CN109798451A - The determination method of oil-gas gathering and transferring pipeline leak position - Google Patents

The determination method of oil-gas gathering and transferring pipeline leak position Download PDF

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CN109798451A
CN109798451A CN201711136490.8A CN201711136490A CN109798451A CN 109798451 A CN109798451 A CN 109798451A CN 201711136490 A CN201711136490 A CN 201711136490A CN 109798451 A CN109798451 A CN 109798451A
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range
leakage
oil
gas gathering
leak
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CN201711136490.8A
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CN109798451B (en
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任桂山
徐国安
孙凯
陈学梅
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中国石油天然气股份有限公司
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Abstract

The invention discloses a kind of determination methods of oil-gas gathering and transferring pipeline leak position, belong to oil gas field engineering field of automation technology.The determination method of the oil-gas gathering and transferring pipeline leak position is by obtaining the negative pressure wave signal at first and last station and the Potential distribution curve of multiple cathodic protection potentials on oil-gas gathering and transferring pipeline, determine the first leakage range and the second leakage range, according to the first leakage range and the second leakage range to determine that third leaks range, and then construction personnel directly can leak the leak position that range determines oil-gas gathering and transferring pipeline according to third, in conjunction with negative pressure wave technology and cathodic protection potential technology, realize the accurate determination to oil-gas gathering and transferring pipeline leak position, improve the accuracy of positioning, convenient for finding the leak position of oil-gas gathering and transferring pipeline in time.

Description

The determination method of oil-gas gathering and transferring pipeline leak position
Technical field
The invention belongs to oil gas field engineering field of automation technology, in particular to a kind of oil-gas gathering and transferring pipeline leak position Determine method.
Background technique
The lifeline that gathering line is produced as oil field, safe operation is most important, if conduit running abnormal state, Such as it perforates, it will a series of adverse consequences such as crude oil (natural gas) leakage, environmental pollution are caused, and for gathering line Line walking, stop production, speedily carry out rescue work, leak repairing, need to employ a tremendous amount of manpower material resources, take a significant amount of time.Therefore, oil-gas gathering and transferring pipeline is carried out Real-time monitoring, rapidly and accurately judge leak position, handle emergency event in time, loss be preferably minimized, have Important realistic meaning.
Common technology mostly determines the leakage position of oil-gas gathering and transferring pipeline using suction wave or infrasonic sound wave technology at present, passes through Pressure sensor or infrasonic sensor are set on pipeline, utilize the pressure signal or infrasonic sensor of pressure sensor Infrasound signal analyze determine oil-gas gathering and transferring pipeline leak position.
In the implementation of the present invention, the inventors discovered that in the prior art the prior art has at least the following problems:
The existing method for determining oil-gas gathering and transferring pipeline leak position using suction wave or infrasonic sound wave technology, determines leak position Process duration, and at the scene under the execution conditions in field, pressure signal or infrasound pickup electrode are made vulnerable to external interference At the position inaccurate measured, working efficiency is influenced, increases production cost.
Summary of the invention
In consideration of it, the present invention provides a kind of determination method of oil-gas gathering and transferring pipeline leak position, to accurately determine oil The leak position of gas gathering line.
Specifically, including technical solution below:
A kind of determination method of oil-gas gathering and transferring pipeline leak position, which comprises
Obtain the negative pressure wave signal of the initial station of oil-gas gathering and transferring pipeline and the negative pressure wave signal of terminal;
According to the negative pressure wave signal of the negative pressure wave signal of the initial station and the terminal, the first leakage point position is determined;
According to first leakage point position, the first leakage range is determined;
Obtain the Potential distribution curve for the multiple cathodic protection potentials being arranged on the oil-gas gathering and transferring pipeline;
According to the Potential distribution curve, the second leakage range is determined;
According to the first leakage range and the second leakage range, determine that third leaks range.
Further, the calculation formula of the first leakage range are as follows:
S1'=L1- L*1%
S1"=L1+ L*1%
In formula: S1' it is the described first the first boundary value for leaking range, unit m;S1" it is the first leakage range The second boundary value, unit m;L1For first leakage point position, unit m;L is duct length, unit m.
