CN107060672A - Surge mud gate valve control method - Google Patents
Surge mud gate valve control method Download PDFInfo
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- CN107060672A CN107060672A CN201710141677.0A CN201710141677A CN107060672A CN 107060672 A CN107060672 A CN 107060672A CN 201710141677 A CN201710141677 A CN 201710141677A CN 107060672 A CN107060672 A CN 107060672A
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- gate valve
- mud
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- pipeline
- pump
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004146 energy storage Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000000446 fuel Substances 0.000 claims abstract description 8
- 238000005553 drilling Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 239000003129 oil well Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 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
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Surged mud gate valve control method the invention discloses one kind, the oil feed line of hydraulic control circuit is divided into by pipeline epimere by control valve, pipeline hypomere and energy storage section, and in pipeline epimere, pipeline hypomere difference gate valve off-load branch road in parallel and oil pump off-load branch road, energy storage section connects stored energy mechanism by branch pipe, make to surge mud gate valve and oil pump is often in unloading condition, the operating process of gate valve is by the energy-storage system fuel feeding in the range of rated pressure, both pulse fuel feeding had been avoided, improve the reliability of gate valve operation, decrease the heavy-duty service time of duplex hydraulic pump and the mud gate valve that surges, extend the mud gate valve that surges, oil pump and the service life for controlling liquid-way system.
Description
Technical field
The invention belongs to oil-well drilling equipment control technology field, more particularly to one kind is surged mud gate valve control method.
Background technology
During oil drilling, it usually needs continuously supply high-pressure slurry to downhole drill bit position, to boring
Head is cooled down, while the rock dust drilled through is diluted into stirring, well head is taken out of by circulating mud；On the other hand, oil
Drillng operation when drill bit depth reaches a run of steel, then need by enter underground earn not drilling rod be promoted to ground with
On, piece drilling rod of continued access, then all drilling rods are dropped in well, drive bit to continue drillng operation by kelly bar.
Dismount on drilling rod, shackle, rise, in going down process, drilling rod stalling, it is necessary to stop the supply of mud in time, follow mud in well
Ring is stagnated, to avoid the injection and waste of mud, while preventing equipment, the generation of personal serious accident.Therefore, generally by with
The mud control gate valve put, and it is more frequently opened and closed, control effective in real time is carried out to the break-make that mud is circulated.
At present, the control to mud gate valve has manual and pneumatic two ways, and the mud gate valve structure controlled manually compares
Simply, the reliability of gate valve keying switching action is also stronger；It has the disadvantage that labor intensity is big, and because it is by the biography instructed
The influence of the factor such as all links and the spiritual emotional state of operator is passed and receives, the remolding sensitivity of operational motion is poor, together
When operator must adhere to waiting near high pressure pipe joint, once gate valve and manifold break down, be easily caused the injury of the person,
Even bring the generation of major accident.Pneumatic mud gate valve operational motion is more sensitive, and can realize remote-controlled operation；But,
It has that high pressure air governor is larger to the impulsive force of gate valve, and component is easily damaged, and service life is shorter, corresponding maintenance, updates cost
It is higher, the security reliability and drillng operation efficiency of corresponding influence mud circulating system.
CN86205569 patents disclose a kind of Self-controlled antioverpressure pneumatic high-pressure valve, and it is applied to frequent operation, and
Complete pressure release can be carried out automatically when high-pressure fluid medium exceedes limit value, also be can control the deflation of mud pump clutch and plucked from mud
Stock pump is stopped, and can realize the duplicate protection to equipment and manifold, and the high pressure sluice valve still suffers from all of pneumatic control operation
Defect is planted, lacks autoprotection and opens and closes the measure of reliability.
The content of the invention
The technical problems to be solved by the invention are to provide one kind and surged mud gate valve control method, can be efficiently against
The drawbacks described above that prior art is present, implements efficiently and reliably to control to mud gate valve, and surge mud gate valve and its liquid
Pressure control system service life is long, and power consumption is few, easy to operate, and hand labor intensity is low.
