CN111980625A - Intelligent wellhead heating switch pressure regulating system - Google Patents
Intelligent wellhead heating switch pressure regulating system Download PDFInfo
- Publication number
- CN111980625A CN111980625A CN202010948813.9A CN202010948813A CN111980625A CN 111980625 A CN111980625 A CN 111980625A CN 202010948813 A CN202010948813 A CN 202010948813A CN 111980625 A CN111980625 A CN 111980625A
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- needle valve
- transmitter
- controller
- pressure
- heating switch
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 37
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 18
- 238000010248 power generation Methods 0.000 claims description 14
- 239000003345 natural gas Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 description 13
- 230000008014 freezing Effects 0.000 description 5
- 238000007710 freezing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Classifications
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- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
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- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/16—Control means therefor being outside the borehole
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- 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
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/04—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones using electrical heaters
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses an intelligent wellhead heating switch pressure regulating system which comprises a power supply system, a control room control platform and a needle valve, wherein the power supply system is respectively and electrically connected with the control room control platform, the needle valve and 4G communication and RTU remote terminal equipment, the control room control platform is communicated with the needle valve through the 4G communication and RTU remote terminal equipment, a needle valve controller, an electromagnetic heating controller and an electromagnetic heater are fixedly installed on the needle valve, the needle valve controller is respectively and electrically connected with a sleeve pressure transmitter, an oil pressure transmitter, a flow transmitter and a pipe pressure transmitter, and the electromagnetic heating controller is respectively and electrically connected with a temperature transmitter and the electromagnetic heater. The invention has scientific and reasonable structure, convenient and reliable use and is suitable for popularization and use.
Description
Technical Field
The invention relates to a gas well wellhead device, in particular to an intelligent wellhead heating switch pressure regulating system.
Background
With the increase of the production age of the gas well, intermittent wells are more and more, the intermittent well spacing production is a necessary stage in the middle and later life of the gas well, and spacing means that: along with gas production of a gas well, the underground pressure is gradually reduced, after the pressure is reduced to a certain degree, the well needs to be closed, the well needs to be opened again after the underground pressure is increased to a certain value, and the cyclic production is called intermittent production. The intermittent periods vary from one day to one week. The intermittent production lasts for 8 years, and the accumulated yield accounts for 20%. Taking an oil field as an example, intermittent wells account for 25.8% of the total number of gas wells at present, and the work of opening/closing the wells is very large at a speed of about 5% per year. At present, the manual opening and closing of a wellhead valve is completely adopted in gas production, and due to the fact that the area of a gas field is large, gas wells are remote and dispersed, and the influences of factors such as environment, weather and roads are caused, the production efficiency is seriously influenced by the manual opening and closing of the wellhead valve.
In addition, in northern areas, a freezing and plugging phenomenon exists in gas wells, natural gas is hydrated under a low-temperature and high-pressure environment to generate hydrates, gas transmission channels are plugged, the freezing and plugging phenomenon is called, and particularly, wellhead valves are easy to freeze and plug. In order to solve the problem of freezing blockage, a throttler needs to be installed underground to reduce the pressure of natural gas in a shaft, in order to adjust the productivity of a gas well, the underground throttler needs to be frequently replaced, the replacement of the underground throttler belongs to minor repair operation, the process is complex, the cost is high, and the normal production of the gas well is influenced.
Disclosure of Invention
The invention aims to solve the technical problems that an intelligent wellhead heating switch pressure regulating system is provided, and the problems that the production efficiency is seriously influenced by manually opening and closing a wellhead valve due to large gas field area, remote and dispersed gas wells, the influence of factors such as environment, weather and roads and the like because the wellhead valve is manually opened and closed completely in the gas production of the existing gas wells are solved.