Further, described according to the first leakage range and the second leakage range, determine that third leaks range It specifically include: to judge the first leakage range whether in the second leakage range, if the first leakage range In the second leakage range, then the first leakage range is that the third leaks range;If the first leakage model It encloses not in the second leakage range, then the intersection of the first leakage range and the second leakage range is the third Leak range.
Further, described according to first leakage point position, before determining the first leakage range, the method is also wrapped It includes: obtaining the infrasound signal of the initial station of oil-gas gathering and transferring pipeline and the infrasound signal of terminal.
Further, it is described obtain oil-gas gathering and transferring pipeline initial station infrasound signal and terminal infrasound signal it Afterwards, the method also includes: according to the infrasound signal of the infrasound signal of the initial station and the terminal, determine the second leakage Point position.
Further, described according to the infrasound signal of the initial station and the infrasound signal of the terminal, determine second After leakage point position, the method also includes: according to first leakage point position and second leakage point position, obtain Third leakage point position.
Further, the calculation formula of third leakage point position are as follows:
L3=L1+(L2-L1) * 10%
In formula: L3For third leakage point position, unit m;L2For second leakage point position, unit m.
Further, the method also includes: according to third leakage point position, determine the 4th leakage range.
Further, described according to third leakage point position, after determining the 4th leakage range, the method Further include: according to the 4th leakage range and the second leakage range, determine the third leakage range.
Further, the calculation formula of the 4th leakage range are as follows:
S4'=L3- L*0.5%
S4"=L3+ L*0.5%
In formula: S4' it is the described 4th the first boundary value for leaking range, unit m;S4" it is the 4th leakage range The second boundary value, unit m.
Technical solution provided in an embodiment of the present invention the utility model has the advantages that
A kind of determination method of oil-gas gathering and transferring pipeline leak position provided in an embodiment of the present invention is by obtaining oil-gas gathering and transportation The Potential distribution curve of the negative pressure wave signal at first and last station and multiple cathodic protection potentials on pipeline determines the first leakage range and Two leakage ranges, according to the first leakage range and the second leakage range to determine that third leaks range, and then construction personnel can be with The leak position that range determines oil-gas gathering and transferring pipeline is directly leaked according to third, in conjunction with negative pressure wave technology and cathodic protection potential skill Art realizes the accurate determination to oil-gas gathering and transferring pipeline leak position, the accuracy of positioning is improved, convenient for finding oil gas in time The leak position of gathering line.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is a kind of method flow of the determination method for oil-gas gathering and transferring pipeline leak position that the embodiment of the present invention one provides Figure;
Fig. 2 is a kind of method flow of the determination method of oil-gas gathering and transferring pipeline leak position provided by Embodiment 2 of the present invention Figure.
Specific embodiment
To keep technical solution of the present invention and advantage clearer, below in conjunction with attached drawing to embodiment of the present invention make into One step it is described in detail.
Embodiment one
A kind of determination method of oil-gas gathering and transferring pipeline leak position provided in an embodiment of the present invention is with laboratory test pipeline Example, wherein the length L of pipeline is 362.3m, and tubing is 304 stainless steels, and transmission medium is water, and medium temperature is room temperature (20 DEG C), method flow diagram as shown in Figure 1, this method comprises:
Step 101: obtaining the negative pressure wave signal of the initial station of oil-gas gathering and transferring pipeline and the negative pressure wave signal of terminal.
Before this step, by the way that first pressure sensor is arranged in the initial station of oil-gas gathering and transferring pipeline, in oil-gas gathering and transportation pipe Second pressure sensor is arranged in the terminal in road.
Suction wave can be generated if the somewhere of oil-gas gathering and transferring pipeline leaks, at this, suction wave is from leakage place to unofficial biography It broadcasts, when traveling to the initial station of pipeline, first pressure sensor acquires pressure signal, and is identified by remote-terminal unit RTU Initial station negative pressure wave signal;When traveling to the terminal of pipeline, second pressure sensor acquires pressure signal, and passes through remote terminal Unit R TU identifies terminal negative pressure wave signal.
Step 102: according to the negative pressure wave signal of the negative pressure wave signal of initial station and terminal, determining the first leakage point position.
