CN207813550U - A kind of control system for protecting oil-well rig top drive inner blowout preventer - Google Patents
A kind of control system for protecting oil-well rig top drive inner blowout preventer Download PDFInfo
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- CN207813550U CN207813550U CN201721755076.0U CN201721755076U CN207813550U CN 207813550 U CN207813550 U CN 207813550U CN 201721755076 U CN201721755076 U CN 201721755076U CN 207813550 U CN207813550 U CN 207813550U
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- blowout preventer
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- 239000003129 oil well Substances 0.000 title claims abstract description 12
- 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 39
- 241001225917 Prosopis affinis Species 0.000 claims abstract description 39
- 238000005553 drilling Methods 0.000 description 14
- 239000007921 spray Substances 0.000 description 7
- 238000005086 pumping Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 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
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model is related to a kind of for protecting oil-well rig top to drive the control system of inner blowout preventer, including top drive electric-control system and VFD electric-control systems；Drive one termination+24V power supplys of IBOP switches in the top, drive the input module of operation console PLC in another termination top, operation console PLC is connected to top by connection and drives automatically controlled main PLC, the output point for driving the I/O output modules of automatically controlled main PLC by the top again connects the ends A1 of K50 relays, the other end A2 of K50 relays is with meeting power supply M, K50 relay normally open points both ends connect two parallel lines, the wherein I/O input modules of the main PLC of the single line tail end connection automatically controlled integral cabinets of VFD, another single line tail end meets the power supply+24V of VFD electric-control systems, then connection and slush pump frequency converter are passed through by the main PLC of VFD respectively, driller station PLC is electrically connected.Even if the utility model has accomplished that driller occurs driving top the maloperation of inner blowout preventer IBOP, inner blowout preventer will not be driven to top and damaged, and cause other security risks, to which the inner blowout preventer driven to top is effectively protected.
Description
Technical field
The utility model belongs to petroleum drilling technology field, is related to oil-well rig top drive system inner blowout preventer, specifically
It is related to a kind of for protecting oil-well rig top to drive the control system of inner blowout preventer.
Background technology
Currently, compared to turntable, 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 drilling machine.It frequently to be connect during drilling well work, unload drilling rod, at this moment top can be driven interior anti-
Spray apparatus（IBOP）It carries out opening or closing operation with slush pump.Normally operation order is：It first has to drop the pump impulse 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, it when inner blowout preventer opening first to be driven on top, then slush pump being reached defined pump impulse and pump pressure value, starts to work.But
In this course, the frequent maloperation of driller：It either opens too late or forgets to open, since inner blowout preventer is driven on top（IBOP）
Mechanical special tectonic and pressure excessively high from the top down cannot be born, lead to inner blowout preventer（IBOP）Damage.On the other hand
It is not allow that the interior IBOP preventers closing driven will be pushed up in normal drilling production.But driller is because of visual fatigue or other sometimes
Reason can unconscious mistake will top drive IBOP switch get to closed position, cause be remotely controlled inner blowout preventer close, because slush pump is located always
In operating status with pressure, pump pressure can be suppressed to very high rapidly, slush pump outlet connection and pipeline and interior IBOP preventers is caused 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 equipment damage also entail dangers to personal safety.When interior spray apparatus damage is driven on top
Afterwards, when there is overflow and blowout, inner blowout preventer closing drill string channel can not be remotely controlled and cause the harm of bigger.
For case above, the measure hitherto taken is：Reinforce the awareness of safety education to driller personnel, and just
It often requires to keep spirit vigorous and attention high concentration in work, be operated in strict accordance with correct sequential steps.But this is in reality
In the course of work, driller personnel operation is chronically at attention high concentration, mentally high-strung state, while answering again
Different operation is carried out to underground difference operating mode, inevitably will appear for a long time tired mentally or on body, this is all
It cannot prevent the generation of maloperation completely, especially to new driller personnel.When the damage of top drive inner blowout preventer IBOP has occurred
It can only more renew, not only considerably increase the cost of maintenance, and delay normal production, also be buried in the normal use of drilling machine
Major safety risks are descended.
Utility model content
In order to solve the problems, such as that above-mentioned maloperation of the existing technology causes top to drive inner blowout preventer damage, the utility model
It provides a kind of for protecting oil-well rig top to drive the control system of inner blowout preventer.