In order to solve the technical problems, the invention provides the following technical scheme: intelligence well head heating switch pressure regulating system, control platform and needle valve including power supply system, control room, power supply system electricity respectively links control room control platform, needle valve and 4G communication and RTU remote terminal equipment, the control room is controlled the platform and is passed through 4G communication and RTU remote terminal equipment and needle valve intercommunication, fixed mounting has needle valve controller, electromagnetic heating controller and electromagnetic heater on the needle valve, needle valve controller electricity respectively links cover pressure transmitter, oil pressure transmitter, flow transmitter and pipe pressure transmitter, electromagnetic heating controller electricity respectively links temperature transmitter and electromagnetic heater.
On the basis of the scheme, the power supply system is used for wind power generation and solar power generation.
On the basis of the scheme, the temperature transmitter is fixedly installed in the natural gas pipeline.
On the basis of the scheme, the casing pressure transmitter, the oil pressure transmitter, the flow transmitter and the pipe pressure transmitter are fixedly installed in the wall of the gas well respectively.
Compared with the prior art, the invention has the beneficial effects that: intelligence well head heating switch pressure regulating system adopts new mode, adopts the intelligent well head heating switch pressure regulating of distributed centralized control to the well head valve of gas well, has following advantage:
the method comprises the following steps that 1, a needle valve is used as an executing component for adjusting pressure and opening and closing a well, an underground restrictor and a ground switch valve are replaced, the purposes of adjusting the yield of a gas well and opening and closing the well are achieved, the needle valve is installed on the ground, the underground restrictor is omitted, the lifting operation of the underground restrictor is omitted, the cost is saved, and meanwhile, the normal production time is saved.
2, cancelled the downhole choke ware, avoided the pressure in the pit shaft to improve, can appear freezing stifled phenomenon in well head department, stopped to produce and frozen stifled two factors: high pressure and low temperature; the electromagnetic heater is used for heating a natural gas pipeline at a wellhead, and the problem of freezing and blocking is solved by a method of increasing the temperature of natural gas.
3, controlling the opening of a needle valve by using a needle valve controller to achieve the purpose of intelligent control, wherein the needle valve controller acquires parameters such as pipe pressure, casing pressure, oil pressure, flow and the like of a gas well through a casing pressure transmitter, an oil pressure transmitter, a flow transmitter and a pipe pressure transmitter, and controls the needle valve to dynamically adjust outlet pressure by determining the outlet pressure; the yield of the gas well can be conveniently adjusted, and the well can be opened and closed instantly.
4, because the gas field area is large, gas wells are remote and dispersed, and the influence of factors such as environment, weather, roads and the like is great, a distributed centralized control system is adopted to solve the problem; the 4G communication and RTU remote terminal equipment distributed in each well site are in real-time communication with the control room control platform, the control room control platform collects all data for analysis and calculation, and the control room control platform sends technical parameters and execution commands to each terminal.
5. As most of gas well sites do not have power supplies, the power is supplied in a mode of combining wind power generation and solar power generation, so that the purpose of environment-friendly power supply is achieved; the needle valve is designed with ultra-low power consumption, and the electromagnetic heater has high heat efficiency, so that the general assembly machine adopts small power generation equipment to meet the requirements, and the needle valve saves energy and electricity.
Drawings
FIG. 1 is a schematic structural diagram of an intelligent wellhead heating switch pressure regulating system of the present invention.
The reference numbers in the figures are: the system comprises a power supply system 1, a control room 2, a 3-4G communication and RTU remote terminal device, a 4-needle valve, a 5-needle valve controller, a 6-electromagnetic heating controller, a 7-electromagnetic heater, an 8-temperature transmitter, a 9-casing pressure transmitter, a 10-oil pressure transmitter, a 11-flow transmitter and a 12-pipe pressure transmitter.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1, the intelligent wellhead heating switch pressure regulating system comprises a power supply system 1, a control room control platform 2 and a needle valve 4, wherein the power supply system 1 is respectively and electrically connected with the control room control platform 2, the needle valve 4 and a 4G communication and RTU remote terminal device 3, the control room control platform 2 is communicated with the needle valve 4 through the 4G communication and the RTU remote terminal device 3, a needle valve controller 5, an electromagnetic heating controller 6 and an electromagnetic heater 7 are fixedly installed on the needle valve 4, and the needle valve controller 5 and the electromagnetic heating controller 6 are products of the existing mature technology and have the types: the SC200 universal controller, the needle valve controller 5 is respectively and electrically connected with a sleeve pressure transmitter 9, an oil pressure transmitter 10, a flow transmitter 11 and a pipe pressure transmitter 12, the electromagnetic heating controller 6 is respectively and electrically connected with a temperature transmitter 8 and an electromagnetic heater 7, the electromagnetic heater 7 is a new heating technology which is a technology developed on the basis of Faraday's law of electromagnetic induction, is an application form of the Faraday's law of electromagnetic induction, and is widely applied to the industrial and civil fields.
