CN105178924A - System for remotely controlling intelligent switch of electromagnetic valve - Google Patents
System for remotely controlling intelligent switch of electromagnetic valve Download PDFInfo
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- CN105178924A CN105178924A CN201510505197.9A CN201510505197A CN105178924A CN 105178924 A CN105178924 A CN 105178924A CN 201510505197 A CN201510505197 A CN 201510505197A CN 105178924 A CN105178924 A CN 105178924A
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- 238000005259 measurement Methods 0.000 abstract 1
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- 230000003203 everyday effect Effects 0.000 description 2
- 235000018734 Sambucus australis Nutrition 0.000 description 1
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- OGFXBIXJCWAUCH-UHFFFAOYSA-N meso-secoisolariciresinol Natural products C1=2C=C(O)C(OC)=CC=2CC(CO)C(CO)C1C1=CC=C(O)C(OC)=C1 OGFXBIXJCWAUCH-UHFFFAOYSA-N 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
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Abstract
The invention provides a system for remotely controlling an intelligent switch of an electromagnetic valve, which comprises: the remote measurement and control terminal RTU is connected with the gas well and used for collecting production data of the gas well; the controller is connected with the RTU through a wireless network and is used for acquiring the production data of the gas well acquired by the RTU in a polling mode; the electromagnetic valve is arranged at the wellhead of the gas well; when the controller determines that the production data of the ith gas well meet preset conditions, a control command is sent to the ith RTU through a wireless network according to the single-well control type of the ith gas well; the ith RTU controls the opening and closing action of the ith electromagnetic valve according to the control command, so that the remote intelligent control of the electromagnetic valve is realized; the RTU comprises n gas wells, the number of the gas wells comprises n electromagnetic valves, the n is a natural number, and the i is a natural number from 1 to n.
Description
Technical field
The invention belongs to oil gas field technical field of automation, particularly relate to a kind of system of Long-distance Control electromagnetic valve intelligent switch.
Background technology
Along with informatization development deeply, in order to improve production efficiency of oilfields, optimizing field produces work flow, reducing staff labor intensity, reduce running cost, field produces is also progressively to automated production future development.
Such as, to in the switch control rule process of individual well, prior art is generally that operative employee sends control command by host computer, well head RTU (RTU is transferred to through radio station, RemoteTerminalUnit) switch well control command is performed, remote handle controls individual well electromagnetic valve switch, but mainly there is following problem in this control mode: first, after manual command sends, it is comparatively slow that control instruction feedback signal returns speed in station through gas well taking turn collection, can not play the function controlled in real time in time; The second, along with the expansion of real estate inefficient well, the control for gas well is frequent, and manual control frequency is higher, increases human cost; 3rd, Artificial Control does not have the automatic protection of well head pipeline, produces bring hidden danger to site safety; 4th, different classes of single well-controlled condition is different, and Artificial Control operation easier is larger.
Based on this, need a kind of novel control system at present badly, to solve the aforementioned problems in the prior.
Summary of the invention
For prior art Problems existing, the invention provides a kind of system of Long-distance Control electromagnetic valve intelligent switch, Based Intelligent Control oil well production can not cause the technical problem that inefficiency, cost of production are high for solving in prior art.
The invention provides a kind of system of Long-distance Control electromagnetic valve intelligent switch, described system comprises:
RTU RTU, described RTU is connected with gas well, for gathering the creation data of described gas well;
Controller, described controller is connected with described RTU by wireless network, obtains the creation data of the described gas well that described RTU gathers for taking turn;
Electromagnetic valve, described electromagnetic valve is arranged on the well head of described gas well; Wherein,
When described controller determines that the creation data of described i-th gas well meets default condition, send control command by wireless network to i-th RTU;
Described i-th RTU controls the switch motion of described i-th electromagnetic valve according to described control command, realizes the long-distance intelligent control of electromagnetic valve; Wherein, described RTU comprises n, and described gas well comprises n, and described electromagnetic valve comprises n, and described n is natural number, and described i is the natural number of 1 ~ n.
