CN204140038U - A kind of gaseous carbon dioxide injects displacement of reservoir oil equipment continuously - Google Patents
A kind of gaseous carbon dioxide injects displacement of reservoir oil equipment continuously Download PDFInfo
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- CN204140038U CN204140038U CN201420575532.3U CN201420575532U CN204140038U CN 204140038 U CN204140038 U CN 204140038U CN 201420575532 U CN201420575532 U CN 201420575532U CN 204140038 U CN204140038 U CN 204140038U
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Abstract
The utility model relates to gaseous carbon dioxide and injects displacement of reservoir oil apparatus and process field, injects displacement of reservoir oil equipment continuously specifically for a kind of gaseous carbon dioxide.Carbon dioxide injection pipeline sets gradually carbon dioxide buffer tank I, carbon dioxide helical-lobe compressor, drying tower, carbon dioxide buffer tank II, carbon dioxide reciprocating compressor, carbon dioxide buffer tank III, CO 2 high pressure injection pump.Pipeline between carbon dioxide buffer tank I and drying tower is arranged carbon dioxide helical-lobe compressor, the pipeline between carbon dioxide buffer tank II and carbon dioxide buffer tank III is arranged carbon dioxide reciprocating compressor.The utility model three grade carbon-dioxide surge tank can realize three grades of abundant bufferings to carbon dioxide, carbon dioxide helical-lobe compressor and carbon dioxide reciprocating compressor with the use of, realize fully compressing the two-stage of carbon dioxide, reach gaseous carbon dioxide further and inject the displacement of reservoir oil continuously, improve service life of equipment and operating efficiency, and can be cost-saving.
Description
Technical field
The utility model relates to gaseous carbon dioxide and injects displacement of reservoir oil apparatus and process field, injects displacement of reservoir oil equipment continuously specifically for a kind of gaseous carbon dioxide.
Background technology
After going into operation in time angry harmless treatment station, oil field, administration measure, high, the broad-minded advantage of isolated gaseous carbon dioxide purity, utilize the special nature of carbon dioxide to carry out research that oil field block injects technology of reservoir sweep continuously, improves oil recovery rate.Carbon dioxide drive improves recovery ratio and technology of burying and has become effective way economic development and environmental protection realizing doulbe-sides' victory, realize greenhouse gases recycling and improve rate of oil and gas recovery prospect can the phase.The research that expectation gaseous carbon dioxide injects technology of reservoir sweep continuously can bring certain economic benefit, reduces related work intensity, improves enterprise's output value, has certain social benefit.
If gaseous carbon dioxide injects technology of reservoir sweep success of the test continuously, it is for improving oil recovery factor, and not only recovery ratio is carried much higher, and the fixing injection of disposable input.In standing, isolated gaseous carbon dioxide can bury the generation preventing from aggravating greenhouse effect.Gaseous carbon dioxide injects technology of reservoir sweep continuously and is widely applied in oil field, at least can be oilfield stimulation 5000 tons of crude oil every year.
Gaseous carbon dioxide injects technology of reservoir sweep continuously, and not only to improve oil recovery factor high, and plant running safety and stability, gaseous carbon dioxide injects the transport of technology of reservoir sweep input ratio liquid carbon dioxide tank car continuously and injects saving fund 30%, very welcome in oil field, under development trend afterwards, its prospect is very optimistic.
Mixed phase can not be formed when carbon dioxide and in-place oil first contacts, but under the condition of suitable pressure, temperature and oil component, carbon dioxide can form miscible front.Supercritical fluid will extract heavier hydrocarbon from crude oil, and constantly makes the gas concentration of displacing front.So carbon dioxide and crude oil just become the liquid of mixed phase, form single liquid phase, thus can effectively by in-place oil displacement to producing well.Generally, because miscible displacement of reservoir crude oil more more than the extraction of immiscible flood energy, if the minimum miscibility pressure (MMP) of carbon dioxide and crude oil is greater than the fracture pressure of oil reservoir, for preventing formation fracture, the carbon dioxide drive means of non-mixed phase can only just be carried out.Non-mixed phase carbon dioxide drive mechanism, mainly reduces Crude viscosity and makes crude oil volume expansion, so the oil displacement efficiency of non-mixed phase is not as the miscible displacement of reservoir.
Utility model content
The purpose of this utility model is to provide a kind of gaseous carbon dioxide to inject displacement of reservoir oil equipment continuously, the problem such as solve in prior art the equipment operating efficiency that exists and application life is lower, cost is higher, can improve oil recovery rate further.
