CN105715231B - A kind of clump formula producing well heating unit in turn - Google Patents
A kind of clump formula producing well heating unit in turn Download PDFInfo
- Publication number
- CN105715231B CN105715231B CN201610275661.4A CN201610275661A CN105715231B CN 105715231 B CN105715231 B CN 105715231B CN 201610275661 A CN201610275661 A CN 201610275661A CN 105715231 B CN105715231 B CN 105715231B
- Authority
- CN
- China
- Prior art keywords
- turn
- programmable controller
- oil
- producing well
- electric
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 19
- 239000003129 oil well Substances 0.000 claims abstract description 18
- 238000005485 electric heating Methods 0.000 claims abstract description 14
- 238000005086 pumping Methods 0.000 claims abstract description 14
- 238000005070 sampling Methods 0.000 claims abstract description 10
- 238000005516 engineering process Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 9
- 239000010779 crude oil Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- 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
Landscapes
- 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 Resistance Heating (AREA)
Abstract
The invention discloses a kind of clump formula producing well heating unit in turn, including power circuit, programmable controller, electric heater of the multiple output terminals of the programmable controller respectively with the electric heating rod of more mouthfuls of oil wells is connected, and the input terminal of the programmable controller is connected with the output terminal of pumping unit load current sampling device；The programmable controller controls the electric heating rod of the more mouthfuls of oil wells to realize and heats in turn.Power circuit can be intermediate-frequency circuit, low-frequency channel or ultralow frequency circuit.The present invention can realize more mouthfuls of oil wells and heat in turn that electric heating rod works under ultralow frequency power supply, and thermal losses is small, and the thermal efficiency is high.
Description
Technical field
The present invention relates to heating oil well technical field.
Background technology
China's oil reserves are limited, and the crude oil for accounting for significant proportion is high for three（Gao Ning, high viscous and high-content wax）Crude oil, mesh
Preceding generally use sucker rod electric heater unit, the thermal energy produced using electrical heating, heats the crude oil in oil pipe, reduces former
Oil viscosity, prevents wax deposition in oil pipe, improves crude oil fluidity, achievees the purpose that recover the oil volume increase, synergy.Existing electrical heating oil pumping
Pole technology, is that the heating sucker rod of a well is heated by an electric heater unit, but for cluster well, is concentrated on each platform
Some mouthfuls of rod-pumped wells are distributed with, the increase of cost for oil production is bound to cause using one-to-one heating.
The content of the invention
The technical problem to be solved in the present invention is in view of the above shortcomings of the prior art, there is provided a kind of clump formula producing well is in turn
Heating unit, can realize more mouthfuls of oil wells and heat in turn.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of clump formula producing well heats dress in turn
Put, including power circuit, programmable controller, multiple output terminals of programmable controller electric heating with more mouthfuls of oil wells respectively
The electric heater connection of sucker rod, the input terminal of the programmable controller and the output terminal of pumping unit load current sampling device
Connection；The programmable controller controls the electric heating rod of the more mouthfuls of oil wells to realize and heats in turn.Power circuit can be
Intermediate-frequency circuit, low-frequency channel or ultralow frequency circuit.
Preferably, signal amplification electricity is additionally provided between pumping unit load current sampling device and the programmable controller
Road.
Preferably, power circuit includes sequentially connected Laplce's transformer, bridge rectifier, on-off circuit, institute
Laplce's transformer output symmetrical single phase poaer supply signal of two-way is stated, one positive one is exported after the bridge rectifier rectification
Negative two-way DC power signal, low frequency is carried out to the two-way DC power signal for the on-off circuit or ultralow frequency is positive and negative cuts
Change, obtain low frequency or ultralow frequency power supply signal.
Further, the ultralow frequency power supply signal is 0.1 to 0.01 hertz, and the electric heating rod is 0.1 to 0.01
Work under hertz ultralow frequency power supply.
Preferably, pumping unit load current sampling device gathers the current of electric of each pumping unit, the PLC technology
Device is according to the current of electric, with reference to current threshold and timing parameter, is calculated between heating time and the heating of every mouthful of oil well
Every the time.