In such scheme, when the creation data determining i-th gas well does not meet the condition preset, described controller also for:
Gathering the creation data of the i-th+1 gas well, when determining that the creation data of described the i-th+1 gas well meets default condition, sending control command by wireless network to the i-th+1 RTU.
In such scheme, described wireless network comprises: data radio station network, general packet radio service technology (GPRS, GeneralPacketRadioService) network and radio net bridge network.
In such scheme, described default condition is: the oil pressure value of gas well preset, casing pressure value and flow value.
In such scheme, described gas well type comprises: test well, yield poorly and production time long individual well and the high individual well of output.
In such scheme, the creation data that described controller taking turn obtains the described gas well that described RTU gathers comprises:
Described controller sends i-th read data order to by wireless network to described i-th RTU; Described i-th read data order comprises: i-th digital independent message and i-th control message;
The creation data of described i-th gas well is sent to described controller according to described i-th digital independent message by described i-th RTU, when described controller determines that the creation data of described i-th gas well meets default condition, control according to described i-th the switch motion that message controls described i-th electromagnetic valve;
After described controller controls the switch motion of described i-th electromagnetic valve, obtain the creation data of the i-th+1 gas well, and control the switch motion of the i-th+1 electromagnetic valve; Wherein, described i is the natural number of 1 ~ n.
In such scheme, described system also comprises: well head high-low pressure protector; Wherein,
Described well head high-low pressure protector is used for: when detecting that gas well mouth line pressure exceeds default high-low pressure protection value, performs and cuts off action, guarantee safe production to described well head pipeline.
In such scheme, described controller specifically comprises: ControlWave controller.
The invention provides a kind of system of Long-distance Control electromagnetic valve intelligent switch, described system comprises: RTU RTU, and described RTU is connected with gas well, for gathering the creation data of described gas well; Controller, described controller is connected with described RTU by wireless network, obtains the creation data of the described gas well that described RTU gathers for taking turn; Electromagnetic valve, described electromagnetic valve is arranged on the well head of described gas well; Wherein, when described controller determines that the creation data of described i-th gas well meets default condition, send control command by wireless network to i-th RTU; Described i-th RTU controls the switch motion of described i-th electromagnetic valve according to described control command, realizes the long-distance intelligent control of electromagnetic valve; Wherein, described RTU comprises n, and described gas well comprises n, and described electromagnetic valve comprises n, and described n is natural number, and described i is the natural number of 1 ~ n; So, for the switch of different individual well type real-time intelligent Controlling solenoid valve efficiently, thus the fertile object of low yield inefficient well intelligence can be reached, economize on resources, reduce cost of production.
Accompanying drawing explanation
The overall system architecture schematic diagram of a kind of Long-distance Control electromagnetic valve intelligent switch that Fig. 1 provides for the embodiment of the present invention;
The overall system architecture schematic diagram of the another kind of Long-distance Control electromagnetic valve intelligent switch that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
The fertile object of intelligence is reached in order to low yield inefficient well can be made, increase work efficiency, reduce cost of production, the invention provides a kind of system of Long-distance Control electromagnetic valve intelligent switch, described system comprises: RTU RTU, described RTU is connected with gas well, for gathering the creation data of described gas well; Controller, described controller is connected with described RTU by wireless network, obtains the creation data of the described gas well that described RTU gathers for taking turn; Electromagnetic valve, described electromagnetic valve is arranged on the well head of described gas well; Wherein, when described controller determines that the creation data of described i-th gas well meets default condition, send control command by wireless network to i-th RTU; Described i-th RTU controls the switch motion of described i-th electromagnetic valve according to described control command, realizes the long-distance intelligent control of electromagnetic valve; Wherein, described RTU comprises n, and described gas well comprises n, and described electromagnetic valve comprises n, and described n is natural number, and described i is the natural number of 1 ~ n.
