fig. 2 the main PLC systems of automatically controlled integral cabinet in step 101 in VFD rooms start startup optimization, so
Judge that top drives which kind of state inner blowout preventer IBOP belongs to first into 102 steps afterwards, be closed if IBOP is driven on top, i.e.,
Carried out by the direction of NO in Fig. 2, forbid the starting of slush pump frequency converter in step 103, while increase being set on touch-screen
The push button function key of pump impulse value, which is blocked, to be forbidden setting, at this moment slush pump just can not starting operation, and on screen prompt " this
When top drive inner blowout preventer be closed.And it is re-circulated into 102 steps by arrow：Again inner blowout preventer IBOP is driven to top to open
Closed state judged, until driller personnel open preventer, program simultaneously detects judgement top and drives inner blowout preventer and drive IBOP and be in and beat
Open state, just 104 steps can be entered by the YES directions of arrow in Fig. 2, in 104 steps, driller personnel can be by starting mud
Push button start pump frequency conversion device, and increase pump impulse value is set by touch-screen, pressurized operation is started to slush pump from completion.105
Slush pump is run by setting value in step.Continue to open top drive inner blowout preventer IBOP in step 106 during slush pump normal operation
Closed state is judged, checks what state IBOP is in, if being in open mode, pump continues to set by original in 107 steps
Definite value normal operation or the/decompression operation that can normally be pressurizeed to pump on the touchscreen.If blowout prevention in the drive of top in operation
Device IBOP is closed（There is driller's personnel's maloperation）, step 108 is shifted to, in step 108, is set automatically by program
It is zero to determine pump impulse value, and control mud speed pump operation reduces to zero, avoids the occurrence of and suppresses pump.Pump impulse increase on Do not touch screen simultaneously
With reduction button settings function, driller personnel are prevented to avoid continuing faulty operation from continuing operation pressurization.And provide and carry on screen
Show, show：" top is driven inner blowout preventer IBOP and is closed in operation ".Then program is made to be recycled to back original judgement by arrow meaning again
The step of state 102, again circular flow.Judge to give respectively and subtract pump automatically when adding pump impulse supercharging or pump operation with pressure
The control for pressure of spining, so as to reach the purpose of protection inner blowout preventer.
The present invention is not limited to above-mentioned preferred forms, and anyone can show that other are various under the enlightenment of the present invention
The product of form, however, make any change in its shape or structure, it is every that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.
Claims (4)
- A kind of 1. control system for being used to protect oil-well rig top to drive inner blowout preventer, it is characterised in that：Electric-control system is driven including top With VFD electric-control systems；Automatically controlled system is driven on top includes top drive operating desk（1）, top drive automatically controlled main PLC（2）,-K50 relays（3）, top is driven Operating desk（1）It is provided with top and drives IBOP switches and its PLC output module, automatically controlled main PLC is driven on the top（2）Including CPU module and I/O output modules；VFD electric-control systems include the main PLC of the automatically controlled integral cabinets of VFD（5）, driller station（6）, slush pump frequency converter（7）, The main PLC of the automatically controlled integral cabinets of VFD includes CPU module and I/O input modules, driller station（6）Provided with driller station PLC and touch-screen；Its In, the top drives IBOP and switchs a termination+24V power supplys, and operating desk PLC output module is driven on another termination top, and the PLC passes through communication Line is connected to top and drives automatically controlled main PLC, then connects-K50 relays by the output point of the automatically controlled main PLC of top drive I/O output modules（3） A1 ends ,-K50 relays（3）The other end A2 ground connection ,-K50 relay normally opens point both ends connect two parallel lines, wherein one The root line tail end connection automatically controlled integral cabinets of VFD main PLC I/O input modules, another single line tail end connect the power supplys of VFD electric-control systems+ 24V, connection and slush pump frequency converter are then passed through by the main PLC of VFD respectively（7）, driller station PLC is electrically connected.
- 2. a kind of control system for being used to protect oil-well rig top to drive inner blowout preventer according to claim 1, its feature exist In：Two described parallel lines use one 10 core cables（4）, 10 core cable two are respectively provided with plug, and wherein one end is inserted Head connects with described-K50 relay normally opens point both ends, and the plug of the other end meets the automatically controlled integral cabinet masters of VFD with described respectively PLC I/O input modules, the power supply+24V of VFD electric-control systems connect.
- 3. system according to claim 1 or 2 is used for the control method for protecting oil-well rig top to drive inner blowout preventer, its feature It is：When drilling well produces, when drive IBOP switches in top are got to closure state by driller human users, i.e. blowout prevention in control top drive IBOP Device is closed, and operating desk PLC one+24V high level " 1 " signal of input module is driven to top, will by Profibus bus communications Signal is sent to top and drives automatically controlled main PLC, and it is electric that its I/O output module obtains-K50 relays " 3 " coil, drives its normally opened contact to close Close, its opened point both ends connects two parallel lines and passed through in a 10 core cables（4）Interior, one is connected to the automatically controlled integral cabinets of VFD On main PLC I/O input modules, other end connects the power supply+24V of VFD electric-control systems, and electricity is driven from top so as to complete signal The electric isolution of transmission and two electric-control systems between control system and VFD electric-control systems, now VFD electric-control systems are automatically controlled by VFD The main PLC of integral cabinet is that may know that IBOP closure state is driven on top, as to slush pump frequency converter（7）A control signal, it is right Completed after the main PLC programmings of the automatically controlled integral cabinets of VFD by Profibus communications to slush pump frequency converter（7）Operation control i.e. completion pair Can slush pump starts pressurized operation, i.e., inner blowout preventer is driven under closing or open mode in top, judge give respectively " to add pump impulse The control of " subtracting pump impulse decompression " automatic when supercharging " or pump operation with pressure.
- 4. a kind of control method for being used to protect oil-well rig top to drive inner blowout preventer according to claim 3, its feature exist In：Driller station（6）In driller station PLC and touch-screen be electrically connected, touch-screen is provided with " start slush pump button ", " increase mud Pump button ", " stopping slush pump button ", " reducing pump impulse button "；Described given " adding pump impulse to be pressurized ", is by starting " increase mud Stock pump button " is given.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711353419.5A CN107882529B (en) | 2017-12-15 | 2017-12-15 | Control system and method for protecting internal blowout preventer of top drive of petroleum drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711353419.5A CN107882529B (en) | 2017-12-15 | 2017-12-15 | Control system and method for protecting internal blowout preventer of top drive of petroleum drilling machine |
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| Publication Number | Publication Date |
|---|---|
| CN107882529A true CN107882529A (en) | 2018-04-06 |
| CN107882529B CN107882529B (en) | 2023-09-22 |
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| CN201711353419.5A Active CN107882529B (en) | 2017-12-15 | 2017-12-15 | Control system and method for protecting internal blowout preventer of top drive of petroleum drilling machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111224605A (en) * | 2019-10-25 | 2020-06-02 | 天水电气传动研究所集团有限公司 | Drilling machine oil power change control system and method adopting medium-voltage frequency conversion direct drive |
| CN111535772A (en) * | 2020-05-13 | 2020-08-14 | 中石化石油工程技术服务有限公司 | Well drilling wellhead anti-overflow control system |
| CN111932745A (en) * | 2020-08-17 | 2020-11-13 | 熊勇 | Blowout preventer assembly control cabinet and opening method |
| CN114415587A (en) * | 2022-01-20 | 2022-04-29 | 中国科学院上海高等研究院 | Adiabatic vacuum data acquisition control system and method for test station |
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