Realize that above-mentioned purpose is adopted the technical scheme that：One kind is surged mud gate valve control method, and it includes following step
Suddenly：
1）The oil feed line of hydraulic control circuit is divided into by pipeline epimere, pipeline hypomere and energy storage section by control valve, and
In pipeline epimere, pipeline hypomere difference gate valve off-load branch road in parallel and oil pump off-load branch road, energy storage section passes through branch pipe and connects storage
Can mechanism；
2）Starting hydraulic pump makes the pressure in oil feed line and stored energy mechanism reach the mud gate valve nominal manipulation pressure upper limit of surging
Value；
3）The pipeline hypomere and energy storage section of oil feed line are blocked, oil pump off-load branch road is opened and is turned off after pressure release, close down liquid
Press pump；
4）Need actuating to surge slush pump gate valve according to drillng operation, and be allowed to be in blocking；
5）Pipeline epimere and energy storage section are blocked, and opens gate valve off-load branch road pressure release is carried out to the mud gate valve that surges, and let out
Gate valve off-load branch road is turned off after pressure；
6）It need to again operate when surging slush pump gate valve, open the connection between pipeline epimere and energy storage section, Ran Houchong
Multiple step 4）、5）；
7）When the pressure in stored energy mechanism, which drops to, surges mud gate valve rated operating pressure lower limit, whole fuel feed pump is opened
Road, starts hydraulic pump, the pressure in oil feed line and stored energy mechanism is reached mud gate valve nominal manipulation pressure higher limit of surging；
8）Repeat step 3）To 7）Operation, until oil well finishing drilling.
The step 4）In, make to surge mud gate valve in blocking by close-lock control valve.
The step 3）——7）Remote-controlled operation is carried out by controller.
The surge advantage of mud gate valve control method of the present invention is：
Surge mud gate valve whole operation process by the range of gate valve nominal manipulation pressure and basicly stable energy-storage system
Fuel feeding, it is possible thereby to avoid pulse fuel feeding, increases substantially the reliability of gate valve operation；Moreover, the hydraulic pressure for the mud gate valve that surges
Control system intermittent duty is operated, and its maximum pressure is controlled within the scope of the mud gate valve nominal manipulation pressure that surges, and is subtracted significantly
Lack the load operation time of hydraulic control system, therefore this method is beneficial to surge mud gate valve and whole control system uses the longevity
The extension of life.In addition, few according to the operation power consumption of this control method, easy to operate, hand labor intensity is low.
Brief description of the drawings
The present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation for the mud gate valve control device that surges that the present invention is used.
Embodiment
" the mud gate valve that the surges control dress that applicant separately applies can be used in the mud gate valve control device that surges of the present invention
Put ", its structure is as shown in figure 1, the device surges mud gate valve 1, casing including connection（Do not show in figure）With in casing
Hydraulic control system, the mud gate valve 1 that surges is arranged on the top of casing, and hydraulic control system includes connecting liquid by reversal valve 17
Dynamic mud gate valve 1 simultaneously connects the hydraulic control circuit that the high-pressure oil pipe of duplex hydraulic pump 7 is constituted, and with the mud gate valve 1 that surges,
Reversal valve 17 and the controller 14 of the difference signal connection of duplex hydraulic pump 7, controller 14 can use single-chip microcomputer.Wherein duplex hydraulic pressure
Pump 7 is made up of preceding the second small flow high pressure of series connection of pumps pump, its power intake connection engine 6, and engine 6 can be using hair
Motivation or motor, to surge, mud gate valve 1 provides hydraulic power source, and simple cost of so constructing is low, meets working condition requirement.Surging
Lock-in control valve 18 can be set on the oil inlet pipe of mud gate valve 1, to facilitate the realization mud gate valve 1 that surges to open and close the locking of state,
Certain lock-in control valve 18 can realize remote-controlled operation using the solenoid electric valve being connected with the signal of controller 14.Hydraulic pressure control
The oil feed line in loop processed is divided into pipeline epimere 2, pipeline hypomere 8 by preposition control valve 16 and rearmounted control valve 5 and is located at
Middle energy storage section 3, and the lock of parallel communication oil feed line and return line respectively on pipeline epimere 2, pipeline hypomere 8
Valve off-load branch road and oil pump off-load branch road, energy storage section set the stored energy mechanism being connected with the signal of controller 14 by branch pipe respectively
With pressure detector 4, gate valve off-load branch road and oil pump off-load branch road set the gate valve off-load being connected with the signal of controller 14 respectively
Valve 15 and oil pump off-load valve 9.The stored energy mechanism uses hydraulic energy storage device 11, and it includes high-pressure bottle and in high-pressure bottle
Rubber pneumatic bag 12, air bag 12 connects and is communicated with high pressure gas pipeline 13, and the space outside rubber pneumatic bag 12 is used to fill high pressure
Fluid.
