CN106917624A - Shaft bottom, the determination of gas pipeline hydrops amount, foaming agent supply control system and method - Google Patents
Shaft bottom, the determination of gas pipeline hydrops amount, foaming agent supply control system and method Download PDFInfo
- Publication number
- CN106917624A CN106917624A CN201511008726.0A CN201511008726A CN106917624A CN 106917624 A CN106917624 A CN 106917624A CN 201511008726 A CN201511008726 A CN 201511008726A CN 106917624 A CN106917624 A CN 106917624A
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- Prior art keywords
- hydrops amount
- standard deviation
- pressure
- foaming agent
- hydrops
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
- E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/14—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using liquids and gases, e.g. foams
Abstract
The present invention provides a kind of shaft bottom, the determination of gas pipeline hydrops amount, foaming agent supply control system and method.The shaft bottom hydrops amount determines that system includes determining device, computing device and is arranged on the first pressure sensor in sleeve pipe or oil pipe exit, and sleeve pipe or oil pipe are connected with natural gas well bottom；First pressure sensor is used to measure the pressure in sleeve pipe or oil pipe exit, and pressure information is sent into computing device；Computing device is used to calculate the standard deviation of pressure, and standard deviation is sent into determining device；Determining device is used for according to standard deviation, determines the hydrops amount at natural gas well bottom.Natural gas well bottom hydrops amount accuracy in detection can be improved by the present invention.
Description
Technical field
The present invention relates to natural gas extraction and transportation art, more particularly to a kind of shaft bottom, gas pipeline hydrops
Amount determination, foaming agent supply control system and method.
Background technology
In natural gas extraction, generally there is substantial amounts of hydrops in natural gas well bottom, hydrops is to the defeated of natural gas
Go out to have certain resistance, when the resistance for producing is excessive, it will have a strong impact on natural gas and exported from shaft bottom.
In order to ensure the natural gas smooth delivery of power in shaft bottom to ground, it usually needs inject foaming agent to shaft bottom, rising
The density of hydrops reduces in the presence of infusion, so as to hydrops can be easy in the course of conveying of natural gas
It is carried over shaft bottom.However, at present exploitation personnel cannot accurately know hydrops amount in natural gas well bottom number,
So as to cause the supply control accuracy of foaming agent relatively low.
In addition, in natural gas transportation, due to the natural gas gathered out from natural gas well bottom contain it is substantial amounts of
Hydrops, along with gas pipeline relief intensity is larger, the hydrops in natural gas is easy in gas pipeline
Recess is assembled, so as to influence the transfer efficiency of gas pipeline.At present, people cannot accurately know gas transmission
The hydrops situation of pipeline, can only regularly carry out the logical ball of pigging to gas pipeline.
The content of the invention
The present invention provides a kind of shaft bottom hydrops amount and determines system and method, is accumulated with solving current natural gas well bottom
The relatively low problem of the liquid inspection degree of accuracy.
The present invention also provides a kind of foaming agent supply control system and method, to solve to be opened in natural gas at present
Adopt the relatively low problem of middle foaming agent supply control accuracy.
The present invention also provides a kind of gas pipeline hydrops amount and determines system and method, to solve at present natural
The relatively low problem of gas pipeline conducting situation accuracy in detection in gas conveying.
First aspect according to embodiments of the present invention, there is provided a kind of shaft bottom hydrops amount determines system, including true
Determine device, computing device and be arranged on the first pressure sensor in sleeve pipe or oil pipe exit, it is described
Sleeve pipe or oil pipe are connected with the natural gas well bottom；The first pressure sensor is used to measure the set
Pipe or the pressure in oil pipe exit, and the pressure information is sent to the computing device；
The computing device is used to calculate the standard deviation of the pressure, and the standard deviation is sent
To the determining device；The determining device is used for according to the standard deviation, determines the natural gas well
The hydrops amount at bottom.
Second aspect according to embodiments of the present invention, there is provided a kind of shaft bottom hydrops amount determines method, the side
Method includes：Measure the pressure in the sleeve pipe or oil pipe exit connected with natural gas well bottom；
Calculate the standard deviation of the pressure measured；
According to the standard deviation, the hydrops amount at natural gas well bottom is determined.