The power supply system 1 is used for wind power generation and solar power generation, and the problems that most of gas well sites do not have power supplies and are inconvenient to supply power can be solved by adopting the wind power generation and the solar power generation; the temperature transmitter 8 is fixedly arranged in the natural gas pipeline, and the temperature transmitter 8 is a product of the existing mature technology and is convenient for detecting the temperature in the natural gas pipeline at any time; casing pressure transmitter 9, oil pressure transmitter 10, flow transmitter 11 and pipe pressure transmitter 12 are fixed mounting respectively in the gas well wall of a well, and casing pressure transmitter 9, oil pressure transmitter 10, flow transmitter 11 and pipe pressure transmitter 12 are the product of current mature technique, are convenient for detect casing pressure, oil pressure, flow and pipe pressure in the gas well at any time.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
The principle and the advantages of the invention are as follows: the intelligent wellhead heating switch pressure regulating system can manage gas wells in a distributed centralized control mode, when the intelligent wellhead heating switch pressure regulating system is used, the needle valves 4 can be fixedly installed on the wellheads of a plurality of gas wells, then centralized control is carried out by using the control room control platform 2 through 4G communication and RTU remote terminal equipment 3, the problems that the gas field area is large, the gas wells are remote and dispersed, and the influence of factors such as environment, weather, roads and the like is great can be solved, power is supplied to all electrical components on the control room operation platform 2, the 4G communication and RTU remote terminal equipment 3, the needle valves 4 and the needle valves 4 through the power supply system 1, and the power supply system 1 avoids the problems that most of well fields have no power supply and are inconvenient to supply power through an energy-saving and environment-friendly wind power generation and solar power generation mode; the needle valve 4 is designed with ultra-low power consumption, the electromagnetic heater 7 has high thermal efficiency, and the general assembly machine adopts small power generation equipment to meet the requirements, so that the energy and the electricity are saved; the casing pressure transmitter 9, the oil pressure transmitter 10, the flow transmitter 11 and the pipe pressure transmitter 12 are respectively and fixedly installed in the wall of a well of a gas well, can collect parameters such as pipe pressure, casing pressure, oil pressure and flow of the gas well, and then transmit data to the needle valve controller 5, the needle valve controller 5 dynamically adjusts outlet pressure by determining the outlet pressure, so that the yield of the gas well can be conveniently adjusted, and the well can be opened and closed instantly; the temperature transmitter 8 can detect the temperature in the natural gas pipeline, the temperature transmitter 8 can transmit the acquired temperature value to the electromagnetic heating controller 6, the electromagnetic heating controller 6 can control the electromagnetic heater 7 to heat, the problem that the needle valve 4 is frozen and blocked can be solved, the needle valve 4 is used as an execution component for adjusting pressure and opening and closing a well to replace an underground throttler and a ground switch valve, the purposes of adjusting the yield of a gas well and opening and closing the well are achieved, the needle valve 4 is installed on the ground, the underground throttler is cancelled, the lifting operation of the underground throttler is cancelled, the cost is saved, and meanwhile, the normal production time is saved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. Intelligence well head heating switch pressure regulating system controls platform (2) and needle valve (4), its characterized in that including power supply system (1), control room: power supply system (1) electricity respectively links control room control platform (2), needle valve (4) and 4G communication and RTU remote terminal equipment (3), control room control platform (2) are through 4G communication and RTU remote terminal equipment (3) and needle valve (4) intercommunication, fixed mounting has needle valve controller (5), electromagnetic heating controller (6) and electromagnetic heater (7) on needle valve (4), needle valve controller (5) electricity respectively links jacket pressure changer (9), oil pressure changer (10), flow transmitter (11) and pipe pressure changer (12), electromagnetic heating controller (6) electricity respectively links temperature changer (8) and electromagnetic heater (7).
