CN1182400C - Automatic metrological technology for raw oil storing tank - Google Patents
Automatic metrological technology for raw oil storing tank Download PDFInfo
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- CN1182400C CN1182400C CNB021094950A CN02109495A CN1182400C CN 1182400 C CN1182400 C CN 1182400C CN B021094950 A CNB021094950 A CN B021094950A CN 02109495 A CN02109495 A CN 02109495A CN 1182400 C CN1182400 C CN 1182400C
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- oil
- water
- storage tank
- sensor
- crude oil
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Abstract
The present invention relates to a technique for automatically metering a crude oil storage tank in the process of crude oil production, storage and transportation. Signals respectively collected by a temperature sensor, a flow quantity sensor, a water containing sensor and a density sensor which are arranged at an oil and water mixing liquid inlet, a discharge opening and a crude oil outlet of a crude oil storage tank are used for calculating relevant technical parameters, an instruction is sent out to an electric operator, and remote data is stored into a data server through a cable and RTU connected with the cable; then, application software at the client end is used, an integral and difference method is used for carrying out a series of calculations of the collected technical parameters, and thus, the stored oil quantity, the water quantity and other technical data are obtained. The technique has the advantages of easy implementation, safe and convenient operation and accurate and reliable metering. The metering automation and the management automation of the crude oil storage tank can be realized by the present invention, the workers' labor intensity is greatly lightened, the unsafe factors are stopped, and the production management level is enhanced.
Description
The present invention relates to a kind of process that is used for crude production transporting procedures oil, the water yield and the metering of other parameters.
The metering of crude oil storage tank is an important step of crude oil exploitation, processing procedure.For a long time, the metering of crude oil storage tank adopts manual method or interface instrument to measure mostly, and manual method not only operation easier is big, and has certain danger, and personal injury takes place easily; Interface instrument is measured then owing to have profit transition bed unpredictable and that be difficult to measure between crude oil and the water in the storage tank, thereby the accuracy of influence metering.Above-mentioned situation is totally unfavorable to improving crude oil exploitation, processing and production management working level, can not adapt to the needs of field produces development and management modernization.
The object of the present invention is to provide the management of a kind of easy operating, safe and reliable, the crude oil storage tank automatic gauge method that can improve metering accuracy and storage tank management work level greatly.
Metering method provided by the invention is to realize like this.This kind metering method is by being arranged on the import of crude oil storage tank oil-water mixture, three groups of oil-water mixture and Sewage outlet and crude exports by temperature sensor, flow sensor, measuring apparatus that moisture sensor is formed and the sensor signal that is arranged on the density sensor collection of crude exports end calculate relevant technical parameter: crude oil water containing, sewage with oil, send instruction for respectively the electric actuator of corresponding site, by the remote information control terminal RTU that is attached thereto with cable remote data is stored in the data server, and then utilize client application software to utilize integration and difference method with a series of computing of technical parameter process of gathering, draw crude oil storage hand-dipping, the water yield and other technical data that needs.The measuring apparatus flow process that this measurement technology adopts is made up of three groups of temperature sensors, flow sensors being separately positioned on crude oil storage tank oil-water mixture import (being former oil-in) end, oil water mixture and sewage outlet end and crude exports end, electric actuator, density sensor and the remote information control terminal RTU, data server, the computer network that contain water sensor and be arranged on two places, back, and linking to each other with cable by corresponding pipeline constitutes an automatic collection metering system.The implementation step of this method is as follows:
1, each sensor of crude oil storage tank inlet end deposits in the data of gathering in the database by signal wire and calculates input oil, the water yield
The input water yield
Input oil mass Q
Inlet oil=(Q is total-Q
Inlet water) ω goes into liquid μ
In the formula, Q
Always--total liquid measure of input, cubic meter/hour, give by flow sensor
Fixed;
W
Go into liquid-input liquid is moisture, and is given by containing water sensor;
T-integral time, given by system;
ω
Go into liquid--the density of input liquid, kilograms per cubic meter, given by density sensor;
μ-repair coefficient, μ α t is determined by chemical examination;
T--imports liquid temp, ℃, given by temperature sensor;
2, each sensor acquisition relevant parameter of crude oil storage tank oil water mixture and Sewage outlet deposits database in and calculates oil, the water yield (computing formula is the same) that discharge at this position; Instruct two electric actuator to open or close respectively according to operation result: when water percentage＜40-60% or liquid measure were less than the total liquid measure 80-90% of inlet, two electric actuator were closed; When oil-containing in the mixed liquor＞0.5%, open mixture outlet end electric actuator, otherwise close; When oil-containing in the mixed liquor＜0.5%, open sewage outlet end electric actuator, otherwise close;
3, each sensor acquisition relevant parameter of crude oil storage tank crude exports end, and calculate oil, the water yield (computing formula is the same) that discharge at this position; According to the closing or opening of result of calculation instruction electric actuator, the mixed liquor of different water cut is stored in the different storage tanks automatically goes; When the water percentage＜40-60% of endpiece or liquid measure were less than the total liquid measure 80-90% of inlet, electric actuator was closed, when moisture＜25% the time, open electric actuator, otherwise close;
4, gather, calculate the other technologies data in the production run of crude oil storage tank:
Crude charging capacity Q-is provided by flow sensor;
Composite water cut W provides by containing water sensor;
Oil mass in the storage tank: Q
Oil in jar=Q
Inlet oil-(Q
1 discharging oil+ Q
Outlet is annotated)
The water yield in the storage tank: Q
Water in jar=Q
Inlet water-(Q
1 row is imitated water+ Q
Go out saliva)
Liquid level in the storage tank: h=π r
2 The jar radiusH
Jar is high/ Q
Oil in jar+ Q
Water in jar
Temperature gradient curve: T in the jar in the storage tank
Inlet temperature-T
The mixture export temperature/ h
Liquid level
Crude oil storage tank automatic gauge method provided by the invention is reasonable in design, easy to implement, handling safety, convenience, the metering result accurately and reliably, utilize it can realize the robotization of the metering of crude oil storage tank, management, alleviate labor strength greatly, stop operational unsafe factor, help improving production management level, be suitable for and apply.
