CN205640862U - Oil field steam injection boiler steam quality hoisting device - Google Patents
Oil field steam injection boiler steam quality hoisting device Download PDFInfo
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- CN205640862U CN205640862U CN201620478121.1U CN201620478121U CN205640862U CN 205640862 U CN205640862 U CN 205640862U CN 201620478121 U CN201620478121 U CN 201620478121U CN 205640862 U CN205640862 U CN 205640862U
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Abstract
The utility model provides an oil field steam injection boiler steam quality hoisting device. Main solve steam quality that current oil field steam injection boiler provided and not enough and make the not enough of viscous oil recovery inefficiency. Its characterized in that: steam quality lift line (2) are including boiler steam outlet (1), high pressure catch water (4), sample separator (5), boiler steam gets into high -pressure catch water (4) by boiler steam outlet (1) behind high pressure isolating valve A (3), high mass dryness fraction steam through high -pressure catch water (4) after -separating gets into sample separator (5), pass through pressure transmitter A (6) more in proper order, check valve (7), high pressure isolating valve B (8) back gets into the steam injection tubular net through steam injection tubular net interface (30). This oil field steam injection boiler steam quality hoisting device can improve steam quality and reach more than 95% to viscous oil recovery efficiency has been improved.
Description
Technical field
This utility model relates to oilfield, especially a kind of uphole steam generator steam quality lifting device.
Background technology
China's thickened oil recovery is based on heating exploitation at present, the wet saturated steam of the 50%-80% mass dryness fraction that thermal source provides essentially from uphole steam generator, and driving softening thick oil underground well oil reservoir to carry out heating exploitation, the injection boiler with 80% mass dryness fraction as design parameter occupies majority at present.But under the thermodynamic-driven of 50%-80% mass dryness fraction steam, production efficiency is gradually lowered for a long time, can not meet the working condition requirement of existing viscous crude heating exploitation.Improve one of Dryness Fraction of Steam-injection Boiler main path being an up thickened oil recovery efficiency, therefore, a kind of uphole steam generator steam quality lifting device, be used for providing high-quality steam.
Summary of the invention
Steam quality in order to overcome existing uphole steam generator to provide is not enough and makes the deficiency of thickened oil recovery inefficiency, this utility model provides a kind of uphole steam generator steam quality lifting device, this uphole steam generator steam quality lifting device can improve steam quality and reach more than 95%, thus improves thickened oil recovery efficiency.
The technical solution of the utility model is: a kind of uphole steam generator steam quality lifting device, including steam quality lift line, Halite water processes pipeline, steam quality sampling line, cold water pressure increasing heat-exchanging pipeline, it is characterized in that: described steam quality lift line includes that Boiler Steam exports, high-pressure stream-water separator, sampling separator, Boiler Steam is entered high-pressure stream-water separator by Boiler Steam outlet after high-pressure stop valve A, high-quality steam after high-pressure stream-water separator separates enters sampling separator, sequentially pass through pressure transmitter A again, check valve, steam injection pipe network is entered by steam injection pipe network interface after high-pressure stop valve B；
Entered Halite water by the isolated Halite water of high-pressure stream-water separator through high-pressure stop valve C and process pipeline, cold water heat exchange in water-to-water heat exchanger tube side with water-to-water heat exchanger shell side, blending pipe is entered again after electrodynamic type air relief valve reduces pressure, liquid after blending pipe blends enters well-flushing pipe network through well-flushing pipe network interface, or enters cold water recovery pipe network through subcooled water recovery tube network interface；
Chilled water system cold water out enters cold water pressure increasing heat-exchanging pipeline, enters water heat exchange shell side after piping pump supercharging, enters blending pipe, then enter back into follow-up flow process after carrying out heat exchange with the High Temperature High Pressure Halite water in water-to-water heat exchanger tube side；
It is also connected with steam quality sampling line on sampling separator, through over sampling separator sampling water by high-pressure stop valve D enter sampling filter, sampling water after filtration enters sampling cooler, with inflow sampling groove after the cold water heat exchange of cold water interface in sampling cooler.
