CN110006955A - It is a kind of for detecting the detection device of sand content in oil-gas pipeline - Google Patents
It is a kind of for detecting the detection device of sand content in oil-gas pipeline Download PDFInfo
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- CN110006955A CN110006955A CN201910330921.7A CN201910330921A CN110006955A CN 110006955 A CN110006955 A CN 110006955A CN 201910330921 A CN201910330921 A CN 201910330921A CN 110006955 A CN110006955 A CN 110006955A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/08—Measuring resistance by measuring both voltage and current
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Abstract
The present invention provides a kind of for detecting the detection device of sand content in oil-gas pipeline.The detection device includes electric wire and detection device ontology, and the inside of oil-gas pipeline is arranged in detection device ontology, and the through-hole through side table wall is offered on the side table wall of oil-gas pipeline, and electric wire passes through through-hole and is electrically connected with detection device ontology.Detection device ontology includes at least one circular arc ontology, and circular arc ontology is tightly attached on the inner sidewall of oil-gas pipeline, and detection device ontology further includes at least one along the straight line ontology that oil-gas pipeline cross section is tangential or is arranged radially.The detection device increases the area of detection of detection device ontology, available more accurate testing result compared with existing detection device.
Description
Technical field
The invention belongs to oil-gas pipeline detection device technology fields, are specifically related to a kind of husky in oil-gas pipeline for detecting
The detection device of sub- content.
Background technique
Sand is very common in production of hydrocarbons pipeline, and the erosion of sand be the main reason for causing pipeline breaking it
One, therefore, the detection of sand is very important in production of hydrocarbons.Existing detection device is based primarily upon three kinds of principles:
Based on technology of acoustic wave.The husky equipment of such inspection is mounted on pipeline external, collides inside pipe wall generation to detect sand
Sound wave.Due to the interference of various noises, such equipment is suitable for continuing to monitor for larger amount of sand.
Based on ultrasonic technology.Such equipment is also mounted in pipeline external, is surveyed to pipe thickness using ultrasonic wave
Amount, is monitored so that the tube wall caused by sand erosion is thinning.Common spot measurement equipment is not easily installed at correctly
Position (tube wall thinnest part, newest multimetering equipment can effectively avoid this defect).Generally speaking, monitoring ultrasonic equipment
Precision it is limited.
Resistance characteristic based on element.The detecting element of such equipment is directly contacted with gas stream, and sand is in detecting element
The erosion that surface generates can change the resistance characteristic of element, counter can release weight eroded by the change of monitoring element resistance, this
The main advantage of class equipment is exactly measurement accuracy height.Installation method currently based on the detection device of component resistance characteristic is one
A columnar detection device of roundlet is deep into inside pipeline, and detecting element is arranged in cylindrical body to the direction for seeing fluid flowing.It takes
Fluid direct collision with sand causes erosion to detecting element to be detected.The shortcomings that such detection device be and oil
Air flow contacts area is too small, and testing result depends critically upon the homogeneous state distribution of the grains of sand in a fluid, therefore its ideal mounting point exists
The downstream (because fluid and the grains of sand are sufficiently mixed after throttle valve) of throttle valve.If installation site is improper, a large amount of grains of sand
It is likely to form grains of sand beam, detecting element is bypassed, to not be detected.
Summary of the invention
The object of the present invention is to provide it is a kind of be capable of increasing area of detection for detecting sand content in oil-gas pipeline
Detection device.
In order to achieve the above purpose, detection device provided by the invention includes electric wire and detection device ontology, detection dress
The inside that oil-gas pipeline is arranged in ontology is set, the through-hole through side table wall is offered on the side table wall of oil-gas pipeline, is detecting
Anode and cathode are provided in device noumenon, electric wire includes electrode line and negative line, electrode line and anode electrical connection, negative line and
Cathode electrical connection, detection device ontology includes at least one circular arc ontology, and circular arc ontology is tightly attached on the inner sidewall of oil-gas pipeline,
Detection device ontology further includes at least one along the straight line ontology that oil-gas pipeline cross section is tangential or is arranged radially.
