CN203688397U - On-line viscosity detection device for tertiary recovery injection system of oil field - Google Patents
On-line viscosity detection device for tertiary recovery injection system of oil field Download PDFInfo
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- CN203688397U CN203688397U CN201420078519.7U CN201420078519U CN203688397U CN 203688397 U CN203688397 U CN 203688397U CN 201420078519 U CN201420078519 U CN 201420078519U CN 203688397 U CN203688397 U CN 203688397U
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- 238000002347 injection Methods 0.000 title claims abstract description 16
- 239000007924 injection Substances 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 title abstract description 17
- 238000011084 recovery Methods 0.000 title abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 239000012530 fluid Substances 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000011206 ternary composite Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002332 oil field water Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses an on-line viscosity detection device for a tertiary recovery injection system of an oil field. The on-line viscosity detection device mainly comprises an on-line viscosity sensor, an oil displacing liquid flow meter, a pressure sensor, a calibration liquid lifting pump, a calibration liquid storage tank, a device protecting cover, an automatic detection control module, a high-pressure liquid inlet valve, a high-pressure liquid outlet valve, and an electric valve. By virtue of the on-line viscosity detection device, the problem in the on-line viscosity detection on tertiary recovery multicomponent oil displacing liquid of the oil field is solved and the on-line viscosity detection device has the advantages of being simple in structure, convenient to use, easy to maintain and the like.
Description
Technical field
The utility model relates to oil extraction in oil field technical field, is specifically related to a kind of tertiary oil production in oil field injection system viscosity on-line measuring device.
Background technology
Along with the deep development in oil field, for guarantee crude production rate steadily, oilfield water flooding oil extraction methods is just progressively transitioned into chemical agent oil removing mode (commonly poly-ly drive, high concentration is poly-ly driven, ternary composite driving etc.) at present.Chemical agent oil removing mode adds high molecular polymer exactly in injected water, increases the viscosity of injection liquid, reduces the water phase permeability of oil reservoir, thereby improves water-oil mobility ratio, adjusts input profile, expands swept volume, and then improves oil recovery factor.
Ternary (alkali, polymkeric substance and surfactant) combination flooding in tertiary oil recovery technology and polymer flooding drop into mining site application at Daqing oil field.Field test shows, the comparable water drive of polymer flooding improves oil recovery factor more than 10%, and the comparable water drive of ternary composite driving improves oil recovery factor more than 20%.The viscosity of oil driving liquid is higher, and the ability that expands swept volume is stronger, and oil displacement efficiency is better.But the viscosity height of oil driving liquid to a certain extent after, improve the ability variation of oil displacement efficiency.Therefore, the viscosity of oil driving liquid must have a rational scope.
At present, tertiary oil recovery technology oil driving liquid there is no effective online detection instrument in the viscosity of injecting before well head, present stage mainly adopts, after on-site sampling, send laboratory back to and carry out viscosity measurements, from on-site sampling to detecting viscosity number, and then manually adjust the viscosity number of oil driving liquid configuration proportion control oil driving liquid, generally need nearly 7 hours, the overall process time is long, human factor is many, low precision, cannot ensure in time that oil driving liquid viscosity, in rational scope, has a strong impact on tertiary oil production in oil field displacement of reservoir oil production capacity.
Summary of the invention
In order to overcome the deficiency existing in background technology, the utility model provides a kind of novel oilfield tertiary oil recovery injection system viscosity on-line measuring device, the utlity model has simple in structure, dependable performance, easy to use, be easy to the advantages such as maintenance.
The technical solution of the utility model is: this tertiary oil production in oil field injection system viscosity on-line measuring device comprises delivery line, high pressure liquid feed valve is installed on described delivery line successively, feed liquor motorized valve, the metering of oil driving liquid flowmeter, online viscosity sensor, pressure transducer, fluid motorized valve and high pressure liquid valve, on pipeline between feed liquor motorized valve inlet end and fluid motorized valve endpiece, be provided with and surmount motorized valve, on pipeline between feed liquor motorized valve endpiece and fluid motorized valve inlet end, be provided with and demarcate liquid fluid motorized valve, demarcate liquid lift pump, demarcate liquid storage tank and demarcate liquid backflow motorized valve.