A kind of third aspect according to embodiments of the present invention, there is provided foaming agent supply control system, including control
Device processed, determining device, computing device, the first pressure sensing that is arranged on sleeve pipe or oil pipe exit
Device, described sleeve pipe or oil pipe are connected with the natural gas well bottom；The first pressure sensor is used to survey
Amount described sleeve pipe or the pressure in oil pipe exit, and the pressure information is sent to the computing device；
The computing device is used to calculate the standard deviation of the pressure, and the standard deviation is sent
To the determining device；The determining device is used for according to the standard deviation, determines the natural gas well
The hydrops amount at bottom, and the hydrops amount information is sent to the control device；The control device is used for
According to the hydrops amount, the supply of foaming agent is controlled.
Fourth aspect according to embodiments of the present invention, there is provided a kind of foaming agent supply control method, the side
Method includes：Measure the pressure in the sleeve pipe or oil pipe exit connected with natural gas well bottom；
Calculate the standard deviation of the pressure；
According to the standard deviation, the hydrops amount at natural gas well bottom is determined；
According to the hydrops amount, the supply of foaming agent is controlled.
5th aspect according to embodiments of the present invention, there is provided a kind of gas pipeline hydrops amount determines system, bag
Include determining device, computing device and the second pressure sensor being arranged on gas pipeline；Described second
Pressure sensor is used to detect the pressure information on gas pipeline, and the pressure information is sent to described
Computing device；
The computing device is used to calculate the standard deviation of the pressure, and the standard deviation is sent
To the determining device；The determining device is used for according to the standard deviation, determines the gas pipeline
In hydrops amount.
6th aspect according to embodiments of the present invention, there is provided a kind of gas pipeline hydrops amount determines method, institute
The method of stating includes：Pressure on detection gas pipeline；
Calculate the standard deviation of the pressure；
According to the standard deviation, the hydrops amount of the gas pipeline is determined.
The beneficial effects of the invention are as follows：
1st, the present invention calculates the standard deviation of the pressure after the pressure in detection sleeve pipe or oil pipe exit,
And the hydrops amount at natural gas well bottom is determined according to the standard deviation, because standard deviation can reflect pressure
Amplitude fluctuations situation, and the pressure fluctuations amplitude in sleeve pipe or oil pipe exit can reflect shaft bottom hydrops amount
How much, thus natural gas well bottom hydrops amount accuracy in detection can be improved by the present invention；
2nd, the present invention is by controlling the supply of foaming agent according to the shaft bottom hydrops amount for accurately detecting, can be with
Improve the accuracy of foaming agent supply control；
3rd, the present invention calculates the standard deviation of the pressure change after the pressure of detection gas pipeline, and
The hydrops amount in gas pipeline is determined according to the standard deviation, the width of pressure can be reflected due to standard deviation
Value fluctuation situation, thus gas pipeline hydrops amount accuracy in detection, and base can be improved by the present invention
In the number of gas pipeline hydrops amount, gas pipeline can in time be cleaned, thereby may be ensured that day
Right gas transfer efficiency.
Brief description of the drawings
Fig. 1 is the application scenarios schematic diagram that natural gas extraction and conveying are realized using the embodiment of the present invention；
Fig. 2 is one embodiment block diagram that hydrops amount in shaft bottom of the present invention determines system；
Fig. 3 is another embodiment flow chart that hydrops amount in shaft bottom of the present invention determines method；
Fig. 4 is another embodiment block diagram of foaming agent supply control system of the present invention；
Fig. 5 is one embodiment flow chart of foaming agent supply control method of the present invention；
Fig. 6 is one embodiment block diagram that gas pipeline hydrops amount of the present invention determines system；
Fig. 7 is the enlarged diagram of a-quadrant in Fig. 1 of the present invention；
Fig. 8 is one embodiment flow chart that gas pipeline hydrops amount of the present invention determines method.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the embodiment of the present invention, and make
The above-mentioned purpose of the embodiment of the present invention, feature and advantage can be more obvious understandable, right below in conjunction with the accompanying drawings
Technical scheme is described in further detail in the embodiment of the present invention.
In the description of the invention, unless otherwise prescribed with limit, it is necessary to explanation, term " connection ",
" connection " should be interpreted broadly, for example, it may be mechanically connecting or electrical connection, or two units
Connection inside part, can be joined directly together, it is also possible to be indirectly connected to by intermediary, for ability
For the those of ordinary skill in domain, the concrete meaning of above-mentioned term can be as the case may be understood.