The mud gate valve control method of surging of the present invention is as follows：
Typing duplex hydraulic pump 7, preposition control valve 16 and rearmounted control valve 5 and the and of gate valve unloading valve 15 are compiled and edited in controller
After the control program of oil pump off-load valve 9, the rubber pneumatic bag 12 first into hydraulic energy storage device 12 is inflated to setting pressure, to ensure
Safety, best inflated with nitrogen, general Preliminary pressure-filled is 7MPa；Again by the control of controller 14, make gate valve unloading valve 15 and oil pump
Unloading valve 9 is in closed mode, and preposition control valve 16 and rearmounted control valve 5 are in opening；Now start duplex hydraulic pressure
Pump 7 makes the pressure in oil feed line and hydraulic energy storage device 12 reach surge the nominal manipulation pressure higher limit of mud gate valve 1, this upper limit
Value typically may be set to 16MPa；Rearmounted control valve 16 is then closed, duplex hydraulic pump 7 is closed down, can also make duplex pump hydraulic pump 7
In holding state, oil pump off-load valve 9 is opened, the pressure of the pipeline hypomere 8 is down to the nominal operation for the mud gate valve 1 that surges
Low pressure limit value（11MPa）Below and oil pump off-load valve 9 is momentarily turned off, thus reduces the load of duplex pump hydraulic pump 7 and its dynamic
Power is consumed, and, utilizes the oil pressure of the deposit of hydraulic energy storage device 12 beneficial to the service life for extending duplex pump hydraulic pump 7 then
Needed to surge being turned on and off of slush pump gate valve 1 by the actuating of reversal valve 17 according to drillng operation, and made after the completion of operation
Be in blocking, the blocking can be realized by close-lock control valve 18.Then preposition control valve 16 is closed again
Close, open gate valve unloading valve 15, the pressure in the pipeline epimere 2 is down under the nominal manipulation pressure for the mud gate valve 1 that surges
Limit value（11MPa）Below and gate valve unloading valve 15 is momentarily turned off, the slush pump gate valve 1 that makes to surge is in pressure release state, to extend it
Service life, while keeping the oil pressure in hydraulic energy storage device 12 and energy storage section pipeline 3 in case using again.
Need actuating again surge slush pump gate valve 1 when, without starting duplex hydraulic pump 7, only need to open preposition control valve
16, you can carry out actuating using the oil pressure in hydraulic energy storage device 12 and energy storage section pipeline 3；It can be weighed in drillng operation then
Multiple above-mentioned relevant operation.Only when the pressure that pressure detector 4 is monitored in energy storage section pipeline and hydraulic energy storage device 12 declines
To the nominal manipulation pressure lower limit for the mud gate valve 1 that surges（Generally 11MPa）When, this signal is sent to controller 14, led to
Preposition control valve 16 and rearmounted control valve 9 are opened in the control for crossing controller 14, are started duplex hydraulic pump 7, are made oil feed line and liquid
Pressure in pressure accumulator 12 recovers to reach the nominal manipulation pressure higher limit for the mud gate valve 1 that surges, you can follow as stated above
Ring is operated, until oil well finishing drilling.
Operate, because operating process is by the basicly stable energy-storage system fuel feeding of pressure, thus can keep away as stated above
Exempt from pulse fuel feeding, thus increase substantially the reliability of gate valve operation；In addition surge mud gate valve 1 hydraulic control system it is interrupted
High load operation, and the control of its maximum pressure greatly reduces duplex within the scope of mud gate valve rated operating pressure of surging
The load operation time of hydraulic pump 7 and pipeline.Therefore, this method is used beneficial to surge mud gate valve, hydraulic pump and pipe-line system
Life-time dilatation and the reduction of fault rate.In addition, easy to operate, hand labor few according to the operation power consumption of this control method
Low intensity.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this area is common
Other modifications or equivalent substitution that technical staff is made to technical scheme, without departing from technical solution of the present invention
Spirit and scope, all should cover among scope of the presently claimed invention.