By above scheme as it can be seen that detection device ontology includes at least one circular arc ontology, circular arc ontology is tightly attached to Oil/Gas Pipe
It on the inner sidewall in road, plays a supportive role, prevents detection device ontology from falling due to self weight or oil gas impact.Detection device
Ontology further includes at least one along the straight line ontology that oil-gas pipeline cross section is tangential or is arranged radially, and straight line ontology is arranged in oil gas
The center of pipeline, can increase the area of detection of detection device ontology in this way, to obtain more accurate testing result, be convenient for
The maintenance and replacement of oil-gas pipeline.
Preferably, the quantity of straight line ontology is two or more.
Further embodiment is multiple straight line ontology being arranged circumferentially along detection device ontology.
Further scheme is, detection device ontology may include the first circular arc ontology, the second circular arc ontology, first straight
Line ontology, third circular arc ontology, second straight line ontology, the 4th circular arc ontology, the 5th circular arc ontology, the 6th circular arc ontology, third
Straight line ontology, the first circular arc ontology, circular arc ontology, first straight line ontology, third circular arc ontology, second straight line ontology, the 4th circle
Arc ontology, the 5th circular arc ontology, the 6th circular arc ontology, third straight line ontology are sequentially connected end to end in turn.
Further scheme is, first straight line ontology, second straight line ontology, any two straight line in third straight line ontology
Angle between the axis of ontology is 120 °.
In the above scheme, the first circular arc ontology, the second circular arc ontology, the 5th circular arc ontology, the 6th circular arc ontology and oil
Cooperation between feed channel inner sidewall is interference fit, and circular arc ontology aforementioned four so is just tightly fitted in oil-gas pipeline
On side wall, so that entire detection device ontology is tightly fitted on oil-gas pipeline inner sidewall, it will not be because of self weight or oil gas punching
Brush causes to fall.Three straight line ontologies realize evenly distributed in oil-gas pipeline center, and such detection device ontology can both be examined
The grains of sand beam close to oil-gas pipeline inner sidewall is measured, the grains of sand beam close to oil-gas pipeline center is may also detect that, thus may be used
To improve the detection accuracy for oil-gas pipeline inside sand content, more accurate testing result is obtained.
Further embodiment is that detection device ontology is made of intellectual material.
Further scheme is that intellectual material can be light alloy, high molecular material or semiconductor material.
In the above scheme, detection device ontology is made of intellectual material, and intellectual material is very quick for the variation of resistance value
Sense, when sand detection device body surface generate erosion when, the variation of detection device ontology resistance value can be caused.Using intelligent material
The change in resistance that material production detection device ontology can allow detection device ontology to generate is obvious, to be more easily detected.
Further scheme is that the anode of electrode line self-test device ontology extends outwardly, and passes through through-hole and power supply electricity
Connection.
Further scheme is that the cathode of negative line self-test device ontology extends outwardly, and passes through through-hole and power supply electricity
Connection.
Further scheme is that detection device includes ammeter, and ammeter is connected in series in detection device ontology and electricity
In the circuit of source composition.
In the above scheme, detection device ontology can be regarded as a resistive element, be arranged on this resistive element
There are anode and cathode, anode is electrically connected to a power source by electrode line, and cathode is electrically connected to a power source by negative line, and power supply is the electricity
Resistance element power supply.Resistive element is made of intellectual material, can be right when carrying the oil gas direct collision of sand to the resistive element
Resistive element generates erosion, causes the resistance of resistive element to change, so that the current value in circuit changes
Become, can detecte the variation of current value in circuit by ammeter, resistive element resistance value is calculated by the variation of current value
Variable quantity, by the variable quantity of resistive element resistance value come the anti-weight eroded releasing resistive element and being subject to, and then extrapolate oil gas
The content of sand in pipeline.
Detailed description of the invention
Fig. 1 is detection device embodiment of the present invention along the perspective view perpendicular to paper direction.
Fig. 2 is a kind of structure chart of detection device body embodiments of the present invention.