It is to realize that natural gas extraction and the application scenarios of conveying are illustrated using the embodiment of the present invention referring to Fig. 1
Figure.In Fig. 1, oil pipe 101 can be sleeved in sleeve pipe 102, and oil pipe 101 and sleeve pipe 102 can be worn
Cross ground 103 to be connected with natural gas well bottom 104, foaming agent feeding device 105 can be by supplying valve
106 are connected with sleeve pipe 102, and the exit of oil pipe 101 is by the first control valve 107 and gas-distributing pipe road
108 connections, the outlet side in gas-distributing pipe road 108 is by the 3rd control valve 109 and gas pipeline 110
Side connects, and the other end of gas pipeline 107 is connected with supercharger 111.
It is one embodiment block diagram that hydrops amount in shaft bottom of the present invention determines system referring to Fig. 2, the system can
Including determining device 210, computing device 220 and to be arranged on sleeve pipe 102 or oil pipe 101 is exported
The first pressure sensor 230 at place, wherein the first pressure sensor 230 can measure the sleeve pipe 102
Or the pressure in the exit of oil pipe 101, and the pressure information is sent to computing device 220；Calculate dress
Putting 220 can calculate the standard deviation of the pressure, and the standard deviation is sent into determining device 210；
Determining device according to the standard deviation, can determine the hydrops amount at natural gas well bottom.
In the present embodiment, when the hydrops at natural gas well bottom builds up, can to natural gas transportation produce compared with
Big resistance, so that the pressure rise in shaft bottom, now the pressure in sleeve pipe and oil pipe exit is because by shaft bottom
Hydrops is disturbed and fluctuation；When natural gas well bottom hydrops is gradually taken out of shaft bottom, the pressure meeting in shaft bottom
Decline, now casing pressure declines, the pressure in oil pipe exit rises.As can be seen here, sleeve pipe and oil pipe
The pressure in exit can indirectly reflect the number of shaft bottom hydrops amount.It has been investigated that, sleeve pipe and oil pipe
The standard deviation of outlet pressure more big then expression disturbed bigger by shaft bottom hydrops, and shaft bottom hydrops amount is then got over
Many, wherein computing device can calculate the standard deviation of sleeve pipe and oil pipe outlet pressure according to below equation
ValueX represents the pressure for detecting,The average value of the pressure that expression is detected, n represents pressure detecting
Number of times：
Hydrops amount number can be previously stored with order to more accurately determine shaft bottom hydrops amount, in determining device
According to storehouse, standard deviation information and corresponding with standard deviation information can be included in the hydrops amount database
Hydrops amount information.Determining device after standard deviation is received, the standard deviation that this can be received with
Each standard deviation in hydrops amount database is compared, and is found and this when in hydrops amount database
During the standard deviation identical standard deviation for receiving, the standard deviation that will be found in hydrops amount database
Corresponding hydrops amount as natural gas well bottom hydrops amount.
As seen from the above-described embodiment, the present invention is calculated after the pressure in detection sleeve pipe or oil pipe exit
The standard deviation of the pressure, and the hydrops amount at natural gas well bottom is determined according to the standard deviation, due to standard
Difference can reflect the amplitude fluctuations situation of pressure, and the pressure fluctuations amplitude in sleeve pipe or oil pipe exit can
With reflect shaft bottom hydrops amount number, thus by the present invention can improve natural gas well bottom accumulate liquid inspection
The degree of accuracy.
It is one embodiment flow chart that hydrops amount in shaft bottom of the present invention determines method, the method referring to Fig. 3
May comprise steps of：
Step 301, the pressure for measuring the sleeve pipe or oil pipe exit connected with natural gas well bottom.
Step 302, the standard deviation for calculating the pressure measured.
In the present embodiment, the standard deviation of sleeve pipe or oil pipe outlet pressure can be calculated according to below equation
ValueWherein x represents the pressure for detecting,The average value of the pressure that expression is detected, n is represented
The number of times of pressure detecting：
Step 303, according to the standard deviation, determine the hydrops amount at natural gas well bottom.
In the present embodiment, hydrops amount database can be initially set up, so that the hydrops amount database includes
Hydrops amount information and standard deviation corresponding with the hydrops amount information, are calculating the pressure measured
After standard deviation, hydrops amount information corresponding with the standard deviation in the hydrops amount data can be searched, and
Hydrops amount of the hydrops amount that will be found out as natural gas well bottom.