2. An intelligent wellhead heating switch voltage regulation system according to claim 1, characterized in that the power supply system (1) is wind power generation and solar power generation.
3. The intelligent wellhead heating switch pressure regulating system according to claim 1, wherein the temperature transmitter (8) is fixedly mounted in a natural gas pipeline.
4. The intelligent wellhead heating switch pressure regulating system according to claim 1, wherein the casing pressure transmitter (9), the oil pressure transmitter (10), the flow transmitter (11) and the pipe pressure transmitter (12) are respectively and fixedly installed in a gas well wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948813.9A CN111980625A (en) | 2020-09-10 | 2020-09-10 | Intelligent wellhead heating switch pressure regulating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010948813.9A CN111980625A (en) | 2020-09-10 | 2020-09-10 | Intelligent wellhead heating switch pressure regulating system |
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| Publication Number | Publication Date |
|---|---|
| CN111980625A true CN111980625A (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010948813.9A Pending CN111980625A (en) | 2020-09-10 | 2020-09-10 | Intelligent wellhead heating switch pressure regulating system |
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| Country | Link |
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| CN (1) | CN111980625A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943163A (en) * | 2021-01-12 | 2021-06-11 | 中国石油天然气股份有限公司 | Electromagnetic type middle-low pressure gas collection gas well remote control well switching device, system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6213201B1 (en) * | 1998-04-13 | 2001-04-10 | Alan I. Renkis | Tight sands gas well production enhancement system |
| CN204186368U (en) * | 2014-10-01 | 2015-03-04 | 中国石油化工股份有限公司 | The automatic temperature-controlled gas combustion apparatus of heavy oil wells heating furnace |
| CN204457600U (en) * | 2014-11-17 | 2015-07-08 | 中国石油天然气股份有限公司 | A kind of individual well automatic control switch well system |
| CN106869856A (en) * | 2017-03-06 | 2017-06-20 | 自贡市英派尔阀门制造有限公司 | Natural gas well head remote intelligent switch control device |
| CN209115082U (en) * | 2018-10-09 | 2019-07-16 | 克拉玛依市富城天然气有限责任公司 | Electromagnetic heating throttling set |
-
2020
- 2020-09-10 CN CN202010948813.9A patent/CN111980625A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6213201B1 (en) * | 1998-04-13 | 2001-04-10 | Alan I. Renkis | Tight sands gas well production enhancement system |
| CN204186368U (en) * | 2014-10-01 | 2015-03-04 | 中国石油化工股份有限公司 | The automatic temperature-controlled gas combustion apparatus of heavy oil wells heating furnace |
| CN204457600U (en) * | 2014-11-17 | 2015-07-08 | 中国石油天然气股份有限公司 | A kind of individual well automatic control switch well system |
| CN106869856A (en) * | 2017-03-06 | 2017-06-20 | 自贡市英派尔阀门制造有限公司 | Natural gas well head remote intelligent switch control device |
| CN209115082U (en) * | 2018-10-09 | 2019-07-16 | 克拉玛依市富城天然气有限责任公司 | Electromagnetic heating throttling set |
Non-Patent Citations (1)
| Title |
|---|
| 靳福广等: "新型气井智能针阀的研究与应用", 《化工自动化及仪表》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943163A (en) * | 2021-01-12 | 2021-06-11 | 中国石油天然气股份有限公司 | Electromagnetic type middle-low pressure gas collection gas well remote control well switching device, system and method |
| CN112943163B (en) * | 2021-01-12 | 2023-04-07 | 中国石油天然气股份有限公司 | Electromagnetic type middle-low pressure gas collection gas well remote control well switching device, system and method |
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Application publication date: 20201124 |