The utility model adopts the following technical solution：A kind of control system for protecting oil-well rig top drive inner blowout preventer
Electric-control system and VFD electric-control systems are driven in system, including top；It includes that operation console is driven on top, automatically controlled main PLC ,-K50 are driven in top that automatically controlled system is driven on top
Relay, top drive operation console and are equipped with the input module that IBOP switch and its PLC is driven on top, and it includes CPU that automatically controlled main PLC is driven on the top
Module and 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, VFD
The automatically controlled main PLC of integral cabinet includes CPU module and I/O input modules etc., and driller station is equipped with driller station PLC and touch screen；Wherein,
One termination+24V power supplys of IBOP switches are driven on the top, and operation console PLC output module is driven on another termination top, which passes through
Profibus connections are connected to top and drive automatically controlled main PLC, then driven by the top I/O output modules of automatically controlled main PLC output point connect-
The ends A1 of K50 relays, with meeting power supply M ,-K50 relay normally open points both ends connect two and put down the other end A2 of-K50 relays
Line, wherein single line tail end connect the I/O input modules of the main PLC of the automatically controlled integral cabinets of VFD, and another single line tail end connects VFD electricity
Then power supply+the 24V of control system passes through Profibus connections and slush pump frequency converter, driller station PLC respectively by the main PLC of VFD
It is electrically connected.
Two parallel lines are respectively provided with plug by one 10 core cable, 4,10 core cable both ends, wherein one end
Plug is connected with-K50 relay normally open points the both ends, and the plug of the other end is respectively with the main PLC's of the automatically controlled integral cabinets of VFD
I/O input modules, VFD electric-control systems power supply+24V connect.
The method for using above system being used to that oil-well rig top to be protected to drive inner blowout preventer, specially：When drilling well produces, driller
When drive IBOP switches in top are got to closed state by personnel's operation, i.e., the closing of IBOP inner blowout preventers is driven on control top, and operation console is driven to top
One+24V high level " 1 " signal of PLC input modules passes the signal to top by Profibus bus communications and drives automatically controlled master
It is electric that PLC, I/O output module make-K50 relays " 3 " coil obtain, its normally opened contact is driven to be closed, the connection of opened point both ends
Two parallel lines by the way that in a 10 core cables, one is connected on the I/O input modules of the main PLC of the automatically controlled integral cabinets of VFD,
Other end connects the power supply+24V of VFD electric-control systems, is driven between electric-control system and VFD electric-control systems from top so as to complete signal
Transmission and two electric-control systems electric isolution, at this time VFD electric-control systems by the main PLC of the automatically controlled integral cabinets of VFD i.e. may know that top drive
The closed state of IBOP leads to as a control signal to slush pump frequency converter after PLC programmings main to the automatically controlled integral cabinets of VFD
It crosses Profibus communications completion slush pump frequency converter operation control is completed to start pressurized operation to slush pump, that is, pushes up anti-in driving
Spray apparatus " subtracts under closing or opening state when can judgement give " pump impulse is added to be pressurized " or pump operation with pressure respectively automatically
The control of pump impulse decompression ".
Driller station PLC and touch screen in driller station described in the utility model are electrically connected, and touch screen, which is equipped with, " starts slush pump
Button ", " increasing slush pump button ", " stopping slush pump button ", " reducing pump impulse button "；Described given " pump impulse is added to be pressurized "
It is given by startup " increasing slush pump button ".
Compared with prior art, the beneficial effects of the utility model are：
Two systems that electric-control system and drilling machine well site slush pump electric-control system are relatively independent are driven on conventional drilling machine top, they
Between be not in contact with, the utility model drives on top in inner blowout preventer IBOP open and-shut modes signal and VFD electric-control systems to slush pump
Control formed a lock-in control system, by VFD electric-control systems main PLC programming Controls realize top drive inner blowout preventer
The protection of IBOP controls, and the generation of the damage and other dangerous situations of interior spray apparatus is driven so as to avoid top.
1）Normal connecting and disconnecting drill rod is being carried out, during setting mud pumping operation, after having connect a drill string, 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, pass through master control VFD at this time
Or PLC program realization limits control to the specified rate of slush pump in the rooms SCR, is only 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 push 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, pump impulse cannot be increased, while can be
It is prompted on driller house touch screen：" in operation top drive inner blowout preventer be closed ", could be into only after being again turned on inner blowout preventer
Row normal pressurization operates.The appearance for suppressing pump situation is avoided, to prevent causing the damage, leakage and mud pump discharge of IBOP preventers
Joint cracking and relevant device are damaged and are injured with personnel because pressure-bearing is excessively high, and reduce the security risk in use.
Not only it had saved the repair time 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 utility model has been accomplished to drive top if driller occurs driving the maloperation of inner blowout preventer IBOP to top again
Inner blowout preventer damages, and causes other security risks, to which the inner blowout preventer driven to top is effectively protected.