Below by drawings and the specific embodiments, technical scheme of the present invention is described in further detail.
The present embodiment provides a kind of system of Long-distance Control electromagnetic valve intelligent switch, and as shown in Figure 1, described system comprises: controller 11, RTU12, gas well 13, electromagnetic valve 14; Wherein,
Described controller 11 is connected with RTU RTU12 by wireless network, obtains the creation data of the gas well 13 that described RTU12 gathers for taking turn.Described RTU12 is connected with gas well 13, and described gas well 13 well head is provided with electromagnetic valve 14; Wherein,
As shown in Figure 2, described RTU12 comprises n, is respectively a RTU121 until the n-th RTU12n;
Described gas well 13 comprises n, is respectively the first gas well 131 until the n-th gas well 13n;
Described electromagnetic valve 14 comprises n, is respectively the first electromagnetic valve 141 until the n-th electromagnetic valve 14n;
Here, the creation data that the taking turn of described controller 11 obtains the gas well 13 that described RTU12 gathers comprises: first described controller 11 will get the creation data of i-th gas well 13, when determining that the creation data of described i-th gas well 13 meets default condition, after the switch motion of i-th electromagnetic valve 14 described in Long-distance Control, then obtain the creation data of the i-th+1 gas well 13.
Wherein, described creation data comprises: the single well-controlled type of the oil pressure value of gas well 13, casing pressure value, flow value and gas well 13.Described default condition is: the oil pressure value of gas well 13 preset, casing pressure value and flow value.Described n is natural number, and described i is the natural number of 1 ~ n.Described wireless network data radio station network, GPRS network and radio net bridge network.
Particularly, described controller 11 sends i-th read data order to by wireless network to described i-th RTU12; Described i-th read data order comprises: i-th digital independent message and i-th control message; The creation data of described i-th gas well is sent to described controller 11 according to described i-th digital independent message by described i-th RTU12, when described controller 11 determines that the creation data of described i-th gas well meets default condition, generate i-th according to the single well-controlled type of i-th gas well 13 and creation data and control message, described i-th RTU12 controls according to described i-th the switch motion that message controls described i-th electromagnetic valve 14, realizes the long-distance intelligent control of i-th electromagnetic valve 14.
Wherein, described i-th controls to comprise described i-th control command in message; Described individual well type comprises: test well, yield poorly and production time long individual well and the high individual well of output.
Such as, if when i-th gas well 13 is test well, because test well pressure drop is very fast, flow is less, so can only carries out SECO to i-th of i-th gas well 13 electromagnetic valve 14, just can reach best working condition.Here, the program of described control message realizes as follows:
C＝Z1；
C＝Z2；
Wherein, C is the first variate-value preset, and Z1 is the time of automatic valve opening, and Z2 is the time of valve-closing 14.Such as, when Z1 is set to 5min, i-th electromagnetic valve 14 of described i-th gas well 13 automatically can open after cut out 5min; When Z2 is set to 5min, i-th electromagnetic valve 14 of described i-th gas well 13 automatically can cut out after unlatching 5min.
And if i-th gas well 13 for yield poorly and production time long individual well time, carry out complex controll by flow value and casing pressure value to it, the program of described control message realizes specific as follows:
B>Y1；
B<Q；
Wherein, B is the variate-value preset, and Y1 is the casing pressure value of automatic valve opening, and Q is the flow value of valve-closing.Namely when controller 11 determines that the casing pressure value of i-th gas well 13 is greater than default Y1, send i-th control message to i-th RTU12, described i-th RTU12 controls described i-th electromagnetic valve 14 of message control according to described i-th and opens.
Or when controller 11 determines that the flow value of i-th gas well 13 is less than default Q, send i-th control message to i-th RTU12, described i-th RTU12 controls described i-th electromagnetic valve 14 of message control according to described i-th and closes.