In a kind of optional implementation, after standard deviation is calculated, the mark that this can be calculated
Quasi- difference is compared with each standard deviation in hydrops amount database, is looked into when in hydrops amount database
When finding the standard deviation identical standard deviation calculated with this, by what is found in hydrops amount database
The corresponding hydrops amount of standard deviation as natural gas well bottom hydrops amount.
As seen from the above-described embodiment, the present invention is calculated after the pressure in detection sleeve pipe or oil pipe exit
The standard deviation of the pressure, and the hydrops amount at natural gas well bottom is determined according to the standard deviation, due to standard
Difference can reflect the amplitude fluctuations situation of pressure, and the pressure fluctuations amplitude in sleeve pipe or oil pipe exit can
With reflect shaft bottom hydrops amount number, thus by the present invention can improve natural gas well bottom accumulate liquid inspection
The degree of accuracy.
It is one embodiment block diagram of foaming agent supply control system of the present invention referring to Fig. 4, the system can
With control device 410, determining device 420, computing device 430 and it is arranged on sleeve pipe 102 or oil pipe
The first pressure sensor 440 in 101 exits, wherein the first pressure sensor 440 can be used for measurement
Sleeve pipe 102 or the pressure in the exit of oil pipe 101, and the pressure information is sent to computing device 430；
Computing device 430 can be used for calculating the standard deviation of the pressure, and the standard deviation is sent to really
Determine device 420；Determining device 420 can be used for determining according to the standard deviation product at natural gas well bottom
Liquid measure, and the hydrops amount information is sent to control device 410；Control device 410 can be used for basis
The hydrops amount, controls the supply of foaming agent.
In the present embodiment, computing device can calculate sleeve pipe and oil pipe outlet pressure according to below equation
Standard deviationX represents the pressure for detecting,The average value of the pressure that expression is detected, n is represented
The number of times of pressure detecting：
Hydrops amount number can be previously stored with order to more accurately determine shaft bottom hydrops amount, in determining device
According to storehouse, standard deviation information and corresponding with standard deviation information can be included in the hydrops amount database
Hydrops amount information.After standard deviation is received, the standard deviation that can be received this divides determining device
It is not compared with each standard deviation in hydrops amount database, is found when in hydrops amount database
During the standard deviation identical standard deviation received with this, the standard that will be found in hydrops amount database
The corresponding hydrops amount of difference as natural gas well bottom hydrops amount.
In addition, in order to more accurately determine foaming agent supply rule, can be prestored in control device
There is foaming agent to supply rule database, hydrops amount information can be included in foaming agent supply rule database
And foaming agent supply rule corresponding with the hydrops amount information.Control device is receiving hydrops amount information
Afterwards, the hydrops amount that will can be received is entered with each hydrops amount in foaming agent supply rule database respectively
Row compares, and corresponding of the hydrops amount received with this is found in rule database is supplied in foaming agent
During infusion supply rule, the foaming agent supply that will be found is regular as the foaming agent for being provided to sleeve pipe
Supply rule.Hereafter, control device can supply rule according to the foaming agent, control the supply of foaming agent
Valve.Wherein, foaming agent supply rule can be including the quantity delivered of foaming agent, supply cycle etc..
As seen from the above-described embodiment, the present invention is calculated after the pressure in detection sleeve pipe or oil pipe exit
The standard deviation of the pressure, and the hydrops amount at natural gas well bottom is determined according to the standard deviation, due to standard
Difference can reflect the amplitude fluctuations situation of pressure, and the pressure fluctuations amplitude in sleeve pipe or oil pipe exit can
With reflect shaft bottom hydrops amount number, thus by the present invention can improve natural gas well bottom accumulate liquid inspection
The degree of accuracy.In addition, the present invention is by controlling the confession of foaming agent according to the shaft bottom hydrops amount for accurately detecting
Give, the accuracy of foaming agent supply control can be improved.
It is one embodiment flow chart of foaming agent supply control method of the present invention referring to Fig. 5.The method
Can include：
Step 501, the pressure for measuring the sleeve pipe or oil pipe exit connected with natural gas well bottom.
Step 502, the standard deviation for calculating the pressure.