Description of the drawings
Fig. 1 are the structural schematic diagrams of the utility model;
Fig. 2 are the program control flow charts of the utility model.
In figure：1. operation console 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.
Specific implementation mode
As shown in Figure 1, a kind of for protecting oil-well rig top to drive the control system of inner blowout preventer, including top drive electric-control system
With VFD electric-control systems；It includes that operation console 1 is driven on top, automatically controlled main PLC2 ,-K50 relays 3 are driven in top that automatically controlled system is driven on top, and operation console is driven on top
1, which is equipped with top, drives IBOP switches and PLC, PLC equipped with input module, and it includes CPU module and I/O that automatically controlled main PLC2 is driven on the top
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
It includes CPU module and I/O input modules to close the main PLC of cabinet, and driller station 6 is equipped with driller station PLC and touch screen；Wherein, the top is driven
Operation console PLC output module is driven on one termination+24V power supplys of IBOP switches, another termination top, which passes through Profibus connections
It is connected to top and drives automatically controlled main PLC, then drive by the top output points of the I/O output modules of automatically controlled main PLC and meet the A1 of-K50 relays 3
The other end A2 at end ,-K50 relays 3 is grounded M, and-K50 relay normally open points both ends connect two parallel lines, two parallel lines
Tail end, the wherein I/O input modules of the tail end connection automatically controlled integral cabinets of the VFD main PLC of single line, the tail end of another single line connect
Then+24V the power supplys of VFD electric-control systems pass through Profibus connections and slush pump frequency converter 7, department respectively by the main PLC of VFD
Rig floor PLC is electrically connected.
Two above-mentioned parallel lines are respectively provided with plug by one 10 core cable, 4,10 core cable both ends, wherein plug
One end is connected with-K50 relay normally open points the both ends that top is driven described in electric-control system, 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
It connects.
Driller station PLC and touch screen in driller station described in the utility model are electrically connected, and touch screen, which is equipped with, " starts slush pump
Button ", " increasing slush pump button ", " stopping slush pump button ", " reducing pump impulse button ".
When drilling well produces, driller personnel operation, which will push up to drive, to be prevented when IBOP switches get to closed state in i.e. control top drive IBOP
Spray apparatus is closed, and is driven operation console PLC one+24V high level " 1 " signal of input module to top, is passed through Profibus bus communications
It passes the signal to top and drives automatically controlled main PLC, it is electric that I/O output modules make 3 coil of-K50 relays obtain, its normally opened contact is driven to close
It closes, opened point both ends connect two parallel lines, and the VFD that a tail end in two parallel lines is connected to VFD electric-control systems is automatically controlled
The tail end of the main PLC I/O input modules of integral cabinet, another single line meets the automatically controlled integral cabinet power supply+24V of VFD, at this moment just by+24V this
A " 1 " signal is given to the I/O input modules of the main PLC of the automatically controlled integral cabinets of VFD, and electric-control system is driven from top so as to complete signal
Transmission between VFD electric-control systems, while also ensuring the electrical isolation of two electric-control systems.VFD electric-control systems pass through at this time
The main PLC of the automatically controlled integral cabinets of VFD is that may know that the open and close state of IBOP inner blowout preventers is driven on top.In addition driller station personnel are in touch screen 6
On started by the corresponding button on screen, stop, increasing pump impulse, reduce pump impulse, operation signal is passed through into the automatically controlled integral cabinets of VFD
Main PLC passes to slush pump frequency converter 7.From the aspect of electrical entirety, above-mentioned driller personnel are on touch screen 6, by screen
When carrying out operation starting to slush pump frequency converter and set pump impulse, the main PLC of the automatically controlled integral cabinets of VFD can first drive on control box top
The position of IBOP Operation switches and the practical "ON" of inner blowout preventer, " closing " state are measured in real time, and will determine that result is used as
Dynamic and setting mud frequency converter specified rate foundation, and slush pump frequency converter 7 is controlled, by the automatically controlled integral cabinets of VFD
Main PLC programs to complete to starting pressurized operation to slush pump, i.e., inner blowout preventer is driven under closing or opening state in top, respectively
Automatically subtract the control of pump impulse decompression when can judgement give plus pump impulse is pressurized or pump operation with pressure.Simultaneously on touching picture
Edit a prompt message：" top is driven inner blowout preventer and is closed at this time " reminds driller operating personnel in time.Using when
Specific procedure controls as shown in Fig. 2, the main PLC systems of automatically controlled integral cabinet in step 101 in the rooms VFD start to start operation, then
Judge that top drives which kind of state inner blowout preventer IBOP belongs to first into 102 steps, is closed, that is, presses if IBOP is driven on top