On pipeline between feed liquor motorized valve in such scheme and demarcation liquid fluid motorized valve, bypass has B emptying motorized valve, and between fluid motorized valve and demarcation liquid backflow motorized valve, bypass has A emptying motorized valve.
This tertiary oil production in oil field injection system viscosity on-line measuring device is by the online viscosity number detecting in real time, undertaken after conversion process by Automatic Detection and Control module RTU equipment, by the wireless network transmissions station control system of showing up, realize on-the-spot service data Real-Time Monitoring.Station control system, by comparing with the viscosity of geologic development requirement, is adjusted the viscosity number of oil driving liquid configuration proportion control oil driving liquid in time, reduces the water phase permeability of oil reservoir, thereby improve water-oil mobility ratio, adjust input profile, expand swept volume, and then improve oil recovery factor.This device has solved a difficult problem for the online viscosity measurements of the polynary oil driving liquid of tertiary oil production in oil field.
The utlity model has following beneficial effect: this is novel has solved that the tertiary oil production in oil field oil driving liquid viscosity measurements overall process time is long, human factor is many, low precision, cannot ensure in time that oil driving liquid is in rational scope, have a strong impact on tertiary oil production in oil field displacement of reservoir oil production capacity problem, significantly improve jurisdiction block oil recovery factor, ensured that oil driving liquid viscosity is in rational scope.
brief description of the drawings:
Accompanying drawing 1 is structural representation of the present utility model.
embodiment:
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, this tertiary oil production in oil field injection system viscosity on-line measuring device is provided with protective cover 2, and protective cover 2 has insulation, the function such as antitheft, damp proof.Ensure the steady and safety of tertiary oil production in oil field injection system viscosity on-line measuring device production run.Device comprises delivery line 19, and delivery line 19 inlet ends are connected with injection plant 18, and delivery line 19 endpiece remove to inject well head 10.On described delivery line 19, be provided with successively that high pressure liquid feed valve 1, feed liquor motorized valve 3, oil driving liquid flowmeter 4 measure, online viscosity sensor 6, pressure transducer 7, fluid motorized valve 8 and high pressure liquid valve 9, on pipeline between feed liquor motorized valve 3 inlet ends and fluid motorized valve 8 endpiece, be provided with and surmount motorized valve 5, on the pipeline between feed liquor motorized valve 3 endpiece and fluid motorized valve 8 inlet ends, be provided with and demarcate liquid fluid motorized valve 15, demarcate liquid lift pump 14, demarcate liquid storage tank 13 and demarcate liquid backflow motorized valve 12.On pipeline between feed liquor motorized valve 3 and demarcation liquid fluid motorized valve 15, bypass has B emptying motorized valve 16, and between fluid motorized valve 8 and demarcation liquid backflow motorized valve 12, bypass has A emptying motorized valve 11.Above-mentioned each parts are connected with automatic detection and control system 17 signals.
This device can be realized online viscosity automatic Calibration, can realize and not stop oil driving liquid injection, regularly online viscosity sensor 6 is carried out to on-line proving, ensures online viscosity sensor 6 accuracy of detection, has effectively ensured the continuous injection displacement of reservoir oil.
To online viscosity sensor 6 timing signals, start automatic Calibration control program by the automatic Calibration button on automatic detection and control system 17 and carry out automatic Calibration.While carrying out automatic Calibration, first automatic detection and control system 17 will surmount motorized valve 5 opens, and ensures that production injection work moves continuously.Surmount after motorized valve 5 unlatchings, automatic detection and control system 17 is closed feed liquor motorized valve 3, fluid motorized valve 8, and after closing completely, A opens emptying motorized valve 11, B emptying motorized valve 16 by the residual oil driving liquid emptying in viscosity measurements pipeline.