Fig. 1 is provided with schematic flow sheet for measuring apparatus of the present invention.Among the figure, label " 14 " is the crude oil storage tank.
Fig. 2 is data acquisition, computing schematic flow sheet.
Below in conjunction with accompanying drawing enforcement of the present invention is illustrated.
As shown in the figure, metering device system of the present invention by temperature sensor 1,4,8, flow sensor 2,5,9, contain water sensor 3,6,10, density sensor 7, electric actuator 11,12,13, remote information control terminal RTU15, data server 16, industrial computer 17 and form.Each sensor links to each other with the crude exports end with inlet end, oil-water mixture and the Sewage outlet of crude oil storage tank by pipeline respectively, and links to each other with RTU by cable respectively. Electric actuator 12,13,11 links to each other with above-mentioned three positions of storage tank by pipeline respectively.
Claims (2)
1, a kind of crude oil storage tank automatic gauge method, it is characterized in that, this method is by being separately positioned on the import of crude oil storage tank oil-water mixture, three groups of Sewage outlet and crude exports by temperature sensor, flow sensor, measuring apparatus that moisture sensor is formed and the sensor signal that is arranged on the density sensor collection of crude exports end calculate relevant technical parameter: crude oil water containing, sewage with oil, send instruction for respectively the electric actuator of corresponding site, and remote data is stored in the data server by the RTU RTU that is attached thereto with cable, and then utilize client application software and integration and difference method with a series of computings of technical parameter process industrial computer of gathering, draw crude oil storage hand-dipping, the water yield and other technical data that needs.
2, crude oil storage tank automatic gauge method according to claim 1 is characterized in that the implementation step of this method is as follows:
1) each sensor of crude oil storage tank inlet end, deposits database in and calculates input oil, the water yield the data of gathering by signal wire:
The input water yield
Input oil mass Q
Inlet oil=(Q is total-Q
Inlet water) ω goes into liquid μ
In the formula, Q
Always--total liquid measure of input, cubic meter/hour, given by flow sensor;
W
Go into liquid-input liquid is moisture, and is given by containing water sensor;
T-integral time, given by system:
ω
Go into liquid--the density of input liquid, kilograms per cubic meter, given by density sensor;
μ-repair coefficient,
, determine by chemical examination;
T--imports liquid temp, ℃, given by temperature sensor;
2) each sensor acquisition corresponding data of crude oil storage tank oil water mixture and Sewage outlet deposits database in and calculates this position discharge oil, water yield Q
Discharging oilAnd Q
Discharge waterComputing formula is the same: instruct two electric actuator (12), (13) to open or close respectively according to operation result;
3) each sensor acquisition relevant parameter of crude oil storage tank crude exports end, input database, and calculate oil, the water yield Q of this position discharge with the same formula
Outlet oilAnd Q
Go out salivaClose or open according to result of calculation instruction electric actuator (11), the mixed liquor of different water cut is stored in the different storage tanks automatically goes;
4) gather, calculate the other technologies data in the production run of crude oil storage tank:
Crude charging capacity Q-is given by flow sensor (2);
Composite water cut W-is given by containing water sensor (2);
Oil mass in the storage tank: Q
Oil in jar=Q
Inlet oil-(Q
Discharging oil+ Q
Outlet oil)
The water yield in the storage tank: Q
Water in jar=Q
Inlet water-(Q
Discharge water+ Q
Go out saliva)
Liquid level in the storage tank: hx=π r
2 The jar radiusH
Jar is high/ Q
Oil in jar+ Q
Water in jar
Temperature gradient curve: T in the jar in the storage tank
Inlet temperature-T
The mixture export temperature/ h
Liquid level
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021094950A CN1182400C (en) | 2002-04-16 | 2002-04-16 | Automatic metrological technology for raw oil storing tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021094950A CN1182400C (en) | 2002-04-16 | 2002-04-16 | Automatic metrological technology for raw oil storing tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1375699A CN1375699A (en) | 2002-10-23 |
| CN1182400C true CN1182400C (en) | 2004-12-29 |
Family
ID=4740686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021094950A Expired - Fee Related CN1182400C (en) | 2002-04-16 | 2002-04-16 | Automatic metrological technology for raw oil storing tank |
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| Country | Link |
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| CN (1) | CN1182400C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109205131A (en) * | 2018-09-11 | 2019-01-15 | 高江江 | A kind of grease storage tank intelligent metering device and its calculation method |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9218000B2 (en) * | 2009-04-01 | 2015-12-22 | Honeywell International Inc. | System and method for cloud computing |
| CN106525121B (en) * | 2016-11-01 | 2019-03-05 | 北京师范大学 | A kind of the energy safety of supply evaluation system |
| CN111337375A (en) * | 2020-03-20 | 2020-06-26 | 国网陕西省电力公司宝鸡供电公司 | Remote monitoring system for icing of power transmission line |
-
2002
- 2002-04-16 CN CNB021094950A patent/CN1182400C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109205131A (en) * | 2018-09-11 | 2019-01-15 | 高江江 | A kind of grease storage tank intelligent metering device and its calculation method |
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| Publication number | Publication date |
|---|---|
| CN1375699A (en) | 2002-10-23 |
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