The technical solution of the utility model is:
A kind of gaseous carbon dioxide injects displacement of reservoir oil equipment continuously, and carbon dioxide injection pipeline sets gradually carbon dioxide buffer tank I, carbon dioxide helical-lobe compressor, drying tower, carbon dioxide buffer tank II, carbon dioxide reciprocating compressor, carbon dioxide buffer tank III, CO 2 high pressure injection pump.
Described gaseous carbon dioxide injects displacement of reservoir oil equipment continuously, pipeline between carbon dioxide buffer tank I and drying tower is arranged carbon dioxide helical-lobe compressor, the pipeline between carbon dioxide buffer tank II and carbon dioxide buffer tank III is arranged carbon dioxide reciprocating compressor.
Described gaseous carbon dioxide injects displacement of reservoir oil equipment continuously, the top of carbon dioxide buffer tank I connects carbon dioxide intake line, the carbon dioxide entrance that the carbon dioxide outlet arranged bottom carbon dioxide buffer tank I is arranged by pipeline and carbon dioxide screw compression motor spindle is connected, the carbon dioxide outlet that carbon dioxide screw compression motor spindle is arranged is connected with the carbon dioxide entrance arranged bottom drying tower by pipeline, the carbon dioxide entrance that the carbon dioxide outlet that drying tower top is arranged is arranged by pipeline and carbon dioxide buffer tank II top is connected, the carbon dioxide entrance that the carbon dioxide outlet arranged bottom carbon dioxide buffer tank II is arranged by pipeline and carbon dioxide reciprocating compression motor spindle is connected, the carbon dioxide entrance that the carbon dioxide outlet that carbon dioxide reciprocating compression motor spindle is arranged is arranged by pipeline and carbon dioxide buffer tank III top is connected, the carbon dioxide outlet arranged bottom carbon dioxide buffer tank III is connected with the carbon dioxide entrance arranged bottom CO 2 high pressure injection pump by pipeline, the carbon dioxide outlet that CO 2 high pressure injection pump side is arranged connects well head by pipeline.
Advantage of the present utility model and beneficial effect are:
1, the utility model develops the technical scheme that the applicable oil field time isolated gaseous carbon dioxide in angry harmless treatment station injects the displacement of reservoir oil continuously, reaches gaseous carbon dioxide and injects saving fund 30% is injected in displacement of reservoir oil object than the transport of liquid carbon dioxide tank car continuously.
2, the utility model injects technology of reservoir sweep continuously to gaseous carbon dioxide and carries out relevant evaluation, and gaseous carbon dioxide injects technology of reservoir sweep index continuously and reaches:
1) improve oil recovery factor 10 ~ 20%, extend 15 ~ 20 years oil well production life-spans;
2) saving fund 30% is injected than the transport of liquid carbon dioxide tank car.
3) single port High water cut increases production more than 20 tons by effect well.
3, the utility model injects technology of reservoir sweep continuously to gaseous carbon dioxide and carries out field pilot test, and select a field joint stations, test, final result can meet These parameters.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.In figure, 1, carbon dioxide buffer tank I; 2, carbon dioxide helical-lobe compressor; 3, drying tower; 4, carbon dioxide buffer tank II; 5, carbon dioxide reciprocating compressor; 6, carbon dioxide buffer tank III; 7, CO 2 high pressure injection pump.
Fig. 2 is process chart of the present utility model.
Detailed description of the invention
As shown in Figure 1, the utility model gaseous carbon dioxide injects displacement of reservoir oil equipment continuously, carbon dioxide injection pipeline sets gradually carbon dioxide buffer tank I 1, carbon dioxide helical-lobe compressor 2, drying tower 3, carbon dioxide buffer tank II 4, carbon dioxide reciprocating compressor 5, carbon dioxide buffer tank III 6, CO 2 high pressure injection pump 7, and concrete structure is as follows:
Pipeline between carbon dioxide buffer tank I 1 and drying tower 3 is arranged carbon dioxide helical-lobe compressor 2, the pipeline between carbon dioxide buffer tank II 4 and carbon dioxide buffer tank III 6 is arranged carbon dioxide reciprocating compressor 5.