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific embodiment
Referring to Fig. 1, the detection device of the present embodiment includes electric wire and detection device ontology 1, and the setting of detection device ontology 1 exists
The inside of oil-gas pipeline 2 offers the through-hole 3 through side table wall, in detection device ontology 1 on the side table wall of oil-gas pipeline 2
On be provided with anode and cathode, electric wire includes electrode line 4 and negative line 5, electrode line 4 and anode electrical connection, negative line 5 and cathode
Electrical connection.The detection device further includes power supply and ammeter.The anode of 4 self-test device ontology 1 of electrode line extends outwardly, and passes through
Through-hole 3 is electrically connected to a power source, and the cathode of 5 self-test device ontology 1 of negative line extends outwardly, and is electrically connected to a power source across through-hole 3.
Ammeter is connected in series in the circuit of detection device ontology 1 and power supply composition.Detection device ontology 1 is fitted tightly over Oil/Gas Pipe
On the inner sidewall in road 1, it can prevent detection device ontology 1 from falling due to self weight or oil gas impact in this way.Detection device
Ontology 1 is set to oil-gas pipeline 2 in the radial direction, can guarantee to the maximum extent in detection device ontology 1 and oil gas in this way
Sand comes into full contact with, so that the area of detection of detection device ontology 1 reaches maximum, to obtain more accurate detection knot
Fruit.
In the present embodiment, detection device ontology 1 includes at least one circular arc ontology, and circular arc ontology is tightly attached to oil-gas pipeline
It on 2 inner sidewall, plays a supporting role, prevents detection device ontology 1 from falling due to self weight or oil gas impact.Detection dress
Setting ontology 1 further includes at least one along the straight line ontology that oil-gas pipeline cross section is tangential or is arranged radially, and the setting of straight line ontology exists
The center of oil-gas pipeline 2, can increase the area of detection of detection device ontology 1 in this way, to obtain more accurate detection knot
Fruit, convenient for the maintenance and replacement of oil-gas pipeline 2.
In the present embodiment, the quantity of straight line ontology is two or more, week of multiple straight line ontologies along detection device ontology
To being evenly arranged, detection device ontology 1 can be made to be able to detect that the grains of sand of the central any position of oil-gas pipeline 2 in this way
Beam.
In the present embodiment, detection device ontology 1 can be as a resistive element, and the resistive element is by intellectual material system
At intellectual material can be light alloy, high molecular material or semiconductor material.Since intellectual material is for resistance
Change very sensitive, when the sand in oil gas collides detection device ontology 1,1 surface of detection device ontology is caused to generate erosion
When, very significant change can occur for the resistance of detection device ontology 1, so that the current value generation in circuit is very significant
Variation, the pointer of such ammeter can occur significantly to deflect, observe convenient for testing staff.
Referring to fig. 2, detection device ontology 1 includes the first circular arc ontology 11, the second circular arc ontology 12, first straight line ontology
13, third circular arc ontology 14, second straight line ontology 15, the 4th circular arc ontology 16, the 5th circular arc ontology 17, the 6th circular arc ontology
18, third straight line ontology 19, the first circular arc ontology 11, the second circular arc ontology 12, first straight line ontology 13, third circular arc ontology
14, second straight line ontology 15, the 4th circular arc ontology 16, the 5th circular arc ontology 17, the 6th circular arc ontology 18, third straight line ontology 19
It is sequentially connected end to end in turn, the angle between the axis of three straight line ontologies is 120 °.First circular arc ontology 11, the second circular arc ontology
12, the 5th circular arc ontology 17, the 6th circular arc ontology 18 surround in the circumferential direction of 2 inner sidewall of oil-gas pipeline, the first circular arc ontology
11, the second circular arc ontology 12, the 5th circular arc ontology 17, the cooperation between 2 inner sidewall of the 6th circular arc ontology 18 and oil-gas pipeline are equal
For interference fit, detection device ontology 1 entire in this way can tightly be fitted on the inner sidewall of oil-gas pipeline 2, prevent from detecting
Device noumenon 1 is fallen due to self weight or the impact of oil gas.