In addition, if during i-th gas well 13 individual well that to be output high, the individual well casing pressure change high because of output is mild, so only controlled by casing pressure value, the program of described control message realizes specific as follows:
A>X1；
A<X2；
Wherein, A is the variate-value preset, and X1 is the casing pressure value of default automatic valve opening, and X2 is the casing pressure value of default valve-closing.Namely when controller 11 determines that the casing pressure value of i-th gas well 13 is greater than default X1, send i-th control message to i-th RTU12, described i-th RTU12 controls described i-th electromagnetic valve 14 of message control according to described i-th and opens.Such as, when X1 is 4MPa, when the casing pressure value of i-th gas well 13 is greater than 4MPa, controller 11 controls i-th electromagnetic valve 14 and opens.
Or when controller 11 determines that the casing pressure value of i-th gas well 13 is less than default X2, send i-th control message to i-th RTU12, described i-th RTU12 controls described i-th electromagnetic valve 14 of message control according to described i-th and closes.Such as, when X2 is 3MPa, when the casing pressure value of i-th gas well 13 is less than 3MPa, controller 11 controls i-th electromagnetic valve 14 and cuts out.
Here, after described controller 11 controls the switch motion of described i-th electromagnetic valve, obtain the creation data of the i-th+1 gas well 13 after the same method, and control the switch motion of the i-th+1 electromagnetic valve 14.The production status controlling each gas well 13 real-time can be guaranteed like this.
Further, when described controller 11 determines that the creation data of i-th gas well 13 does not meet the condition preset, described controller 11 gathers the creation data of the i-th+1 gas well 13 according to the method same with the creation data of collection i-th gas well 13, judge whether the creation data of described the i-th+1 gas well 13 meets the condition preset, when determining that the creation data of described the i-th+1 gas well 13 meets default condition, generate the i-th+1 according to the single well-controlled type of the i-th+1 gas well 13 and control message, described the i-th+1 RTU12 controls according to described the i-th+1 the switch motion that message controls described the i-th+1 electromagnetic valve 14, realize the long-distance intelligent control of the i-th+1 electromagnetic valve 14.
Here, described system also comprises: well head high-low pressure protector 15; Described well head high-low pressure protector 15 comprises n; Wherein, described well head high-low pressure protector 15 is connected with the well head of gas well 13; when described well head high-low pressure protector 15 detects that gas well mouth line pressure exceeds default high-low pressure protection value; no matter whether current gas well 13 is in normal production status; described well head high-low pressure protector 15 performs emergency cut-off action to described well head pipeline; make well head pipeline pressure drop to basically identical with line pressure downstream, guarantee safe production.
In practical application, described controller 11 specifically can comprise: ControlWave controller, programmable logic controller (PLC) (PLC, ProgrammableLogicController).
The system of Long-distance Control electromagnetic valve intelligent switch provided by the invention mainly comprises following advantage:
(1) stable.This system carries out Long-distance Control to 97 mouthfuls of wells, has run since 1 year, and efficient is 92%.
(2) operating efficiency is high.Manual control switch's well of the prior art, there to be 200 implication well remote switchs every day, it is 5 minutes that every mouthful of well performs switch time, at least need 2 staff work every day 8 hours repeat click work; And this system has departed from manual control completely, only need 1 staff, 2 hours periodic auditing switch well states, operating efficiency has improve 8 times.
(3) automatization level is high.The system of described Long-distance Control electromagnetic valve intelligent switch fundamentally solves the automatic control of gas well gas transmission line and regulates problem, and can according to the different demands of gas well liquid loading, carry out real-time dynamic response according to different production statuses such as gas well flow, pressure, times to control, improve pipeline automatization level.