In the present embodiment, the standard deviation of sleeve pipe or oil pipe outlet pressure can be calculated according to below equation
ValueWherein x represents the pressure for detecting,The average value of the pressure that expression is detected, n is represented
The number of times of pressure detecting：
Step 503, according to standard deviation, determine the hydrops amount at natural gas well bottom.
In the present embodiment, hydrops amount database can be initially set up, so that the hydrops amount database includes
Hydrops amount information and standard deviation corresponding with the hydrops amount information, are calculating the pressure measured
After standard deviation, hydrops amount information corresponding with the standard deviation in the hydrops amount data can be searched, and
Hydrops amount of the hydrops amount that will be found out as natural gas well bottom.
In a kind of optional implementation, after standard deviation is calculated, the mark that this can be calculated
Quasi- difference is compared with each standard deviation in hydrops amount database, is looked into when in hydrops amount database
When finding the standard deviation identical standard deviation calculated with this, by what is found in hydrops amount database
The corresponding hydrops amount of standard deviation as natural gas well bottom hydrops amount.
Step 504, according to hydrops amount, control the supply of foaming agent.
In the present embodiment, foaming agent supply rule database, foaming agent supply rule can be initially set up
Hydrops amount information and foaming agent corresponding with hydrops amount information supply rule can be included in database.
In foaming agent supply rule database it is determined that after the hydrops amount at natural gas well bottom, can be first looked for out with
The corresponding foaming agent supply rule of the hydrops amount, then according to the foaming agent supply rule for finding out, control
The supply valve of foaming agent.
As seen from the above-described embodiment, the present invention is calculated after the pressure in detection sleeve pipe or oil pipe exit
The standard deviation of the pressure, and the hydrops amount at natural gas well bottom is determined according to the standard deviation, due to standard
Difference can reflect the amplitude fluctuations situation of pressure, and the pressure fluctuations amplitude in sleeve pipe or oil pipe exit can
With reflect shaft bottom hydrops amount number, thus by the present invention can improve natural gas well bottom accumulate liquid inspection
The degree of accuracy.In addition, the present invention is by controlling the confession of foaming agent according to the shaft bottom hydrops amount for accurately detecting
Give, the accuracy of foaming agent supply control can be improved.
It is one embodiment block diagram that gas pipeline hydrops amount of the present invention determines system referring to Fig. 6.This is
System can include determining that device 610, computing device 620 and the second pressure being arranged on gas pipeline
The pressure letter that sensor 630, wherein the second pressure sensor 630 can be used for detecting on gas pipeline
Breath, and the pressure information is sent to computing device 620；Computing device 620 can be used for calculating this
The standard deviation of pressure, and the standard deviation is sent to determining device 630；Determining device 630 can be with
For according to the standard deviation, determining the hydrops amount in gas pipeline.
In the present embodiment, as shown in fig. 7, because the side of gas pipeline is connected with supercharger, opposite side
Connected with the gas transmission side in gas-distributing pipe road, and in the presence of supercharger, be connected with gas pipeline with supercharger
The pressure of side be held essentially constant, thus gas pipeline is connected the pressure oscillation of the side with gas-distributing pipe road
Amplitude can indirectly reflect the number of hydrops amount in gas pipeline.It has been investigated that, pressed in gas pipeline
Hydrops amount is more in the more big then expression gas pipeline of the standard deviation of power.Wherein, computing device can basis
Below equation calculates the standard deviation of pressure on gas pipelineX represents the pressure for detecting,Represent
The average value of the pressure for detecting, n represents the number of times of pressure detecting：
In order to more accurately determine the hydrops amount in gas pipeline, can be previously stored with determining device
Hydrops amount database, can include standard deviation information and believe with standard deviation in the hydrops amount database
Cease corresponding hydrops amount information.Determining device after standard deviation is received, the mark that this can be received
Quasi- difference is compared with each standard deviation in hydrops amount database respectively, when in hydrops amount database
In when finding the standard deviation identical standard deviation received with this, will be searched in hydrops amount database
To the corresponding hydrops amount of standard deviation as the hydrops amount in gas pipeline.