Further, the current threshold is obtained according to the DP technology parameter of every mouth oil well.
Preferably, autostop warning device is further included, autostop is alarmed when breaking down for the extracting device of oil
And teletransmission is to production station or duty room.
It is using beneficial effect caused by above-mentioned technical proposal：The present invention can realize more mouthfuls of oil wells to be added in turn
Heat, electric heating rod work under ultralow frequency power supply, and thermal losses is small, and the thermal efficiency is high.
Brief description of the drawings
Fig. 1 is the structure diagram of one embodiment of the invention.
Embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, but the protection model of the present invention
Enclose be not limited to it is as described below.
As shown in Figure 1, be one embodiment of a kind of clump of formula producing well of the invention heating unit in turn, including power supply electricity
Road, programmable controller, the electricity of multiple output terminals of the programmable controller respectively with the electric heating rod of more mouthfuls of oil wells add
Hot device connection, the input terminal of the programmable controller are connected with the output terminal of pumping unit load current sampling device；It is described can
Programmable controller controls the electric heating rod of the more mouthfuls of oil wells to realize and heats in turn.
Signal amplification circuit is additionally provided between pumping unit load current sampling device and the programmable controller.
Power circuit includes sequentially connected Laplce's transformer, bridge rectifier, on-off circuit, the La Pula
This transformer exports the symmetrical single phase poaer supply signal of two-way, and it is straight that a positive negative two-way is exported after the bridge rectifier rectification
Galvanic electricity source signal, the on-off circuit carry out low frequency or the positive and negative switching of ultralow frequency to the two-way DC power signal, obtain low
Frequency or ultralow frequency power supply signal.
The ultralow frequency power supply signal is 0.1 to 0.01 hertz, and the electric heating rod is in 0.1 to 0.01 hertz of ultralow frequency
Work under power supply.
Pumping unit load current sampling device gathers the current of electric of each pumping unit, and the programmable controller is according to institute
Current of electric is stated, with reference to current threshold and timing parameter, the heating time and heat-up periods time of every mouthful of oil well is calculated.
The current threshold is obtained according to the DP technology parameter of every mouth oil well.
Autostop warning device is further included, autostop alarms simultaneously teletransmission extremely when breaking down for the extracting device of oil
Production station or duty room.
Heated in turn after adopting the above technical scheme, can be realized to more mouthfuls of oil wells, electric heating rod is in ultralow frequency power supply
Lower work, thermal losses is small, and the thermal efficiency is high.
Claims (5)
- A kind of 1. clump formula producing well heating unit in turn, it is characterised in that：Including power circuit, programmable controller, it is described can Electric heater of the multiple output terminals of programmable controller respectively with the electric heating rod of more mouthfuls of oil wells is connected, the PLC technology The input terminal of device is connected with the output terminal of pumping unit load current sampling device；The programmable controller controls the more mouthfuls of oil The electric heating rod of well is realized and heated in turn；The power circuit includes sequentially connected Laplce's transformer, bridge rectifier, on-off circuit, the La Pula This transformer exports the symmetrical single phase poaer supply signal of two-way, and it is straight that a positive negative two-way is exported after the bridge rectifier rectification Galvanic electricity source signal, the on-off circuit carry out low frequency or the positive and negative switching of ultralow frequency to the two-way DC power signal, obtain low Frequency or ultralow frequency power supply signal；The pumping unit load current sampling device gathers the current of electric of each pumping unit, and the programmable controller is according to institute Current of electric is stated, with reference to current threshold and timing parameter, the heating time and heat-up periods time of every mouthful of oil well is calculated.
- A kind of 2. clump formula producing well according to claim 1 heating unit in turn, it is characterised in that the pumping unit load Signal amplification circuit is additionally provided between current sampling device and the programmable controller.
- A kind of 3. clump formula producing well according to claim 1 heating unit in turn, it is characterised in that the ultralow frequency power supply Signal is 0.1 to 0.01 hertz, and the electric heating rod works under 0.1 to 0.01 hertz of ultralow frequency power supply.