(4) safety factor is high.The system of described Long-distance Control electromagnetic valve intelligent switch adds pipeline safety coefficient, simultaneously rate during efficient and rational arrangement gas well switch well, ensures that gas well is normally produced.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a system for Long-distance Control electromagnetic valve intelligent switch, is characterized in that, described system comprises:
RTU RTU, described RTU is connected with gas well, for gathering the creation data of described gas well;
Controller, described controller is connected with described RTU by wireless network, obtains the creation data of the described gas well that described RTU gathers for taking turn;
Electromagnetic valve, described electromagnetic valve is arranged on the well head of described gas well; Wherein,
When described controller determine the creation data of i-th gas well meet default condition time, send control command by wireless network to i-th RTU;
Described i-th RTU controls the switch motion of described i-th electromagnetic valve according to described control command, realizes the long-distance intelligent control of electromagnetic valve; Wherein, described RTU comprises n, and described gas well comprises n, and described electromagnetic valve comprises n, and described n is natural number, and described i is the natural number of 1 ~ n.
2. the system as claimed in claim 1, is characterized in that, when the creation data determining i-th gas well does not meet the condition preset, described controller also for:
Gathering the creation data of the i-th+1 gas well, when determining that the creation data of described the i-th+1 gas well meets default condition, sending control command by wireless network to the i-th+1 RTU.
3. the system as claimed in claim 1, is characterized in that, described wireless network comprises: data radio station network, general packet radio service technology GPRS network and radio net bridge network.
4. the system as claimed in claim 1, is characterized in that, described default condition is: the oil pressure value of gas well preset, casing pressure value and flow value.
5. the system as claimed in claim 1, is characterized in that, described gas well type comprises: test well, yield poorly and production time long individual well and the high individual well of output.
6. the system as claimed in claim 1, is characterized in that, the creation data that described controller taking turn obtains the described gas well that described RTU gathers comprises:
Described controller sends i-th read data order to by wireless network to described i-th RTU; Described i-th read data order comprises: i-th digital independent message and i-th control message;
The creation data of described i-th gas well is sent to described controller according to described i-th digital independent message by described i-th RTU, when described controller determines that the creation data of described i-th gas well meets default condition, control according to described i-th the switch motion that message controls described i-th electromagnetic valve;
After described controller controls the switch motion of described i-th electromagnetic valve, obtain the creation data of the i-th+1 gas well, and control the switch motion of the i-th+1 electromagnetic valve; Wherein, described i is the natural number of 1 ~ n.
7. the system as claimed in claim 1, is characterized in that, described system also comprises: well head high-low pressure protector; Wherein,
Described well head high-low pressure protector is used for: when detecting that gas well mouth line pressure exceeds default high-low pressure protection value, performs and cuts off action, guarantee safe production to described well head pipeline.
8. the system as claimed in claim 1, is characterized in that, described controller specifically comprises: ControlWave controller.
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| CN201510505197.9A CN105178924A (en) | 2015-08-17 | 2015-08-17 | System for remotely controlling intelligent switch of electromagnetic valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510505197.9A CN105178924A (en) | 2015-08-17 | 2015-08-17 | System for remotely controlling intelligent switch of electromagnetic valve |
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Cited By (3)
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| CN105632312A (en) * | 2016-03-22 | 2016-06-01 | 上海大学 | Human respiration stimulation device |
| 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 |
| CN109854205A (en) * | 2019-01-21 | 2019-06-07 | 成都英派尔新能源科技有限公司 | Slow opening fast shutting natural gas wellhead integral control system and its control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632312A (en) * | 2016-03-22 | 2016-06-01 | 上海大学 | Human respiration stimulation device |
| 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 |
| CN109854205A (en) * | 2019-01-21 | 2019-06-07 | 成都英派尔新能源科技有限公司 | Slow opening fast shutting natural gas wellhead integral control system and its control method |
| CN109854205B (en) * | 2019-01-21 | 2021-06-01 | 成都英派尔新能源科技有限公司 | Slow-opening and fast-closing natural gas wellhead integrated control system and control method thereof |
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