Specifically, remote-terminal unit RTU is after the negative pressure wave signal of the negative pressure wave signal and terminal that receive initial station, benefit With Wavelet Modulus Maxima inflection point detection method, the first time node and terminal occurred in the negative pressure wave signal of initial station is detected The second timing node occurred in negative pressure wave signal, makes the difference first time node and the second timing node, obtains the response time Difference, time difference, duct length and negative pressure velocity of wave propagation, determine the first leakage point on oil-gas gathering and transferring pipeline according to response It sets.
The calculation formula of first leakage point position are as follows:
In formula: L1For the first leakage point position, unit m;L is duct length, unit m;α is suction wave transmitting speed Degree, unit m/s;V is fluid flow rate, unit m/s;Δ t=t2-t1, wherein t2For the second timing node;t1When being first Intermediate node.
In embodiments of the present invention, with two leakage point X1And X2For, it is obtained by calculation: X1First leakage point It is set to 91.213m;X2The first leakage point position be 169.232m.
Step 103: according to the first leakage point position, determining the first leakage range.
Specifically, the calculation formula of the first leakage range are as follows:
S1'=L1- L*1%
S1"=L1+ L*1%
In formula: S1' it is the first the first boundary value for leaking range, unit m;S1" it is the first the second side for leaking range Boundary's value, unit m;L1For the first leakage point position, unit m;L is duct length, unit m.
By calculating it is found that in embodiments of the present invention, X1First leakage range the first boundary value S1' be 87.59m X1First leakage range the second boundary value S1" it is 94.836m, i.e., for point X1For, 87.59m < S1< 94.836m;X2First leakage range the first boundary value S1' it is 165.609m, X1First leakage range the second boundary Value S1" it is 172.855m, i.e., for point X2For, 165.609m < S1<172.855m。
Step 104: obtaining the Potential distribution curve for the multiple cathodic protection potentials being arranged on oil-gas gathering and transferring pipeline.
Before this step, multiple cathodic protection potential test piles are set along oil-gas gathering and transferring pipeline.
It should be noted that the electrical potential information of cathodic protection potential test pile is wirelessly transferred by GPRS.
Specifically, its electric potential signal can be transferred to remote-terminal unit RTU by each cathodic protection potential test pile, far The electric potential signal of multiple cathodic protection potentials is generated Potential distribution curve by journey terminal unit RTU.
Step 105: according to Potential distribution curve, determining the second leakage range.
It should be noted that size and two adjacent cathodes using the second determining leakage range of cathodic protection potential The distance dependent set up between protection potential test pile.The distance set up between two adjacent cathodic protection potential test piles is got over It is small, then illustrate that the range value of the second leakage range is smaller;Conversely, being set up between two adjacent cathodic protection potential test piles Distance it is bigger, then illustrate second leakage range range value it is bigger.
In embodiments of the present invention, the distance between two adjacent cathodic protection potential test piles are 10m, X1Second Leak range S2Value range are as follows: 90m < S2<100m;X2Second leakage range S2Value range are as follows: 160m < S2<170m。
Step 106: according to the first leakage range and the second leakage range, determining that third leaks range.
Specifically, the first leakage range is judged whether in the second leakage range, if the first leakage range is let out second It leaks in range, then the first leakage range is that third leaks range;If the first leakage range does not leak in range second, the The intersection of one leakage range and the second leakage range is that third leaks range.
Third leaks the pipe leakage position that range, that is, construction personnel needs to check confirmation.
In embodiments of the present invention, X1First leakage range of point does not leak in range second, so, the first leakage model Enclosing with the intersection of the second leakage range is that third leaks range, therefore, X1Point third leaks range S3Are as follows: 90m < S3<94.836m。
In embodiments of the present invention, X2First leakage range of point does not also leak in range second, so, the first leakage The intersection of range and the second leakage range is that third leaks range, therefore, X2Point third leaks range S3Are as follows: 165.609m < S3< 170m。
Construction personnel can determine leak position by the oil-gas gathering and transferring pipeline checked within the scope of this.
Indoors in test pipe, the operating pressure that fluid is arranged in construction personnel is 0.2MPa, leakage point X1Reality be Position is 90.5m;Leakage point X2Reality be position be 168.8m.By verifying it can be found that the mean error of positioning is less than 3.6%, illustrate the reasonability of the determination method of oil-gas gathering and transferring pipeline leak position provided in an embodiment of the present invention.