This utility model has the advantages that owing to taking such scheme, the steam of 80% mass dryness fraction that injection boiler is produced by three fractionation techniques of this uphole steam generator steam quality lifting device employing high-pressure stream-water separator separates, the wet saturated steam or the dry saturated steam that produce more than 95% mass dryness fraction inject steam injection pipe network, more than ensure that the separation efficiency of saturated moist steam is up to 95% mass dryness fraction, meet need of viscous oil recovery.Two is that Halite water blends with cold water after decrease temperature and pressure, is achieved the recycling of brackish water by the discharge of Liquid level brackish water and well-flushing reuse technology.Three is to be protected the pressure after guaranteeing brackish water and cold water blending to meet cold water to reclaim and the pressure requirements of well-flushing pipeline by the supercharging of cold water pipes pump.On the whole, this device had both solved the low problem of steam quality of former boiler by a kind of uphole steam generator steam quality lifting device, greatly reduced again the investment using high-dryness steam injection boiler band.
Accompanying drawing explanation
Fig. 1 is flow chart of the present utility model.
null1-Boiler Steam outlet in figure，2-steam quality lift line，3-high-pressure stop valve A，4-high-pressure stream-water separator，5-samples separator，6-pressure transmitter A，7-check valve，8-high-pressure stop valve B，9-pressure transmitter B，10-Halite water processes pipeline，11-high-pressure stop valve C，12-liquidometer，13-high-pressure stop valve D，14-blowoff valve A，15-steam quality sampling line，16-sampling filter，17-sampling cooler，18-sampling groove，19-cold water interface，20-cold water pressure increasing heat-exchanging pipeline，21-pipeline pump，22-chilled water system，23-water-to-water heat exchanger tube side，24-water-to-water heat exchanger，25-water-to-water heat exchanger shell side，26-discharges flash vessel，27-blending pipe，28-cold water recovery tube network interface，29-well-flushing pipe network interface，30-steam injection pipe network interface，31-high-pressure stop valve E，32-electrodynamic type air relief valve，33-effusion meter.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings:
As shown in Figure 1, a kind of uphole steam generator steam quality lifting device, including high-pressure stream-water separator 4, sampling separator 5, water-to-water heat exchanger 24, blending pipe 27, pipeline pump 21 etc., these parts composition steam quality lift line 2, Halite water process pipeline 10, steam quality sampling line 15, cold water pressure increasing heat-exchanging pipeline 20 and liquid level coordinated control system.
Described steam quality lift line 2 includes Boiler Steam outlet 1, high-pressure stream-water separator 4, sampling separator 5, pressure transmitter A6 etc., the wet saturated steam of 80% mass dryness fraction that injection boiler produces is entered high-pressure stream-water separator 4 by Boiler Steam outlet 1 through high-pressure stop valve A3, produce wet saturated steam or the dry saturated steam of more than 95% mass dryness fraction through high-pressure stream-water separator 4, then enter steam injection pipe network by steam injection pipe network interface 30 after sequentially passing through pressure transmitter A6, check valve 7, high-pressure stop valve B8 after over sampling separator 5.Switching over also by high-pressure stop valve A3, the high-pressure stop valve B8 on high-pressure stop valve E31 and this pipeline when not putting into operation high-quality steam or dry saturated steam, put into operation 80% mass dryness fraction wet saturated steam.Pressure and temperature teletransmission and the pressure transmitter A6 shown on the spot, gauge valve, Pressure gauge, thermocouple, thermometer etc. is also set up on whole pipeline.On described high-pressure stream-water separator 4, Pressure gauge, gauge valve, relief valve are set, the high-pressure stop valve of pressure signal transmission, equalizing reservoir, pressure transmitter are set, and the liquidometer of level monitoring, blowoff valve are set.
The High Temperature High Pressure Halite water produced by high-pressure stream-water separator 4 passes into water-to-water heat exchanger tube side 23 through high-pressure stop valve C11, form Halite water and process pipeline 10, and carry out heat exchange with the low pressure cold water in water-to-water heat exchanger shell side 25, through high-pressure stop valve 31 after heat exchange, and reduce pressure through electrodynamic type air relief valve 32, again through high-pressure stop valve, relief valve, effusion meters etc. enter blending pipe 27, after blending with the cold water of water-to-water heat exchanger shell side 25, enter cold water by cold water recovery tube network interface 28 and reclaim pipe network, or enter well-flushing pipe network through well-flushing pipe network interface 29.Connect discharge also by high-pressure stop valve on pipeline after electrodynamic type air relief valve 32 and protect container 26, it is simple to the instantaneous discharge of Halite water when the high-quality steam that starts to put into operation runs, so that the liquid level in steam-water separator is down to below balance liquid level.