- 4. a kind of clump formula producing well according to claim 1 heating unit in turn, it is characterised in that the current threshold is Obtained according to the DP technology parameter of every mouth oil well.
- 5. a kind of clump formula producing well according to claim 1 heating unit in turn, it is characterised in that further include autostop Warning device, autostop alarm and teletransmission is to production station or duty room when breaking down for the extracting device of oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610275661.4A CN105715231B (en) | 2016-04-29 | 2016-04-29 | A kind of clump formula producing well heating unit in turn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610275661.4A CN105715231B (en) | 2016-04-29 | 2016-04-29 | A kind of clump formula producing well heating unit in turn |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105715231A CN105715231A (en) | 2016-06-29 |
| CN105715231B true CN105715231B (en) | 2018-04-24 |
Family
ID=56161743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610275661.4A Active CN105715231B (en) | 2016-04-29 | 2016-04-29 | A kind of clump formula producing well heating unit in turn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105715231B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2589667Y (en) * | 2002-12-18 | 2003-12-03 | 沈阳工业大学 | Flow string frequency conversion heating arrangement |
| CN2780989Y (en) * | 2004-01-13 | 2006-05-17 | 本溪经济开发区博大电器设备有限公司 | Low-frequency oil well electric heating device |
| CN1782325A (en) * | 2004-12-02 | 2006-06-07 | 山东创新石油技术有限公司 | Method for low frequency large current heating raw oil in oil wel pipe string |
| WO2007117316A2 (en) * | 2005-12-06 | 2007-10-18 | Hill William L | Improved down hole oil and gas well heating system and method for down hole heating of oil and gas wells |
| CN203645586U (en) * | 2013-12-19 | 2014-06-11 | 天津正本自控系统有限公司 | Integration system of oil well heating and intelligent control of clustered-well oil pumping units |
| CN104635809A (en) * | 2013-11-13 | 2015-05-20 | 中国石油天然气集团公司 | Equipment for remotely controlling frequency modulation cyclic heating of heating sucker rods of cluster wells |
| CN205089310U (en) * | 2015-11-18 | 2016-03-16 | 天津泽智科技发展有限公司 | Ground energy-saving monitoring device for oil pumping well |
| CN205654321U (en) * | 2016-04-29 | 2016-10-19 | 沧州润涛石油设备有限公司 | Clump formula oil recovery well takes turns heating device |
-
2016
- 2016-04-29 CN CN201610275661.4A patent/CN105715231B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2589667Y (en) * | 2002-12-18 | 2003-12-03 | 沈阳工业大学 | Flow string frequency conversion heating arrangement |
| CN2780989Y (en) * | 2004-01-13 | 2006-05-17 | 本溪经济开发区博大电器设备有限公司 | Low-frequency oil well electric heating device |
| CN1782325A (en) * | 2004-12-02 | 2006-06-07 | 山东创新石油技术有限公司 | Method for low frequency large current heating raw oil in oil wel pipe string |
| WO2007117316A2 (en) * | 2005-12-06 | 2007-10-18 | Hill William L | Improved down hole oil and gas well heating system and method for down hole heating of oil and gas wells |
| CN104635809A (en) * | 2013-11-13 | 2015-05-20 | 中国石油天然气集团公司 | Equipment for remotely controlling frequency modulation cyclic heating of heating sucker rods of cluster wells |
| CN203645586U (en) * | 2013-12-19 | 2014-06-11 | 天津正本自控系统有限公司 | Integration system of oil well heating and intelligent control of clustered-well oil pumping units |
| CN205089310U (en) * | 2015-11-18 | 2016-03-16 | 天津泽智科技发展有限公司 | Ground energy-saving monitoring device for oil pumping well |
| CN205654321U (en) * | 2016-04-29 | 2016-10-19 | 沧州润涛石油设备有限公司 | Clump formula oil recovery well takes turns heating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105715231A (en) | 2016-06-29 |
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