A kind of determination method of oil-gas gathering and transferring pipeline leakage device provided in an embodiment of the present invention is by obtaining oil-gas gathering and transportation The Potential distribution curve of the negative pressure wave signal at first and last station and multiple cathodic protection potentials on pipeline determines the first leakage range and Two leakage ranges, according to the first leakage range and the second leakage range to determine that third leaks range, and then construction personnel can be with The leak position that range determines oil-gas gathering and transferring pipeline is directly leaked according to third, in conjunction with negative pressure wave technology and cathodic protection potential skill Art realizes the accurate determination to oil-gas gathering and transferring pipeline leak position, the accuracy of positioning is improved, convenient for finding oil gas in time The leak position of gathering line.
Embodiment two
The determination method of a kind of oil-gas gathering and transferring pipeline leak position provided in an embodiment of the present invention, equally with laboratory test pipe For road, wherein the length L of pipeline is 362.3m, and tubing is 304 stainless steels, and transmission medium is water, and medium temperature is room temperature (20 DEG C), method flow diagram as shown in Fig. 2, this method comprises:
Step 101: obtaining the negative pressure wave signal of the initial station of oil-gas gathering and transferring pipeline and the negative pressure wave signal of terminal.
Before this step, by the way that first pressure sensor is arranged in the initial station of oil-gas gathering and transferring pipeline, in oil-gas gathering and transportation pipe Second pressure sensor is arranged in the terminal in road.
Suction wave can be generated if the somewhere of oil-gas gathering and transferring pipeline leaks, at this, suction wave is from leakage place to unofficial biography It broadcasts, when traveling to the initial station of pipeline, first pressure sensor acquires pressure signal, and is identified by remote-terminal unit RTU Initial station negative pressure wave signal;When traveling to the terminal of pipeline, second pressure sensor acquires pressure signal, and passes through remote terminal Unit R TU identifies terminal negative pressure wave signal.
Step 102: according to the negative pressure wave signal of the negative pressure wave signal of initial station and terminal, determining the first leakage point position.
Specifically, remote-terminal unit RTU is after the negative pressure wave signal of the negative pressure wave signal and terminal that receive initial station, benefit With Wavelet Modulus Maxima inflection point detection method, the first time node and terminal occurred in the negative pressure wave signal of initial station is detected The second timing node occurred in negative pressure wave signal, makes the difference first time node and the second timing node, obtains the first response Time difference,
According to the first response time is poor, duct length and negative pressure velocity of wave propagation, first on oil-gas gathering and transferring pipeline is determined Leakage point position.
The calculation formula of first leakage point position are as follows:
In formula: L1For the first leakage point position, unit m;L is duct length, unit m;α is suction wave transmitting speed Degree, unit m/s;V is fluid flow rate, unit m/s;Δ t is that the first response time is poor, unit s, wherein Δ t1=t2- t1, t2For the second timing node;t1For first time node.
In embodiments of the present invention, with two leakage point X1And X2For, it is obtained by calculation: X1First leakage point It is set to 90.472m;X2The first leakage point position be 169.018m.
Step 103: obtaining the infrasound signal of the initial station of oil-gas gathering and transferring pipeline and the infrasound signal of terminal.
Before this step, by the way that first sound sensor is arranged in the initial station of oil-gas gathering and transferring pipeline, in oil-gas gathering and transportation The second infrasonic sensor is arranged in the terminal of pipeline.
Infrasound signal can be generated if the somewhere of oil-gas gathering and transferring pipeline leaks, at this, as the head for traveling to pipeline When standing, the first sonic sensor acquires infrasound signal, and identifies initial station infrasound signal by remote-terminal unit RTU;When When traveling to the terminal of pipeline, the second sonic sensor acquires infrasound signal, and identifies terminal by remote-terminal unit RTU Infrasound signal.
Step 104: according to the infrasound signal of the infrasound signal of initial station and terminal, determining the second leakage point position.
Specifically, remote-terminal unit RTU is after the infrasound signal of the infrasound signal and terminal that receive initial station, benefit With correlation time-delay estimate theoretical method, the infrasonic sound of the third timing node and terminal that occur in the infrasound signal of initial station is detected The 4th timing node occurred in wave signal, makes the difference third timing node and the 4th timing node, obtains for the second response time Difference.