Chilled water system 22 cold water out enters cold water pressure increasing heat-exchanging pipeline 20, pipeline pump 21 supercharging is entered through check valve, subsequently into water heat exchange shell side 25, heat exchange is carried out with the High Temperature High Pressure Halite water in water-to-water heat exchanger tube side 23, blending pipe 27 is entered after heat exchange, after blending with the Halite water of water-to-water heat exchanger tube side 23, reclaim pipe network 28 by cold water and enter cold water recovery pipe network, or enter well-flushing pipe network by well-flushing pipe network interface 29.On whole pipeline, each section arranges Pressure gauge that pressure and temperature shows on the spot, gauge valve, thermometer.
Sampling separator 5 is also connected with steam quality sampling line 15, sampled separator 5 is separated the sampling water produced and is filtered by high-pressure stop valve D13 entrance sampling filter 16, sampling water after filtration enters sampling cooler 17, sampling groove 18 is flowed into after cold water heat exchange, it is simple to manual assays steam quality in sampling cooler 17.Wherein sampling cooler 17 is provided with cold water inlet 19.
This uphole steam generator steam quality lifting device also includes liquid level coordinated control system and steam flow measurement system.Liquid level coordinated control system carrys out the aperture of control piper downstream electrical dynamic formula air relief valve 32 by the two position of high-pressure stream-water separator 4, it is achieved the control of Halite water discharge.Steam flow measurement system calculates, by discharge capacity teletransmission to the control system of effusion meter 33 metering separation water, the steam flow that high-pressure stream-water separator 4 exports.And by data remote, data transfer is monitored in real time to boiler main switch board, chain warning, it is ensured that the safe operation of whole device.
Claims (1)
1. a uphole steam generator steam quality lifting device, including steam quality lift line (2), Halite water processes pipeline (10), steam quality sampling line (15), cold water pressure increasing heat-exchanging pipeline (20), it is characterized in that: described steam quality lift line (2) includes that Boiler Steam exports (1), high-pressure stream-water separator (4), sampling separator (5), Boiler Steam by Boiler Steam outlet (1) through high-pressure stop valve A(3) after enter high-pressure stream-water separator (4), high-quality steam after high-pressure stream-water separator (4) separates enters sampling separator (5), sequentially pass through pressure transmitter A(6 again), check valve (7), high-pressure stop valve B(8) enter steam injection pipe network by steam injection pipe network interface (30) afterwards；
By high-pressure stream-water separator (4) isolated Halite water through high-pressure stop valve C(11) enter Halite water process pipeline (10), cold water heat exchange in water-to-water heat exchanger tube side (23) with water-to-water heat exchanger shell side (25), blending pipe (27) is entered again after electrodynamic type air relief valve (32) reduces pressure, liquid after blending pipe (27) blends enters well-flushing pipe network through well-flushing pipe network interface (29), or enters cold water recovery pipe network through subcooled water recovery tube network interface (28)；
Chilled water system (22) cold water out enters cold water pressure increasing heat-exchanging pipeline (20), water heat exchange shell side (25) is entered after piping pump (21) supercharging, enter blending pipe (27) after carrying out heat exchange with the High Temperature High Pressure Halite water in water-to-water heat exchanger tube side (23), then enter back into follow-up flow process；
It is also connected with steam quality sampling line (15) in sampling separator (5), through the sampling water of over sampling separator (5) by high-pressure stop valve D(13) enter sampling filter (16), sampling water after filtration enters sampling cooler (17), with inflow sampling groove (18) after the cold water heat exchange of cold water interface (19) in sampling cooler (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620478121.1U CN205640862U (en) | 2016-05-24 | 2016-05-24 | Oil field steam injection boiler steam quality hoisting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620478121.1U CN205640862U (en) | 2016-05-24 | 2016-05-24 | Oil field steam injection boiler steam quality hoisting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205640862U true CN205640862U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620478121.1U Withdrawn - After Issue CN205640862U (en) | 2016-05-24 | 2016-05-24 | Oil field steam injection boiler steam quality hoisting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN205640862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910088A (en) * | 2016-05-24 | 2016-08-31 | 中国石油集团渤海石油装备制造有限公司 | Oil field steam injection boiler steam dryness increasing device |
-
2016
- 2016-05-24 CN CN201620478121.1U patent/CN205640862U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910088A (en) * | 2016-05-24 | 2016-08-31 | 中国石油集团渤海石油装备制造有限公司 | Oil field steam injection boiler steam dryness increasing device |
| CN105910088B (en) * | 2016-05-24 | 2018-07-24 | 中国石油集团渤海石油装备制造有限公司 | A kind of uphole steam generator steam quality lifting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161012 Effective date of abandoning: 20180724 |