After residual oil driving liquid emptying, automatic detection and control system 17 is opened and is demarcated liquid fluid motorized valve 15, demarcates liquid backflow motorized valve 12, starts demarcation liquid lift pump 14 and carries out online viscosity sensor 6 on-line provings.
Automatic detection and control system 17, by the online viscosity, pressure, the data on flows that detect in real time, is undertaken after conversion process by automatic detection and control system 17RTU module, by the wireless network transmissions station control system of showing up, realizes on-the-spot service data Real-Time Monitoring.
Claims (2)
1. a tertiary oil production in oil field injection system viscosity on-line measuring device, comprise delivery line (19), it is characterized in that: on described delivery line (19), high pressure liquid feed valve (1) is installed successively, feed liquor motorized valve (3), oil driving liquid flowmeter (4) metering, online viscosity sensor (6), pressure transducer (7), fluid motorized valve (8) and high pressure liquid valve (9), on pipeline between feed liquor motorized valve (3) inlet end and fluid motorized valve (8) endpiece, be provided with and surmount motorized valve (5), on pipeline between feed liquor motorized valve (3) endpiece and fluid motorized valve (8) inlet end, be provided with and demarcate liquid fluid motorized valve (15), demarcate liquid lift pump (14), demarcate liquid storage tank (13) and demarcate liquid backflow motorized valve (12).
2. tertiary oil production in oil field injection system viscosity on-line measuring device according to claim 1, it is characterized in that: on the pipeline between feed liquor motorized valve (3) and demarcation liquid fluid motorized valve (15), bypass has B emptying motorized valve (16), between fluid motorized valve (8) and demarcation liquid backflow motorized valve (12), bypass has A emptying motorized valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078519.7U CN203688397U (en) | 2014-02-24 | 2014-02-24 | On-line viscosity detection device for tertiary recovery injection system of oil field |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078519.7U CN203688397U (en) | 2014-02-24 | 2014-02-24 | On-line viscosity detection device for tertiary recovery injection system of oil field |
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| Publication Number | Publication Date |
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| CN203688397U true CN203688397U (en) | 2014-07-02 |
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| CN201420078519.7U Expired - Lifetime CN203688397U (en) | 2014-02-24 | 2014-02-24 | On-line viscosity detection device for tertiary recovery injection system of oil field |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502228A (en) * | 2014-12-15 | 2015-04-08 | 中国航空工业集团公司北京长城航空测控技术研究所 | Measurement system and measurement method for oil viscosity online detection sensor |
| CN104632189A (en) * | 2014-12-11 | 2015-05-20 | 聚亨通（天津）石油设备科技发展有限公司 | Automatic thickened oil detection system and automatic oil extraction assistant injection amount adjusting system |
| WO2017177476A1 (en) * | 2016-04-14 | 2017-10-19 | 河南正佳能源环保股份有限公司 | Evaluation system for determining technological parameters for dissolving of oil-displacing polymer in pipe |
-
2014
- 2014-02-24 CN CN201420078519.7U patent/CN203688397U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632189A (en) * | 2014-12-11 | 2015-05-20 | 聚亨通（天津）石油设备科技发展有限公司 | Automatic thickened oil detection system and automatic oil extraction assistant injection amount adjusting system |
| CN104502228A (en) * | 2014-12-15 | 2015-04-08 | 中国航空工业集团公司北京长城航空测控技术研究所 | Measurement system and measurement method for oil viscosity online detection sensor |
| WO2017177476A1 (en) * | 2016-04-14 | 2017-10-19 | 河南正佳能源环保股份有限公司 | Evaluation system for determining technological parameters for dissolving of oil-displacing polymer in pipe |
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Granted publication date: 20140702 |
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| CX01 | Expiry of patent term |