The calculation formula of second leakage point position are as follows:
In formula: L2For the second leakage point position, unit m;Δt2=t4-t3, wherein t4 is the 4th timing node;t3For Third timing node.
In embodiments of the present invention, X is obtained by calculation1The second leakage point position be 90.813m;X2Second leakage Point is set to 167.806m.
Step 105: according to the first leakage point position and the second leakage point position, obtaining third leakage point position.
Specifically, the calculation formula of third leakage point position are as follows:
L3=L1+(L2-L1) * 10%
In formula: L3For third leakage point position, unit m;L2For the second leakage point position, unit m.
In embodiments of the present invention, by above-mentioned X1And X2The position of first leakage point of point and the position generation of the second leakage point Enter into above-mentioned formula, is calculated, X1Third leakage point position be 90.506m;X2The position of third leakage point be 168.412m。
Step 106: according to third leakage point position, determining the 4th leakage range.
Specifically, the calculation formula of the 4th leakage range are as follows:
S4'=L3- L*0.5%
S4"=L3+ L*0.5%
In formula: S4' it is the 4th the first boundary value for leaking range, unit m;S4" it is the 4th the second side for leaking range Boundary's value, unit m.
By calculating it is found that in embodiments of the present invention, X1The 4th leakage range the first boundary value S4' be 88.695m X1The 4th leakage range the second boundary value S4" it is 92.317m, i.e., for point X1For, 88.695m < S4 <92.317m;X2The 4th leakage range the first boundary value S4' it is 166.6m, X1The 4th leakage range the second boundary Value S4" it is 170.223m, i.e., for point X2For, 166.6m < S4<170.223m。
Step 107: obtaining the Potential distribution curve for the multiple cathodic protection potentials being arranged on oil-gas gathering and transferring pipeline.
Before this step, multiple cathodic protection potential test piles are set along oil-gas gathering and transferring pipeline.
It should be noted that the electrical potential information of cathodic protection potential test pile is wirelessly transferred by GPRS.
Specifically, its electric potential signal can be transferred to remote-terminal unit RTU by each cathodic protection potential test pile, far The electric potential signal of multiple cathodic protection potentials is generated Potential distribution curve by journey terminal unit RTU.
Step 108: according to Potential distribution curve, determining the second leakage range.
It should be noted that size and two adjacent cathodes using the second determining leakage range of cathodic protection potential The distance dependent set up between protection potential test pile.The distance set up between two adjacent cathodic protection potential test piles is got over It is small, then illustrate that the range value of the second leakage range is smaller;Conversely, being set up between two adjacent cathodic protection potential test piles Distance it is bigger, then illustrate second leakage range range value it is bigger.
In embodiments of the present invention, the distance between two adjacent cathodic protection potential test piles are 10m, X1Second Leak range S2Value range are as follows: 90m < S2<100m;X2Second leakage range S2Value range are as follows: 160m < S2<170m。
Step 109: according to the 4th leakage range and the second leakage range, determining that third leaks range.
Specifically, the 4th leakage range is judged whether in the second leakage range, if the 4th leakage range is let out second It leaks in range, then the 4th leakage range is that third leaks range;If the 4th leakage range does not leak in range second, the The intersection of four leakage ranges and the second leakage range is that third leaks range.
Third leaks the pipe leakage position that range, that is, construction personnel needs to check confirmation.
In embodiments of the present invention, X14th leakage range of point does not leak in range second, so, the 4th leakage model Enclosing with the intersection of the second leakage range is that third leaks range, and therefore, third leaks range S3Are as follows: 90m < S3<92.317m;
In embodiments of the present invention, X24th leakage range of point does not also leak in range second, so, the 4th leakage The intersection of range and the second leakage range is that third leaks range, and therefore, third leaks range S3Are as follows: 166.6m < S3<170m。
Construction personnel can determine leak position by the oil-gas gathering and transferring pipeline checked within the scope of this.
Indoors in test pipe, the operating pressure that fluid is arranged in construction personnel is 0.331MPa, leakage point X1Reality It is 90.5m, leakage point X for position2Reality be position be 168.8m, by verifying it can be found that the mean error of positioning is small In 1%, illustrate the reasonability of the determination method of oil-gas gathering and transferring pipeline leak position provided in an embodiment of the present invention.