In the present embodiment, the angle in three straight line ontologies 13,15,19 between the axis of any two is 120 °,
Just centre realizes evenly distributed such three straight line ontologies in the duct, increases the area of detection of detection device ontology 1, in this way
Detection device ontology 1 both can detecte the grains of sand beam close to 2 inner sidewall of oil-gas pipeline, may also detect that close to oil-gas pipeline
The grains of sand beam in 2 centers, thus can be improved the detection accuracy for 2 inside sand content of oil-gas pipeline, obtains more accurate
Testing result, convenient for the maintenance and replacement of oil-gas pipeline 2.
In the present embodiment, when being laid with oil-gas pipeline 2, it will test device noumenon 1,4 negative line 5 of electrode line is put into togerther
Inside oil-gas pipeline 2, and the through-hole 3 opened up on oil-gas pipeline 2 in designated position through 2 side table wall of oil-gas pipeline is set,
Electrode line 4 and negative line 5 are pulled out from through-hole 3, then by electrode line 4 and negative line 5 and ammeter there are also power supply series connection, this
Sample just completes the installation of entire detection device.
Although showing in conjunction with the present embodiment and preferred embodiment and describing the present invention, those skilled in the art should
Understand, is not departing from the spirit and scope of the present invention defined by the appended claims, in the form and details
It is protection scope of the present invention to be made a variety of changes to the present invention.
Claims (10)
1. a kind of for detecting the detection device of sand content in oil-gas pipeline, including electric wire and detection device ontology, the inspection
The inside that the oil-gas pipeline is arranged in device noumenon is surveyed, is offered on the side table wall of the oil-gas pipeline through the side table
The through-hole of wall is provided with anode and cathode on the detection device ontology, and the electric wire includes electrode line and negative line, described
Electrode line and the anode electrical connection, the negative line and cathode electrical connection, it is characterised in that:
The detection device ontology includes at least one circular arc ontology, and the circular arc ontology is tightly attached to the inside of the oil-gas pipeline
On wall, the detection device ontology further includes at least one along the straight line sheet that the oil-gas pipeline cross section is tangential or is arranged radially
Body.
2. detection device according to claim 1, it is characterised in that:
The quantity of the straight line ontology is two or more.
3. detection device according to claim 2, it is characterised in that:
Multiple straight line ontology being arranged circumferentially along the detection device ontology.
4. detection device according to any one of claims 1 to 3, it is characterised in that:
The detection device ontology include the first circular arc ontology, the second circular arc ontology, first straight line ontology, third circular arc ontology,
Second straight line ontology, the 4th circular arc ontology, the 5th circular arc ontology, the 6th circular arc ontology, third straight line ontology, first circular arc
Ontology, the circular arc ontology, the first straight line ontology, the third circular arc ontology, the second straight line ontology, the described 4th
Circular arc ontology, the 5th circular arc ontology, the 6th circular arc ontology, the third straight line ontology are sequentially connected end to end in turn.
5. detection device according to claim 4, it is characterised in that:
The first straight line ontology, the second straight line ontology, straight line ontology described in any two in the third straight line ontology
Axis between angle be 120o.
6. detection device according to any one of claims 1 to 3, it is characterised in that:
The detection device ontology is made of intellectual material.
7. detection device according to claim 6, it is characterised in that:
The intellectual material can be light alloy, high molecular material or semiconductor material.
8. detection device according to any one of claims 1 to 3, it is characterised in that:
The detection device further includes power supply, and the anode of the electrode line from the detection device ontology extends outwardly, and passes through institute
State through-hole and the power electric connection.
9. detection device according to claim 8, it is characterised in that:
The cathode of the negative line from the detection device ontology extends outwardly, and passes through the through-hole and the power electric connection.
10. detection device according to claim 9, it is characterised in that:
The detection device includes ammeter, and the ammeter is connected in series in the detection device ontology and the power supply forms
Circuit in.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910330921.7A CN110006955B (en) | 2019-04-23 | 2019-04-23 | Detection device for detecting sand content in oil and gas pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330921.7A CN110006955B (en) | 2019-04-23 | 2019-04-23 | Detection device for detecting sand content in oil and gas pipeline |
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| CN110006955B CN110006955B (en) | 2021-10-01 |
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