The top of carbon dioxide buffer tank I 1 connects carbon dioxide intake line, the carbon dioxide outlet arranged bottom carbon dioxide buffer tank I 1 is connected with the carbon dioxide entrance arranged bottom carbon dioxide helical-lobe compressor 2 by pipeline, the carbon dioxide outlet arranged bottom carbon dioxide helical-lobe compressor 2 is connected with the carbon dioxide entrance arranged bottom drying tower 3 by pipeline, the carbon dioxide entrance that the carbon dioxide outlet that drying tower 3 top is arranged is arranged by pipeline and carbon dioxide buffer tank II 4 top is connected, the carbon dioxide outlet arranged bottom carbon dioxide buffer tank II 4 is connected with the carbon dioxide entrance arranged bottom carbon dioxide reciprocating compressor 5 by pipeline, the carbon dioxide entrance that the carbon dioxide outlet arranged bottom carbon dioxide reciprocating compressor 5 is arranged by pipeline and carbon dioxide buffer tank III 6 top is connected, the carbon dioxide outlet arranged bottom carbon dioxide buffer tank III 6 is connected with the carbon dioxide entrance arranged bottom CO 2 high pressure injection pump 7 by pipeline, the carbon dioxide outlet that CO 2 high pressure injection pump 7 side is arranged connects well head by pipeline.
The utility model can form specific carbon dioxide injection structure, the carbon dioxide entrance of three grade carbon-dioxide surge tanks (carbon dioxide buffer tank I 1, carbon dioxide buffer tank II 4, carbon dioxide buffer tank III 6) is all arranged at top, carbon dioxide outlet and is all arranged at bottom, can realize three grades of abundant bufferings to carbon dioxide; The carbon dioxide entrance of carbon dioxide helical-lobe compressor 2 and carbon dioxide reciprocating compressor, carbon dioxide outlet are all arranged at bottom, and by carbon dioxide helical-lobe compressor 2 and carbon dioxide reciprocating compressor with the use of, realize fully compressing the two-stage of carbon dioxide, reach gaseous carbon dioxide further and inject the displacement of reservoir oil continuously, improve service life of equipment and operating efficiency, and can be cost-saving.
As shown in Figure 2, to inject the technological process of the displacement of reservoir oil continuously as follows for the utility model gaseous carbon dioxide: CO
2→ CO
2surge tank → CO
2helical-lobe compressor → drying tower → CO
2surge tank → CO
2reciprocating compressor → CO
2surge tank → CO
2high head injection pump.
1, gaseous carbon dioxide injects the determination of the basic ideas of technology of reservoir sweep scheme continuously, for the research of the carbon dioxide injection displacement of reservoir oil on the impact of raising oil recovery factor.
2, according to carbon dioxide drive feature to implementing the selection of displacement of reservoir oil block and choosing and installation of corresponding production equipment.
3, laboratory test
Carry out gaseous carbon dioxide to inject technology of reservoir sweep scheme reverse-phase emulsifier performance continuously and comment and to transport injection with original liquid carbon dioxide tank car and carry out test and compare, optimization is applicable to geologic structure that gaseous carbon dioxide injects and relevant injection rate.
4, field trial
Select suitable oil field block, carry out industrialized gaseous carbon dioxide and inject oil displacement test continuously and assess the implementation result that gaseous carbon dioxide injects the displacement of reservoir oil continuously.
Claims (3)
1. a gaseous carbon dioxide injects displacement of reservoir oil equipment continuously, it is characterized in that, carbon dioxide injection pipeline sets gradually carbon dioxide buffer tank I, carbon dioxide helical-lobe compressor, drying tower, carbon dioxide buffer tank II, carbon dioxide reciprocating compressor, carbon dioxide buffer tank III, CO 2 high pressure injection pump.
2. inject displacement of reservoir oil equipment continuously according to gaseous carbon dioxide according to claim 1, it is characterized in that, pipeline between carbon dioxide buffer tank I and drying tower is arranged carbon dioxide helical-lobe compressor, the pipeline between carbon dioxide buffer tank II and carbon dioxide buffer tank III is arranged carbon dioxide reciprocating compressor.