A kind of determination method of oil-gas gathering and transferring pipeline leakage device provided in an embodiment of the present invention is by obtaining oil-gas gathering and transportation The Potential distribution curve of the negative pressure wave signal at first and last station, infrasound signal and multiple cathodic protection potentials, determines the 4th on pipeline Range and the second leakage range are leaked, according to the 4th leakage range and the second leakage range to determine that third leaks range, in turn Construction personnel directly can leak range according to third and determine the leak position of oil-gas gathering and transferring pipeline, in conjunction with negative pressure wave technology, secondary Technology of acoustic wave and cathodic protection potential technology realize the accurate determination to oil-gas gathering and transferring pipeline leak position, improve positioning Accuracy, convenient for finding the leak position of oil-gas gathering and transferring pipeline in time.
The above is merely for convenience of it will be understood by those skilled in the art that technical solution of the present invention, not to limit The present invention.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this Within the protection scope of invention.

Claims (10)

1. a kind of determination method of oil-gas gathering and transferring pipeline leak position, which is characterized in that the described method includes:
Obtain the negative pressure wave signal of the initial station of oil-gas gathering and transferring pipeline and the negative pressure wave signal of terminal;
According to the negative pressure wave signal of the negative pressure wave signal of the initial station and the terminal, the first leakage point position is determined;
According to first leakage point position, the first leakage range is determined;
Obtain the Potential distribution curve for the multiple cathodic protection potentials being arranged on the oil-gas gathering and transferring pipeline;
According to the Potential distribution curve, the second leakage range is determined;
According to the first leakage range and the second leakage range, determine that third leaks range.
2. the determination method of oil-gas gathering and transferring pipeline leak position according to claim 1, which is characterized in that described first lets out Leak the calculation formula of range are as follows:
S1'=L1- L*1%
S1"=L1+ L*1%
In formula: S1' it is the described first the first boundary value for leaking range, unit m;S1" it is the of the first leakage range Two boundary values, unit m;L1For first leakage point position, unit m;L is duct length, unit m.
3. the determination method of oil-gas gathering and transferring pipeline leak position according to claim 1, which is characterized in that described according to institute The first leakage range and the second leakage range are stated, determines that third leakage range specifically includes: to judge first leakage Whether range is in the second leakage range, described if the first leakage range is in the second leakage range First leakage range is that the third leaks range;If the first leakage range does not leak in range described second, The intersection of the first leakage range and the second leakage range is that the third leaks range.
4. the determination method of oil-gas gathering and transferring pipeline leak position according to claim 1, which is characterized in that described according to institute The first leakage point position is stated, before determining the first leakage range, the method also includes: obtain the initial station of oil-gas gathering and transferring pipeline The infrasound signal of infrasound signal and terminal.
5. the determination method of oil-gas gathering and transferring pipeline leak position according to claim 4, which is characterized in that the acquisition oil After the infrasound signal of the initial station of gas gathering line and the infrasound signal of terminal, the method also includes: according to the head The infrasound signal of the infrasound signal and the terminal stood determines the second leakage point position.
6. the determination method of oil-gas gathering and transferring pipeline leak position according to claim 5, which is characterized in that described according to institute The infrasound signal of initial station and the infrasound signal of the terminal are stated, after determining the second leakage point position, the method is also wrapped It includes: according to first leakage point position and second leakage point position, obtaining third leakage point position.
7. the determination method of oil-gas gathering and transferring pipeline leak position according to claim 6, which is characterized in that the third is let out The calculation formula of leak source position are as follows:
L3=L1+(L2-L1) * 10%
In formula: L3For third leakage point position, unit m;L2For second leakage point position, unit m.
8. the determination method of oil-gas gathering and transferring pipeline leak position according to claim 6, which is characterized in that described according to institute The first leakage point position and second leakage point position are stated, after obtaining third leakage point position, the method also includes: root According to third leakage point position, the 4th leakage range is determined.
9. the determination method of oil-gas gathering and transferring pipeline leak position according to claim 8, which is characterized in that the method is also It include: that the third leakage range is determined according to the 4th leakage range and the second leakage range.