As seen from the above-described embodiment, the present invention calculates the pressure after the pressure of detection gas pipeline
Standard deviation, and the hydrops amount in gas pipeline is determined according to the standard deviation, because standard deviation can be with
Reflect the amplitude fluctuations situation of pressure, and the pressure fluctuations amplitude on gas pipeline can reflect gas pipeline
The number of middle hydrops amount, thus gas pipeline hydrops amount accuracy in detection can be improved by the present invention, and
And the number based on gas pipeline hydrops amount, gas pipeline can in time be cleaned, such that it is able to protect
Card natural gas transportation efficiency.
It is one embodiment block diagram that gas pipeline hydrops amount of the present invention determines method referring to Fig. 8.The party
Method may comprise steps of：
Pressure on step 801, detection gas pipeline.
Step 802, the standard deviation for calculating the pressure.
In the present embodiment, the standard deviation of pressure on gas pipeline can be calculated according to below equation
Wherein x represents the pressure for detecting,The average value of the pressure that expression is detected, n represents pressure inspection
The number of times of survey：
Step 803, according to the standard deviation, determine the hydrops amount of gas pipeline.
In the present embodiment, the method can pre-build hydrops amount database, can in the hydrops amount database
With including standard deviation information and hydrops amount information corresponding with standard deviation information.Calculating standard
After difference, the standard deviation that this can be calculated respectively with hydrops amount database in each standard deviation
It is compared, when finding the standard deviation identical standard deviation that is calculated with this in hydrops amount database
During value, using the corresponding hydrops amount of the standard deviation found in hydrops amount database as in gas pipeline
Hydrops amount.
As seen from the above-described embodiment, the present invention calculates the pressure after the pressure of detection gas pipeline
Standard deviation, and the hydrops amount in gas pipeline is determined according to the standard deviation, because standard deviation can be with
Reflect the amplitude fluctuations situation of pressure, and the pressure fluctuations amplitude on gas pipeline can reflect gas pipeline
The number of middle hydrops amount, thus gas pipeline hydrops amount accuracy in detection can be improved by the present invention, and
And the number based on gas pipeline hydrops amount, gas pipeline can in time be cleaned, such that it is able to protect
Card natural gas transportation efficiency.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " show
The description of example ", " specific example " or " some examples " etc. means to be retouched with reference to the embodiment or example
Specific features, structure, material or the feature stated are contained at least one embodiment of the invention or example
In.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or
Example.And, the specific features of description, structure, material or feature can be at any one or many
Combined in an appropriate manner in individual embodiment or example.
Those skilled in the art will readily occur to this after considering specification and putting into practice invention disclosed herein
Other embodiments of invention.The application is intended to any modification of the invention, purposes or adaptability
Change, these modifications, purposes or adaptations follow general principle of the invention and including this hair
Bright undocumented common knowledge or conventional techniques in the art.Description and embodiments only by
It is considered as exemplary, true scope and spirit of the invention are pointed out by following claim.
It should be appreciated that the invention is not limited in be described above and be shown in the drawings it is accurate
Structure, and can without departing from the scope carry out various modifications and changes.The scope of the present invention is only by institute
Attached claim is limited.
Claims (10)
1. a kind of shaft bottom hydrops amount determines system, it is characterised in that including determining device, computing device with
And be arranged on the first pressure sensor in sleeve pipe or oil pipe exit, described sleeve pipe or oil pipe with it is described
Natural gas well bottom connects；The first pressure sensor is used to measure described sleeve pipe or oil pipe exit
Pressure, and the pressure information is sent to the computing device；
The computing device is used to calculate the standard deviation of the pressure, and the standard deviation is sent
To the determining device；The determining device is used for according to the standard deviation, determines the natural gas well
The hydrops amount at bottom.
2. system according to claim 1, it is characterised in that the determining device is used to search product
Hydrops amount information corresponding with the standard deviation in liquid measure database, and the hydrops amount that will be found out as
The hydrops amount at the natural gas well bottom.
3. a kind of shaft bottom hydrops amount determines method, it is characterised in that methods described includes：
Measure the pressure in the sleeve pipe or oil pipe exit connected with natural gas well bottom；
Calculate the standard deviation of the pressure measured；
According to the standard deviation, the hydrops amount at natural gas well bottom is determined.
4. method according to claim 3, it is characterised in that according to the standard deviation, really
Before determining the hydrops amount at natural gas well bottom, methods described also includes：
Set up hydrops amount database, the hydrops amount database include hydrops amount information and with the product
The corresponding standard deviation of liquid measure information；
It is described according to the standard deviation, determining the hydrops amount at natural gas well bottom includes：
Search hydrops amount information corresponding with the standard deviation in the hydrops amount database；
Hydrops amount of the hydrops amount that will be found out as the natural gas well bottom.