The direction of NO carries out in Fig. 2, forbids the starting of slush pump frequency converter in step 103, while to setting increasing pump on touch screen
The push button function key of punching value, which is blocked, to be forbidden setting, at this moment slush pump just can not starting operation, and on screen prompt " at this time
It drives inner blowout preventer and is closed in top.And it is re-circulated into 102 steps by arrow：Again inner blowout preventer IBOP opening and closings are driven to top
State judged, until driller personnel open preventer, program simultaneously detects judgement top and drives inner blowout preventer and drive IBOP and be in and open
State just can enter 104 steps by YES arrow directions in Fig. 2, and in 104 steps, driller personnel can be pressed by starting mud
Button priming pump frequency converter, and set by touch screen and increase pump impulse value, pressurized operation is started to slush pump from completion.In 105 steps
Slush pump is run by setting value in rapid.Continue to drive inner blowout preventer IBOP opening and closings to top in step 106 when slush pump normal operation
State is judged, checks what state IBOP is in, if in the open state, pump continues to set by original in 107 steps
Value normal operation can be on the touchscreen to pumping/the decompression operation that can normally be pressurizeed.If inner blowout preventer is driven on top in operation
IBOP is closed（There is driller's personnel's maloperation）, step 108 is shifted to, in step 108, is set automatically by program
Pump impulse value is zero, and control mud speed pump operation reduces to zero, avoids the occurrence of and suppresses pump.Pump impulse on Do not touch screen simultaneously increase and
Button settings function is reduced, prevents driller personnel from continuing operation pressurization, avoids continuing faulty operation.And it provides and carries on screen
Show, shows：" 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
102 step of state, again circular flow.Can judgement give respectively plus pump impulse is pressurized or subtracts pump automatically when pumping operation with pressure
The control for pressure of spining, to achieve the purpose that protect inner blowout preventer.
The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, make any variation in its shape or structure, it is every that there is same as the present application or phase
Approximate technical solution, all falls within the scope of protection of the utility model.
Claims (2)
1. a kind of for protecting oil-well rig top to drive the control system of inner blowout preventer, it is characterised in that：Electric-control system is driven including top
With VFD electric-control systems；It includes that operation console is driven on top that automatically controlled system is driven on top（1）, top drive automatically controlled main PLC（2）,-K50 relays（3）, top is driven
Operation console（1）It is equipped 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）Equipped with driller station PLC and touch screen；Its
In, one termination+24V power supplys of IBOP switches are driven on the top, and operation console PLC output module is driven on another termination top, which passes through communication
Line is connected to top and drives automatically controlled main PLC, then drives by the top output points of the I/O output modules of automatically controlled main PLC and connect-K50 relays（3）
The ends A1 ,-K50 relays（3）Other end A2 ground connection ,-K50 relay normally open points both ends connect two parallel lines, wherein one
Root line tail end connects the I/O input modules of the automatically controlled integral cabinets of VFD main PLC, another single line tail end connect the power supplys of VFD electric-control systems+
Then 24V passes through connection and slush pump frequency converter respectively by the main PLC of VFD（7）, driller station PLC is electrically connected.
2. according to claim 1 a kind of for protecting oil-well rig top to drive the control system of inner blowout preventer, feature exists
In：Two parallel lines use one 10 core cables（4）, 10 core cable both ends are respectively provided with plug, and wherein one end is inserted
Head is connected with-K50 relay normally open points both ends, and the plug of the other end inputs mould with the I/O of the main PLC of the automatically controlled integral cabinets of VFD respectively
Block, VFD electric-control systems power supply+24V connect.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721755076.0U CN207813550U (en) | 2017-12-15 | 2017-12-15 | A kind of control system for protecting oil-well rig top drive inner blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721755076.0U CN207813550U (en) | 2017-12-15 | 2017-12-15 | A kind of control system for protecting oil-well rig top drive inner blowout preventer |
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| Publication Number | Publication Date |
|---|---|
| CN207813550U true CN207813550U (en) | 2018-09-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882529A (en) * | 2017-12-15 | 2018-04-06 | 天水电气传动研究所有限责任公司 | A kind of control system and method for being used to protect oil-well rig top to drive inner blowout preventer |
-
2017
- 2017-12-15 CN CN201721755076.0U patent/CN207813550U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882529A (en) * | 2017-12-15 | 2018-04-06 | 天水电气传动研究所有限责任公司 | A kind of control system and method for being used to protect oil-well rig top to drive inner blowout preventer |
| CN107882529B (en) * | 2017-12-15 | 2023-09-22 | 天水电气传动研究所有限责任公司 | Control system and method for protecting internal blowout preventer of top drive of petroleum drilling machine |
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