Claims (3)
- The mud gate valve control method 1. one kind is surged, it is characterised in that：It comprises the following steps：1）The oil feed line of hydraulic control circuit is divided into by pipeline epimere, pipeline hypomere and energy storage section by control valve, and In pipeline epimere, pipeline hypomere difference gate valve off-load branch road in parallel and oil pump off-load branch road, energy storage section passes through branch pipe and connects storage Can mechanism；2）Starting hydraulic pump makes the pressure in oil feed line and stored energy mechanism reach the mud gate valve nominal manipulation pressure upper limit of surging Value；3）The pipeline hypomere and energy storage section of oil feed line are blocked, oil pump off-load branch road is opened and is turned off after pressure release, close down liquid Press pump；4）Need actuating to surge slush pump gate valve according to drillng operation, and be allowed to be in blocking；5）Pipeline epimere and energy storage section are blocked, and opens gate valve off-load branch road pressure release is carried out to the mud gate valve that surges, and let out Gate valve off-load branch road is turned off after pressure；6）It need to again operate when surging slush pump gate valve, open the connection between pipeline epimere and energy storage section, Ran Houchong Multiple step 4）、5）；7）When the pressure in stored energy mechanism, which drops to, surges mud gate valve rated operating pressure lower limit, whole fuel feed pump is opened Road, starts hydraulic pump, the pressure in oil feed line and stored energy mechanism is reached mud gate valve nominal manipulation pressure higher limit of surging；8）Repeat step 3）To 7）Operation, until oil well finishing drilling.
- 2. mud gate valve control method as claimed in claim 1 of surging, it is characterised in that：The step 4）In, by closing Lock-in control valve makes to surge mud gate valve in blocking.
- 3. mud gate valve control method as claimed in claim 1 or 2 of surging, it is characterised in that：The step 3）——7）It is logical Cross controller and carry out remote-controlled operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710141677.0A CN107060672B (en) | 2017-03-10 | 2017-03-10 | Control method of hydraulic slurry gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710141677.0A CN107060672B (en) | 2017-03-10 | 2017-03-10 | Control method of hydraulic slurry gate valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107060672A true CN107060672A (en) | 2017-08-18 |
| CN107060672B CN107060672B (en) | 2020-02-18 |
Family
ID=59622374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710141677.0A Active CN107060672B (en) | 2017-03-10 | 2017-03-10 | Control method of hydraulic slurry gate valve |
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| Country | Link |
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| CN (1) | CN107060672B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040007392A1 (en) * | 1998-03-27 | 2004-01-15 | Judge Robert A. | Subsea mud pump and control system |
| CN201078226Y (en) * | 2007-08-22 | 2008-06-25 | 杨志高 | Density calibrations apparatus with auto hydraulic pressure pulling and leaning equipment |
| CN201507505U (en) * | 2009-09-23 | 2010-06-16 | 山东广富集团有限公司 | Hydraulic station electromotor intermittent starting booster unit |
| CN202031536U (en) * | 2011-02-25 | 2011-11-09 | 中国石油集团川庆钻探工程有限公司 | Novel control system of well-mouth safety valve |
| CN202391382U (en) * | 2011-12-02 | 2012-08-22 | 重庆新泰标川仪表有限公司 | Wellhead surface safety valve control system |
| CN103306642A (en) * | 2013-07-01 | 2013-09-18 | 晋中市榆次海洋液压有限公司 | Numerical control energy-saving and rodless type pumping unit |
| US20140048158A1 (en) * | 2012-08-17 | 2014-02-20 | S.P.M. Flow Control, Inc. | Automated relief valve control system and method |
-
2017
- 2017-03-10 CN CN201710141677.0A patent/CN107060672B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040007392A1 (en) * | 1998-03-27 | 2004-01-15 | Judge Robert A. | Subsea mud pump and control system |
| CN201078226Y (en) * | 2007-08-22 | 2008-06-25 | 杨志高 | Density calibrations apparatus with auto hydraulic pressure pulling and leaning equipment |
| CN201507505U (en) * | 2009-09-23 | 2010-06-16 | 山东广富集团有限公司 | Hydraulic station electromotor intermittent starting booster unit |
| CN202031536U (en) * | 2011-02-25 | 2011-11-09 | 中国石油集团川庆钻探工程有限公司 | Novel control system of well-mouth safety valve |
| CN202391382U (en) * | 2011-12-02 | 2012-08-22 | 重庆新泰标川仪表有限公司 | Wellhead surface safety valve control system |
| US20140048158A1 (en) * | 2012-08-17 | 2014-02-20 | S.P.M. Flow Control, Inc. | Automated relief valve control system and method |
| CN103306642A (en) * | 2013-07-01 | 2013-09-18 | 晋中市榆次海洋液压有限公司 | Numerical control energy-saving and rodless type pumping unit |
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| Publication number | Publication date |
|---|---|
| CN107060672B (en) | 2020-02-18 |
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