5. a kind of foaming agent supply control system, it is characterised in that including control device, determining device,
Computing device, the first pressure sensor for being arranged on sleeve pipe or oil pipe exit, described sleeve pipe or oil
Pipe is connected with the natural gas well bottom；The first pressure sensor is used to measure described sleeve pipe or oil pipe
The pressure in exit, and the pressure information is sent to the computing device；
The computing device is used to calculate the standard deviation of the pressure, and the standard deviation is sent
To the determining device；The determining device is used for according to the standard deviation, determines the natural gas well
The hydrops amount at bottom, and the hydrops amount information is sent to the control device；The control device is used for
According to the hydrops amount, the supply of foaming agent is controlled.
6. system according to claim 5, it is characterised in that the control device is used to find out
Foaming agent supply rule corresponding with the hydrops amount in foaming agent supply rule database, and according to described
Foaming agent supply rule, controls the supply valve of foaming agent.
7. a kind of foaming agent supply control method, it is characterised in that methods described includes：
Measure the pressure in the sleeve pipe or oil pipe exit connected with natural gas well bottom；
Calculate the standard deviation of the pressure；
According to the standard deviation, the hydrops amount at natural gas well bottom is determined；
According to the hydrops amount, the supply of foaming agent is controlled.
8. method according to claim 7, it is characterised in that according to the hydrops amount, control
Before the supply of foaming agent, methods described also includes：
Foaming agent supply rule database is set up, the foaming agent supply rule database includes hydrops amount
Information and foaming agent corresponding with hydrops amount information supply rule；
It is described according to the hydrops amount, controlling the supply of foaming agent includes：
Find out foaming agent supply rule corresponding with the hydrops amount in the foaming agent supply rule database
Then；
Rule is supplied according to the foaming agent for finding out, the supply valve of foaming agent is controlled.
9. a kind of gas pipeline hydrops amount determines system, it is characterised in that including determining device, calculate dress
Put and be arranged on the second pressure sensor on gas pipeline；The second pressure sensor is used to detect
Pressure information on gas pipeline, and the pressure information is sent to the computing device；
The computing device is used to calculate the standard deviation of the pressure, and the standard deviation is sent
To the determining device；The determining device is used for according to the standard deviation, determines the gas pipeline
In hydrops amount.
10. a kind of gas pipeline hydrops amount determines method, it is characterised in that methods described includes：
Pressure on detection gas pipeline；
Calculate the standard deviation of the pressure；
According to the standard deviation, the hydrops amount of the gas pipeline is determined.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511008726.0A CN106917624A (en) | 2015-12-25 | 2015-12-25 | Shaft bottom, the determination of gas pipeline hydrops amount, foaming agent supply control system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511008726.0A CN106917624A (en) | 2015-12-25 | 2015-12-25 | Shaft bottom, the determination of gas pipeline hydrops amount, foaming agent supply control system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630231A (en) * | 2019-10-10 | 2019-12-31 | 新疆科力新技术发展股份有限公司 | Full-automatic foam drainage gas production device and foam drainage gas production method |
| CN111059473A (en) * | 2019-12-27 | 2020-04-24 | 北京中海沃邦能源投资有限公司 | Method for discharging accumulated liquid in natural gas gathering and transportation pipeline network |
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| US3834227A (en) * | 1973-05-02 | 1974-09-10 | Shell Oil Co | Method for determining liquid production from a well |
| CN102296943A (en) * | 2011-07-29 | 2011-12-28 | 中国石油天然气股份有限公司 | Plunger tool for gas recovery by liquid drainage in gas wells |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110630231A (en) * | 2019-10-10 | 2019-12-31 | 新疆科力新技术发展股份有限公司 | Full-automatic foam drainage gas production device and foam drainage gas production method |
| CN111059473A (en) * | 2019-12-27 | 2020-04-24 | 北京中海沃邦能源投资有限公司 | Method for discharging accumulated liquid in natural gas gathering and transportation pipeline network |
| CN111059473B (en) * | 2019-12-27 | 2021-09-03 | 北京中海沃邦能源投资有限公司 | Method for discharging accumulated liquid in natural gas gathering and transportation pipeline network |
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