3. inject displacement of reservoir oil equipment continuously according to gaseous carbon dioxide according to claim 1, it is characterized in that, the top of carbon dioxide buffer tank I connects carbon dioxide intake line, the carbon dioxide entrance that the carbon dioxide outlet arranged bottom carbon dioxide buffer tank I is arranged by pipeline and carbon dioxide screw compression motor spindle is connected, the carbon dioxide outlet that carbon dioxide screw compression motor spindle is arranged is connected with the carbon dioxide entrance arranged bottom drying tower by pipeline, the carbon dioxide entrance that the carbon dioxide outlet that drying tower top is arranged is arranged by pipeline and carbon dioxide buffer tank II top is connected, the carbon dioxide entrance that the carbon dioxide outlet arranged bottom carbon dioxide buffer tank II is arranged by pipeline and carbon dioxide reciprocating compression motor spindle is connected, the carbon dioxide entrance that the carbon dioxide outlet that carbon dioxide reciprocating compression motor spindle is arranged is arranged by pipeline and carbon dioxide buffer tank III top is connected, the carbon dioxide outlet arranged bottom carbon dioxide buffer tank III is connected with the carbon dioxide entrance arranged bottom CO 2 high pressure injection pump by pipeline, the carbon dioxide outlet that CO 2 high pressure injection pump side is arranged connects well head by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575532.3U CN204140038U (en) | 2014-09-30 | 2014-09-30 | A kind of gaseous carbon dioxide injects displacement of reservoir oil equipment continuously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575532.3U CN204140038U (en) | 2014-09-30 | 2014-09-30 | A kind of gaseous carbon dioxide injects displacement of reservoir oil equipment continuously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204140038U true CN204140038U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420575532.3U Active CN204140038U (en) | 2014-09-30 | 2014-09-30 | A kind of gaseous carbon dioxide injects displacement of reservoir oil equipment continuously |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297613A (en) * | 2016-04-15 | 2017-10-27 | 中国石油天然气股份有限公司 | Installation tool and compressor |
| CN107462693A (en) * | 2017-08-16 | 2017-12-12 | 北京拓普莱博油气田开发技术研究院 | A kind of high-precision CO2Quantitatively add instrument and its quantitative adding method |
| CN113236201A (en) * | 2021-05-24 | 2021-08-10 | 中国石油化工集团有限公司 | Dry ice sublimation vapor-phase pressure injection process |
| CN113356808A (en) * | 2021-05-24 | 2021-09-07 | 中国石油化工集团有限公司 | Gas-phase direct injection process for wellhead of carbon dioxide gas well |
| CN113404472A (en) * | 2021-07-13 | 2021-09-17 | 杨健宇 | Carbon dioxide gas conveying device for carbon dioxide flooding |
| CN113586938A (en) * | 2021-07-20 | 2021-11-02 | 柏宗宪 | Gas supercharging device for carbon dioxide oil displacement |
| CN113803632A (en) * | 2021-11-19 | 2021-12-17 | 德仕能源科技集团股份有限公司 | Gas storage device for carbon dioxide flooding |
| CN107297613B (en) * | 2016-04-15 | 2024-04-30 | 中国石油天然气股份有限公司 | Mounting tool and compressor |
-
2014
- 2014-09-30 CN CN201420575532.3U patent/CN204140038U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297613A (en) * | 2016-04-15 | 2017-10-27 | 中国石油天然气股份有限公司 | Installation tool and compressor |
| CN107297613B (en) * | 2016-04-15 | 2024-04-30 | 中国石油天然气股份有限公司 | Mounting tool and compressor |
| CN107462693A (en) * | 2017-08-16 | 2017-12-12 | 北京拓普莱博油气田开发技术研究院 | A kind of high-precision CO2Quantitatively add instrument and its quantitative adding method |
| CN107462693B (en) * | 2017-08-16 | 2023-06-30 | 北京拓普莱博油气田开发技术研究院 | High-precision CO 2 Quantitative adding instrument and quantitative adding method thereof |
| CN113236201A (en) * | 2021-05-24 | 2021-08-10 | 中国石油化工集团有限公司 | Dry ice sublimation vapor-phase pressure injection process |
| CN113356808A (en) * | 2021-05-24 | 2021-09-07 | 中国石油化工集团有限公司 | Gas-phase direct injection process for wellhead of carbon dioxide gas well |
| CN113404472A (en) * | 2021-07-13 | 2021-09-17 | 杨健宇 | Carbon dioxide gas conveying device for carbon dioxide flooding |
| CN113586938A (en) * | 2021-07-20 | 2021-11-02 | 柏宗宪 | Gas supercharging device for carbon dioxide oil displacement |
| CN113803632A (en) * | 2021-11-19 | 2021-12-17 | 德仕能源科技集团股份有限公司 | Gas storage device for carbon dioxide flooding |
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| GR01 | Patent grant | ||
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Address after: 124013 No. 10 middle road, Xinglongtai District, Liaoning, Panjin Patentee after: Panjin Daoboer Environmental Technology Co., Ltd Address before: 124013 Industrial Development Zone, Xinglongtai District, Liaoning, Panjin Patentee before: Panjin Daobo'er Petroleum New Technology Development Co., Ltd. |