10. the determination method of oil-gas gathering and transferring pipeline leak position according to claim 8, which is characterized in that the described 4th Leak the calculation formula of range are as follows:
S4'=L3- L*0.5%
S4"=L3+ L*0.5%
In formula: S4' it is the described 4th the first boundary value for leaking range, unit m;S4" it is the of the 4th leakage range Two boundary values, unit m.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110617405A (en) * 2019-06-20 2019-12-27 安徽理工大学 Gas pipeline leakage monitoring and positioning system

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001090900A (en) * 1999-09-24 2001-04-03 Nkk Corp Method and device for detecting position of foreign matter in liquid transporting pipeline
CN1321846A (en) * 2001-05-31 2001-11-14 胜利油田胜通新科技开发中心 Transportation pipeline leakage monitoring and locating method and system
CN101016975A (en) * 2007-02-09 2007-08-15 郑州大学 On-line testing method for gas oil pipe leakage based on orienting suction wave identification technology
CN101255952A (en) * 2007-03-01 2008-09-03 中国石油天然气股份有限公司 Test system for monitoring pipe leakage and early warning safety
CN101968162A (en) * 2010-09-30 2011-02-09 东北大学 Pipeline leakage positioning system and method based on collaborative detection with negative pressure wave and sound wave
CN102021584A (en) * 2010-07-20 2011-04-20 中石油北京天然气管道有限公司 Pipe transmission oriented cathode protection system
CN202549042U (en) * 2012-02-21 2012-11-21 西南石油大学 Remote monitoring device for realizing high sulfur-containing gas field production through utilizing satellite communications
CN203147291U (en) * 2013-03-27 2013-08-21 黄鹏 System capable of monitoring pipeline leakage by means of infrasonic waves, flow balance and negative pressure waves
CN103849880A (en) * 2014-03-12 2014-06-11 西安石油大学 Pulse width modulation based cathode protection method and protector thereof
CN104674229A (en) * 2015-03-06 2015-06-03 中国石化管道储运有限公司 Intelligent remote monitoring and regulating system for cathode protection of underground pipelines
CN204702807U (en) * 2015-03-06 2015-10-14 中国石化管道储运有限公司 The intelligent remote monitoring regulator control system of underground utilities galvanic protection
CN105425752A (en) * 2015-12-16 2016-03-23 天津市奥朗新能源科技有限公司 Real-time monitoring system of pipe network and working method of same

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001090900A (en) * 1999-09-24 2001-04-03 Nkk Corp Method and device for detecting position of foreign matter in liquid transporting pipeline
CN1321846A (en) * 2001-05-31 2001-11-14 胜利油田胜通新科技开发中心 Transportation pipeline leakage monitoring and locating method and system
CN101016975A (en) * 2007-02-09 2007-08-15 郑州大学 On-line testing method for gas oil pipe leakage based on orienting suction wave identification technology
CN101255952A (en) * 2007-03-01 2008-09-03 中国石油天然气股份有限公司 Test system for monitoring pipe leakage and early warning safety
CN102021584A (en) * 2010-07-20 2011-04-20 中石油北京天然气管道有限公司 Pipe transmission oriented cathode protection system
CN101968162A (en) * 2010-09-30 2011-02-09 东北大学 Pipeline leakage positioning system and method based on collaborative detection with negative pressure wave and sound wave
CN202549042U (en) * 2012-02-21 2012-11-21 西南石油大学 Remote monitoring device for realizing high sulfur-containing gas field production through utilizing satellite communications
CN203147291U (en) * 2013-03-27 2013-08-21 黄鹏 System capable of monitoring pipeline leakage by means of infrasonic waves, flow balance and negative pressure waves
CN103849880A (en) * 2014-03-12 2014-06-11 西安石油大学 Pulse width modulation based cathode protection method and protector thereof
CN104674229A (en) * 2015-03-06 2015-06-03 中国石化管道储运有限公司 Intelligent remote monitoring and regulating system for cathode protection of underground pipelines
CN204702807U (en) * 2015-03-06 2015-10-14 中国石化管道储运有限公司 The intelligent remote monitoring regulator control system of underground utilities galvanic protection
CN105425752A (en) * 2015-12-16 2016-03-23 天津市奥朗新能源科技有限公司 Real-time monitoring system of pipe network and working method of same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110617405A (en) * 2019-06-20 2019-12-27 安徽理工大学 Gas pipeline leakage monitoring and positioning system

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